Semiconductor device

Details Semiconductor device Semiconductor device

1990-04-10

1992-02-25

James, Andrew J.

357 42, 357 43, H01L 2910

Patent

active

050917609

ABSTRACT:
A semiconductor device includes a semiconductor substrate, a bipolar transistor and a MOS transistor. The bipolar transistor is formed on the semiconductor substrate and has electrodes. A base electrode of the bipolar transistor and the electrodes of the MOS transistor contain the same kind of impurity so as to form a single layer.

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