SILVER PATTERNING AND INTERCONNECT PROCESSES

A method for forming a semiconductor structure is provided. The method includes depositing a hard mask layer over a substrate. The method further includes depositing a silver precursor layer over the hard mask layer. The method further includes exposing portions of the silver precursor layer to a ra...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHOU, You-Hua, CHUANG, Kuo-Sheng
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for forming a semiconductor structure is provided. The method includes depositing a hard mask layer over a substrate. The method further includes depositing a silver precursor layer over the hard mask layer. The method further includes exposing portions of the silver precursor layer to a radiation, the radiation causing a reduction of silver ions in the irradiated portions of the silver precursor layer. The method further includes removing non-irradiated portions of the silver precursor layer, resulting in a plurality of silver seed structures.