Patent
US 11,330,984Wearable Graphene Sensors
Linh Tung Le
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,330,984Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. In the system 200, the flexible sensor 110 is coupled to a microboard 220 (e.g., a small circuit board), which is coupled to a small standalone battery …
FIG. 2 is a photograph of an exemplary system 200 including a smaller circuit board that may be used to reduce the size of the exemplary system 200 as compared …
FIG. 3A is a schematic illustration of a further exemplary system 300. The exemplary system 300 includes a graphene oxide sensing element 310, a battery 320, a …
FIG. 4 is a graph 400 illustrating the correlation between resistance and temperature for an exemplary NT C sensing element including a printed graphene sensor …
FIG. 5.
FIG. 6 is a graph showing resistance plotted against time when an exemplary graphene oxide sensing element exhibiting NT C behavior is pinched between a …
FIG. 7 is a graph comparing a normalized pulse signal measured by an exemplary graphene oxide sensing element exhibiting NT C behavior to that measured by a …
FIG. 8 is a graph showing pulse signals measured by an exemplary graphene oxide sensing element exhibiting NT C behavior at three locations on a patient's body;
FIGS. 9A and 9B are photographs of an exemplary sensor 900 that is adapted for use as an electrode for electrocardiogram ("EKG") measurements.
FIG. 10 is a graph comparing a electrocardiogram ("EKG") signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 11 is a graph showing a full cardiograph cycle of an EKG signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 12A. Each of the graphene oxide elements 1210, 1212 is deposited on a corresponding substrate 1220, 1222. In an embodiment, the substrates 1220, 1222 are …
FIG. 13 is a graph showing current plotted against applied pressure for a constant voltage applied to the sensing system of
FIG. 14. Detailed Description of the Invention The exemplary embodiments described herein relate to sensors based on graphene oxide thin films, which sensors …
FIG. 15 is a photograph of three exemplary sensors 1510, 1520, 1530 that have been fabricated as described above with reference to
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A sensing system, comprising: a sensor, including a single fiber flexible substrate having a longitudinal axis, a first end arranged along said longitudinal axis and a second end arranged along said longitudinal axis, said second end being spaced from said first end, a graphene oxide sensing element deposited directly on and in contact with at least a partial length of said single fiber flexible substrate between said first end thereof and said second end thereof, a first electrical connector formed from an electrically conductive material other than graphene oxide deposited on said first end of said single fiber flexible substrate, said first electrical connector being a coating for a first end of said graphene oxide sensing element, and a second electrical connector formed from the electrically conductive material other than graphene oxide deposited on said second end of said single fiber flexible substrate, said second electrical connector being a coating for a second end of said graphene oxide sensing element; a power source coupled to said first and second electrical connectors of said sensor, said power source adapted to apply a constant voltage to said sensor; a measurement element, communicatively coupled to said sensor and configured and arranged to measure an electrical current in said graphene oxide sensing element due to said constant voltage; and a calculation element, communicatively coupled to said measurement element and including a non-transitory computer-readable storage medium storing a set of instructions and a processor operative to execute said set of instructions, said set of instructions, when executed by said processor, causing said processor to calculate an electrical resistance of said graphene oxide sensing element based on said electrical current and said constant voltage and to calculate a condition for said graphene oxide sensing element at a location of said sensor based on a relationship between said electrical resistance and said condition. Currently amended
The sensing system of Claim 1, wherein said condition is temperature. Previously presented
The sensing system of Claim 1, wherein said condition is pressure. Previously presented
Canceled
A method of determining a condition at a location, the method comprising the steps of: providing, at a target location, a sensing element including a graphene oxide sensing element deposited on a substrate; determining at least one resistance of said sensing element; and determining a value of the condition at the target location based on each of said at least one resistance of said sensing element. Withdrawn
