Patent
US 10,056,218GRAPHENE/GRAPHITE-BASED FILAMENT FOR THERMAL IONIZATION
Joshua T. Hewitt
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,056,218Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 schematically illustrates one embodiment of a graphene TI filament configuration in a system as described. [0009]
FIG. 2 illustrates a possible shape for a graphene TI filament. [0010]
FIG. 3 illustrates another p o ssible shape for a graphene TI filament. [0011]
FIG. 4 illustrates another p o ssible shape for a graphene TI filament. [0012]
FIG. 5 illustrates another possible shape for a graphene TI filament. [0013]
FIG. 6 illustrates another possible shape for a graphene TI filament. [0014]
FIG. 7 illustrates another possible shape for a graphene TI filament. [0015]
FIG. 8 illustrates another possible shape for a graphene TI filament. [0016]
FIG. 9 illustrates a p o ssible electrical connection for a graphene TI filament. [0017]
FIG. 10 illustrates another possible electrical connection for a graphene TI filament. [0018]
FIG. 11 illustrates another possible electrical connection for a graphene TI filament. [0019]
FIG. 12 illustrates another p o ssible electrical connection for a graphene TI filament. [0020]
FIG. 13 schematically illustrates one embodiment of a TIMS system including a graphene TI filament as described. Page 4 of 26 SRNS-105 (SRS-16-019) [0021] …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A system for ionizing a sample comprising: a graphene thermal ionization (TI) filament; a power source in electrical communication with the graphene TI filament, the power source being configured to resistively heat the graphene TI filament; and an ion collector in communication with the graphene TI filament such that ions emitted from a sample located on the graphene TI filament pass through the ion collector, the ion collector being configured to form an ion beam comprising the ions. Original
The system of claim 1, further comprising a mass spectrometer in communication with the ion collector such that the ions that pass through the ion collector enter a magnetic field of the mass spectrometer. Original
The system of claim 1, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or combinations thereof. Original
The system of claim 1, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or combinations thereof supported on a metal substrate. Original
The system of claim 1, wherein the graphene TI filament comprises a metal-graphene hybrid. Original
The system of claim 1, wherein the graphene TI filament comprises a dopant. Original
The system of claim 1, wherein the ion collector comprises a series of lens elements. Original
The system of claim 1, wherein the graphene TI filament is a 3- D printed filament. Original
The system of claim [[2]]3, wherein the graphite, graphene, graphene oxide, or reduced graphene oxide, or combinations thereof are [[is]] chemically modified. Currently amended
A method for forming an ion beam comprising: contacting a graphene TI filament with a solid sample; heating the graphene TI filament to a temperature at which atoms of the solid sample are desorbed and ionized; and collecting and focusing the desorbed ions to form the ion beam. Original
The method of claim 10, further comprising passing the ion beam through a magnetic field and thereby separating the ions of the ion beam according to their mass:charge ratio. Original
The method of claim 10, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or a combination thereof. Original
The method of claim 10, wherein the graphene TI filament is a composite graphene TI filament. Original
14 The method of claim 10, further comprising forming the TI filament. Reply to Office Action dated Original
The method according to claim 10, further comprising bombarding a target with the ion beam. Original
The method according to claim 10, wherein the solid sample comprises plutonium or uranium. Original
The method according to claim 10, wherein the solid sample comprises Th, Pb, Rb, Sr, Sm, Nd, Lu, Hf, Re, Os, Hf, Fe, Ni, Mn, Cr, A l, Mg, Zr, Mo, Ru, Li, B, or Ca. Original
Layer stacks claimed or described, ordered top of device to substrate.
thermal ionization mass spectrometry (TIMS) system with graphene TI filament
Materials described outside the worked examples.
