Patent
US 9,460,828GRAPHENE PRINTED PATTERN CIRCUIT STRUCTURE
Mark Y. Wu
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,460,828Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a sectional view showing the graphene printed circuit pattern structure according to the present invention; and [0022]
FIG. 2 is a top view of the graphene printed circuit pattern structure according to the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene printed circuit pattern structure, comprising: a substrate having electrical insulation; and a graphene printed circuit layer being electrically conductive, provided on at least one surface of the substrate and forming a circuit pattern, the graphene printed circuit layer comprising a plurality of surface-modified nanographene platelets, a carrier resin and a filler, the surface-modified nanographene platelets uniformly dispersed in the carrier resin, the filler provided among the surface-modified nanographene platelets to help the surface-modified nanographene platelets connect each other, wherein the carrier resin is phenolic resin; the filler is selected from at least one of graphite, carbon nanotubes and carbon black; the surface- modified nanographene platelet comprises a surface-modified la y er having hydrophilic groups and hydrophobic groups, and the surface-modified nanographene platelets are chemically bound with the filler and the carrier resin through the hydrophilic groups and the hydrophobic groups, wherein a ratio of the particle size of the filler to the thickness of the surface-modified nanographene platelet is 2-1000, and the surface-modified nanographene platelets, the carrier resin and the filler in the graphene printed circuit layer are about 0.1-30 wt % (weight percent of the graphene printed circuit layer), 20-70 wt % and 10-50 wt %, respectively.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the surface modified nanographen e platelet comprises at lest one surface modified layer provided on the surface modified nanographen e platelet, the surface-modified layer is formed of at least one surface modifying agent, the surface modifying agent is selected from a coupling agent, the coupling agent has a chemical formula M X (R) y (R') z, M is metal element, R is a hydrophilic group, R' is a hydrophobic group, 0 x 6, 1 y 20, 1 z 20, the surface-modified nanographene platelet has an oxygen content of 2-20 wt %, and the surface modified nanographen e platelet is chemically bound with the filler and the carrier resin through the hydrophilic group and the hydrophobic group.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the graphene printed circuit layer has sheet resistance less than 100 ohm/sq.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the substrate is formed of an electrical isolation material, and the electrical isolation material is selected from a group consisting of [[lat]] at least one of polyethylene terephthalate (PET), polyimide, epoxy resin and phenolic resin.
Application No. 14/528,93 6 Attorney Docket No. 2846/0996PUS 1 Response to Office Action dated 18 Nov 2015 canceled
6-7. canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene printed circuit pattern structure
Materials described outside the worked examples.
surface-modified nanographene platelet
phenolic resin
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sheet resistance of graphene printed circuit layer < 100 ohm/sq | ≤ 100 ohm/sq | graphene printed circuit layer |
planar thermal conductivity > 1 W/mK | ≥ 1 W/mK |
Patent
Atlas literature
Patent
US 9,460,828Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a sectional view showing the graphene printed circuit pattern structure according to the present invention; and [0022]
FIG. 2 is a top view of the graphene printed circuit pattern structure according to the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene printed circuit pattern structure, comprising: a substrate having electrical insulation; and a graphene printed circuit layer being electrically conductive, provided on at least one surface of the substrate and forming a circuit pattern, the graphene printed circuit layer comprising a plurality of surface-modified nanographene platelets, a carrier resin and a filler, the surface-modified nanographene platelets uniformly dispersed in the carrier resin, the filler provided among the surface-modified nanographene platelets to help the surface-modified nanographene platelets connect each other, wherein the carrier resin is phenolic resin; the filler is selected from at least one of graphite, carbon nanotubes and carbon black; the surface- modified nanographene platelet comprises a surface-modified la y er having hydrophilic groups and hydrophobic groups, and the surface-modified nanographene platelets are chemically bound with the filler and the carrier resin through the hydrophilic groups and the hydrophobic groups, wherein a ratio of the particle size of the filler to the thickness of the surface-modified nanographene platelet is 2-1000, and the surface-modified nanographene platelets, the carrier resin and the filler in the graphene printed circuit layer are about 0.1-30 wt % (weight percent of the graphene printed circuit layer), 20-70 wt % and 10-50 wt %, respectively.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the surface modified nanographen e platelet comprises at lest one surface modified layer provided on the surface modified nanographen e platelet, the surface-modified layer is formed of at least one surface modifying agent, the surface modifying agent is selected from a coupling agent, the coupling agent has a chemical formula M X (R) y (R') z, M is metal element, R is a hydrophilic group, R' is a hydrophobic group, 0 x 6, 1 y 20, 1 z 20, the surface-modified nanographene platelet has an oxygen content of 2-20 wt %, and the surface modified nanographen e platelet is chemically bound with the filler and the carrier resin through the hydrophilic group and the hydrophobic group.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the graphene printed circuit layer has sheet resistance less than 100 ohm/sq.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the substrate is formed of an electrical isolation material, and the electrical isolation material is selected from a group consisting of [[lat]] at least one of polyethylene terephthalate (PET), polyimide, epoxy resin and phenolic resin.
