Patent ID: 7281864

Claim:
An optical transceiver inserted into a cage installed on a host system and optically coupling with an optical fiber by receiving an optical connector attached to the optical fiber, the optical transceiver comprising: an optical subassembly for converting between an optical signal and an electrical signal; a substrate for installing an electronic circuit electrically coupled with the optical subassembly; a heat dissipating member thermally coupled with the electronic circuit for conducting and radiating heat generated by the electronic circuit, the heat dissipating member including first and second surfaces opposite to each other; a frame made of resin for assembling the optical subassembly, the substrate and the heat dissipating member only by fitting, the frame including a pair of first type posts, a pair of second type posts and a groove, the first type posts transversely sandwiching the substrate and the second type posts longitudinally sandwiching the substrate, the first type posts each being accompanied by a beam extending longitudinally beneath the first type posts, the groove extending longitudinally in a center portion of the frame between the first type posts; and a metal cover for putting the optical subassembly, the substrate, the frame, and the heat dissipating member therein, wherein the first surface of the heat dissipating member comes in thermally contact to the electronic circuit and a greater part of the second surface exposes outside of the optical transceiver, and wherein the groove in the center portion of the frame facilitates to expand a space between tops of the first type posts for ensuring engaging force with the substrate by the beam.