发明申请
- 专利标题: Apparatus for Inspecting a Wafer
- 专利标题(中): 检查晶圆的装置
-
申请号: US11422182申请日: 2006-06-05
-
公开(公告)号: US20070013902A1公开(公告)日: 2007-01-18
- 发明人: Henning Backhauss , Albert Kreh , Christof Krampe-Zadler
- 申请人: Henning Backhauss , Albert Kreh , Christof Krampe-Zadler
- 申请人地址: DE Wetzlar
- 专利权人: VISTEC SEMICONDUCTOR SYSTEMS GMBH
- 当前专利权人: VISTEC SEMICONDUCTOR SYSTEMS GMBH
- 当前专利权人地址: DE Wetzlar
- 优先权: DE102005033036.3 20050715
- 主分类号: G01N21/88
- IPC分类号: G01N21/88
摘要:
The present invention relates to an apparatus and method for automatically inspecting a wafer, having a light source and an illumination optics for illuminating the wafer for inspection, wherein the illumination optics comprises a variable gray filter for adjusting the illumination power.
信息查询