Patent ID: 8672562

Claim:
An optical transceiver, comprising: a metal housing including an optical receptacle for receiving an external optical connector and an electrical plug for communicating with a host system, the metal housing having aperture, a slit, and a longitudinal axis connecting the optical receptacle with the electrical plug; an optical subassembly installed in the metal housing, the optical subassembly having a package with a bottom member for mounting a semiconductor optical device, the bottom member extending along a direction intersecting the longitudinal axis of the metal housing; and a block thermally in contact with the bottom member of the optical subassembly and an inner surface of the metal housing, the block having a guide and a screw hole, wherein the block is movably assembled with the metal housing by passing the guide of the block through the aperture of the metal housing and a screw screwed in the screw hole of the block through the slit of the metal housing.