U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Method of making fiber termination

Patent 5464361 Issued on November 7, 1995. Estimated Expiration Date: Icon_subject November 7, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Optical detector assembly and method
Patent #: 4264127
Issued on: 04/28/1981
Inventor: Schumacher ,   et al.

Universal optical waveguide alignment ferrule
Patent #: 4303304
Issued on: 12/01/1981
Inventor: Ruiz

Optical-fiber connector, centering device and method of manufacture of said connector
Patent #: 4330171
Issued on: 05/18/1982
Inventor: Malsot ,   et al.

Concentric optic termination utilizing a fixture
Patent #: 4362356
Issued on: 12/07/1982
Inventor: Williams ,   et al.

Methods of shaping contact lens
Patent #: 4458454
Issued on: 07/10/1984
Inventor: Barnett

Method for optically finishing connector-mounted optical fibers
Patent #: 4492060
Issued on: 01/08/1985
Inventor: Clark

Plastic optical fiber cable with ferrule
Patent #: 4695124
Issued on: 09/22/1987
Inventor: Himono ,   et al.

Methods of and apparatus for reconfiguring optical fiber connector components and products produced thereby
Patent #: 4721357
Issued on: 01/26/1988
Inventor: Kovalchick ,   et al.

Ferrule for optical connector
Patent #: 4729624
Issued on: 03/08/1988
Inventor: Kakii ,   et al.

Polishing machine for ferrule of optical fiber connector
Patent #: 4839993
Issued on: 06/20/1989
Inventor: Masuko ,   et al.

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Inventors

Assignee

Application

No. 708887 filed on 05/31/1991

US Classes:

451/28, ABRADING PROCESS451/41, Glass or stone abrading451/42Lens

Examiners

Primary: Rachuba, Maurina T.

Attorney, Agent or Firm

Foreign Patent References

  • 0262770 EP. 04/24/1988
  • 0264976 EP. 04/24/1988
  • 2002141 GB. 02/24/1979
  • 2049220 GB. 12/24/1980

International Class

B24B 001/00

Foreign Application Priority Data

1990-06-05 JP

Abstract

In a method of making an optical fiber termination which includes a ferrule consisting of a cylindrical pipe having a through hole at the center, the ferrule is finished in advance to a convex spherical surface. After the optical fiber inserted into and fixed to the ferrule, the end surfaces of the ferrule and the optical fiber are together ground and shaped.

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