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公开(公告)号：US20230352363A1
公开(公告)日：2023-11-02
申请号：US18017970
申请日：2021-07-13
发明人： Toru MAEDA , Miki MIYANAGA , Daisuke KONDO , Masayuki ITO , Shin-ichi YAMAGATA
IPC分类号： H01L23/373 , F28F21/08
CPC分类号： H01L23/3735 , F28F21/085 , F28F2255/06
摘要： A composite material includes a plurality of first layers and a plurality of second layers. The total number of the first and second layers is 5 or more. The first and second layers are stacked alternately in the thickness direction of the composite material, such that the first layer is located at each of the first and second surfaces. The first layers are formed from a metal material containing copper as a main component. The second layer includes a molybdenum plate and a coper filler. The molybdenum plate has first and second faces that are each an end face in the thickness direction, and a plurality of openings extending through the molybdenum plate from the first face to the second face.
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2.发明公开公开(公告)号：US20240304514A1
公开(公告)日：2024-09-12
申请号：US18268333
申请日：2021-12-22
发明人： Toru MAEDA , Miki MIYANAGA , Daisuke KONDO , Kei HIRAI , Masayuki ITO , Shin-ichi YAMAGATA
IPC分类号： H01L23/373 , B22F7/04 , B32B15/01 , H01L21/48
CPC分类号： H01L23/3735 , B22F7/04 , B32B15/01 , H01L21/4871
摘要： A composite material has a plate shape and has a first surface and a second surface. The second surface is opposite to the first surface. The composite material includes a plurality of first layers and at least one second layer. The first layers and the second layer are alternately layered along a thickness direction of the composite material such that the first layers are located at the first surface and the second surface. Each of the first layers is a layer including copper. The second layer is a layer of a molybdenum powder compact impregnated with copper. A compressive residual stress of 50 MPa or less acts on each of the first layer located at the first surface and the first layer located at the second surface.
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