Patent
US 9,570,559Patent
Atlas literature
Patent
US 9,570,559Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates generally illustrative examples of various current-to- voltage relationships, such as including an example of a graphene-based switch 25 …
FIG. 2 illustrates generally a diagram showing sequential spatial suppression of electron modes using optical-like propagation of electrons in a graphene 30 …
FIG. 3.
FIG. 4B) of a graphene switching device, such as including a structure as shown in the illustrative example of
FIG. 5.
FIG. 6A illustrates generally an illustrative example of analytically-modeled angle-dependent transmission values for each of the angled-gate junctions of the …
FIG. 7A illustrates generally an illustrative example of an analytically- modeled drain current as a function of a gate voltage, shown with logarithmic scaling …
FIG. 8 illustrates generally an illustrative example of an analytically- modeled mode-averaged electron transmission as a function of Fermi energy for different …
FIG. 9 illustrates generally a comparison between analytically-modeled mode-averaged electron transmission as a function of "tilt" angle for a single tilted …
FIG. 10 illustrates generally a technique, such as a method, that can include providing a graphene switching device configuration such as shown illustrative in …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An electronic device, comprising: a dielectric layer; a graphene layer including a first surface located upon the dielectric layer; and a first electrode, a second electrode, and a third electrode each separated from the g raphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer; wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled so as to be neither entirely parallel nor entirely perpendicular with respect to a longitudinal axis of the electronic device[[.]]; wherein the graphene layer includes a second surface opposite the first surface; and wherein the electronic device includes: a fourth electrode located upon the second surface of the graphene layer at a location alon g the longitudinal axis of the electronic device: and a fifth electrode located upon the second surface of the graphene layer at a location alon g the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein the graphene layer includes a second surface opposite the first surface; and wherein the electronic device includes: AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 3 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE a fourth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode.
(Current Amended) The electronic device of claim 1, wherein the first gap is oriented in a direction perpendicular to the longitudinal axis; and wherein the sidewalls of the second and third electrodes defining the second gap are angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device.
(Withdrawn-Currently Amended) The electronic device of claim 1, wherein the sidewalls of the first and second electrodes defining the first gap and the sidewalls of the second and third electrodes defining the second gap are both angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein at least one of the first gap or the second gap is about 20 nanometers wide. AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 5 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE
The electronic device of claim 1, wherein the graphene layer comprises a graphene ribbon having a width of about 200 nanometers along an axis perpendicular to the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled to provide a gap orientation of about 45 degrees with respect to an axis perpendicular to the longitudinal axis.
The electronic device of claim 1, wherein the dielectric layer defines a substrate of the electronic device.
The electronic device of claim 1, wherein the dielectric layer comprises boron nitride.
The electronic device of claim [[2]] 1, wherein at least one of the first th r ough fifth electrodes comprises a metal.
The electronic device of claim [[2]] 1, wherein the graphene layer, the dielectric layer, and the first th r ough fifth electrodes are configured as a switching device.
The electronic device of claim 4, wherein the fourth electrode is configured as a source electrode; wherein the fifth electrode is configured as a drain electrode; wherein the first, second, and third electrodes are configured as gate electrodes.
The electronic device of claim 4, wherein conduction state of the switching device between the fourth and fifth electrodes is established using respective voltages applied at the first, second, and third electrodes.
(Withdrawn-Currently Amended) An electronic device, comprising: a dielectric layer; a graphene layer including a first surface located upon the dielectric layer and a second surface opposite the first surface; a first electrode, a second electrode, and a third electrode each separated from the g raphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer; a fourth electrode located upon the second surface of the graphene layer at a location along [[the]]a longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode; AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 6 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; wherein the sidewalls of the first and second electrodes defining the first gap and the sidewalls of the second and third electrodes defining the second gaps are both angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device; and wherein the graphene layer, the dielectric layer, and the first th r ough fifth electrodes are configured as a switching device.
