Resist recovery method

A method is disclosed for one embodiment. An amount of photoresist is deposited upon a substrate, the amount of photoresist more than necessary to coat the substrate. The substrate is spun within a bowl such that an excess amount of photoresist is propelled off of the substrate to an interior surfac...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Consolini, Joseph, Best, Keith, Gui, Cheng, Friz, Alexander
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method is disclosed for one embodiment. An amount of photoresist is deposited upon a substrate, the amount of photoresist more than necessary to coat the substrate. The substrate is spun within a bowl such that an excess amount of photoresist is propelled off of the substrate to an interior surface of the bowl. A portion of the excess amount of photoresist is recovered and treated such that the recovered portion of the excess amount of photoresist is rendered usable.