Application No. 14/528,93 6 Attorney Docket No. 2846/0996PUS 1 Response to Office Action dated 18 Nov 2015 canceled
6-7. canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene printed circuit pattern structure
Materials described outside the worked examples.
surface-modified nanographene platelet
phenolic resin
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sheet resistance of graphene printed circuit layer < 100 ohm/sq | ≤ 100 ohm/sq | graphene printed circuit layer |
planar thermal conductivity > 1 W/mK | ≥ 1 W/mK |
Patent
Atlas literature
Patent
US 9,460,828Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a sectional view showing the graphene printed circuit pattern structure according to the present invention; and [0022]
FIG. 2 is a top view of the graphene printed circuit pattern structure according to the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene printed circuit pattern structure, comprising: a substrate having electrical insulation; and a graphene printed circuit layer being electrically conductive, provided on at least one surface of the substrate and forming a circuit pattern, the graphene printed circuit layer comprising a plurality of surface-modified nanographene platelets, a carrier resin and a filler, the surface-modified nanographene platelets uniformly dispersed in the carrier resin, the filler provided among the surface-modified nanographene platelets to help the surface-modified nanographene platelets connect each other, wherein the carrier resin is phenolic resin; the filler is selected from at least one of graphite, carbon nanotubes and carbon black; the surface- modified nanographene platelet comprises a surface-modified la y er having hydrophilic groups and hydrophobic groups, and the surface-modified nanographene platelets are chemically bound with the filler and the carrier resin through the hydrophilic groups and the hydrophobic groups, wherein a ratio of the particle size of the filler to the thickness of the surface-modified nanographene platelet is 2-1000, and the surface-modified nanographene platelets, the carrier resin and the filler in the graphene printed circuit layer are about 0.1-30 wt % (weight percent of the graphene printed circuit layer), 20-70 wt % and 10-50 wt %, respectively.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the surface modified nanographen e platelet comprises at lest one surface modified layer provided on the surface modified nanographen e platelet, the surface-modified layer is formed of at least one surface modifying agent, the surface modifying agent is selected from a coupling agent, the coupling agent has a chemical formula M X (R) y (R') z, M is metal element, R is a hydrophilic group, R' is a hydrophobic group, 0 x 6, 1 y 20, 1 z 20, the surface-modified nanographene platelet has an oxygen content of 2-20 wt %, and the surface modified nanographen e platelet is chemically bound with the filler and the carrier resin through the hydrophilic group and the hydrophobic group.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the graphene printed circuit layer has sheet resistance less than 100 ohm/sq.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the substrate is formed of an electrical isolation material, and the electrical isolation material is selected from a group consisting of [[lat]] at least one of polyethylene terephthalate (PET), polyimide, epoxy resin and phenolic resin.