A method, comprising: providing a graphene layer including a first surface located upon a dielectric layer and a second surface opposite the first surface; providing a first electrode, a second electrode, and a third electrode each separated from the graphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer;; providing a fourth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and providing a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode; wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; and wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled so as AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 7 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE to be neither entirely parallel nor entirely perpendicular with respect to a longitudinal axis of the electronic device.
The method of claim 19, comprising: suppressing electrodes including enhancing a transmission gap and third electrodes. conduction between the fourth and fifth in the switching device using the first, second,
Layer stacks claimed or described, ordered top of device to substrate.
graphene switching device with angular split gate
Materials described outside the worked examples.
graphene
C
dielectric layer
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 7A illustrates generally an illustrative example of an analytically- modeled drain current as a function of a gate voltage, shown with logarithmic scaling …
Patent
Atlas literature
Patent
US 9,570,559Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates generally illustrative examples of various current-to- voltage relationships, such as including an example of a graphene-based switch 25 …
FIG. 2 illustrates generally a diagram showing sequential spatial suppression of electron modes using optical-like propagation of electrons in a graphene 30 …
FIG. 3.
FIG. 4B) of a graphene switching device, such as including a structure as shown in the illustrative example of
FIG. 5.
FIG. 6A illustrates generally an illustrative example of analytically-modeled angle-dependent transmission values for each of the angled-gate junctions of the …
FIG. 7A illustrates generally an illustrative example of an analytically- modeled drain current as a function of a gate voltage, shown with logarithmic scaling …
FIG. 8 illustrates generally an illustrative example of an analytically- modeled mode-averaged electron transmission as a function of Fermi energy for different …
FIG. 9 illustrates generally a comparison between analytically-modeled mode-averaged electron transmission as a function of "tilt" angle for a single tilted …
FIG. 10 illustrates generally a technique, such as a method, that can include providing a graphene switching device configuration such as shown illustrative in …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An electronic device, comprising: a dielectric layer; a graphene layer including a first surface located upon the dielectric layer; and a first electrode, a second electrode, and a third electrode each separated from the g raphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer; wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled so as to be neither entirely parallel nor entirely perpendicular with respect to a longitudinal axis of the electronic device[[.]]; wherein the graphene layer includes a second surface opposite the first surface; and wherein the electronic device includes: a fourth electrode located upon the second surface of the graphene layer at a location alon g the longitudinal axis of the electronic device: and a fifth electrode located upon the second surface of the graphene layer at a location alon g the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein the graphene layer includes a second surface opposite the first surface; and wherein the electronic device includes: AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 3 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE a fourth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode.
(Current Amended) The electronic device of claim 1, wherein the first gap is oriented in a direction perpendicular to the longitudinal axis; and wherein the sidewalls of the second and third electrodes defining the second gap are angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device.
(Withdrawn-Currently Amended) The electronic device of claim 1, wherein the sidewalls of the first and second electrodes defining the first gap and the sidewalls of the second and third electrodes defining the second gap are both angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein at least one of the first gap or the second gap is about 20 nanometers wide. AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 5 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE
The electronic device of claim 1, wherein the graphene layer comprises a graphene ribbon having a width of about 200 nanometers along an axis perpendicular to the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled to provide a gap orientation of about 45 degrees with respect to an axis perpendicular to the longitudinal axis.
The electronic device of claim 1, wherein the dielectric layer defines a substrate of the electronic device.
The electronic device of claim 1, wherein the dielectric layer comprises boron nitride.
The electronic device of claim [[2]] 1, wherein at least one of the first th r ough fifth electrodes comprises a metal.
The electronic device of claim [[2]] 1, wherein the graphene layer, the dielectric layer, and the first th r ough fifth electrodes are configured as a switching device.
The electronic device of claim 4, wherein the fourth electrode is configured as a source electrode; wherein the fifth electrode is configured as a drain electrode; wherein the first, second, and third electrodes are configured as gate electrodes.
The electronic device of claim 4, wherein conduction state of the switching device between the fourth and fifth electrodes is established using respective voltages applied at the first, second, and third electrodes.
