Semi-conductor laser unit

Details Semi-conductor laser unit Semi-conductor laser unit

1991-06-14

1993-01-05

Epps, Georgia Y.

Coherent light generators

Particular temperature control

Heat sink

372 34, 372 50, 437 2, 437214, H01S 304

Patent

active

051777533

ABSTRACT:
A semi-conductor laser unit is provided which includes a substrate, and a laser chip bonded on the substrate through a submount so as to project laser beam towards the outside from a front cleavage face of the laser chip. The front cleavage face of the laser chip is covered by a transparent resin material, with a front face of the transparent resin material being formed into a smooth face. As a result, the beam characteristics and resistance against the environment for the semi-conductor laser are improved.

REFERENCES:
patent: 4745294 (1988-05-01), Kohashi et al.
patent: 4768081 (1988-08-01), Moeller
patent: 5052005 (1991-09-01), Tanaka et al.

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