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US 7,591,151 B2Granted
Glass molding die and renewing method thereof
AssigneeAsia Optical Co., Inc.
InventorJui-Fen Pai
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Abstract
A glass molding die and renewing method thereof. The molding die for molding glass includes a substrate, a first noble metal layer overlying the substrate, a second noble metal layer overlying the first noble metal layer, a carbon-containing third noble metal layer overlying the second noble metal layer, and a DLC passivation film overlying the third noble metal layer. In addition, the carbon-containing third noble metal layer and the DLC passivation film can be easily renewed.
Claims13
A glass molding die, comprising:
- a substrate;
- a first noble metal layer overlying the substrate;
- a second noble metal layer overlying the first noble metal layer;
- a carbon-containing third noble metal layer overlying the second noble metal layer;
- and a DLC (diamond-like carbon) passivation film overlying the third noble metal layer;
- wherein the first noble metal layer comprises Ni-containing Ir—Re alloy.
3 more elements
Dependencies are inferred from the claim text.