| 摘要 |
An electronic part module includes a wiring substrate, a passive device group of passive devices formed on the wiring substrate, and device chips mounted on the wiring substrate. Such an electronic part module is made in the following manner. First, a wiring substrate wafer is made, to include a plurality of electronic part module formation areas. Then, a plurality of passive devices are formed in each of the electronic part module formation areas on the wiring substrate wafer. Then, the device chips are formed on each of the electronic part module formation areas on the wiring substrate wafer. Finally, the wiring substrate wafer is divided.
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