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:
Mar. 14, 2006
Filed:
Feb. 09, 2000
Applicants:
Takahiro Matano, Shiga, JP;
Akihiko Sakamoto, Shiga, JP;
Inventors:
Takahiro Matano, Shiga, JP;
Akihiko Sakamoto, Shiga, JP;
Assignee:
Nippon Electric Glass Co., Ltd., Otsu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A material for temperature compensation consists of a sinter produced by baking any of crystalline powder, crystallized glass powder, and partially crystalline glass powder. The sinter has a negative coefficient of thermal expansion and contains anisotropic crystals in terms of thermal expansion.