| 摘要 |
PCT No. PCT/JP92/01213 Sec. 371 Date Nov. 16, 1993 Sec. 102(e) Date Nov. 16, 1993 PCT Filed Sep. 24, 1992 PCT Pub. No. WO93/20467 PCT Pub. Date Oct. 14, 1993.In optically coupling an optical fiber (8) inserted and fixed in a ferrule (10) to an optical device (12) provided in a housing (4), each part is mutually fixed by using a main ring (16) and a reinforcement ring (18), and a fixing point between the reinforcement ring (18) and the main ring (16) is positioned outside of a fixing point between the ferrule (10) and the main ring (16). With this constitution, the mechanical strength of an optical module can be improved, and the size of the optical module can be reduced.
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