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:
Jun. 05, 2007
Filed:
Dec. 23, 2004
Motoyuki Fujimori, Suwa, JP;
Masami Murata, Shiojiri, JP;
Motoyuki Fujimori, Suwa, JP;
Masami Murata, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An optical device () includes an optical modulator holder () having a cooling chamber, in which cooling fluid is sealed therein, for holding the optical modulator in the thermally conductive state for the cooling fluid in the cooling chamber, a plurality of fluid circulating members () communicated to the cooling chamber of the optical modulator holder for guiding said cooling fluid to the outside of said cooling chamber and again guiding the cooling fluid to the inside of the cooling chamber, and a cooling fluid accumulating section provided in flow path of the cooling fluid of the plurality of fluid circulating members for accumulating therein the cooling fluid; in which the cooling fluid accumulating section includes a main tankand a fluid branching sectionprovided in the upstream of the cooling fluid against the optical modulator holder and a downstream-side cooling fluid accumulating section provided in the downstream of the cooling fluid against the optical modulator holder.