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:
Jul. 31, 2001
Filed:
Jan. 11, 2000
Applicant:
Inventors:
Hiroshi Takigawa, Kawasaki, JP;
Yuji Nishikawa, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23P 1/526 ;
U.S. Cl.
CPC ...
B23P 1/526 ;
Abstract
A cooling device of a laser diode array includes a stacking of a plurality of metal plate members formed with a branched groove pattern or apertures acting as a cooling water path, by a chemical etching process.