发明名称 |
Optical cutting method and optical cutter |
摘要 |
An optical cutting method includes a step of detecting a center position on a sheet film with a position-detecting light flux; and a step of cutting out a disk film from the sheet film by projecting a cutting laser beam along circumference of a substantially circular form around the detected center position.
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申请公布号 |
US5231262(A) |
申请公布日期 |
1993.07.27 |
申请号 |
US19920938568 |
申请日期 |
1992.08.31 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
MATSUMURA, SUSUMU;YASHIMA, MASATAKA;SANTOH, TSUYOSHI;KANOME, OSAMU;MATSUMOTO, KAZUYA |
分类号 |
B23K26/02;B23K26/067;B23K26/08;G11B7/26;G11B23/00 |
主分类号 |
B23K26/02 |
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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