Patent
US 10,125,298HIGH THERMAL CONDUCTIVITY GRAPHITE AND GRAPHENE-CONTAINING COMPOSITES
Alexis Abramson
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,125,298Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 a top view of one embodiment of a device of the present invention including a composite according to the present invention connecting a heat producing …
FIG. 2 illustrates x-ray photoelectron spectra of four different types of graphene; and [0025]
FIG. 3 illustrates a comparison of the theoretical predictions for thermal conductivities with the experimentally measured values.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composite composition, comprising: an epoxy matrix, micro-size graphite, and nano-size graphene sheets, wherein the ratio of graphite to graphene is from about 4:1 to about 7:1, and wherein the total amount of graphite and graphene is about 7 parts to about 35 parts per 100 total parts by weight of epoxy, graphite and graphene.
The composition according to claim 1, wherein the graphene is oxygen intercalated.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 5 W/m-K and the composition has at least 7 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 7 W/m-K and the composition has at least 14 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 27 W/m-K and the composition has about 35 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
An electronic device, comprising: a substrate, a heat producing component operatively connected to the substrate, a heat dissipating component operatively connected to the substrate, and an electrically insulating and thermally conductive composite composition disposed between and thermally connecting the heat producing component and the heat dissipating component, the composite composition comprising an epoxy matrix, micro-size graphite, and nano-size graphene sheets, wherein the ratio of graphite to graphene is from about 4:1 to about 7:1, and wherein the total amount of graphite and graphene is about 7 parts to about 35 parts per 100 total parts by weight of epoxy, graphite and graphene.
The device according to claim 10, wherein the graphene is oxygen intercalated.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 5 W/m-K and the composition has at least 7 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 7 W/m-K and the composition has at least 14 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 27 W/m-K and the composition has at least 35 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer. What is claimed is:
Layer stacks claimed or described, ordered top of device to substrate.
electronic device with thermally conductive composite
Materials described outside the worked examples.
micro-size graphite
nano-size graphene sheets
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 illustrates x-ray photoelectron spectra of four different types of graphene; and [0025]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene thermal conductivity (claimed range) | 500–2500 W/m-K | nano-size graphene sheets |
composite thermal conductivity at ≥7 phr filler loading | ≥ 5 W/m-K |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,125,298Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 a top view of one embodiment of a device of the present invention including a composite according to the present invention connecting a heat producing …
FIG. 2 illustrates x-ray photoelectron spectra of four different types of graphene; and [0025]
FIG. 3 illustrates a comparison of the theoretical predictions for thermal conductivities with the experimentally measured values.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composite composition, comprising: an epoxy matrix, micro-size graphite, and nano-size graphene sheets, wherein the ratio of graphite to graphene is from about 4:1 to about 7:1, and wherein the total amount of graphite and graphene is about 7 parts to about 35 parts per 100 total parts by weight of epoxy, graphite and graphene.
The composition according to claim 1, wherein the graphene is oxygen intercalated.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 5 W/m-K and the composition has at least 7 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 7 W/m-K and the composition has at least 14 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 27 W/m-K and the composition has about 35 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
An electronic device, comprising: a substrate, a heat producing component operatively connected to the substrate, a heat dissipating component operatively connected to the substrate, and an electrically insulating and thermally conductive composite composition disposed between and thermally connecting the heat producing component and the heat dissipating component, the composite composition comprising an epoxy matrix, micro-size graphite, and nano-size graphene sheets, wherein the ratio of graphite to graphene is from about 4:1 to about 7:1, and wherein the total amount of graphite and graphene is about 7 parts to about 35 parts per 100 total parts by weight of epoxy, graphite and graphene.
The device according to claim 10, wherein the graphene is oxygen intercalated.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 5 W/m-K and the composition has at least 7 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 7 W/m-K and the composition has at least 14 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 27 W/m-K and the composition has at least 35 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer. What is claimed is:
Layer stacks claimed or described, ordered top of device to substrate.
electronic device with thermally conductive composite
Materials described outside the worked examples.
micro-size graphite
nano-size graphene sheets
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 illustrates x-ray photoelectron spectra of four different types of graphene; and [0025]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene thermal conductivity (claimed range) | 500–2500 W/m-K | nano-size graphene sheets |
composite thermal conductivity at ≥7 phr filler loading | ≥ 5 W/m-K |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,125,298Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 a top view of one embodiment of a device of the present invention including a composite according to the present invention connecting a heat producing …
FIG. 2 illustrates x-ray photoelectron spectra of four different types of graphene; and [0025]
FIG. 3 illustrates a comparison of the theoretical predictions for thermal conductivities with the experimentally measured values.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composite composition, comprising: an epoxy matrix, micro-size graphite, and nano-size graphene sheets, wherein the ratio of graphite to graphene is from about 4:1 to about 7:1, and wherein the total amount of graphite and graphene is about 7 parts to about 35 parts per 100 total parts by weight of epoxy, graphite and graphene.
The composition according to claim 1, wherein the graphene is oxygen intercalated.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 5 W/m-K and the composition has at least 7 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 7 W/m-K and the composition has at least 14 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 27 W/m-K and the composition has about 35 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
An electronic device, comprising: a substrate, a heat producing component operatively connected to the substrate, a heat dissipating component operatively connected to the substrate, and an electrically insulating and thermally conductive composite composition disposed between and thermally connecting the heat producing component and the heat dissipating component, the composite composition comprising an epoxy matrix, micro-size graphite, and nano-size graphene sheets, wherein the ratio of graphite to graphene is from about 4:1 to about 7:1, and wherein the total amount of graphite and graphene is about 7 parts to about 35 parts per 100 total parts by weight of epoxy, graphite and graphene.