The method of Claim 10, wherein said condition is a temperature. Withdrawn
Canceled
Canceled
Canceled
A sensor, comprising: a single fiber flexible substrate having a longitudinal axis, a first end arranged along said longitudinal axis and a second end arranged along said longitudinal axis, said second end being spaced from said first end; a graphene oxide sensing element deposited directly on and in contact with at least a partial length of said single fiber flexible substrate between said first end thereof and said second end thereof, a first electrical connector formed from an electrically conductive material other than graphene oxide deposited on said single fiber flexible substrate proximate said first end thereof, said first electrical connector being a coating for a first end of said graphene oxide sensing element; and a second electrical connector formed from the electrically conductive material other than graphene oxide deposited on said single fiber flexible substrate proximate said second end thereof, said second electrical connector being a coating for a second end of said graphene oxide sensing element, wherein said g raphene oxide sensing element has an intermediate segment between said first end thereof and said second end thereof. Currently amended
The sensor of Claim 17, wherein said single fiber flexible substrate is made from one of a polyester and a polyimide. Previously presented
The sensor of Claim 17, wherein said single fiber flexible substrate is a cotton fiber, polyester fiber, silk fiber, wool fiber, acrylic fiber, or acetate fiber. Previously presented
The sensor of Claim 17, wherein said graphene oxide sensing element is deposited on said single fiber flexible substrate by inkjet printing a graphene oxide solution on said single fiber flexible substrate. Previously presented
The sensor of Claim 17, wherein the electrically conductive material other than graphene oxide is a conductive epoxy applied to the graphene oxide sensing element. Previously presented
The sensor of Claim 17, further comprising a casing layer provided on said intermediate segment of said graphene oxide sensing element. Previously presented
The sensor of claim 17, wherein said single fiber flexible substrate further comprises a first cross section at said first end of said graphene oxide sensing element and a second cross section at said second end said graphene oxide sensing element, and wherein said first electrical connector fully encloses said first end of the graphene oxide sensing element such that said first electrical connector circumscribes the first cross section, and wherein said second electrical connector fully encloses said second end of the graphene oxide sensing element such that said second electrical connector circumscribes the second cross section. New
Layer stacks claimed or described, ordered top of device to substrate.
graphene oxide sensing system
single fiber graphene oxide sensor
Materials described outside the worked examples.
graphene oxide
single fiber flexible substrate
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1. In the system 200, the flexible sensor 110 is coupled to a microboard 220 (e.g., a small circuit board), which is coupled to a small standalone battery …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 0.0003–0.05 kPa | — |
Temperature |
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US 11,330,984Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. In the system 200, the flexible sensor 110 is coupled to a microboard 220 (e.g., a small circuit board), which is coupled to a small standalone battery …
FIG. 2 is a photograph of an exemplary system 200 including a smaller circuit board that may be used to reduce the size of the exemplary system 200 as compared …
FIG. 3A is a schematic illustration of a further exemplary system 300. The exemplary system 300 includes a graphene oxide sensing element 310, a battery 320, a …
FIG. 4 is a graph 400 illustrating the correlation between resistance and temperature for an exemplary NT C sensing element including a printed graphene sensor …
FIG. 5.
FIG. 6 is a graph showing resistance plotted against time when an exemplary graphene oxide sensing element exhibiting NT C behavior is pinched between a …
FIG. 7 is a graph comparing a normalized pulse signal measured by an exemplary graphene oxide sensing element exhibiting NT C behavior to that measured by a …
FIG. 8 is a graph showing pulse signals measured by an exemplary graphene oxide sensing element exhibiting NT C behavior at three locations on a patient's body;
FIGS. 9A and 9B are photographs of an exemplary sensor 900 that is adapted for use as an electrode for electrocardiogram ("EKG") measurements.
