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. 13, 2012
Filed:
Mar. 27, 2009
Applicant:
Asahi Ide, Chiyoda-ku, JP;
Inventor:
Asahi Ide, Chiyoda-ku, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 8/14 (2006.01); C03C 8/20 (2006.01); C03C 8/02 (2006.01); C03C 8/08 (2006.01); C03C 8/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a frit containing substantially no lead, which is applicable to a member having α of at most 50×10/° C. A frit comprising a low-melting point glass powder and a refractory filler powder, containing substantially no lead, having a thermal expansion coefficient of at most 50×10/° C., and being processable at 500° C. or lower, wherein the above low-melting point glass powder satisfies a softening pour point range of at least 30° C., and the above refractory filler powder satisfies the following relationship:1<S×ρ<10