End-face polished ferrule and its method of manufacture

Details End-face polished ferrule and its method of manufacture End-face polished ferrule and its method of manufacture

1994-10-03

1995-10-31

Healy, Brian

Optical waveguides

With disengagable mechanical connector

Optical fiber/optical fiber cable termination structure

385 77, 385 78, G02B 636, G02B 625

Patent

active

054637090

ABSTRACT:
End face of a ferrule 100 is polished to form a conical surface 3 such that, central axis Ap of said conical surface 3 makes an inclination of 8.degree. with respect to central axis L of optical fiber insertion hole 4, top 3t of said conical surface 3 coincides with said central axis L and has a taper angle of 2.degree.. Because of this, while polishing an end of a optical fiber inserted and fixed inside said optical fiber insertion hole 4, a well balanced oblique spherical surface can be formed and the non-coincidence of the center of said oblique convex surface with the point where said oblique convex surface intersect with the optical axis of said optical fiber can be prevented.

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patent: 5193133 (1993-03-01), Schofield et al.
patent: 5245684 (1993-09-01), Terao et al.
patent: 5333223 (1994-07-01), Schofield et al.
patent: 5351327 (1994-09-01), Lurie et al.
patent: 5402508 (1995-03-01), O'Rourke et al.

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