graphene TI filament (graphene-based material)
graphene
C
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 9 illustrates a p o ssible electrical connection for a graphene TI filament. [0017]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–20 mM | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,056,218Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 schematically illustrates one embodiment of a graphene TI filament configuration in a system as described. [0009]
FIG. 2 illustrates a possible shape for a graphene TI filament. [0010]
FIG. 3 illustrates another p o ssible shape for a graphene TI filament. [0011]
FIG. 4 illustrates another p o ssible shape for a graphene TI filament. [0012]
FIG. 5 illustrates another possible shape for a graphene TI filament. [0013]
FIG. 6 illustrates another possible shape for a graphene TI filament. [0014]
FIG. 7 illustrates another possible shape for a graphene TI filament. [0015]
FIG. 8 illustrates another possible shape for a graphene TI filament. [0016]
FIG. 9 illustrates a p o ssible electrical connection for a graphene TI filament. [0017]
FIG. 10 illustrates another possible electrical connection for a graphene TI filament. [0018]
FIG. 11 illustrates another possible electrical connection for a graphene TI filament. [0019]
FIG. 12 illustrates another p o ssible electrical connection for a graphene TI filament. [0020]
FIG. 13 schematically illustrates one embodiment of a TIMS system including a graphene TI filament as described. Page 4 of 26 SRNS-105 (SRS-16-019) [0021] …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A system for ionizing a sample comprising: a graphene thermal ionization (TI) filament; a power source in electrical communication with the graphene TI filament, the power source being configured to resistively heat the graphene TI filament; and an ion collector in communication with the graphene TI filament such that ions emitted from a sample located on the graphene TI filament pass through the ion collector, the ion collector being configured to form an ion beam comprising the ions. Original
The system of claim 1, further comprising a mass spectrometer in communication with the ion collector such that the ions that pass through the ion collector enter a magnetic field of the mass spectrometer. Original
The system of claim 1, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or combinations thereof. Original
The system of claim 1, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or combinations thereof supported on a metal substrate. Original
The system of claim 1, wherein the graphene TI filament comprises a metal-graphene hybrid. Original
The system of claim 1, wherein the graphene TI filament comprises a dopant. Original
The system of claim 1, wherein the ion collector comprises a series of lens elements. Original
The system of claim 1, wherein the graphene TI filament is a 3- D printed filament. Original
The system of claim [[2]]3, wherein the graphite, graphene, graphene oxide, or reduced graphene oxide, or combinations thereof are [[is]] chemically modified. Currently amended
A method for forming an ion beam comprising: contacting a graphene TI filament with a solid sample; heating the graphene TI filament to a temperature at which atoms of the solid sample are desorbed and ionized; and collecting and focusing the desorbed ions to form the ion beam. Original
The method of claim 10, further comprising passing the ion beam through a magnetic field and thereby separating the ions of the ion beam according to their mass:charge ratio. Original
The method of claim 10, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or a combination thereof. Original
The method of claim 10, wherein the graphene TI filament is a composite graphene TI filament. Original
14 The method of claim 10, further comprising forming the TI filament. Reply to Office Action dated Original
The method according to claim 10, further comprising bombarding a target with the ion beam. Original
The method according to claim 10, wherein the solid sample comprises plutonium or uranium. Original
The method according to claim 10, wherein the solid sample comprises Th, Pb, Rb, Sr, Sm, Nd, Lu, Hf, Re, Os, Hf, Fe, Ni, Mn, Cr, A l, Mg, Zr, Mo, Ru, Li, B, or Ca. Original
Layer stacks claimed or described, ordered top of device to substrate.
thermal ionization mass spectrometry (TIMS) system with graphene TI filament
Materials described outside the worked examples.
graphene TI filament (graphene-based material)
graphene
C
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 9 illustrates a p o ssible electrical connection for a graphene TI filament. [0017]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–20 mM | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,056,218Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 schematically illustrates one embodiment of a graphene TI filament configuration in a system as described. [0009]
FIG. 2 illustrates a possible shape for a graphene TI filament. [0010]
FIG. 3 illustrates another p o ssible shape for a graphene TI filament. [0011]
FIG. 4 illustrates another p o ssible shape for a graphene TI filament. [0012]
FIG. 5 illustrates another possible shape for a graphene TI filament. [0013]
