| 摘要 |
PROBLEM TO BE SOLVED: To easily position an optical fiber with high accuracy relative to the external shape of a ferrule at its end. SOLUTION: By a thin film process, a positioning plate 10 is prepared in which a hole for fitting the end of a ferrule 20 is formed on the rear of the plate with a hole forming member 14, and in which a square hole 12a for positioning an optical fiber corresponding to the optical fiber holding hole 22a of the ferrule 20 is provided penetratingly through the bottom of the fitting hole. A prescribed part (e.g. downward corner part) of the positioning hole 12a is specified as a contact part with which an optical fiber 24a comes into contact relative to the external shape 20a of the ferrule. The end of the ferrule 20 is engaged with the fitting hole of the positioning plate 10, and in a state where the optical fiber 24a is inserted into the holding hole 22a, and the positioning hole 12a, the optical fiber 24a is brought into contact with the contact part of the positioning hole 12a; and, in this contact state, the optical fiber 24a is fixed at the positioning plate 10 by means of an adhesive or the like.
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