Method of preparing CRT funnel glass capable of effectively...

Details Method of preparing CRT funnel glass capable of effectively... Method of preparing CRT funnel glass capable of effectively...

2005-03-15

2005-03-15

Group, Karl (Department: 1755)

Glass manufacturing

Processes

With destruction or delamination of transitory attached or...

C065S028000, C313S47700R, C313S480000, C445S002000, C501S060000, C501S062000, C501S069000, C501S070000

Reexamination Certificate

active

06865909

ABSTRACT:
A method for producing CRT funnel glass having a glass composition containing MgO, CaO, SrO, BaO and ZnO as essential components. Further, the total content of MgO, CaO, SrO, BaO and ZnO falls within a range of 5 to 13 mass %. As a glass material of the CRT funnel glass, CRT panel glass or CRT neck glass may be used. The method comprises preparing the glass material so as to contain MgO, CaO, SrO, BaO, and ZnO as essential components and so that the total content of MgO+CaO+SrO+BaO+ZnO falls within a range of 5 to 13 mass %; and melting the glass material.

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European Search Report.

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