Abstract
A glass ceramic seal contains by weight, on an oxide basis 40-60% of SiO2, 25-28% of BaO, 10-20% of B2O3, 8-12% of Al2O3, 0-2 % of ZrO2, 0-1% of Y2O3, 0-1% of CaO, and 0-1% of MgO.
Full Text
What is claimed is:
A glass ceramic seal contains by weight, on an oxide basis 40-60% of SiO2, 25-28% of BaO, 10-20% of B2O3, 8-12% of Al2O3, 0-2 % of ZrO2, 0-1% of Y2O3, 0-1% of CaO, and 0-1% of MgO.
Timeline
Filed
03/06/2026Published
07/09/2026Granted
Not AvailableIPC Codes(4)
C03C 8/02:Frit compositions, i.e. in a powdered or comminuted form
C03C 8/24:Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders
C03C 10/00:Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition