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Metrology Tools as Basis for Photo Mask Repair and Mask ...

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Electron beam induced deposition <strong>and</strong> etching<br />

Deposition<br />

Etching<br />

Adsorption of precursor molecules:<br />

• Exposure with electron beam<br />

• Reaction <strong>and</strong> immobilization of precursor Deposition<br />

• Reaction with substrate <strong>and</strong> volatilization Etching<br />

Carl Zeiss SMS GmbH, Klaus Edinger<br />

03/27/2013 14

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