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US 2006/0048544 A1Published application
Molding core
AssigneeAsia Optical Co., Inc.
InventorKun-Chih Wang
Life of this patent
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Abstract
A molding core includes: a core body having an article-shaping surface; and a hard coating formed on the article-shaping surface of the core body and including a diamond-like carbon film that includes carbon, oxygen, and at least one bonding-enhancing element which is selected from silicon, titanium, aluminum, tungsten, tantalum, chromium, zirconium, vanadium, niobium, hafnium, and boron, and which forms covalence bonding with the carbon and the oxygen.
Claims11
A molding core useful for molding a glass, comprising:
- a core body having an article-shaping surface;
- and
- a hard coating formed on said article-shaping surface of said core body and including a diamond-like carbon film that comprises carbon, oxygen, and at least one bonding-enhancing element which is selected from the group consisting of silicon, titanium, aluminum, tungsten, tantalum, chromium, zirconium, vanadium, niobium, hafnium, and boron, and which forms covalence bonding with the carbon and the oxygen.
Dependencies are inferred from the claim text.