公开(公告)号：US20160209133A1

公开(公告)日：2016-07-21

申请号：US15084098

申请日：2016-03-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rui Hu ,  Liqian Zhai ,  Dong Wang ,  Shanjiu Chi ,  Jinshan Li ,  Zhigang Sun

IPC: F28F21/02 ,  B32B37/10 ,  B32B37/06 ,  F28F21/08

CPC classification number: F28F21/02 ,  B32B37/06 ,  B32B37/1018 ,  B32B37/142 ,  B32B2307/302 ,  F28F21/084 ,  H01L21/4882 ,  H01L23/373 ,  H01L23/3733 ,  H01L23/3735 ,  H01L23/3736 ,  H01L23/42 ,  H01L2924/0002 ,  H01L2924/00

Abstract: The present invention discloses a thermally conductive composite sheet, including a first aluminum alloy layer, at least one graphite sheet, an aluminum alloy frame, and a second aluminum alloy layer, where the aluminum alloy frame is provided with at least one opening; the graphite sheet is positioned inside the opening of the aluminum alloy frame; the aluminum alloy frame and the graphite sheet are sandwiched between the first aluminum alloy layer and the second aluminum alloy layer; the first aluminum alloy layer is diffusion-bonded to the graphite sheet and the aluminum alloy frame; the second aluminum alloy layer is diffusion-bonded to the graphite sheet and the aluminum alloy frame; and the graphite sheet is cladded by the first aluminum alloy layer, the second aluminum alloy layer, and the aluminum alloy frame, to form a unity.

Abstract translation: 本发明公开了一种导热复合片材，其包括第一铝合金层，至少一个石墨片，铝合金框架和第二铝合金层，其中铝合金框架设置有至少一个开口; 石墨片位于铝合金框架的开口内部; 铝合金框架和石墨片夹在第一铝合金层和第二铝合金层之间; 第一铝合金层扩散粘结到石墨片和铝合金框架上; 第二铝合金层被扩散粘合到石墨片和铝合金框架上; 并且石墨片被第一铝合金层，第二铝合金层和铝合金框架包覆以形成一体。