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公开(公告)号:US09773752B2
公开(公告)日:2017-09-26
申请号:US15221164
申请日:2016-07-27
Applicant: Samsung Electronics Co., Ltd.
Inventor: Seung-hyun Baik , Cheol-woo Lee , Wan-ho Park
IPC: H01L25/065 , H01L23/00 , H01L23/31
CPC classification number: H01L25/0652 , H01L23/3128 , H01L24/06 , H01L25/0657 , H01L2224/0401 , H01L2224/04042 , H01L2224/32145 , H01L2224/32225 , H01L2224/48091 , H01L2924/15192 , H01L2924/15311
Abstract: A printed circuit board (PCB) for reducing a size of a semiconductor package and a semiconductor package including the same are provided. The PCB includes a substrate base including a chip attach area disposed on a top thereof, a top pad and a bottom pad respectively disposed on the top and a bottom of the substrate base, a first top solder resist layer formed on the top of the substrate base and including a first pad opening corresponding to the top pad and covering the chip attach area, a second top solder resist layer formed on the first top solder resist layer and including a second pad opening corresponding to the top pad and a chip attach opening corresponding to the chip attach area, and a bottom solder resist layer formed on the bottom of the substrate base and including a third pad opening corresponding to the bottom pad.