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:
Nov. 06, 2007
Filed:
Nov. 01, 2005
Applicant:
Asahi Ide, Funabashi, JP;
Inventor:
Asahi Ide, Funabashi, JP;
Assignee:
Asahi Techno Glass Corporation, Funabashi-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 8/24 (2006.01); C03C 3/145 (2006.01);
U.S. Cl.
CPC ...
Abstract
A low melting glass, which contains substantially no lead and contains 70-90% of BiO, 1-20% of ZnO, 2-12% of BO, 0.1-5% of AlO, 0.1-5% of CeO, 0-5% of CuO, 0-0.2% of FeOand 0.05-5% of CuO+FeOin mass %, wherein a content of alkali metal oxides in the glass composition is less than 0.1%, and the glass does not crystallize by pre-baking at a sealing temperature or more, can be used for sealing later, and can suppress deterioration of a material such as platinum or platinum-rhodium to provide a stable melting operation for a long period.