Semiconductor laser device, and optical pickup apparatus...

Details Semiconductor laser device, and optical pickup apparatus... Semiconductor laser device, and optical pickup apparatus...

2005-06-14

2005-06-14

Vannucci, James (Department: 2828)

Coherent light generators

Particular temperature control

Heat sink

Reexamination Certificate

active

06907053

ABSTRACT:
A semiconductor laser element and a protective wall surrounding the element are provided on the surface of a metal frame of a semiconductor laser device. Circumferential portions are provided on an outer periphery of the metal frame for rotating the optical axis of light originating from a light-emitting point of the semiconductor laser element to a direction along the surface of the metal frame. By way of a guide of an optical pickup base corresponding to the circumferential portions, the semiconductor laser device is mounted on the optical pickup base.

REFERENCES:
patent: 4594600 (1986-06-01), Arora
patent: 5748658 (1998-05-01), Nakanishi et al.
patent: 6454468 (2002-09-01), Yoon et al.
patent: 6624491 (2003-09-01), Waitl et al.
patent: 6-203403 (1994-07-01), None
patent: 2000-36117 (2000-02-01), None

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