| 摘要 |
PROBLEM TO BE SOLVED: To provide the wiring method of conductor patterns formed on both sides of a wiring substrate main body by a very simple constitution. SOLUTION: The wiring substrate is provided with conductor patterns 11, 13, formed on both sides of the wiring substrate main body 2, in which penetrating wiring 6 is formed in the substrate, and the conductor patterns 11, 13 on both sides of the wiring substrate main body 2 are electrically connected to the penetrating wirings 6. COPYRIGHT: (C)2005,JPO&NCIPI
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