FIG. 6 illustrates another possible shape for a graphene TI filament. [0014]
FIG. 7 illustrates another possible shape for a graphene TI filament. [0015]
FIG. 8 illustrates another possible shape for a graphene TI filament. [0016]
FIG. 9 illustrates a p o ssible electrical connection for a graphene TI filament. [0017]
FIG. 10 illustrates another possible electrical connection for a graphene TI filament. [0018]
FIG. 11 illustrates another possible electrical connection for a graphene TI filament. [0019]
FIG. 12 illustrates another p o ssible electrical connection for a graphene TI filament. [0020]
FIG. 13 schematically illustrates one embodiment of a TIMS system including a graphene TI filament as described. Page 4 of 26 SRNS-105 (SRS-16-019) [0021] …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A system for ionizing a sample comprising: a graphene thermal ionization (TI) filament; a power source in electrical communication with the graphene TI filament, the power source being configured to resistively heat the graphene TI filament; and an ion collector in communication with the graphene TI filament such that ions emitted from a sample located on the graphene TI filament pass through the ion collector, the ion collector being configured to form an ion beam comprising the ions. Original
The system of claim 1, further comprising a mass spectrometer in communication with the ion collector such that the ions that pass through the ion collector enter a magnetic field of the mass spectrometer. Original
The system of claim 1, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or combinations thereof. Original
The system of claim 1, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or combinations thereof supported on a metal substrate. Original
The system of claim 1, wherein the graphene TI filament comprises a metal-graphene hybrid. Original
The system of claim 1, wherein the graphene TI filament comprises a dopant. Original
The system of claim 1, wherein the ion collector comprises a series of lens elements. Original
The system of claim 1, wherein the graphene TI filament is a 3- D printed filament. Original
The system of claim [[2]]3, wherein the graphite, graphene, graphene oxide, or reduced graphene oxide, or combinations thereof are [[is]] chemically modified. Currently amended
A method for forming an ion beam comprising: contacting a graphene TI filament with a solid sample; heating the graphene TI filament to a temperature at which atoms of the solid sample are desorbed and ionized; and collecting and focusing the desorbed ions to form the ion beam. Original
The method of claim 10, further comprising passing the ion beam through a magnetic field and thereby separating the ions of the ion beam according to their mass:charge ratio. Original
The method of claim 10, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or a combination thereof. Original
The method of claim 10, wherein the graphene TI filament is a composite graphene TI filament. Original
14 The method of claim 10, further comprising forming the TI filament. Reply to Office Action dated Original
The method according to claim 10, further comprising bombarding a target with the ion beam. Original
The method according to claim 10, wherein the solid sample comprises plutonium or uranium. Original
The method according to claim 10, wherein the solid sample comprises Th, Pb, Rb, Sr, Sm, Nd, Lu, Hf, Re, Os, Hf, Fe, Ni, Mn, Cr, A l, Mg, Zr, Mo, Ru, Li, B, or Ca. Original
Layer stacks claimed or described, ordered top of device to substrate.
thermal ionization mass spectrometry (TIMS) system with graphene TI filament
Materials described outside the worked examples.
graphene TI filament (graphene-based material)
graphene
C
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 9 illustrates a p o ssible electrical connection for a graphene TI filament. [0017]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–20 mM | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,056,218Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 schematically illustrates one embodiment of a graphene TI filament configuration in a system as described. [0009]
FIG. 2 illustrates a possible shape for a graphene TI filament. [0010]
FIG. 3 illustrates another p o ssible shape for a graphene TI filament. [0011]
FIG. 4 illustrates another p o ssible shape for a graphene TI filament. [0012]
FIG. 5 illustrates another possible shape for a graphene TI filament. [0013]
FIG. 6 illustrates another possible shape for a graphene TI filament. [0014]
FIG. 7 illustrates another possible shape for a graphene TI filament. [0015]
FIG. 8 illustrates another possible shape for a graphene TI filament. [0016]
FIG. 9 illustrates a p o ssible electrical connection for a graphene TI filament. [0017]
FIG. 10 illustrates another possible electrical connection for a graphene TI filament. [0018]
FIG. 11 illustrates another possible electrical connection for a graphene TI filament. [0019]
FIG. 12 illustrates another p o ssible electrical connection for a graphene TI filament. [0020]
