Semiconductor device

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode

Reexamination Certificate

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Details

C257S355000, C257S357000

Reexamination Certificate

active

07064392

ABSTRACT:
In an N-channel type field effect transistor constituting an input/output protection circuit, an N-type well1awith a lower dopant concentration than the source region3cis formed under the source region3c.

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