Deposition and planarizing methods and apparatus

Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating

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20419215, 20419232, 204298, C23C 1434

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active

047568100

ABSTRACT:
A layer of a substance such as an aluminum alloy is deposited, preferably by sputtering, onto a surface of a substrate such as a semiconductor wafer. The deposited substance is redistributed by bombarding the layer with ions. The ion bombardment may be induced by applying low frequency RF excitation at about 5 KHz -1 MHz to the substrate.

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