FIG. 10 is a graph comparing a electrocardiogram ("EKG") signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 11 is a graph showing a full cardiograph cycle of an EKG signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 12A. Each of the graphene oxide elements 1210, 1212 is deposited on a corresponding substrate 1220, 1222. In an embodiment, the substrates 1220, 1222 are …
FIG. 13 is a graph showing current plotted against applied pressure for a constant voltage applied to the sensing system of
FIG. 14. Detailed Description of the Invention The exemplary embodiments described herein relate to sensors based on graphene oxide thin films, which sensors …
FIG. 15 is a photograph of three exemplary sensors 1510, 1520, 1530 that have been fabricated as described above with reference to
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A sensing system, comprising: a sensor, including a single fiber flexible substrate having a longitudinal axis, a first end arranged along said longitudinal axis and a second end arranged along said longitudinal axis, said second end being spaced from said first end, a graphene oxide sensing element deposited directly on and in contact with at least a partial length of said single fiber flexible substrate between said first end thereof and said second end thereof, a first electrical connector formed from an electrically conductive material other than graphene oxide deposited on said first end of said single fiber flexible substrate, said first electrical connector being a coating for a first end of said graphene oxide sensing element, and a second electrical connector formed from the electrically conductive material other than graphene oxide deposited on said second end of said single fiber flexible substrate, said second electrical connector being a coating for a second end of said graphene oxide sensing element; a power source coupled to said first and second electrical connectors of said sensor, said power source adapted to apply a constant voltage to said sensor; a measurement element, communicatively coupled to said sensor and configured and arranged to measure an electrical current in said graphene oxide sensing element due to said constant voltage; and a calculation element, communicatively coupled to said measurement element and including a non-transitory computer-readable storage medium storing a set of instructions and a processor operative to execute said set of instructions, said set of instructions, when executed by said processor, causing said processor to calculate an electrical resistance of said graphene oxide sensing element based on said electrical current and said constant voltage and to calculate a condition for said graphene oxide sensing element at a location of said sensor based on a relationship between said electrical resistance and said condition. Currently amended
The sensing system of Claim 1, wherein said condition is temperature. Previously presented
The sensing system of Claim 1, wherein said condition is pressure. Previously presented
Canceled
A method of determining a condition at a location, the method comprising the steps of: providing, at a target location, a sensing element including a graphene oxide sensing element deposited on a substrate; determining at least one resistance of said sensing element; and determining a value of the condition at the target location based on each of said at least one resistance of said sensing element. Withdrawn
The method of Claim 10, wherein said condition is a temperature. Withdrawn
Canceled
Canceled
Canceled
A sensor, comprising: a single fiber flexible substrate having a longitudinal axis, a first end arranged along said longitudinal axis and a second end arranged along said longitudinal axis, said second end being spaced from said first end; a graphene oxide sensing element deposited directly on and in contact with at least a partial length of said single fiber flexible substrate between said first end thereof and said second end thereof, a first electrical connector formed from an electrically conductive material other than graphene oxide deposited on said single fiber flexible substrate proximate said first end thereof, said first electrical connector being a coating for a first end of said graphene oxide sensing element; and a second electrical connector formed from the electrically conductive material other than graphene oxide deposited on said single fiber flexible substrate proximate said second end thereof, said second electrical connector being a coating for a second end of said graphene oxide sensing element, wherein said g raphene oxide sensing element has an intermediate segment between said first end thereof and said second end thereof. Currently amended
The sensor of Claim 17, wherein said single fiber flexible substrate is made from one of a polyester and a polyimide. Previously presented
The sensor of Claim 17, wherein said single fiber flexible substrate is a cotton fiber, polyester fiber, silk fiber, wool fiber, acrylic fiber, or acetate fiber. Previously presented
The sensor of Claim 17, wherein said graphene oxide sensing element is deposited on said single fiber flexible substrate by inkjet printing a graphene oxide solution on said single fiber flexible substrate. Previously presented
The sensor of Claim 17, wherein the electrically conductive material other than graphene oxide is a conductive epoxy applied to the graphene oxide sensing element. Previously presented
The sensor of Claim 17, further comprising a casing layer provided on said intermediate segment of said graphene oxide sensing element. Previously presented
The sensor of claim 17, wherein said single fiber flexible substrate further comprises a first cross section at said first end of said graphene oxide sensing element and a second cross section at said second end said graphene oxide sensing element, and wherein said first electrical connector fully encloses said first end of the graphene oxide sensing element such that said first electrical connector circumscribes the first cross section, and wherein said second electrical connector fully encloses said second end of the graphene oxide sensing element such that said second electrical connector circumscribes the second cross section. New
Layer stacks claimed or described, ordered top of device to substrate.
