Methanofullerenes

The present disclosure relates to novel methanofullerene derivatives, negative-type photoresist compositions prepared therefrom and methods of using them. The derivatives, their photoresist compositions and the methods are ideal for fine pattern processing using, for example, ultraviolet radiation,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XUE XIANG, PALMER RICHARD EDWARD, ATHANS DREW, FROMMHOLD ANDREAS, MCCLELLAND ALEXANDRA, ROBINSON ALEX PHILIP GRAHAM, PREECE JON ANDREW, YANG DONGXU
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present disclosure relates to novel methanofullerene derivatives, negative-type photoresist compositions prepared therefrom and methods of using them. The derivatives, their photoresist compositions and the methods are ideal for fine pattern processing using, for example, ultraviolet radiation, beyond extreme ultraviolet radiation, extreme ultraviolet radiation, X-rays and charged particle rays. Negative photosensitive compositions are also disclosed.