(Withdrawn-Currently Amended) An electronic device, comprising: a dielectric layer; a graphene layer including a first surface located upon the dielectric layer and a second surface opposite the first surface; a first electrode, a second electrode, and a third electrode each separated from the g raphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer; a fourth electrode located upon the second surface of the graphene layer at a location along [[the]]a longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode; AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 6 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; wherein the sidewalls of the first and second electrodes defining the first gap and the sidewalls of the second and third electrodes defining the second gaps are both angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device; and wherein the graphene layer, the dielectric layer, and the first th r ough fifth electrodes are configured as a switching device.
A method, comprising: providing a graphene layer including a first surface located upon a dielectric layer and a second surface opposite the first surface; providing a first electrode, a second electrode, and a third electrode each separated from the graphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer;; providing a fourth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and providing a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode; wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; and wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled so as AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 7 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE to be neither entirely parallel nor entirely perpendicular with respect to a longitudinal axis of the electronic device.
The method of claim 19, comprising: suppressing electrodes including enhancing a transmission gap and third electrodes. conduction between the fourth and fifth in the switching device using the first, second,
Layer stacks claimed or described, ordered top of device to substrate.
graphene switching device with angular split gate
Materials described outside the worked examples.
graphene
C
dielectric layer
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 7A illustrates generally an illustrative example of an analytically- modeled drain current as a function of a gate voltage, shown with logarithmic scaling …
Patent
Atlas literature
Patent
US 9,570,559Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates generally illustrative examples of various current-to- voltage relationships, such as including an example of a graphene-based switch 25 …
FIG. 2 illustrates generally a diagram showing sequential spatial suppression of electron modes using optical-like propagation of electrons in a graphene 30 …
FIG. 3.
FIG. 4B) of a graphene switching device, such as including a structure as shown in the illustrative example of
FIG. 5.
FIG. 6A illustrates generally an illustrative example of analytically-modeled angle-dependent transmission values for each of the angled-gate junctions of the …
FIG. 7A illustrates generally an illustrative example of an analytically- modeled drain current as a function of a gate voltage, shown with logarithmic scaling …
FIG. 8 illustrates generally an illustrative example of an analytically- modeled mode-averaged electron transmission as a function of Fermi energy for different …
FIG. 9 illustrates generally a comparison between analytically-modeled mode-averaged electron transmission as a function of "tilt" angle for a single tilted …
FIG. 10 illustrates generally a technique, such as a method, that can include providing a graphene switching device configuration such as shown illustrative in …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An electronic device, comprising: a dielectric layer; a graphene layer including a first surface located upon the dielectric layer; and a first electrode, a second electrode, and a third electrode each separated from the g raphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer; wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled so as to be neither entirely parallel nor entirely perpendicular with respect to a longitudinal axis of the electronic device[[.]]; wherein the graphene layer includes a second surface opposite the first surface; and wherein the electronic device includes: a fourth electrode located upon the second surface of the graphene layer at a location alon g the longitudinal axis of the electronic device: and a fifth electrode located upon the second surface of the graphene layer at a location alon g the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein the graphene layer includes a second surface opposite the first surface; and wherein the electronic device includes: AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 3 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE a fourth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode.
(Current Amended) The electronic device of claim 1, wherein the first gap is oriented in a direction perpendicular to the longitudinal axis; and wherein the sidewalls of the second and third electrodes defining the second gap are angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device.
(Withdrawn-Currently Amended) The electronic device of claim 1, wherein the sidewalls of the first and second electrodes defining the first gap and the sidewalls of the second and third electrodes defining the second gap are both angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein at least one of the first gap or the second gap is about 20 nanometers wide. AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 5 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE
The electronic device of claim 1, wherein the graphene layer comprises a graphene ribbon having a width of about 200 nanometers along an axis perpendicular to the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled to provide a gap orientation of about 45 degrees with respect to an axis perpendicular to the longitudinal axis.
The electronic device of claim 1, wherein the dielectric layer defines a substrate of the electronic device.
