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. 25, 2013
Filed:
Nov. 08, 2010
Masao Tachikura, Hitachi, JP;
Kazumasa Ohsono, Hitachi, JP;
Noribumi Shiina, Hitachi, JP;
Kanako Suzuki, Hitachi, JP;
Yoshikazu Namekawa, Hitachi, JP;
Kyoji Osozawa, Hitachi, JP;
Toshihiko Ishikawa, Hitachi, JP;
Masaru Ishikawa, Hitachi, JP;
Motoyoshi Nakamura, Hitachi, JP;
Masao Tachikura, Hitachi, JP;
Kazumasa Ohsono, Hitachi, JP;
Noribumi Shiina, Hitachi, JP;
Kanako Suzuki, Hitachi, JP;
Yoshikazu Namekawa, Hitachi, JP;
Kyoji Osozawa, Hitachi, JP;
Toshihiko Ishikawa, Hitachi, JP;
Masaru Ishikawa, Hitachi, JP;
Motoyoshi Nakamura, Hitachi, JP;
Hitachi Cable, Ltd., Tokyo, JP;
Abstract
An optical fiber that has no bubbles in the ultraviolet ray curable resin filled inside the air holes to seal the end parts thereof, an end part processing method of the optical fiber, and an end part processing apparatus of the optical fiber, are provided. In an end part processing method of an optical fiber that is comprised of a core and a cladding formed around the core, the cladding having a refraction index lower than that of the core and has a plurality of air holes formed therein along the axis of the core, wherein the end part process of the optical fiber is to form sealed portions on the ends of the air holes by sealing them with ultraviolet ray curable resin, the method is characterized in that the sealed portion is formed by heating the end of the optical fiber.