Polymeric particle slurry system and method to reduce...

Compositions – Etching or brightening compositions

Reexamination Certificate

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C252S079200, C252S079300, C252S079400, C252S079500

Reexamination Certificate

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07407601

ABSTRACT:
A slurry system for a chemical mechanical polishing (CMP) process and a method for using the same wherein the slurry system includes an aqueous dispersion comprising at least abrasive polymer containing particles in an alkaline solution having a pH of less than about 9.5; and wherein the method includes providing a semiconductor wafer process surface including a oxide containing material and metal filled semiconductor features; providing the system; and, polishing in a CMP process the semiconductor wafer process surface using the slurry system to remove at least a portion of the oxide containing material and the metal comprising the metal filled semiconductor features.

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patent: 2003/0176072 (2003-09-01), Wang et al.
patent: 2002-134443 (2002-05-01), None
patent: 415285 (1974-06-01), None
Principles of Polymerization; 2nd ed.; George Odian; John Wiley & Sons; 19811; NY,NY; pp. 35, 399.

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