| 摘要 |
An optical module 1 includes an optical component 30 , a body 10 incorporating an optical element 14 , and a metallic sleeve 40 having a tubular shape. The optical component 30 includes a nonmetallic ferrule 32 having an optical fiber insertion hole 36 , and a metallic holder 34 which covers part of the ferrule 32 . In this optical module 1 , part of the holder 34 is inserted into the sleeve 40 , and is positioned and welded to the sleeve 40 . The sleeve 40 is positioned to a tubular portion 29 of the body 10 and welded thereto.
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