The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 09, 2021

Filed:

Mar. 30, 2020
Applicant:

Lumentum Japan, Inc., Kanagawa, JP;

Inventors:

Hiroyoshi Ishii, Kanagawa, JP;

Tetsuya Aoki, Kanagawa, JP;

Koichi Takahashi, Kanagawa, JP;

Assignee:

Lumentum Japan, Inc., Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/42 (2006.01); H05K 7/14 (2006.01); H04B 10/40 (2013.01); H05K 7/20 (2006.01); H04B 10/25 (2013.01);
U.S. Cl.
CPC ...
G02B 6/4269 (2013.01); G02B 6/426 (2013.01); G02B 6/4246 (2013.01); H04B 10/40 (2013.01); H05K 7/14 (2013.01); H05K 7/2039 (2013.01); H04B 10/25891 (2020.05);
Abstract

An optical module includes at least one optical sub-assembly; at least one control circuit configured to control the at least one optical sub-assembly; and a housing including a first case and a second case, wherein the optical module is configured to be plugged in and unplugged from an optical transmission equipment including a heat sink provided at a joining portion with the first case, wherein, through fitting of the first case and the second case, the housing accommodates the at least one optical sub-assembly and the at least one control circuit inside the housing, and wherein a material of the first case has a thermal conductivity higher than a material of the second case.


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