Methods of stripping resist after metal deposition

In accordance with an embodiment of the present invention, a method of forming a semiconductor device includes forming a seed layer over a dielectric layer and a patterned resist layer over the seed layer. Next, metal lines are formed on regions of the seed layer not covered by the patterned resist...

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1. Verfasser: STEGEMANN MAIK
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:In accordance with an embodiment of the present invention, a method of forming a semiconductor device includes forming a seed layer over a dielectric layer and a patterned resist layer over the seed layer. Next, metal lines are formed on regions of the seed layer not covered by the patterned resist layer. The patterned resist layer is removed using a plasma process, which involves using an oxidizing species and a reducing species in the plasma. The reducing species substantially prevents the oxidation of the metal lines and the seed layer during the plasma process.