Title:
COMPOSITE OF GLASS SEAL
Document Type and Number:
Japanese Patent JPS52140523
Kind Code:
A
Abstract:
Low temperature, vitreous-crystalline seal glass compositions and a process for their preparation are described. The composition consists essentially of the following constituents in percent by weight: }Percent by Weight }PbO 63.5-64.6 }B2O3 13.0-13.9 }Bi2O3 1.2-1.5 }ZnO 11.4-11.9 }SiO2 2.4-2.8 }Al2O3 0.8-1.0 }Cu2O 4.3-5.8 }
Inventors:
JIMII RII PAUERU
Application Number:
JP3958277A
Publication Date:
November 24, 1977
Filing Date:
April 08, 1977
Export Citation:
Assignee:
IBM
International Classes:
C03C3/072; C03C3/074; C03C8/24; (IPC1-7): C03C3/08; C03C3/10; C03C3/30