Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kunihiko Kano0
Kumiko Himei0
Date of Patent
July 3, 2018
0Patent Application Number
149107250
Date Filed
July 31, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A bismuth-based glass composition includes as a glass composition, in terms of mass %, 55% to 80% of Bi2O3, 15% to 35% of SiO2, 0% to less than 3% of ZrO2, 0% to 5% of B2O3, and 0% to less than 8% of ZnO, and has a mass ratio SiO2/ZrO2 of more than 6.7.
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