Laser diode array with built-in current and voltage surge protec

Details Laser diode array with built-in current and voltage surge protec Laser diode array with built-in current and voltage surge protec

1997-12-15

2000-02-22

Healy, Brian

Coherent light generators

Particular active media

Semiconductor

372 38, 372 43, H01S 319

Patent

active

060288787

ABSTRACT:
Protection from current and voltage spikes is provided for a laser array by attaching a reverse diode laser array to shared contact pads before the first laser array is bonded to those pads. The arrangement provides for surge protection even during fabrication of the laser package where device failure results from power surges before surge protection circuitry is in place. Surge protection is afforded by having a reverse diode of the reverse diode array electrically in parallel with a corresponding laser diode of the protected array when activated.

REFERENCES:
patent: 5412675 (1995-05-01), Odagawa
patent: 5550852 (1996-08-01), Patel et al.
patent: 5636234 (1997-06-01), Takagi

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