| US 7,476,038 B2 | ||
| Optical device module | ||
| Yoichi Oikawa, Yokohama (Japan); Hirofumi Aota, Yokohama (Japan); Kazuaki Akimoto, Yokohama (Japan); Hideyuki Miyata, Kawasaki (Japan); and Tadao Nakazawa, Kanagawa (Japan); Yumi Nakazawa, legal representative | ||
| Assigned to Fujitsu Limited, Kawasaki (Japan) | ||
| Filed on Mar. 22, 2004, as Appl. No. 10/805,481. | ||
| Claims priority of application No. 2003-362530 (JP), filed on Oct. 22, 2003. | ||
| Prior Publication US 2005/0089282 A1, Apr. 28, 2005 | ||
| Int. Cl. G02B 6/00 (2006.01); G02B 6/44 (2006.01) | ||
| U.S. Cl. 385—92 [385/94] | 24 Claims |
| 1. An optical device module comprising:
an optical device;
a soaking unit fixed to one surface of the optical device;
a heating/cooling unit fixed to one surface of the soaking unit, wherein the heating/cooling unit performs a function selected
from a group consisting of heating the optical device using self-generated heat and cooling the optical device by absorbing
heat;
only one heat-insulating layer, the heat-insulating layer being fixed to one surface of the heating/cooling unit; and
a package completely enclosing the optical device, the soaking unit, the heating/cooling unit, and the heat-insulating layer,
wherein the heat-insulating layer is fixed to only one surface of the package.
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