发明授权
US5350886A Mounting substrate 失效
安装基板

Mounting substrate
摘要:
An LSI mounting substrate having a multilayered thin film wiring portion, with the thin film wiring portion being divided into wiring units each composed of a plurality of wiring layers, with the wirings between the units being electrically connected through connecting pads defined in the same surface as that of a surface conductive layer of the unit.
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