发明名称 |
Laser marking article and laser marking method |
摘要 |
The present invention relates to a laser marking article having two or more layers of thin films on the surface thereof, wherein one of the layers other than the outermost layer is a thin film made of a laser marking ground composition containing a laser beam-absorbing whitish inorganic compound powder and a binder as essential ingredients, and to a laser marking method comprising irradiating said laser marking article with a laser beam. According to the present invention, a vivid white-colored mark can be formed on the surface of an article even in case of low-energy laser irradiation or even in case of high-speed marking.
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申请公布号 |
US5897938(A) |
申请公布日期 |
1999.04.27 |
申请号 |
US19970778177 |
申请日期 |
1997.01.02 |
申请人 |
NIPPON KAYAKU KABUSHIKI KAISHA |
发明人 |
SHINMOTO, MASAKI;HAYASHIBARA, SHOITI;NISHITOH, MITSUYO |
分类号 |
B41M5/26;(IPC1-7):B32B7/12 |
主分类号 |
B41M5/26 |
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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