Invention Grant
US09363883B2 Printed circuit board and method for manufacturing same 有权
印刷电路板及其制造方法

Printed circuit board and method for manufacturing same
Abstract:
A printed circuit board according to an embodiment of the present invention includes an insulating layer, a pad formed on the insulating layer and exposed through an opening section of a solder resist, a bump formed by filling an opening portion of the solder resist from top of the pad and having an narrow width than the opening of the solder resist.
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