发明名称 |
Method of laser etching and product |
摘要 |
Background areas (A) are etched in opaque substrates (B) having smooth surfaces forming products carrying characters (C) of enhanced visibility by directing a laser beam (D) against opaque substrates while maintaining smooth surface areas free of the effects of the laser beam.
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申请公布号 |
US2005067390(A1) |
申请公布日期 |
2005.03.31 |
申请号 |
US20030675902 |
申请日期 |
2003.09.30 |
申请人 |
CROMER WILLIAM GARY |
发明人 |
CROMER WILLIAM GARY |
分类号 |
B23K26/40;B41M5/24;B44C1/22;(IPC1-7):B23K26/36 |
主分类号 |
B23K26/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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