Invention Application
US20070097154A1 Wiring board, method of manufacturing wiring board, and liquid ejection head 失效
接线板,制造布线板的方法和液体喷射头

Wiring board, method of manufacturing wiring board, and liquid ejection head
Abstract:
The wiring board has electrical wires of a prescribed pattern. More specifically, the wiring board has a substrate on which grooves are formed in the prescribed pattern, each of the grooves having an undercut part; and a conductive material which is disposed inside the grooves so as to serve as the electrical wires.
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