graphene oxide sensing system
single fiber graphene oxide sensor
Materials described outside the worked examples.
graphene oxide
single fiber flexible substrate
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1. In the system 200, the flexible sensor 110 is coupled to a microboard 220 (e.g., a small circuit board), which is coupled to a small standalone battery …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 0.0003–0.05 kPa | — |
Temperature |
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US 11,330,984Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. In the system 200, the flexible sensor 110 is coupled to a microboard 220 (e.g., a small circuit board), which is coupled to a small standalone battery …
FIG. 2 is a photograph of an exemplary system 200 including a smaller circuit board that may be used to reduce the size of the exemplary system 200 as compared …
FIG. 3A is a schematic illustration of a further exemplary system 300. The exemplary system 300 includes a graphene oxide sensing element 310, a battery 320, a …
FIG. 4 is a graph 400 illustrating the correlation between resistance and temperature for an exemplary NT C sensing element including a printed graphene sensor …
FIG. 5.
FIG. 6 is a graph showing resistance plotted against time when an exemplary graphene oxide sensing element exhibiting NT C behavior is pinched between a …
FIG. 7 is a graph comparing a normalized pulse signal measured by an exemplary graphene oxide sensing element exhibiting NT C behavior to that measured by a …
FIG. 8 is a graph showing pulse signals measured by an exemplary graphene oxide sensing element exhibiting NT C behavior at three locations on a patient's body;
FIGS. 9A and 9B are photographs of an exemplary sensor 900 that is adapted for use as an electrode for electrocardiogram ("EKG") measurements.
FIG. 10 is a graph comparing a electrocardiogram ("EKG") signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 11 is a graph showing a full cardiograph cycle of an EKG signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 12A. Each of the graphene oxide elements 1210, 1212 is deposited on a corresponding substrate 1220, 1222. In an embodiment, the substrates 1220, 1222 are …
FIG. 13 is a graph showing current plotted against applied pressure for a constant voltage applied to the sensing system of
FIG. 14. Detailed Description of the Invention The exemplary embodiments described herein relate to sensors based on graphene oxide thin films, which sensors …
FIG. 15 is a photograph of three exemplary sensors 1510, 1520, 1530 that have been fabricated as described above with reference to
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A sensing system, comprising: a sensor, including a single fiber flexible substrate having a longitudinal axis, a first end arranged along said longitudinal axis and a second end arranged along said longitudinal axis, said second end being spaced from said first end, a graphene oxide sensing element deposited directly on and in contact with at least a partial length of said single fiber flexible substrate between said first end thereof and said second end thereof, a first electrical connector formed from an electrically conductive material other than graphene oxide deposited on said first end of said single fiber flexible substrate, said first electrical connector being a coating for a first end of said graphene oxide sensing element, and a second electrical connector formed from the electrically conductive material other than graphene oxide deposited on said second end of said single fiber flexible substrate, said second electrical connector being a coating for a second end of said graphene oxide sensing element; a power source coupled to said first and second electrical connectors of said sensor, said power source adapted to apply a constant voltage to said sensor; a measurement element, communicatively coupled to said sensor and configured and arranged to measure an electrical current in said graphene oxide sensing element due to said constant voltage; and a calculation element, communicatively coupled to said measurement element and including a non-transitory computer-readable storage medium storing a set of instructions and a processor operative to execute said set of instructions, said set of instructions, when executed by said processor, causing said processor to calculate an electrical resistance of said graphene oxide sensing element based on said electrical current and said constant voltage and to calculate a condition for said graphene oxide sensing element at a location of said sensor based on a relationship between said electrical resistance and said condition. Currently amended
The sensing system of Claim 1, wherein said condition is temperature. Previously presented
