Fujitsu Corporation

Masahiro Mogi

Naoya Yamazaki

Yasushi Kojima

Jun Niekawa

Yoshio Nakamura

Hisao Enomoto

An optical module includes a laser device, a thermal conduction member, a Peltier device disposed between the laser device and the thermal conduction member, a heat radiation part, and a variable thermal-resistance device disposed between the thermal conduction member and the heat radiation part, the variable thermal-resistance device changing a thermal resistance between the thermal conduction member and the heat radiation part according to an ambient temperature.

Optical module

A sealed plate type metallic heat pipe is disclosed having multiple independent through holes which run through the inside of the heat pipe. All of the through holes are connected in fluid communication at each end. A working fluid is disposed in the through holes and a wire or a wire mesh is disposed in at least one of the through holes.

Growing community of inventors

Kawasaki, Japan

Masahiro Mogi