Patent ID: 9331789
Filing Date: 2016-05-03
CPC Classification: G02B,H04B

Claim Text:
1. A transmitter optical module, comprising: a semiconductor laser diode (LD) to emit light with a specific wavelength; a thermo-electric-controller (TEC) to control a temperature of the (LD), the TEC including a bottom plate and a post provided on the bottom plate; and a body portion configured to enclose the LD and the TEC therein hermetically, the body portion including an electrical plug made of multi-layered ceramics including a lowermost layer providing an electrical pad on a top surface thereof exposed within the body portion, the electrical pad supplying a current to the TEC through the post, wherein the post and the electrical pad are configured in side-by-side arrangement and electrically connected with a bonding wire, wherein the multi-layered ceramics of the electrical plug further includes a first ceramic layer providing an interconnection electrically connecting an inside of the body portion to an outside thereof, the interconnection of the first layer providing an electrical pad in an end outside of the body portion.