The device according to claim 10, wherein the graphene is oxygen intercalated.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 5 W/m-K and the composition has at least 7 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 7 W/m-K and the composition has at least 14 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 27 W/m-K and the composition has at least 35 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer. What is claimed is:
Layer stacks claimed or described, ordered top of device to substrate.
electronic device with thermally conductive composite
Materials described outside the worked examples.
micro-size graphite
nano-size graphene sheets
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 illustrates x-ray photoelectron spectra of four different types of graphene; and [0025]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene thermal conductivity (claimed range) | 500–2500 W/m-K | nano-size graphene sheets |
composite thermal conductivity at ≥7 phr filler loading | ≥ 5 W/m-K |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,125,298Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 a top view of one embodiment of a device of the present invention including a composite according to the present invention connecting a heat producing …
FIG. 2 illustrates x-ray photoelectron spectra of four different types of graphene; and [0025]
FIG. 3 illustrates a comparison of the theoretical predictions for thermal conductivities with the experimentally measured values.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composite composition, comprising: an epoxy matrix, micro-size graphite, and nano-size graphene sheets, wherein the ratio of graphite to graphene is from about 4:1 to about 7:1, and wherein the total amount of graphite and graphene is about 7 parts to about 35 parts per 100 total parts by weight of epoxy, graphite and graphene.
The composition according to claim 1, wherein the graphene is oxygen intercalated.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 5 W/m-K and the composition has at least 7 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 7 W/m-K and the composition has at least 14 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 1, wherein the composition has a thermal conductivity of at least 27 W/m-K and the composition has about 35 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
An electronic device, comprising: a substrate, a heat producing component operatively connected to the substrate, a heat dissipating component operatively connected to the substrate, and an electrically insulating and thermally conductive composite composition disposed between and thermally connecting the heat producing component and the heat dissipating component, the composite composition comprising an epoxy matrix, micro-size graphite, and nano-size graphene sheets, wherein the ratio of graphite to graphene is from about 4:1 to about 7:1, and wherein the total amount of graphite and graphene is about 7 parts to about 35 parts per 100 total parts by weight of epoxy, graphite and graphene.
The device according to claim 10, wherein the graphene is oxygen intercalated.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 5 W/m-K and the composition has at least 7 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 7 W/m-K and the composition has at least 14 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer.
The composition according to claim 10, wherein the composition has a thermal conductivity of at least 27 W/m-K and the composition has at least 35 total parts by weight graphite and graphene based on 100 parts by weight of graphite, graphene and matrix polymer. What is claimed is:
Layer stacks claimed or described, ordered top of device to substrate.
electronic device with thermally conductive composite
Materials described outside the worked examples.
micro-size graphite
nano-size graphene sheets
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 illustrates x-ray photoelectron spectra of four different types of graphene; and [0025]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene thermal conductivity (claimed range) | 500–2500 W/m-K | nano-size graphene sheets |
composite thermal conductivity at ≥7 phr filler loading | ≥ 5 W/m-K |
Related documents with shared materials, methods, properties, or citations.
epoxy matrix
oxygen intercalated graphene
composite thermal conductivity at ≥14 phr filler loading | ≥ 7 W/m-K | — |
composite thermal conductivity at ~35 phr filler loading | ≥ 27 W/m-K | — |
Thickness | 5–500 µm | — |
Thickness | 5–500 nm | — |
— | 500–2500 W | — |
— | 700–2200 W | — |
Pressure | 7–40 pa | — |
Pressure | 15–35 pa | — |
Pressure | 30–35 pa | — |
— | ≥ 5 W | — |
— | ≥ 7 W | — |
— | ≥ 40 W | — |
— | ≥ 27 W | — |
epoxy matrix
oxygen intercalated graphene
composite thermal conductivity at ≥14 phr filler loading | ≥ 7 W/m-K | — |
composite thermal conductivity at ~35 phr filler loading | ≥ 27 W/m-K | — |
Thickness | 5–500 µm | — |
Thickness | 5–500 nm | — |
— | 500–2500 W | — |
— | 700–2200 W | — |
Pressure | 7–40 pa | — |
Pressure | 15–35 pa | — |
Pressure | 30–35 pa | — |
— | ≥ 5 W | — |
— | ≥ 7 W | — |
— | ≥ 40 W | — |
— | ≥ 27 W | — |
epoxy matrix
oxygen intercalated graphene
composite thermal conductivity at ≥14 phr filler loading | ≥ 7 W/m-K | — |
composite thermal conductivity at ~35 phr filler loading | ≥ 27 W/m-K | — |
Thickness | 5–500 µm | — |
Thickness | 5–500 nm | — |
— | 500–2500 W | — |
— | 700–2200 W | — |
Pressure | 7–40 pa | — |
Pressure | 15–35 pa | — |
Pressure | 30–35 pa | — |
— | ≥ 5 W | — |
— | ≥ 7 W | — |
— | ≥ 40 W | — |
— | ≥ 27 W | — |
epoxy matrix
oxygen intercalated graphene
composite thermal conductivity at ≥14 phr filler loading | ≥ 7 W/m-K | — |
composite thermal conductivity at ~35 phr filler loading | ≥ 27 W/m-K | — |
Thickness | 5–500 µm | — |
Thickness | 5–500 nm | — |
— | 500–2500 W | — |
— | 700–2200 W | — |
Pressure | 7–40 pa | — |
Pressure | 15–35 pa | — |
Pressure | 30–35 pa | — |
— | ≥ 5 W | — |
— | ≥ 7 W | — |
— | ≥ 40 W | — |
— | ≥ 27 W | — |