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:
Jan. 13, 2009
Filed:
Mar. 22, 2004
Yoichi Oikawa, Yokohama, JP;
Hirofumi Aota, Yokohama, JP;
Kazuaki Akimoto, Yokohama, JP;
Hideyuki Miyata, Kawasaki, JP;
Yumi Nakazawa, Legal Representative, Kanagawa, JP;
Yoichi Oikawa, Yokohama, JP;
Hirofumi Aota, Yokohama, JP;
Kazuaki Akimoto, Yokohama, JP;
Hideyuki Miyata, Kawasaki, JP;
Yumi Nakazawa, legal representative, Kanagawa, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An optical device module includes an optical device, a soaking unit fixed to one surface of the optical device, a heating/cooling unit fixed to one surface of the soaking unit, a heat-insulating unit fixed to one surface of the heating/cooling unit, and a package that houses the optical device, the soaking unit, the heating/cooling unit, and the heat-insulating unit and to which the heat-insulating unit is fixed. The heating/cooling unit heats the optical device using self-generated heat or cools the optical device via the soaking unit.