FIG. 13 schematically illustrates one embodiment of a TIMS system including a graphene TI filament as described. Page 4 of 26 SRNS-105 (SRS-16-019) [0021] …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A system for ionizing a sample comprising: a graphene thermal ionization (TI) filament; a power source in electrical communication with the graphene TI filament, the power source being configured to resistively heat the graphene TI filament; and an ion collector in communication with the graphene TI filament such that ions emitted from a sample located on the graphene TI filament pass through the ion collector, the ion collector being configured to form an ion beam comprising the ions. Original
The system of claim 1, further comprising a mass spectrometer in communication with the ion collector such that the ions that pass through the ion collector enter a magnetic field of the mass spectrometer. Original
The system of claim 1, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or combinations thereof. Original
The system of claim 1, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or combinations thereof supported on a metal substrate. Original
The system of claim 1, wherein the graphene TI filament comprises a metal-graphene hybrid. Original
The system of claim 1, wherein the graphene TI filament comprises a dopant. Original
The system of claim 1, wherein the ion collector comprises a series of lens elements. Original
The system of claim 1, wherein the graphene TI filament is a 3- D printed filament. Original
The system of claim [[2]]3, wherein the graphite, graphene, graphene oxide, or reduced graphene oxide, or combinations thereof are [[is]] chemically modified. Currently amended
A method for forming an ion beam comprising: contacting a graphene TI filament with a solid sample; heating the graphene TI filament to a temperature at which atoms of the solid sample are desorbed and ionized; and collecting and focusing the desorbed ions to form the ion beam. Original
The method of claim 10, further comprising passing the ion beam through a magnetic field and thereby separating the ions of the ion beam according to their mass:charge ratio. Original
The method of claim 10, wherein the graphene TI filament comprises graphite, graphene, graphene oxide, reduced graphene oxide, or a combination thereof. Original
The method of claim 10, wherein the graphene TI filament is a composite graphene TI filament. Original
14 The method of claim 10, further comprising forming the TI filament. Reply to Office Action dated Original
The method according to claim 10, further comprising bombarding a target with the ion beam. Original
The method according to claim 10, wherein the solid sample comprises plutonium or uranium. Original
The method according to claim 10, wherein the solid sample comprises Th, Pb, Rb, Sr, Sm, Nd, Lu, Hf, Re, Os, Hf, Fe, Ni, Mn, Cr, A l, Mg, Zr, Mo, Ru, Li, B, or Ca. Original
Layer stacks claimed or described, ordered top of device to substrate.
thermal ionization mass spectrometry (TIMS) system with graphene TI filament
Materials described outside the worked examples.
graphene TI filament (graphene-based material)
graphene
C
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 9 illustrates a p o ssible electrical connection for a graphene TI filament. [0017]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–20 mM | — |
Related documents with shared materials, methods, properties, or citations.
graphene oxide
reduced graphene oxide
metal substrate
metal-graphene hybrid
plutonium
Pu
uranium
U
solid sample elements (Th, Pb, Rb, Sr, Sm, Nd, Lu, Hf, Re, Os, Fe, Ni, Mn, Cr, Al, Mg, Zr, Mo, Ru, Li, B, Ca)
refractory metals (Re, W, Ta)
FIG. 10 illustrates another possible electrical connection for a graphene TI filament. [0018]
FIG. 11 illustrates another possible electrical connection for a graphene TI filament. [0019]
FIG. 12 illustrates another p o ssible electrical connection for a graphene TI filament. [0020]
graphene oxide
reduced graphene oxide
metal substrate
metal-graphene hybrid
plutonium
Pu
uranium
U
solid sample elements (Th, Pb, Rb, Sr, Sm, Nd, Lu, Hf, Re, Os, Fe, Ni, Mn, Cr, Al, Mg, Zr, Mo, Ru, Li, B, Ca)
refractory metals (Re, W, Ta)
FIG. 10 illustrates another possible electrical connection for a graphene TI filament. [0018]
FIG. 11 illustrates another possible electrical connection for a graphene TI filament. [0019]
FIG. 12 illustrates another p o ssible electrical connection for a graphene TI filament. [0020]
graphene oxide
reduced graphene oxide
metal substrate
metal-graphene hybrid
plutonium
Pu
uranium
U
solid sample elements (Th, Pb, Rb, Sr, Sm, Nd, Lu, Hf, Re, Os, Fe, Ni, Mn, Cr, Al, Mg, Zr, Mo, Ru, Li, B, Ca)
refractory metals (Re, W, Ta)
FIG. 10 illustrates another possible electrical connection for a graphene TI filament. [0018]
FIG. 11 illustrates another possible electrical connection for a graphene TI filament. [0019]
FIG. 12 illustrates another p o ssible electrical connection for a graphene TI filament. [0020]
graphene oxide
reduced graphene oxide
metal substrate
metal-graphene hybrid
plutonium
Pu
uranium
U
solid sample elements (Th, Pb, Rb, Sr, Sm, Nd, Lu, Hf, Re, Os, Fe, Ni, Mn, Cr, Al, Mg, Zr, Mo, Ru, Li, B, Ca)
refractory metals (Re, W, Ta)
FIG. 10 illustrates another possible electrical connection for a graphene TI filament. [0018]
FIG. 11 illustrates another possible electrical connection for a graphene TI filament. [0019]
FIG. 12 illustrates another p o ssible electrical connection for a graphene TI filament. [0020]