Patent ID: 7200294
Filing Date: 2007-04-03
Classification: G02B,H01L,H01S,H05K

Abstract:
1. A light-transmitting module, comprising: a light-emitting module including a Peltier device, a laser diode, a package, a plurality of lead pins, and a thermistor, said laser diode being mounted on said Peltier device, said Peltier device controlling a temperature of said laser diode, said package having a CAN-type with a stem mounting said Peltier device with said laser diode, said lead pins extending from said stem, said thermistor being disposed immediately by said laser diode on said Peltier device, said thermister monitoring said temperature of said laser diode; a substrate for installing a plurality of electronic elements, said lead terminals being connected to said substrate; a heater disposed so as to heat up said light-emitting module and said substrate; and a housing for receiving said light-emitting module, said substrate and said heater therein.