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Title:
改善された耐水性を有する高膨張性接合用ガラスおよびその使用
Document Type and Number:
Japanese Patent JP6505303
Kind Code:
B2
Abstract:
The present disclosure relates to a bonding glass which has improved water resistance and has a coefficient of thermal expansion α(25-300) of from 14·10−6K−1 to 17·10−6K−1, comprising, in mol % on an oxide basis, 5-7 of B2O3, 10-14 of Al2O3, 36-43 of P2O5, 15-22 of Na2O, 12.5-20 of K2O, 2-6 of Bi2O3 and >0-6 of R oxide, where R oxide is an oxide selected from the group consisting of MnO2 and SiO2 and SnO2 and Ta2O5 and Nb2O5 and Fe2O3 and GeO2 and CaO. The bonding glass is free of PbO except for, at most, impurities. The bonding glass may have a glass transition temperature Tg of from 390° C. to 430° C. The present disclosure also relates to uses of this bonding glass.

Inventors:
Ina Mitra
Miriam Kunze
Linda Johanna Bartelt
The Blina Vimmer
Frank chlor
Hauke Ezeman
Beant hoppe
Yeak Witte
Application Number:
JP2018163179A
Publication Date:
April 24, 2019
Filing Date:
August 31, 2018
Export Citation:
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Assignee:
Schott AG
International Classes:
C03C3/19
Domestic Patent References:
JP2014511326A
JP2014522553A
JP2017112117A
JP2003238197A
JP58042170A
Foreign References:
US20030134194
US20130330600
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Ryoichi Shino
Morita Taku
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima