Polishing method and polishing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5775980
SERIAL NO

08743044

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This invention provides a polishing method including the steps of forming a film to be polished on a substrate having a recessed portion in its surface so as to fill at least the recessed portion, and selectively leaving the film to be polished behind in the recessed portion by polishing the film by using a polishing agent containing polishing particles and a solvent, and having a pH of 7.5 or more. The invention also provides a polishing apparatus including a polishing agent storage vessel for storing a polishing agent, a turntable for polishing an object to be polished, a polishing agent supply pipe for supplying the polishing agent from the polishing agent storage vessel onto the turntable, a polishing object holding jig for holding the object to be polished such that the surface to be polished of the object opposes the turntable, and a polishing agent supply pipe temperature adjusting unit, connected to the polishing agent supply pipe, for adjusting the temperature of the polishing agent.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOSHIBAKAWASAKI-SHI

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayasaka, Nobuo Yokosuka, JP 81 3373
Matsuo, Mie Yokohama, JP 71 1932
Nakata, Rempei Kawasaki, JP 45 907
Okano, Haruo Tokyo, JP 90 4214
Sasaki, Yasutaka Yokohama, JP 52 668
Wada, Junichi Yokohama, JP 92 1191
Yano, Hiroyuki Wappingers Falls, NY 197 3220

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