Optical pickup projecting two laser beams from apparently...

Details Optical pickup projecting two laser beams from apparently... Optical pickup projecting two laser beams from apparently...

2005-08-30

2005-08-30

Epps, Georgia (Department: 2873)

Optical: systems and elements

Lens

With support

C359S833000, C359S719000, C359S718000, C369S044220, C369S112230

Reexamination Certificate

active

06937405

ABSTRACT:
An integrated type optical pickup module apparently approximates a plurality of light-emitting points of semiconductor lasers. An optical element is interposed between first and second semiconductor lasers. The optical element has first and second reflecting surfaces perpendicular to each other. The first and second reflecting surfaces reflect laser beams projected from the first and second semiconductor lasers, respectively. The optical element further has a mounting surface perpendicular to both the first and second reflecting surfaces. The optical element is mounted, via the mounting surface of the optical element, to a submount having a top surface on which the first and second semiconductor lasers are mounted. Heterojunction surfaces of the first and second semiconductor lasers may be substantially perpendicular to the first and second reflecting surfaces, respectively.

REFERENCES:
patent: 4835380 (1989-05-01), Opheij et al.
patent: 6034797 (2000-03-01), Ju et al.
patent: 11-039684 (1999-02-01), None

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