Wafer polishing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9724800
APP PUB NO 20160031062A1
SERIAL NO

14753367

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Abstract

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Disclosed is a wafer polishing apparatus including a base, a lower surface plate disposed on the upper surface of the base, an upper surface plate disposed on the lower surface plate and a first shape adjustment unit configured to deform the shape of the lower surface of the upper surface plate so that the lower surface of the upper surface plate has one of a concave shape, a flat shape and a convex shape in a first direction, and the first direction is a direction from the lower surface plate to the upper surface plate.

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Patent Owner(s)

Patent OwnerAddress
LG SILTRON INCORPORATED53 IMSU-RO GUMI-SI GYEONGSANGBUK-DO 730-724

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Eun Suck Gumi-si, KR 1 1
Han, Kee Yun Gumi-si, KR 5 2

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