| 摘要 |
An electronic parts built-in substrate of the present invention includes a wiring substrate having connecting pads, a first electronic parts a bump of which is flip-chip connected to the connecting pad, a second electronic parts having a larger area than an area of the first electronic parts a bump of which is flip-chip connected to the connecting pad arranged on an outside of a periphery of the first electronic parts and which is packaged at a predetermined interval over the first electronic parts, and a filling insulating body filled in a clearance between the first electronic parts and the wiring substrate and clearances between the second electronic parts and the first electronic parts and the wiring substrate, wherein the first electronic parts is buried in the filling insulating body.
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