Glass molding die, renewal method thereof, and glass fabricated by the molding die

摘要

A molding die for molding glass and renewal method thereof. The molding die includes a substrate, a nickel-phosphorous alloy layer, with phosphorous content 30 wt % or less, overlying the substrate, an intermediate layer overlying the nickel-phosphorous alloy layer, and a passivation film overlying the intermediate layer.