The electronic device of claim 1, wherein the dielectric layer comprises boron nitride.
The electronic device of claim [[2]] 1, wherein at least one of the first th r ough fifth electrodes comprises a metal.
The electronic device of claim [[2]] 1, wherein the graphene layer, the dielectric layer, and the first th r ough fifth electrodes are configured as a switching device.
The electronic device of claim 4, wherein the fourth electrode is configured as a source electrode; wherein the fifth electrode is configured as a drain electrode; wherein the first, second, and third electrodes are configured as gate electrodes.
The electronic device of claim 4, wherein conduction state of the switching device between the fourth and fifth electrodes is established using respective voltages applied at the first, second, and third electrodes.
(Withdrawn-Currently Amended) An electronic device, comprising: a dielectric layer; a graphene layer including a first surface located upon the dielectric layer and a second surface opposite the first surface; a first electrode, a second electrode, and a third electrode each separated from the g raphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer; a fourth electrode located upon the second surface of the graphene layer at a location along [[the]]a longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode; AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 6 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; wherein the sidewalls of the first and second electrodes defining the first gap and the sidewalls of the second and third electrodes defining the second gaps are both angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device; and wherein the graphene layer, the dielectric layer, and the first th r ough fifth electrodes are configured as a switching device.
A method, comprising: providing a graphene layer including a first surface located upon a dielectric layer and a second surface opposite the first surface; providing a first electrode, a second electrode, and a third electrode each separated from the graphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer;; providing a fourth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and providing a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode; wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; and wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled so as AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 7 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE to be neither entirely parallel nor entirely perpendicular with respect to a longitudinal axis of the electronic device.
The method of claim 19, comprising: suppressing electrodes including enhancing a transmission gap and third electrodes. conduction between the fourth and fifth in the switching device using the first, second,
Layer stacks claimed or described, ordered top of device to substrate.
graphene switching device with angular split gate
Materials described outside the worked examples.
graphene
C
dielectric layer
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 7A illustrates generally an illustrative example of an analytically- modeled drain current as a function of a gate voltage, shown with logarithmic scaling …
Patent
Atlas literature
Patent
US 9,570,559Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates generally illustrative examples of various current-to- voltage relationships, such as including an example of a graphene-based switch 25 …
FIG. 2 illustrates generally a diagram showing sequential spatial suppression of electron modes using optical-like propagation of electrons in a graphene 30 …
FIG. 3.
FIG. 4B) of a graphene switching device, such as including a structure as shown in the illustrative example of
FIG. 5.
FIG. 6A illustrates generally an illustrative example of analytically-modeled angle-dependent transmission values for each of the angled-gate junctions of the …
FIG. 7A illustrates generally an illustrative example of an analytically- modeled drain current as a function of a gate voltage, shown with logarithmic scaling …
FIG. 8 illustrates generally an illustrative example of an analytically- modeled mode-averaged electron transmission as a function of Fermi energy for different …
FIG. 9 illustrates generally a comparison between analytically-modeled mode-averaged electron transmission as a function of "tilt" angle for a single tilted …
FIG. 10 illustrates generally a technique, such as a method, that can include providing a graphene switching device configuration such as shown illustrative in …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An electronic device, comprising: a dielectric layer; a graphene layer including a first surface located upon the dielectric layer; and a first electrode, a second electrode, and a third electrode each separated from the g raphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer; wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled so as to be neither entirely parallel nor entirely perpendicular with respect to a longitudinal axis of the electronic device[[.]]; wherein the graphene layer includes a second surface opposite the first surface; and wherein the electronic device includes: a fourth electrode located upon the second surface of the graphene layer at a location alon g the longitudinal axis of the electronic device: and a fifth electrode located upon the second surface of the graphene layer at a location alon g the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein the graphene layer includes a second surface opposite the first surface; and wherein the electronic device includes: AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 3 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE a fourth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode.
(Current Amended) The electronic device of claim 1, wherein the first gap is oriented in a direction perpendicular to the longitudinal axis; and wherein the sidewalls of the second and third electrodes defining the second gap are angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device.
