This invention relates to a flexible printed circuit board that is used in connection with an optical transmitter, receiver or transceiver module. In one embodiment, the flexible printed circuit board has flexible metal layers in between flexible insulating layers, and the circuit board comprises: (1)...http://www.google.de/patents/US6867377?utm_source=gb-gplus-sharePatent US6867377 - Apparatus and method of using flexible printed circuit board in optical transceiver device
