Method of Lift-off Patterning Thin-Films In-Situ Employing Resist Phase Change
Method for making a patterned thin film of an organic semiconductor. The method includes condensing a resist gas into a solid film onto a substrate cooled to a temperature below the condensation point of the resist gas. The condensed solid film is heated selectively with a patterned stamp to cause local direct sublimation from solid to vapor of selected portions of the solid film thereby creating a patterned resist film. An organic semiconductor film is coated on the patterned resist film and the patterned resist film is heated to cause it to sublime away and to lift off because of the phase change.
Researchers
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method of lift-off patterning thin films in situ employing phase change resists
United States of America | Granted | 8,841,152
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