Application No. 14/528,93 6 Attorney Docket No. 2846/0996PUS 1 Response to Office Action dated 18 Nov 2015 canceled
6-7. canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene printed circuit pattern structure
Materials described outside the worked examples.
surface-modified nanographene platelet
phenolic resin
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sheet resistance of graphene printed circuit layer < 100 ohm/sq | ≤ 100 ohm/sq | graphene printed circuit layer |
planar thermal conductivity > 1 W/mK | ≥ 1 W/mK |
Patent
Atlas literature
Patent
US 9,460,828Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a sectional view showing the graphene printed circuit pattern structure according to the present invention; and [0022]
FIG. 2 is a top view of the graphene printed circuit pattern structure according to the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene printed circuit pattern structure, comprising: a substrate having electrical insulation; and a graphene printed circuit layer being electrically conductive, provided on at least one surface of the substrate and forming a circuit pattern, the graphene printed circuit layer comprising a plurality of surface-modified nanographene platelets, a carrier resin and a filler, the surface-modified nanographene platelets uniformly dispersed in the carrier resin, the filler provided among the surface-modified nanographene platelets to help the surface-modified nanographene platelets connect each other, wherein the carrier resin is phenolic resin; the filler is selected from at least one of graphite, carbon nanotubes and carbon black; the surface- modified nanographene platelet comprises a surface-modified la y er having hydrophilic groups and hydrophobic groups, and the surface-modified nanographene platelets are chemically bound with the filler and the carrier resin through the hydrophilic groups and the hydrophobic groups, wherein a ratio of the particle size of the filler to the thickness of the surface-modified nanographene platelet is 2-1000, and the surface-modified nanographene platelets, the carrier resin and the filler in the graphene printed circuit layer are about 0.1-30 wt % (weight percent of the graphene printed circuit layer), 20-70 wt % and 10-50 wt %, respectively.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the surface modified nanographen e platelet comprises at lest one surface modified layer provided on the surface modified nanographen e platelet, the surface-modified layer is formed of at least one surface modifying agent, the surface modifying agent is selected from a coupling agent, the coupling agent has a chemical formula M X (R) y (R') z, M is metal element, R is a hydrophilic group, R' is a hydrophobic group, 0 x 6, 1 y 20, 1 z 20, the surface-modified nanographene platelet has an oxygen content of 2-20 wt %, and the surface modified nanographen e platelet is chemically bound with the filler and the carrier resin through the hydrophilic group and the hydrophobic group.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the graphene printed circuit layer has sheet resistance less than 100 ohm/sq.
The graphene printed circuit pattern structure as claimed in claim 1, wherein the substrate is formed of an electrical isolation material, and the electrical isolation material is selected from a group consisting of [[lat]] at least one of polyethylene terephthalate (PET), polyimide, epoxy resin and phenolic resin.
Application No. 14/528,93 6 Attorney Docket No. 2846/0996PUS 1 Response to Office Action dated 18 Nov 2015 canceled
6-7. canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene printed circuit pattern structure
Materials described outside the worked examples.
surface-modified nanographene platelet
phenolic resin
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sheet resistance of graphene printed circuit layer < 100 ohm/sq | ≤ 100 ohm/sq | graphene printed circuit layer |
planar thermal conductivity > 1 W/mK | ≥ 1 W/mK |
filler (graphite, carbon nanotubes, or carbon black)
graphene printed circuit layer
substrate electrical isolation material
graphite
carbon nanotubes
carbon black
polyethylene terephthalate (PET)
polyimide
epoxy resin
graphene printed circuit layer thickness < 50 μm | ≤ 50 μm | graphene printed circuit layer |
— | ≥ 1 W | — |
filler (graphite, carbon nanotubes, or carbon black)
graphene printed circuit layer
substrate electrical isolation material
graphite
carbon nanotubes
carbon black
polyethylene terephthalate (PET)
polyimide
epoxy resin
graphene printed circuit layer thickness < 50 μm | ≤ 50 μm | graphene printed circuit layer |
— | ≥ 1 W | — |
filler (graphite, carbon nanotubes, or carbon black)
graphene printed circuit layer
substrate electrical isolation material
graphite
carbon nanotubes
carbon black
polyethylene terephthalate (PET)
polyimide
epoxy resin
graphene printed circuit layer thickness < 50 μm | ≤ 50 μm | graphene printed circuit layer |
— | ≥ 1 W | — |
filler (graphite, carbon nanotubes, or carbon black)
graphene printed circuit layer
substrate electrical isolation material
graphite
carbon nanotubes
carbon black
polyethylene terephthalate (PET)
polyimide
epoxy resin
graphene printed circuit layer thickness < 50 μm | ≤ 50 μm | graphene printed circuit layer |
— | ≥ 1 W | — |