SEMICONDUCTOR DEVICE STRUCTURES AND COMPOSITIONS FOR FORMING SAME

A method of removing a metal nitride material is disclosed. The method comprises forming a semiconductor device structure comprising an exposed metal material and an exposed metal nitride material. The semiconductor device structure is subjected to a solution comprising water, ozone, and at least on...

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Bibliographische Detailangaben
Hauptverfasser: FUCSKO JANOS, SAPRA SANJEEV
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of removing a metal nitride material is disclosed. The method comprises forming a semiconductor device structure comprising an exposed metal material and an exposed metal nitride material. The semiconductor device structure is subjected to a solution comprising water, ozone, and at least one additive to remove the exposed metal nitride material at a substantially greater rate than the exposed metal material. Resulting semiconductor device structures are also disclosed, as are compositions used to form the semiconductor device structures.