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.
Patent No.:
Date of Patent:
Apr. 14, 2009
Filed:
Nov. 07, 2006
Applicants:
Kenichi Tamura, Hitachi, JP;
Ryuta Takahashi, Hitachi, JP;
Inventors:
Kenichi Tamura, Hitachi, JP;
Ryuta Takahashi, Hitachi, JP;
Assignee:
Hitachi Cable, Ltd., Chiyoda-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter module, has an excellent high temperature and high humidity resistance. The filter module includes an optical filter assembly including multilayer filters and transparent members that is dropped into a bore formed in a metallic base. An adhesiveis injected into a space between an inner wall of the bore and side surfaces of the optical filter assembly such that the edges of bonding surfaces of the multilayer filters and the transparent members are completely covered.