发明申请
US20150195911A1 PRINTED CIRCUIT BOARD 审中-公开
印刷电路板

PRINTED CIRCUIT BOARD
摘要:
A printed circuit board includes: a substrate; a land that is disposed on a surface of the substrate, and includes a central portion and a plurality of extended portions, the central portion having the same shape and the same size as a land of a surface mount device, and the extended portions being up-and-down symmetry and right-and-left symmetry with respect to a straight line which passes through the center of the central portion; gaps that are disposed on the surface of the substrate, each of the gaps being disposed on a periphery of the central portion and between the extended portions; and a resist that is disposed on the surface of the substrate, and has an opening portion formed at a position corresponding to the central portion and the gaps.
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