Etching a substrate: processes – Nongaseous phase etching of substrate – Using film of etchant between a stationary surface and a...
Reexamination Certificate
2006-11-17
2010-11-16
Ahmed, Shamim (Department: 1713)
Etching a substrate: processes
Nongaseous phase etching of substrate
Using film of etchant between a stationary surface and a...
C216S088000, C438S692000, C252S079100
Reexamination Certificate
active
07833431
ABSTRACT:
An aqueous dispersion for chemical mechanical polishing is provided, which includes water and a resin particle. The resin particles accompany with a projection having a curvature radius ranging from 10 nm to 1.65 μm on a surface. The maximum length of the resin particles is not more than 5 μm and is 2.5 to 25 times as large as the curvature radius.
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Fukushima Dai
Kurashima Nobuyuki
Matsui Yukiteru
Minamihaba Gaku
Yamamoto Susumu
Ahmed Shamim
Kabushiki Kaisha Toshiba
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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