| 摘要 |
In an optical connector ferrule comprising an insertion opening through a bare fiber, from which the coating is removed, of one end of a coated optical fiber is inserted, a guide groove for guiding the bare fiber inserted through the insertion opening, a fiber hole into which the bare fibers guided by the guide groove is inserted, and an injection port through which adhesive for securing the coated optical fiber to the ferrule is injected, guide surfaces for guiding the bare fiber to the guide grooves are formed at sides of the guide groove. In the similar optical connector ferrule, there is provided an enlarged portion extending forwardly from a leading edge of the injection port in a fiber inserting direction and communicated with a filling space into which the adhesive is filled. Further, a ceiling surface of the enlarged portion is inclined downwardly forwardly from the injection port.
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