The sensing system of Claim 1, wherein said condition is pressure. Previously presented
Canceled
A method of determining a condition at a location, the method comprising the steps of: providing, at a target location, a sensing element including a graphene oxide sensing element deposited on a substrate; determining at least one resistance of said sensing element; and determining a value of the condition at the target location based on each of said at least one resistance of said sensing element. Withdrawn
The method of Claim 10, wherein said condition is a temperature. Withdrawn
Canceled
Canceled
Canceled
A sensor, comprising: a single fiber flexible substrate having a longitudinal axis, a first end arranged along said longitudinal axis and a second end arranged along said longitudinal axis, said second end being spaced from said first end; a graphene oxide sensing element deposited directly on and in contact with at least a partial length of said single fiber flexible substrate between said first end thereof and said second end thereof, a first electrical connector formed from an electrically conductive material other than graphene oxide deposited on said single fiber flexible substrate proximate said first end thereof, said first electrical connector being a coating for a first end of said graphene oxide sensing element; and a second electrical connector formed from the electrically conductive material other than graphene oxide deposited on said single fiber flexible substrate proximate said second end thereof, said second electrical connector being a coating for a second end of said graphene oxide sensing element, wherein said g raphene oxide sensing element has an intermediate segment between said first end thereof and said second end thereof. Currently amended
The sensor of Claim 17, wherein said single fiber flexible substrate is made from one of a polyester and a polyimide. Previously presented
The sensor of Claim 17, wherein said single fiber flexible substrate is a cotton fiber, polyester fiber, silk fiber, wool fiber, acrylic fiber, or acetate fiber. Previously presented
The sensor of Claim 17, wherein said graphene oxide sensing element is deposited on said single fiber flexible substrate by inkjet printing a graphene oxide solution on said single fiber flexible substrate. Previously presented
The sensor of Claim 17, wherein the electrically conductive material other than graphene oxide is a conductive epoxy applied to the graphene oxide sensing element. Previously presented
The sensor of Claim 17, further comprising a casing layer provided on said intermediate segment of said graphene oxide sensing element. Previously presented
The sensor of claim 17, wherein said single fiber flexible substrate further comprises a first cross section at said first end of said graphene oxide sensing element and a second cross section at said second end said graphene oxide sensing element, and wherein said first electrical connector fully encloses said first end of the graphene oxide sensing element such that said first electrical connector circumscribes the first cross section, and wherein said second electrical connector fully encloses said second end of the graphene oxide sensing element such that said second electrical connector circumscribes the second cross section. New
Layer stacks claimed or described, ordered top of device to substrate.
graphene oxide sensing system
single fiber graphene oxide sensor
Materials described outside the worked examples.
graphene oxide
single fiber flexible substrate
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1. In the system 200, the flexible sensor 110 is coupled to a microboard 220 (e.g., a small circuit board), which is coupled to a small standalone battery …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 0.0003–0.05 kPa | — |
Temperature |
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PREPARATION METHOD OF REDUCED AND N-DOPED GRAPHENE OXIDE AND THE REDUCED AND N-DOPED GRAPHENE OXIDE THEREBY
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US 11,330,984Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. In the system 200, the flexible sensor 110 is coupled to a microboard 220 (e.g., a small circuit board), which is coupled to a small standalone battery …
FIG. 2 is a photograph of an exemplary system 200 including a smaller circuit board that may be used to reduce the size of the exemplary system 200 as compared …
FIG. 3A is a schematic illustration of a further exemplary system 300. The exemplary system 300 includes a graphene oxide sensing element 310, a battery 320, a …
FIG. 4 is a graph 400 illustrating the correlation between resistance and temperature for an exemplary NT C sensing element including a printed graphene sensor …
FIG. 5.
