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Priority to TW085115457ApriorityCriticalpatent/TW328150B/en
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A method for planarization semiconductor wafer includes the following steps: (a) Provide a semiconductor substrate with non-uniformity surface; (b) Form deposition layer on substrate to fill it into non-uniformity surface; (c) Form photoresist layer with periodic pattern on deposition layer; (d) Use photoresist layer with periodic pattern as mask to etch deposition layer; (e) Proceed CMP step to planarize deposition layer.
TW085115457A1996-12-131996-12-13The method for planarization semiconductor wafer
TW328150B
(en)