| 发明名称 |
SEMICONDUCTOR LASER DEVICE |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a semiconductor laser device for performing the consistent laser beam machining by suppressing temperature rise of an optical element, and preventing damages of a piping member. <P>SOLUTION: A cooling water passage 10 is provided in an inner wall of a casing 5 of a semiconductor laser device, and temperature rise of an optical element caused by scattered laser beams 9 from a work 6 radiated on a condensing optical element 2 and a holder 3 thereof is prevented. <P>COPYRIGHT: (C)2004,JPO</p> |
| 申请公布号 |
JP2004130339(A) |
申请公布日期 |
2004.04.30 |
| 申请号 |
JP20020296206 |
申请日期 |
2002.10.09 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
NISHIMURA TETSUJI;OMATSU HIDEFUMI |
| 分类号 |
B23K26/06;H01S3/00;H01S5/00;(IPC1-7):B23K26/06 |
主分类号 |
B23K26/06 |
| 代理机构 |
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代理人 |
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| 地址 |
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