FIG. 6 is a graph showing resistance plotted against time when an exemplary graphene oxide sensing element exhibiting NT C behavior is pinched between a …
FIG. 7 is a graph comparing a normalized pulse signal measured by an exemplary graphene oxide sensing element exhibiting NT C behavior to that measured by a …
FIG. 8 is a graph showing pulse signals measured by an exemplary graphene oxide sensing element exhibiting NT C behavior at three locations on a patient's body;
FIGS. 9A and 9B are photographs of an exemplary sensor 900 that is adapted for use as an electrode for electrocardiogram ("EKG") measurements.
FIG. 10 is a graph comparing a electrocardiogram ("EKG") signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 11 is a graph showing a full cardiograph cycle of an EKG signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 12A. Each of the graphene oxide elements 1210, 1212 is deposited on a corresponding substrate 1220, 1222. In an embodiment, the substrates 1220, 1222 are …
FIG. 13 is a graph showing current plotted against applied pressure for a constant voltage applied to the sensing system of
FIG. 14. Detailed Description of the Invention The exemplary embodiments described herein relate to sensors based on graphene oxide thin films, which sensors …
FIG. 15 is a photograph of three exemplary sensors 1510, 1520, 1530 that have been fabricated as described above with reference to
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A sensing system, comprising: a sensor, including a single fiber flexible substrate having a longitudinal axis, a first end arranged along said longitudinal axis and a second end arranged along said longitudinal axis, said second end being spaced from said first end, a graphene oxide sensing element deposited directly on and in contact with at least a partial length of said single fiber flexible substrate between said first end thereof and said second end thereof, a first electrical connector formed from an electrically conductive material other than graphene oxide deposited on said first end of said single fiber flexible substrate, said first electrical connector being a coating for a first end of said graphene oxide sensing element, and a second electrical connector formed from the electrically conductive material other than graphene oxide deposited on said second end of said single fiber flexible substrate, said second electrical connector being a coating for a second end of said graphene oxide sensing element; a power source coupled to said first and second electrical connectors of said sensor, said power source adapted to apply a constant voltage to said sensor; a measurement element, communicatively coupled to said sensor and configured and arranged to measure an electrical current in said graphene oxide sensing element due to said constant voltage; and a calculation element, communicatively coupled to said measurement element and including a non-transitory computer-readable storage medium storing a set of instructions and a processor operative to execute said set of instructions, said set of instructions, when executed by said processor, causing said processor to calculate an electrical resistance of said graphene oxide sensing element based on said electrical current and said constant voltage and to calculate a condition for said graphene oxide sensing element at a location of said sensor based on a relationship between said electrical resistance and said condition. Currently amended
The sensing system of Claim 1, wherein said condition is temperature. Previously presented
The sensing system of Claim 1, wherein said condition is pressure. Previously presented
Canceled
A method of determining a condition at a location, the method comprising the steps of: providing, at a target location, a sensing element including a graphene oxide sensing element deposited on a substrate; determining at least one resistance of said sensing element; and determining a value of the condition at the target location based on each of said at least one resistance of said sensing element. Withdrawn
The method of Claim 10, wherein said condition is a temperature. Withdrawn
Canceled
Canceled
Canceled
A sensor, comprising: a single fiber flexible substrate having a longitudinal axis, a first end arranged along said longitudinal axis and a second end arranged along said longitudinal axis, said second end being spaced from said first end; a graphene oxide sensing element deposited directly on and in contact with at least a partial length of said single fiber flexible substrate between said first end thereof and said second end thereof, a first electrical connector formed from an electrically conductive material other than graphene oxide deposited on said single fiber flexible substrate proximate said first end thereof, said first electrical connector being a coating for a first end of said graphene oxide sensing element; and a second electrical connector formed from the electrically conductive material other than graphene oxide deposited on said single fiber flexible substrate proximate said second end thereof, said second electrical connector being a coating for a second end of said graphene oxide sensing element, wherein said g raphene oxide sensing element has an intermediate segment between said first end thereof and said second end thereof. Currently amended
The sensor of Claim 17, wherein said single fiber flexible substrate is made from one of a polyester and a polyimide. Previously presented
The sensor of Claim 17, wherein said single fiber flexible substrate is a cotton fiber, polyester fiber, silk fiber, wool fiber, acrylic fiber, or acetate fiber. Previously presented
The sensor of Claim 17, wherein said graphene oxide sensing element is deposited on said single fiber flexible substrate by inkjet printing a graphene oxide solution on said single fiber flexible substrate. Previously presented
The sensor of Claim 17, wherein the electrically conductive material other than graphene oxide is a conductive epoxy applied to the graphene oxide sensing element. Previously presented
The sensor of Claim 17, further comprising a casing layer provided on said intermediate segment of said graphene oxide sensing element. Previously presented
The sensor of claim 17, wherein said single fiber flexible substrate further comprises a first cross section at said first end of said graphene oxide sensing element and a second cross section at said second end said graphene oxide sensing element, and wherein said first electrical connector fully encloses said first end of the graphene oxide sensing element such that said first electrical connector circumscribes the first cross section, and wherein said second electrical connector fully encloses said second end of the graphene oxide sensing element such that said second electrical connector circumscribes the second cross section. New
Layer stacks claimed or described, ordered top of device to substrate.
