Electrochemical planarization of metal feature surfaces

Abrading – Abrading process – Glass or stone abrading

Reexamination Certificate

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C204S166000, C451S042000, C451S285000

Reexamination Certificate

active

06848975

ABSTRACT:
One aspect is directed to an improved method for polishing an integrated circuit. According to one aspect, metal features deposited on an integrated circuit are polished using electropolishing techniques. Because electropolishing is used, polishing avoids removal of softer insulating materials of the integrated circuit.

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