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:
Jul. 18, 2017
Filed:
Oct. 20, 2014
Applicant:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Inventors:
Toru Shiragami, Shiga, JP;
Kentaro Ishihara, Shiga, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/14 (2006.01); C03C 8/24 (2006.01); C03C 3/145 (2006.01); C03C 8/04 (2006.01); H01L 51/44 (2006.01); H01L 51/52 (2006.01); B23K 26/18 (2006.01); B23K 26/20 (2014.01); B23K 26/211 (2014.01); H01L 31/0203 (2014.01);
U.S. Cl.
CPC ...
C03C 8/24 (2013.01); B23K 26/18 (2013.01); B23K 26/206 (2013.01); B23K 26/211 (2015.10); C03C 3/14 (2013.01); C03C 3/145 (2013.01); C03C 8/04 (2013.01); H01L 31/0203 (2013.01); H01L 51/448 (2013.01); H01L 51/5246 (2013.01); H01L 51/5253 (2013.01); H01L 2251/303 (2013.01); Y02E 10/549 (2013.01);
Abstract
Provided is a sealing material that easily converts laser light to thermal energy, exhibits satisfactory fluidity, and is conducive to a reduction in its melting point. The sealing material includes 54.9 vol % to 99.9 vol % of glass powder, 0 vol % to 45 vol % of refractory filler powder, and 0.1 vol % to 10 vol % of a laser absorbing material, in which the glass powder includes as a glass composition, in terms of the following oxides in mass %, 70% to 90% of BiO, 2% to 12% of BO, 1% to 15% of ZnO, 0.2% to 15% of CuO+FeO, and 0.1% to 20% of MgO+CaO+SrO+BaO.