Hitachi, Ltd.

Takeki Katsube

Tadao Kaji

A method of forming at least two electrodes of a portion of a semiconductor device, the portion including one or more semiconductor regions and being covered with an insulating protective film, comprises the steps of providing a hole for the first electrode in the insulating protective film, forming the first electrode through the hole, rendering the surface of the first electrode insulative, providing a hole for the second electrode in the insulating protective film by employing the insulative surface of the first electrode as at least a part of a mask, and forming the second electrode through the second-mentioned hole, whereby the electrodes are situated in close proximity with the insulative surface of the first electrode interposed therebetween.

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Kokubunji, Japan

Takeki Katsube