| 摘要 |
A semiconductor device includes a multiplayer substrate with a cavity, a semiconductor chip in the cavity, wiring lines with lands, a cover of a material, covering the semiconductor chip and having a protruding part, and chips bonded to the wirings lines with a solder having a low melting point. The protruding part has a height from the surface of the multiplayer substrate greater than the thickness of the wiring layer.
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