Patent · US Active

Overvoltage protection apparatus and an associated protection circuit

US7696591B2 · kind B2 · utility

0Cited by

3References

22Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Michael Schrenk · Dießen am Ammersee, DE
Christian Herzum · Starnberg, DE

Key dates

Filing date	Jul 25, 2007
Grant date	Apr 13, 2010
Priority date	—
Expiry date	Apr 24, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH10D8/00

Abstract

The invention relates to an overvoltage protection apparatus having a semiconductor substrate, a first doping region in order to provide a protection diode, and a second doping region in order to provide a protection resistance, with the second doping region being immediately adjacent to the first doping region.

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