Optical transmission module and optical transmission apparatus

Abstract

An optical transmission module includes a receptacle-type optical part, a holder part, and a cover part. The receptacle-type optical part includes a resin molding and a device part. The resin molding is provided with a ferrule insertion hole extending in a first direction and a first fitting part in a surface perpendicular to the first direction. The holder part contains resin and includes a back surface plate provided with a second fitting part fitted to the first fitting part and an upper surface plate provided with a third fitting part provided in parallel to the first direction. The cover part is inserted along the first direction between the holder and receptacle-type optical part. The cover part includes an upper surface plate provided with a fourth fitting part capable of fitting to the third fitting part. The cover part is extractable along the first direction from a housed position.

Dependencies are inferred from the claim text.