| 摘要 |
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, nitrogen, 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 nitrogen.
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