| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of effectively utilizing an animal bone which is discharged in a large quantity from a meat industry, etc. and in which incineration processing is performed as a waste. SOLUTION: A carbon component contained much in an animal bone is separated. This carbon component obtained by the separating is vaporized by a microwave or high-frequency heating, plasma processed, a diamond-like carbon film is made to form in a substrate front face using etching hardening of a hydrogen atom, to beautiful accessories. COPYRIGHT: (C)2007,JPO&INPIT
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