Protection device for handling energy transients

Details Protection device for handling energy transients Protection device for handling energy transients

2007-10-09

2007-10-09

Tran, Minhloan (Department: 2826)

Active solid-state devices (e.g., transistors, solid-state diode

Avalanche diode

With means to limit area of breakdown

C257S355000, C257SE21356, C361S091500

Reexamination Certificate

active

11080274

ABSTRACT:
A protection device for handling energy transients includes a plurality of basic unit Zener diodes connected in series to achieve a desired breakdown voltage. Each of the basic unit Zener diodes is formed in a first-type substrate. Each of the basic unit Zener diodes comprises a second-type well formed in the substrate, a second-type Zener region formed in the second-type well and a first-type+ region formed over the second-type Zener region between a first and second second-type+ region.

REFERENCES:
patent: 3601632 (1971-08-01), Frazier
patent: 3635773 (1972-01-01), Thire
patent: 4672403 (1987-06-01), Jennings
patent: 5227781 (1993-07-01), Ninnis
patent: 5612562 (1997-03-01), Siaudeau et al.
patent: 5756387 (1998-05-01), Villa et al.
patent: 6605859 (2003-08-01), Romas et al.
patent: 2004/0179380 (2004-09-01), Yamashita

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