Press-molding die, method for manufacturing the same and glass a

Details Press-molding die, method for manufacturing the same and glass a Press-molding die, method for manufacturing the same and glass a

1998-02-19

2000-09-19

Silverman, Stanley S.

Glass manufacturing

Press molding machine

65 26, 65 36, 65305, 6537411, 249116, 428633, C03B 3500, C03B 2320, C03B 3308, C03B 1100, C03B 1316

Patent

active

061194859

ABSTRACT:
A press-molding die comprises a base material, an intermediate layer formed on a surface of the base material and a protective layer formed on the intermediate layer. The base material comprises an inorganic oxide. The intermediate layer comprises a material that adheres to both the base material and the protective layer and is heat resistant at high temperatures wherein the die is used. The protective layer comprises at least one metal film selected from the group consisting of tungsten (W), platinum (Pt), palladium (Pd), rhodium (Rh), ruthenium (Ru), iridium (Ir), osmium (Os), rhenium (Re), tantalum (Ta) and alloys thereof.

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Communication from European Patent Office and attached Search Report.

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