Pattern Enhancement Using a Gas Cluster Ion Beam

A method of processing a substrate includes loading the substrate on a substrate holder. The substrate includes a major surface and a feature disposed over the major surface. The feature has a first width along an etch direction. The method includes exposing portions of the major surface and changin...

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Bibliographische Detailangaben
Hauptverfasser: Kambara, Hiromitsu, Nishino, Masaru, Okabe, Noriaki, Kosaka, Reo, Gwinn, Matthew, Natori, Sakurako, Dobashi, Kazuya, Fernandez, Luis, Oyama, Kenichi
Format: Patent
Sprache:eng
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Zusammenfassung:A method of processing a substrate includes loading the substrate on a substrate holder. The substrate includes a major surface and a feature disposed over the major surface. The feature has a first width along an etch direction. The method includes exposing portions of the major surface and changing the first width of the feature to a second width along the etch direction by etching a first portion of the sidewalls of the feature with a gas cluster ion beam oriented along a beam direction.