Invention Application
US20120103662A1 Printed circuit board and manufacturing method thereof 审中-公开
印刷电路板及其制造方法

Printed circuit board and manufacturing method thereof
Abstract:
Disclosed herein are a printed circuit board including a first low-viscosity solder resist layer formed on one surface of a substrate having circuit patterns formed thereon and a second high-viscosity solder resist layer stacked on the first solder resist layer, thereby being advantageous in controlling the deviation in application thickness of solder resist (SR), while having excellent adhesion to the substrate, and a manufacturing method thereof.
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