graphene oxide sensing system
single fiber graphene oxide sensor
Materials described outside the worked examples.
graphene oxide
single fiber flexible substrate
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1. In the system 200, the flexible sensor 110 is coupled to a microboard 220 (e.g., a small circuit board), which is coupled to a small standalone battery …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 0.0003–0.05 kPa | — |
Temperature |
Related documents with shared materials, methods, properties, or citations.
PREPARATION METHOD OF REDUCED AND N-DOPED GRAPHENE OXIDE AND THE REDUCED AND N-DOPED GRAPHENE OXIDE THEREBY
Quantification Of Inflammatory Molecules In Exhaled Breath Condensate Using Differential Pulse Voltammetry On Reduced Graphene Oxide Sensor
polyester
polyimide
cotton fiber
polyester fiber
silk fiber
wool fiber
acrylic fiber
acetate fiber
conductive epoxy
polyethylene terephthalate (PET)
poly(4,4'-oxydiphenylene-pyromellitimide) (KAPTON)
graphene oxide ink (graphene oxide sheets dispersed in water)
FIG. 3A is a schematic illustration of a further exemplary system 300. The exemplary system 300 includes a graphene oxide sensing element 310, a battery 320, a …
FIG. 4 is a graph 400 illustrating the correlation between resistance and temperature for an exemplary NT C sensing element including a printed graphene sensor …
FIG. 6 is a graph showing resistance plotted against time when an exemplary graphene oxide sensing element exhibiting NT C behavior is pinched between a …
FIG. 7 is a graph comparing a normalized pulse signal measured by an exemplary graphene oxide sensing element exhibiting NT C behavior to that measured by a …
FIG. 8 is a graph showing pulse signals measured by an exemplary graphene oxide sensing element exhibiting NT C behavior at three locations on a patient's body;
FIG. 10 is a graph comparing a electrocardiogram ("EKG") signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 11 is a graph showing a full cardiograph cycle of an EKG signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 12A. Each of the graphene oxide elements 1210, 1212 is deposited on a corresponding substrate 1220, 1222. In an embodiment, the substrates 1220, 1222 are …
FIG. 13 is a graph showing current plotted against applied pressure for a constant voltage applied to the sensing system of
| — |
polyester
polyimide
cotton fiber
polyester fiber
silk fiber
wool fiber
acrylic fiber
acetate fiber
conductive epoxy
polyethylene terephthalate (PET)
poly(4,4'-oxydiphenylene-pyromellitimide) (KAPTON)
graphene oxide ink (graphene oxide sheets dispersed in water)
FIG. 3A is a schematic illustration of a further exemplary system 300. The exemplary system 300 includes a graphene oxide sensing element 310, a battery 320, a …
FIG. 4 is a graph 400 illustrating the correlation between resistance and temperature for an exemplary NT C sensing element including a printed graphene sensor …
FIG. 6 is a graph showing resistance plotted against time when an exemplary graphene oxide sensing element exhibiting NT C behavior is pinched between a …
FIG. 7 is a graph comparing a normalized pulse signal measured by an exemplary graphene oxide sensing element exhibiting NT C behavior to that measured by a …
FIG. 8 is a graph showing pulse signals measured by an exemplary graphene oxide sensing element exhibiting NT C behavior at three locations on a patient's body;
