Patent
1989-12-22
1991-05-28
Sikes, William L.
350 9621, G02B 636
Patent
active
050188216
ABSTRACT:
An optical connector ferrule comprises a capillary member, and a ferrule body. The capillary member is provided with a straight bore communicating from one end to the other end, and with a first slit and a second slit, respectively, for communicating the straight bore to the external of the capillary member. An auxiliary optical fiber is fixed in the straight bore of the capillary member, such that one end of the auxiliary optical fiber is aligned with the one end of the capillary member, and the other end of the auxiliary optical fiber is positioned on the central point of the first slit which is positioned on a side of the one end of the capillary member. An optical matching material is filled from the first slit into a portion of the straight bore which is limited by the second slit, thereby covering the inserted end of the auxiliary optical fiber. The capillary member is fixed in the ferrule body. An optical fiber is inserted from the second end into the capillary member to be fixed in the straight bore thereof. In this structure, the optical matching material does not propagate beyond the second slit. Therefore, the optical fiber is stably adhered to the inner surface of the straight bore of the capillary member.
REFERENCES:
patent: 4448483 (1984-05-01), Pyley, Jr.
patent: 4915471 (1990-04-01), Zimmermann et al.
patent: 4915472 (1990-04-01), Liu
Heartney Phan T.
NEC Corporation
Sikes William L.
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