Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

2006-02-07

2006-02-07

Tran, Thuy V. (Department: 2821)

Coherent light generators

Particular temperature control

Heat sink

C372S043010

Reexamination Certificate

active

06996143

ABSTRACT:
A semiconductor laser device has a laser chip, a stem having a block portion on which the laser chip is mounted, and a cap mounted on the stem so as to cover the block portion. The cap has a cutout portion into which the block portion is partially inserted. With this arrangement, the block portion is enlarged, so that the block portion is easily formed integrally with the stem to reduce the manufacturing cost of the stem, and that heat release is increased to improve operating lifetime and the temperature characteristic of the laser element.

REFERENCES:
patent: 5459573 (1995-10-01), Abe et al.
patent: 6181720 (2001-01-01), Kanemoto et al.
patent: 2003/0128725 (2003-07-01), Roddy et al.
patent: 2001-111152 (2001-04-01), None

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