C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 3/087 (2006.01) C03C 3/095 (2006.01) C03C 4/08 (2006.01)
Patent
CA 2107946
ABSTRACT GLASS COMPOSITIONS Process for manufacturing a glass composition suitable for use as a face plate far a cathode ray tube, said process including the steps of melting a batch of glass-forming components, refining the molten glass, and and forming the molten glass on a bath of molten tin into a finished glass composition in flat sheet form, wherein the melting and refining of the batch of glass-forming components is performed in the presence of a source of SO3 which acts as a primary refining agent, together with at least one of: (a) strontium titanate which acts as a foam de-stabiliser, or (b) an alkaline earth metal sulphide, or (c) sulphur as auxiliary refining agents. Glass compositions for use as face plates for cathode ray tubes.
Bartlett David R.
Dickinson Clive F.
Fyles Kenneth M.
Finlayson & Singlehurst
Pilkington Plc
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