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.

Date of Patent:
Nov. 21, 2017

Filed:

Feb. 26, 2015
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Jiro Kasahara, Tokyo, JP;

Yoshiyuki Kondo, Tokyo, JP;

Shinya Ishii, Tokyo, JP;

Koichi Hamamoto, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/04 (2006.01); H01S 5/024 (2006.01); H01S 3/042 (2006.01); H01L 23/427 (2006.01);
U.S. Cl.
CPC ...
H01S 3/0407 (2013.01); H01L 23/427 (2013.01); H01S 3/04 (2013.01); H01S 3/042 (2013.01); H01S 5/024 (2013.01); H01S 5/02423 (2013.01); H01L 2924/0002 (2013.01);
Abstract

A laser-oscillation cooling device includes a laser excitation unit that excites a laser beam and locally emits heat, a storage tank that is capable of storing a cryogenic liquid at an atmospheric pressure and discharge the cryogenic liquid which is evaporated, a pressurization and supply unit that pressurizes the cryogenic liquid stored in the storage tank and supplies the pressurized cryogenic liquid to the laser excitation unit, and a decompression and return unit that decompresses the cryogenic liquid which is supplied to the laser excitation unit and used to cool the laser excitation unit and returns the cryogenic liquid to the storage tank.


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