Protection circuit for semiconductor laser device

Details Protection circuit for semiconductor laser device Protection circuit for semiconductor laser device

2005-05-17

2005-05-17

Leja, Ronald (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

C361S111000

Reexamination Certificate

active

06894880

ABSTRACT:
A resistor is connected in series with a semiconductor laser device, while, on both sides of this resistor, a first capacitor and a second capacitor are connected in parallel with the semiconductor laser device so as to be arranged in π-type configuration, thereby achieving a high electrostatic breakdown voltage.

REFERENCES:
patent: 3938172 (1976-02-01), Lockwood
patent: 4974229 (1990-11-01), Egawa
patent: 5065226 (1991-11-01), Kluitmans et al.
patent: 5548291 (1996-08-01), Meier et al.
patent: 6292500 (2001-09-01), Kouchi et al.
patent: 6346564 (2002-02-01), Kubota et al.
patent: 60-38894 (1985-02-01), None
patent: 61-107783 (1986-05-01), None
patent: 3-283482 (1991-12-01), None
Semiconductor Data Book, p. 18, 1998 (partial translation provided).

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