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:
Sep. 08, 2009
Filed:
Jul. 08, 2005
Applicants:
Masahiro Yoshida, Kagoshima, JP;
Yasuo Hatate, Kagoshima, JP;
Tsugumitsu Sarata, Kagoshima, JP;
Yoshimitsu Uemura, Kagoshima, JP;
Tomoyuki Honda, Kagoshima, JP;
Inventors:
Masahiro Yoshida, Kagoshima, JP;
Yasuo Hatate, Kagoshima, JP;
Tsugumitsu Sarata, Kagoshima, JP;
Yoshimitsu Uemura, Kagoshima, JP;
Tomoyuki Honda, Kagoshima, JP;
Assignee:
Yamato Electronic Co., Ltd., , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 8/24 (2006.01); C03C 8/14 (2006.01); C03C 8/08 (2006.01); C03C 8/04 (2006.01); C03C 3/16 (2006.01); C03C 3/21 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lead-free glass material for use in sealing, which has a glass composition being free of lead and exhibits high performance in the range of choices for the material to be sealed, the sealing processability, the sealing quality and the like, has a glass composition including four types of metal oxides of VO, ZnO, BaO and POas essential ingredients.