REPAIRING DEFECTS ON PHOTOMASKS USING A CHARGED PARTICLE BEAM AND TOPOGRAPHICAL DATA FROM A SCANNING PROBE MICROSCOPE

Topographical data from a scanning probe microscope or similar device is used as a substitute for endpoint detection to allow accurate repair of defects in phase shift photomasks using a charged particle beam system. The topographical data from a defect area is used to create a display of a semitran...

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Bibliographische Detailangaben
Hauptverfasser: SMITH, GERALD, FERRANTI, DAVID, C, MUSIL, CHRISTIAN R, RAY, VALERY
Format: Patent
Sprache:eng ; fre ; ger
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