Fuji Electric Co., Ltd.

Yoshiaki Takahashi

A semiconductor device manufacturing method includes preparing a semiconductor chip and a conductive plate having a front surface that includes a disposition area on which the semiconductor chip is to be disposed, forming a supporting portion in a periphery of the disposition area of the conductive plate such that the supporting portion protrudes from a bottom of the disposition area in an upward direction orthogonal to the front surface of the conductive plate, bonding the semiconductor chip to the disposition area via bonding material applied to the disposition area, coating the front surface of the conductive plate, including the semiconductor chip and the supporting portion, with a coating layer, and after the coating, sealing the front surface of the conductive plate, including the semiconductor chip and the supporting portion, with sealing material.

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Nagano, Japan

Yoshiaki Takahashi