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:
May. 17, 2005
Filed:
Feb. 02, 2001
Hirofumi Miyajima, Hamamatsu, JP;
Hirofumi Kan, Hamamatsu, JP;
Toshio Naitoh, Hamamatsu, JP;
Hirokazu Ohta, Hamamatsu, JP;
Takeshi Kanzaki, Hamamatsu, JP;
Hirofumi Miyajima, Hamamatsu, JP;
Hirofumi Kan, Hamamatsu, JP;
Toshio Naitoh, Hamamatsu, JP;
Hirokazu Ohta, Hamamatsu, JP;
Takeshi Kanzaki, Hamamatsu, JP;
Hamamatsu Photonics K.K., Shizuoka, JP;
Abstract
A semiconductor laser stack apparatuscomprises three semiconductor lasersto, two copper platesand, two lead platesand, a supply tubea discharge tubefour insulating memberstoand three heat sinkstoHere, the heat sinktois formed by a lower planar memberformed with a supply water path groove portionan intermediate planar memberformed with a plurality of water guiding holesand an upper planar memberformed with a discharge water path groove portionwhich are successively stacked one upon another, whereas their contact surfaces are joined together. The heat sinktois provided with pillar piecesfor connecting the bottom face of supply water path groove portionand the lower face of intermediate planar memberto each other, and pillar piecesfor connecting the bottom face of discharge water path groove portionand the upper face of intermediate planar memberto each other.