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US 6,887,118 B2Granted
Method for manufacturing a glass panel for a cathode ray tube
AssigneeKoninklijke Philips Electronics N.V.
InventorsGeorgius Petrus Jozef Kuin, Hermanus Nicolaas Tuin
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Abstract
A method for manufacturing a display tube includes press-forming molten glass in a mold, cooling the formed glass after it has been taken out from the mold, and reducing the temperature gradient between center and edge of the panel by reflecting heat radiation back to a central portion of the panel.
Claims9
A method for manufacturing a glass panel that includes a viewing window and peripheral side walls for a display tube, comprising:
- press-forming molten glass put in a mold;
- cooling the formed glass after it has been taken out from the mold;
- and
- reducing a temperature gradient between center and edge of the panel during said cooling by reflecting heat radiation back to a central portion of the panel.
1 more element
Dependencies are inferred from the claim text.