| 摘要 |
PROBLEM TO BE SOLVED: To improve the accuracy of the external form of a partitioned printed wiring board. SOLUTION: On the main body of the partitioned printed wiring board, a plurality of wiring areas, in each of which printed wiring is formed is continuously formed in a state where the wiring areas can be partitioned in a partitioning area provided between the wiring areas, at the same time, the wiring areas are covered with cover lay films and the partitioning area is not covered with the films. Slits are formed at both ends substantially at the center lone; and at the same time, partition assisting holes, having diameters smaller than the widths of the slits, are formed through the body of the wiring board along a line, drawn through the center of the partitioning area or its vicinity.
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