| 摘要 |
A multiple patterning wiring board includes a base substrate including a plurality of wiring board regions arranged in rows and columns, the wiring board regions each including an electronic component mounting region in a center portion thereof, a dividing groove at borders between wiring board regions in one main face of the base substrate, a lid member bonding region being formed between the electronic component mounting region and the dividing groove in the main face of the base substrate, and the lid member bonding region 1c including a groove, the groove having a width less than or equal to the width of the region and a depth that is less than a depth of the dividing groove.
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