Method for fabrication of semiconductor interconnect structure with reduced capacitance, leakage current, and improved breakdown voltage

An etching process for selectively etching exposed metal surfaces of a substrate and forming a conductive capping layer over the metal surfaces is described. In some embodiments, the etching process involves oxidation of the exposed metal to form a metal oxide that is subsequently removed from the s...

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Bibliographische Detailangaben
Hauptverfasser: PARK HEUNG L, KOOS DANIEL A, MAYER STEVEN T, MOUNTSIER THOMAS, CLEARY TIMOTHY PATRICK
Format: Patent
Sprache:eng
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