发明名称 |
Verfahren und Vorrichtung zur Prüfung des Zustandes eines Schutzglases bei der Laserbearbeitung |
摘要 |
The invention relates to a method and an apparatus for checking the condition of a protective glass (3) arranged between the workpiece (2) and the laser optics (1) in a laser machining system and through which protective glass the machining laser beam (6) is arranged to pass. A photo-detector (8) is arranged in connection with the protective glass (3) to detect radiation scattered by dirt and dust particles (5) on the protective glass surface. |
申请公布号 |
DE69837379(D1) |
申请公布日期 |
2007.05.03 |
申请号 |
DE1998637379 |
申请日期 |
1998.01.23 |
申请人 |
PERMANOVA LASERSYSTEM AB |
发明人 |
ROOS, SVEN-OLOV;TORSTENSSON, PER-ARNE |
分类号 |
G01N21/94;B23K26/00;G01N21/88 |
主分类号 |
G01N21/94 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|