Patent · US Expired

Semiconductor device with limiter diode

US5612564A · kind A · utility

19Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 6, 1995
Grant dateMar 18, 1997
Priority date
Expiry dateJan 6, 2015

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D89/611

Abstract

A semiconductor device with a metal-insulator-semiconductor transistor and a limiter or sacrifice diode has predetermined breakdown voltage and constant withstand voltage. The device includes a special well region underlying a drain portion or contacting an edge of a drain portion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.