Patent ID: 6785475
Filing Date: 2004-08-31
Classification: G02B,H04B

Abstract:
An optoelectronic transceiver, comprising:a first PCB, including a first upper surface, a first lower surface and a plurality of pins, the first upper surface having a circuit, the pins protruding from the first lower surface; a transmitting device, formed on the first PCB, the transmitting device comprising: a second PCB; a laser diode chip, formed on the second PCB, the laser diode chip being electrically coupled to the circuit, the laser diode chip responding to an electrical signal coming from the circuit to output a laser beam; a first sleeve, having a first cambered surface and a second cambered surface formed at opposite terminals, the first sleeve covering the laser diode chip and the second PCB, the first cambered surface aligned with the optical output path such that the laser beam can go straight forward along the first sleeve, the second cambered surface focusing the laser beam; a receiving device, formed on the first PCB, the receiving device comprising: a third PCB; a photo diode chip, formed on the third PCB, the photo diode chip being electrically coupled to the circuit, the photo diode chip responding to an optical signal to output an electrical signal to the circuit; a second sleeve, having a third cambered surface and a fourth cambered surface formed at opposite terminals, the second sleeve covering the photo diode chip and the third PCB, the fourth cambered surface aligned with an optical input path of the photo diode chip, the fourth cambered surface aligning an optical signal to the second sleeve, and the third cambered surface focusing the optical signal on the photo diode chip; and a housing, covering the first PCB, the transmitting device and the receiving device.