Coherent light generators – Particular active media – Semiconductor
Reexamination Certificate
2006-12-05
2008-11-18
Nguyen, Dung T (Department: 2828)
Coherent light generators
Particular active media
Semiconductor
C372S043010, C372S050124
Reexamination Certificate
active
07453915
ABSTRACT:
An optical semiconductor element includes: a surface-emitting type semiconductor laser that emits laser light; and an electrostatic breakdown protection element that is provided on an optical path of the laser light emitted from the surface-emitting type semiconductor laser, absorbs a portion of the laser light, and protects the surface-emitting type semiconductor laser from electrostatic destruction.
REFERENCES:
patent: 6977424 (2005-12-01), Walker et al.
patent: 2005/0271107 (2005-12-01), Murakami et al.
patent: 2004-006548 (2004-01-01), None
patent: 2005-197513 (2005-07-01), None
patent: 2006-033106 (2006-02-01), None
patent: 2006-066846 (2006-03-01), None
Harness & Dickey & Pierce P.L.C.
Nguyen Dung T
Seiko Epson Corporation
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