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. 24, 1991
Filed:
Apr. 27, 1990
Masahiko Ohji, Shiga, JP;
Norikazu Fukushima, Shiga, JP;
Nippon Electric Glass Co., Ltd., Otsu, JP;
Abstract
A powdery coating glass material essentially consists of V.sub.2 O.sub.5 5-35 wt. %, ZnO 33-60 wt. %, B.sub.2 O.sub.3 3-25 wt. %, SiO.sub.2 1-15 wt. %, Al.sub.2 O.sub.3 0-5 wt. %, and at least one element 2-20 wt. % selected from the group consisting of MgO, CaO, SrO, and BaO, which coating glass material has a softening point of 600.degree. C. or less. A coating glass composition is prepared by the above powdery coating glass material or a coating glass paste for use in a thick-film technique which contains the above powdery coating glass material. The prepared coating glass composition has a thermal expansion coefficient ranging from 55.times.10.sup.-7 /.degree.C. to 75.times.10.sup.-7 /.degree.C.
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