Application No.: 17/050,429
`
`AMENDMENT TO THE CLAIMS
`
`The following claim listing replaces all prior listings and versions of the claims:
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`1. (Currently Amended) An electronic device comprising:
`
`LISTING OF CLAIMS
`
`a mount board;
`
`a heat generating componentprovided on the mount board;
`
`a pressing component provided abovethe heat generating component;
`
`a graphite-based carbon film provided between the heat generating componentand the
`
`pressing component, the graphite-based carbon film havinga first surface facing the heat
`
`generating component and a secondsurface facing the pressing component; and
`
`a liquid heat conductive material provided between the heat generating component and
`
`the graphite-based carbon film and between the pressing component and the graphite-based
`
`carbon film, wherein:
`
`the graphite-based carbon film has a thermal conductivity in a plane direction ofthe first
`
`surface, and the thermal conductivity in the plane direction of the first surface is larger than a
`
`thermal conductivity in a direction perpendicular to the first surface,
`
`the heat generating component is provided between the mount board and the pressing
`
`component,
`
`the heat generating componentand the graphite-based carbon film are sealed with the
`
`mount board and the pressing component by connecting the mount board andthe pressing
`
`component,
`
`the graphite-based carbon film is compressed by connecting the mount board and the
`
`pressing componentand heat generating component, and
`
`side surfaces of the graphite-based carbon film, which are disposed between thefirst
`
`surface and the second surface, are covered with the liquid heat conductive material.
`
`2. (Previously Presented) The electronic device according to claim 1, wherein:
`
`one or morefirst voids are formedat the first surface of the graphite-based carbon film
`
`facing the heat generating component, and one or more second voids are formed at the second
`
`surface of the graphite-based carbon film facing the pressing component,
`
`
`
`AMENDMENT TO THE CLAIMS
`
`The following claim listing replaces all prior listings and versions of the claims:
`
`1. (Currently Amended) An electronic device comprising:
`
`LISTING OF CLAIMS
`
`a mount board;
`
`a heat generating componentprovided on the mount board;
`
`a pressing component provided abovethe heat generating component;
`
`a graphite-based carbon film provided between the heat generating componentand the
`
`pressing component, the graphite-based carbon film havinga first surface facing the heat
`
`generating component and a secondsurface facing the pressing component; and
`
`a liquid heat conductive material provided between the heat generating component and
`
`the graphite-based carbon film and between the pressing component and the graphite-based
`
`carbon film, wherein:
`
`the graphite-based carbon film has a thermal conductivity in a plane direction ofthe first
`
`surface, and the thermal conductivity in the plane direction of the first surface is larger than a
`
`thermal conductivity in a direction perpendicular to the first surface,
`
`the heat generating component is provided between the mount board and the pressing
`
`component,
`
`the heat generating componentand the graphite-based carbon film are sealed with the
`
`mount board and the pressing component by connecting the mount board andthe pressing
`
`component,
`
`the graphite-based carbon film is compressed by connecting the mount board and the
`
`pressing componentand heat generating component, and
`
`side surfaces of the graphite-based carbon film, which are disposed between thefirst
`
`surface and the second surface, are covered with the liquid heat conductive material.
`
`2. (Previously Presented) The electronic device according to claim 1, wherein:
`
`one or morefirst voids are formedat the first surface of the graphite-based carbon film
`
`facing the heat generating component, and one or more second voids are formed at the second
`
`surface of the graphite-based carbon film facing the pressing component,
`
`
`
`Application No.: 17/050,429
`
`the one or morefirst voids and the one or more second voidsarefilled with the liquid
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`heat conductive material,
`
`whena first porosity is a ratio of a total area of the one or morefirst voids projected onto
`
`the first surface to an entire area of the first surface, the first porosity is less than or equal to 5%,
`
`and
`
`when a secondporosity is a ratio of a total area of the one or more second voidsprojected
`
`onto the second surface to an entire area of the second surface, the second porosity is less than or
`
`equal to 5%.
`
`3. (Previously Presented) The electronic device according to claim 1, wherein a
`
`compressibility of the graphite-based carbon film is more than or equal to 30% at a pressure of
`
`100 kPa.
`
`4. (Previously Presented) The electronic device according to claim 1, wherein the liquid
`
`heat conductive material has a kinematic viscosity at 25°C ranging from 2 cSt to 15 cSt
`
`inclusive.
`
`5. (Currently Amended) A method for manufacturing an electronic device, the method
`
`comprising:
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`preparing a mount board, on which a heat generating component is mounted, and a
`
`pressing component;
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`airanging a graphite-based carbon film on the heat generating component, wherein the
`
`graphite-based carbon film is coated with a liquid heat conductive material and hasa first
`
`surface, a second surface opposite to the first surface and side surfaces disposed between thefirst
`
`surface and the secondsurface, the side surfaces of the graphite-based carbon film [[being]] is
`
`covered with the liquid heat conductive material, the graphite-based carbon film has a thermal
`
`conductivity in a plane direction of the first surface, and the thermal conductivity in the plane
`
`direction of the first surface is larger than a thermal conductivity in a direction perpendicular to
`
`the first surface;
`
`arranging the pressing componenton the graphite-based carbon film;
`
`connecting the mount board and the pressing component;
`
`
`
`Application No.: 17/050,429
`
`sealing the heat generating component and the graphite-based carbon film with the mount
`
`board and the pressing component;
`
`compressing the graphite-based carbon film by the pressing component;
`
`forming one or morefirst voids at the first surface of the graphite-based carbon film
`
`facing the heat generating component, and forming one or more second voidsat the second
`
`surface of the graphite-based carbon film facing the pressing component; and
`
`by emitting an ultrasonic wave from a side of the pressing component and detecting a
`
`reflected wave ofthe ultrasonic wave, examiningafirst porosity and a second porosity, when the
`
`first porosity is a ratio of a total area of the one or morefirst voids projected onto the first surface
`
`to an entire area of the first surface, and the second porosity is a ratio of a total area of the one or
`
`more second voids projected onto the second surface to an entire area of the second surface.
`
`6. (Previously Presented) The method for manufacturing the electronic device according
`
`to claim 5, wherein
`
`whenthefirst porosity is greater than or equal to 5%, or the second porosity is greater
`
`than or equal to 5%, the electronic device is determined as a defective product.
`
`7. (Cancelled)
`
`8. (Previously Presented) The electronic device according to claim 1, wherein the liquid
`
`heat conductive material contains perfluoropolyether.
`
`9-14. (Cancelled)
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`15. (Previously Presented) The electronic device according to claim 1, wherein the
`
`pressing componentis fixed to the mount board by an adhesive.
`
`16. (New) The electronic device according to claim 1, wherein the graphite-based carbon
`
`is a pyrolytic graphite-based carbon.
`
`
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`Application No.: 17/050,429
`
`17. (New) The electronic device according to claim 1, wherein the graphite-based carbon
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`film is made of pyrolyzing a polyimidefilm.
`
`18. (New) The method for manufacturing an electronic device according to claim 5,
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`wherein the graphite-based carbon is obtained by pyrolyzing a polyimidefilm.
`
`
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