| 摘要 |
PROBLEM TO BE SOLVED: To protect the optical coupling part of an optical module that is covered with a molding resin at manufacturing. SOLUTION: Whereas a ferrule 41 is equipped with an optical fiber 36 in the center of the surrounding cylindrical member 3 that supports the ferrule, and whereas an optical device 5 is equipped with an optical element in a sealed container 46 that has a light transmitting optical system on the optical path; an optical module is structured in the manner that the cylindrical members 3, 4 and the sealed container 46 are mutually joined, with the periphery covered with a molding resin, so that the optical element and the optical fiber are optically coupled with each other. In this optical module, there is formed a ventilation passage which communicates with the space between the ferrule 41 and the oppositely facing tip end of the cylindrical member 3 and the light transmitting optical system 37 of the sealed container 46 and which consists of an independent air-feeding passage 48 and discharging passage 49. |
