Compositions – Etching or brightening compositions
Reexamination Certificate
2003-04-24
2008-08-05
Goudreau, George A. (Department: 1792)
Compositions
Etching or brightening compositions
C252S079200, C252S079300, C252S079400, C252S079500
Reexamination Certificate
active
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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Principles of Polymerization; 2nd ed.; George Odian; John Wiley & Sons; 19811; NY,NY; pp. 35, 399.
Chen Ying-Ho
Chou Tzu-Jen
Jang Syun-Ming
Lee Shen-Nan
Goudreau George A.
Taiwan Semiconductor Manufacturing Co. Ltd
Tung and Associates
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