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公开(公告)号:US20240321801A1
公开(公告)日:2024-09-26
申请号:US18614053
申请日:2024-03-22
发明人: Haiying CHEN , Lin LIU , Meng MEI , Jifeng LI , Jian WANG
IPC分类号: H01L23/00
CPC分类号: H01L24/16 , H01L24/11 , H01L24/13 , H01L24/14 , H01L24/32 , H01L24/73 , H01L2224/117 , H01L2224/1183 , H01L2224/13022 , H01L2224/1414 , H01L2224/16055 , H01L2224/32225 , H01L2224/73204 , H01L2924/30107
摘要: Embodiments of the present disclosure provides a chip and a method of forming the same and a package structure, the chip includes a base substrate and conductive bumps located on the base substrate, a planar shape of each bump has a long axis and a short axis extending through a center of the bump, a length of the long axis is greater than that of the short axis, the conductive bumps include bump unit rows each of which includes initial bump units arranged along a first direction and a first expanded bump unit located between adjacent initial bump units; the bump unit rows are arranged in a second direction, with a second expanded bump unit disposed between adjacent bump unit rows, the conductive bumps include a first pattern, a second pattern and an additional pattern formed by corresponding bumps, and each having bumps with different rotation angles.
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公开(公告)号:US20240266245A1
公开(公告)日:2024-08-08
申请号:US18431780
申请日:2024-02-02
发明人: Sijie LI , Haixin HUANG , Meng MEI , Jifeng LI , Jian WANG
IPC分类号: H01L23/367 , H01L21/48
CPC分类号: H01L23/3675 , H01L21/4878
摘要: The embodiments of the disclosure provides a package structure and a manufacturing method thereof, the package structure includes: a die, including a substrate and a device layer, wherein the substrate has a front side and a back side opposite to each other in a first direction perpendicular to a main surface of the die, and the device layer is at the front side of the substrate; a thermal interface material layer, on the back side of the substrate; and a thermal dissipation component, attached to the die through the thermal interface material layer, the die further includes at least one of a heat dissipation filling structure and a substrate recess, the heat dissipation filling structure is embedded in the substrate and has an exposed part exposed at a sidewall of the substrate; the substrate recess is recessed from the back side of the substrate towards the device layer.
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