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公开(公告)号：US12087661B2
公开(公告)日：2024-09-10
申请号：US17418826
申请日：2020-01-15
Inventor： Akihito Konishi , Norihiro Kawamura , Youji Shirato , Naoki Saitou
IPC: H05K7/20 , H01L23/373
CPC classification number: H01L23/3735
Abstract: An object of the present disclosure is to provide a heat conducting sheet that can be easily positioned and can absorb unevenness of a heat generating component and a heat radiating component to reduce thermal resistance, and an electronic device using the same. Heat conducting sheet includes rectangular graphite sheet and attachment sheet that covers graphite sheet, graphite sheet being exposed at least two opposite sides. Graphite sheet is exposed from between attachment sheets, a thickness of attachment sheet is made thinner than (T0−T1) where an initial thickness of graphite sheet is T0, and a thickness when a pressure of 100 kPa is applied to the graphite sheet is T1.
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公开(公告)号：US20230032968A1
公开(公告)日：2023-02-02
申请号：US17876168
申请日：2022-07-28
Inventor： Youji Shirato , Norihiro Kawamura , Yoshifumi Ilmuro
IPC: C08K3/04 , H01L23/373
Abstract: A graphite composite includes a graphite sheet having a void inside and a resin member. The void is partially filled by at least a part of the resin member in its entirety. The proportion of the resin member to the sum of the graphite sheet and the resin member is equal to or greater than 5% by mass. The graphite composite has a porosity equal to or greater than 50% by volume and equal to or less than 95% by volume.
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公开(公告)号：US12264228B2
公开(公告)日：2025-04-01
申请号：US17876168
申请日：2022-07-28
Inventor： Youji Shirato , Norihiro Kawamura , Yoshifumi Iimuro
IPC: C08K3/00 , C08K3/04 , H01L23/373
Abstract: A graphite composite includes a graphite sheet having a void inside and a resin member. The void is partially filled by at least a part of the resin member in its entirety. The proportion of the resin member to the sum of the graphite sheet and the resin member is equal to or greater than 5% by mass. The graphite composite has a porosity equal to or greater than 50% by volume and equal to or less than 95% by volume.
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公开(公告)号：US12225695B2
公开(公告)日：2025-02-11
申请号：US18098989
申请日：2023-01-19
Inventor： Youji Shirato , Naoki Saitou , Norihiro Kawamura
Abstract: An electrical device according to the present disclosure includes a heat generator, a heat dissipator, a thermal conductive sheet, and a thermal conductive fluid. The heat generator has a first surface. The heat dissipator has a second surface that faces the first surface. The thermal conductive sheet and the thermal conductive fluid are both interposed between the first surface and the second surface. The first surface and the second surface face each other in their respective counter regions. Each of the counter regions includes a first region and a second region when viewed in a direction in which the first and second surfaces face each other. The first region holds the thermal conductive fluid but does not receive the thermal conductive sheet. The second region is adjacent to the first region and receives the thermal conductive sheet.
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