-
公开(公告)号:EP1540692A4
公开(公告)日:2009-04-22
申请号:EP03759297
申请日:2003-09-18
申请人: FEI CO
发明人: SCHOLTZ JACOB JOHANNES , KNOWLES WILLIAM RALPH , THIEL BRADLEY LAMAR , VAN VEEN GERARDUS , SCHROEMGES RENE PETER MARIE
IPC分类号: H01J37/244 , G01N23/00 , G01Q30/20 , G01Q70/10 , H01J20060101 , H01J37/00 , H01J37/26 , H01J37/28
CPC分类号: H01J37/26 , H01J37/244 , H01J2237/0045 , H01J2237/2448 , H01J2237/2605