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:
Oct. 12, 2010
Filed:
Mar. 17, 2005
Ken-ichi Nakatate, Sakura, JP;
Tomoaki Toriya, Sakura, JP;
Manabu Kudoh, Sakura, JP;
Katsuyuki Seto, Sakura, JP;
Takashi Tsumanuma, Sakura, JP;
Ken-ichi Nakatate, Sakura, JP;
Tomoaki Toriya, Sakura, JP;
Manabu Kudoh, Sakura, JP;
Katsuyuki Seto, Sakura, JP;
Takashi Tsumanuma, Sakura, JP;
Fujikura Ltd., Tokyo, JP;
Abstract
An optical fiber bundle unit is provided for transmitting ultraviolet light in which the increase of the transmission loss caused by radicals generated in the optical fiber by irradiation or transmission of ultraviolet light is suppressed and a stable energy state is maintained even after the irradiation or transmission of ultraviolet light. The optical fiber bundle unit for transmitting ultraviolet light includes an optical fiber bundle and a sealed container in which the optical fiber bundle is held. A diffusion of hydrogen gas is suppressed by putting the optical fiber bundle pretreated in a hydrogen atmosphere into the sealed container, followed by filling the sealed container with a mixed gas including a hydrogen gas and a gas which is not combustible, will not support combustion, and will not explode.