Holding table

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9463542
APP PUB NO 20130300045A1
SERIAL NO

13887501

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A holding table for holding a platelike workpiece which includes a base and an annular holding member attached to the base. The annular holding member has an annular holding surface for holding the outer circumferential portion of the platelike workpiece thereon. Accordingly, a central recess is defined by the base and the annular holding member so as to be surrounded by the annular holding member. The annular holding member is formed with a suction opening exposed to the annular holding surface, a vacuum line having one end communicating with the suction opening and the other end connected to a vacuum source, a discharge opening exposed to the annular holding surface at a position radially outside of the suction opening, and a fluid line having one end communicating with the discharge opening and the other end connected to a fluid source.

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Patent Owner(s)

Patent OwnerAddress
DISCO CORPORATION13-11 OMORI-KITA 2-CHOME OTA-KU TOKYO 143-8580

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kataoka, Masamichi Tokyo, JP 1 3
Kitaura, Takeshi Tokyo, JP 3 4
Komatsu, Atsushi Tokyo, JP 112 1149

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