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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING LENSED OPTICAL FIBER AND CUTTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/003979
Kind Code:
A1
Abstract:
A lensed optical fiber in which a rod-shaped GRIN lens is fused at the distal end of an optical fiber is manufactured with good productivity and high quality by executing: a step for fusing together an optical fiber 2 held by a fiber holder 20 and a GRIN lens 3 held by a lens holder 30 with the distal ends thereof abutting each other; a step for moving the lens holder 30 in the direction away from the fiber holder 20, while relaxing the holding force of the lens holder 30, and reholding the GRIN lens 3; and a step for cutting the GRIN lens 3 with a length equal to the movement distance of the lens holder 30.

Inventors:
MISU NAOKI (JP)
Application Number:
PCT/JP2018/023103
Publication Date:
January 03, 2019
Filing Date:
June 18, 2018
Export Citation:
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Assignee:
TOYO SEIKAN GROUP HOLDINGS LTD (JP)
International Classes:
G02B6/02; G02B6/25; G02B6/32
Domestic Patent References:
WO2004053547A12004-06-24
Foreign References:
JP2003227963A2003-08-15
US6014483A2000-01-11
JP2001059916A2001-03-06
US5095519A1992-03-10
JP2003227963A2003-08-15
JP4037346B22008-01-23
JP4659137B12011-03-30
Other References:
See also references of EP 3647841A4
Attorney, Agent or Firm:
HEIWA INTERNATIONAL PATENT OFFICE (JP)
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