Method of making semiconductor device by polishing with...

Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material

Reexamination Certificate

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C438S687000

Reexamination Certificate

active

06984582

ABSTRACT:
A polishing method comprises supplying a polishing liquid to an upper portion of a film to be polished to carry out first polishing, the film being provided on a layer having a groove with a predetermined pattern so as to be filled therewith, after the first polishing, polishing the film to carry out clean polishing while supplying one of distilled water and a cleaning liquid thereto, and after the clean polishing, polishing a residual portion of the film remaining outside of the groove by supplying a polishing liquid to carry out second polishing.

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patent: 2002-083787 (2002-03-01), None
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patent: 2002-541649 (2002-12-01), None

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