The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2006
Filed:
Mar. 30, 2001
Compact optical signal detecting mechanism and optical storage device having improved signal quality
Applicants:
Motomichi Shibano, Kawasaki, JP;
Akihiko Yabuki, Kawasaki, JP;
Inventors:
Motomichi Shibano, Kawasaki, JP;
Akihiko Yabuki, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical pickup including a stem; a substrate mounted on the stem; a laser diode mounted on, and electrically insulated from, the substrate; and a photodetector provided on the substrate for detecting return light from an object to be irradiated. The substrate is biased at a given voltage and has an insulating member opposed to the stem. The laser diode has a first electrode opposed to the substrate with a first insulating film, a conductor film, and a second insulating film interposed between the first electrode and the substrate.