FIG. 10 is a graph comparing a electrocardiogram ("EKG") signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 11 is a graph showing a full cardiograph cycle of an EKG signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 12A. Each of the graphene oxide elements 1210, 1212 is deposited on a corresponding substrate 1220, 1222. In an embodiment, the substrates 1220, 1222 are …
FIG. 13 is a graph showing current plotted against applied pressure for a constant voltage applied to the sensing system of
| — |
polyester
polyimide
cotton fiber
polyester fiber
silk fiber
wool fiber
acrylic fiber
acetate fiber
conductive epoxy
polyethylene terephthalate (PET)
poly(4,4'-oxydiphenylene-pyromellitimide) (KAPTON)
graphene oxide ink (graphene oxide sheets dispersed in water)
FIG. 3A is a schematic illustration of a further exemplary system 300. The exemplary system 300 includes a graphene oxide sensing element 310, a battery 320, a …
FIG. 4 is a graph 400 illustrating the correlation between resistance and temperature for an exemplary NT C sensing element including a printed graphene sensor …
FIG. 6 is a graph showing resistance plotted against time when an exemplary graphene oxide sensing element exhibiting NT C behavior is pinched between a …
FIG. 7 is a graph comparing a normalized pulse signal measured by an exemplary graphene oxide sensing element exhibiting NT C behavior to that measured by a …
FIG. 8 is a graph showing pulse signals measured by an exemplary graphene oxide sensing element exhibiting NT C behavior at three locations on a patient's body;
FIG. 10 is a graph comparing a electrocardiogram ("EKG") signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 11 is a graph showing a full cardiograph cycle of an EKG signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 12A. Each of the graphene oxide elements 1210, 1212 is deposited on a corresponding substrate 1220, 1222. In an embodiment, the substrates 1220, 1222 are …
FIG. 13 is a graph showing current plotted against applied pressure for a constant voltage applied to the sensing system of
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polyester
polyimide
cotton fiber
polyester fiber
silk fiber
wool fiber
acrylic fiber
acetate fiber
conductive epoxy
polyethylene terephthalate (PET)
poly(4,4'-oxydiphenylene-pyromellitimide) (KAPTON)
graphene oxide ink (graphene oxide sheets dispersed in water)
FIG. 3A is a schematic illustration of a further exemplary system 300. The exemplary system 300 includes a graphene oxide sensing element 310, a battery 320, a …
FIG. 4 is a graph 400 illustrating the correlation between resistance and temperature for an exemplary NT C sensing element including a printed graphene sensor …
FIG. 6 is a graph showing resistance plotted against time when an exemplary graphene oxide sensing element exhibiting NT C behavior is pinched between a …
FIG. 7 is a graph comparing a normalized pulse signal measured by an exemplary graphene oxide sensing element exhibiting NT C behavior to that measured by a …
FIG. 8 is a graph showing pulse signals measured by an exemplary graphene oxide sensing element exhibiting NT C behavior at three locations on a patient's body;
FIG. 10 is a graph comparing a electrocardiogram ("EKG") signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 11 is a graph showing a full cardiograph cycle of an EKG signal measured using a plurality of the fourth exemplary graphene oxide sensing elements as …
FIG. 12A. Each of the graphene oxide elements 1210, 1212 is deposited on a corresponding substrate 1220, 1222. In an embodiment, the substrates 1220, 1222 are …
FIG. 13 is a graph showing current plotted against applied pressure for a constant voltage applied to the sensing system of
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