| 摘要 |
PROBLEM TO BE SOLVED: To prevent the disconnection of a wiring pattern even when the width of the wiring pattern is made to be, for example, 1 mm or less to reduce the area of a printed wiring board. SOLUTION: In the printed wiring board in which a required circuit pattern is formed on one surface, a jumper wire 14 is mounted in parallel to the specific wiring pattern 13 of the circuit pattern on another surface corresponding to the specific wiring pattern 13. COPYRIGHT: (C)2004,JPO
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