Invention Application
US20100132985A1 Printed circuit board having metal bump and method of manufacring the same 有权
具有金属凸块的印刷电路板及其制造方法

Printed circuit board having metal bump and method of manufacring the same
Abstract:
The invention relates to a printed circuit board having metal bumps which are of even heights and are directly connected to a circuit pattern without using additional bump pads thus allowing an arrangement thereof at fine pitches.
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