(Withdrawn-Currently Amended) The electronic device of claim 1, wherein the sidewalls of the first and second electrodes defining the first gap and the sidewalls of the second and third electrodes defining the second gap are both angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein at least one of the first gap or the second gap is about 20 nanometers wide. AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 5 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE
The electronic device of claim 1, wherein the graphene layer comprises a graphene ribbon having a width of about 200 nanometers along an axis perpendicular to the longitudinal axis of the electronic device.
The electronic device of claim 1, wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled to provide a gap orientation of about 45 degrees with respect to an axis perpendicular to the longitudinal axis.
The electronic device of claim 1, wherein the dielectric layer defines a substrate of the electronic device.
The electronic device of claim 1, wherein the dielectric layer comprises boron nitride.
The electronic device of claim [[2]] 1, wherein at least one of the first th r ough fifth electrodes comprises a metal.
The electronic device of claim [[2]] 1, wherein the graphene layer, the dielectric layer, and the first th r ough fifth electrodes are configured as a switching device.
The electronic device of claim 4, wherein the fourth electrode is configured as a source electrode; wherein the fifth electrode is configured as a drain electrode; wherein the first, second, and third electrodes are configured as gate electrodes.
The electronic device of claim 4, wherein conduction state of the switching device between the fourth and fifth electrodes is established using respective voltages applied at the first, second, and third electrodes.
(Withdrawn-Currently Amended) An electronic device, comprising: a dielectric layer; a graphene layer including a first surface located upon the dielectric layer and a second surface opposite the first surface; a first electrode, a second electrode, and a third electrode each separated from the g raphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer; a fourth electrode located upon the second surface of the graphene layer at a location along [[the]]a longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode; AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 6 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; wherein the sidewalls of the first and second electrodes defining the first gap and the sidewalls of the second and third electrodes defining the second gaps are both angled so as to be neither entirely parallel nor entirely perpendicular with respect to the longitudinal axis of the electronic device; and wherein the graphene layer, the dielectric layer, and the first th r ough fifth electrodes are configured as a switching device.
A method, comprising: providing a graphene layer including a first surface located upon a dielectric layer and a second surface opposite the first surface; providing a first electrode, a second electrode, and a third electrode each separated from the graphene layer by the dielectric layer located upon the dielectric layer on a surface opposite the graphene layer;; providing a fourth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the first electrode is laterally overlapping with the fourth electrode; and providing a fifth electrode located upon the second surface of the graphene layer at a location along the longitudinal axis of the electronic device wherein at least a portion of the third electrode is laterally overlapping with the fifth electrode; wherein the first and second electrodes are spaced apart along the dielectric surface of the graphene layer to define a first gap between the first and second electrodes; wherein the second and third electrodes are spaced apart along the dielectric surface of the graphene layer to define a second gap between the second and third electrodes; and wherein at least one of the sidewalls of the first and second electrodes defining the first gap or the sidewalls of the second and third electrodes defining the second gap are angled so as AMENDMENT AND RESPONSE UNDER 37 C.F.R. § 1.116-EXPEDITED PROCEDURE Page 7 Serial Number 14/212,279 Dkt 1036.237US 1 Filing Date Title GRAPHENE DEVICE INCLUDING ANGULAR SPLIT GATE to be neither entirely parallel nor entirely perpendicular with respect to a longitudinal axis of the electronic device.
The method of claim 19, comprising: suppressing electrodes including enhancing a transmission gap and third electrodes. conduction between the fourth and fifth in the switching device using the first, second,
Layer stacks claimed or described, ordered top of device to substrate.
graphene switching device with angular split gate
Materials described outside the worked examples.
graphene
C
dielectric layer
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 7A illustrates generally an illustrative example of an analytically- modeled drain current as a function of a gate voltage, shown with logarithmic scaling …
metal
boron nitride
BN
metal
boron nitride
BN
metal
boron nitride
BN
metal
boron nitride
BN
