Electrostatic chuck, support platform, and plasma processing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11894218
APP PUB NO 20200388472A1
SERIAL NO

16891425

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provision of an electrostatic chuck for supporting a substrate and an edge ring including a first region, a second region, an electrode provided in the second region, and an elastic member. The first region includes a first top surface and is configured to hold the substrate that is placed on the first top surface. The second region extends in a circumferential direction of the first region so as to surround the first region. The second region includes a second top surface, and is configured to support the edge ring placed on the second top surface. The first top surface and the second top surface extend along a single flat plane. A part of the edge ring is accommodated in a space provided between the first region and the second region, and the elastic member is disposed between the part of the edge ring and the electrostatic chuck.

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Patent Owner(s)

Patent OwnerAddress
TOKYO ELECTRON LIMITEDTOKYO JAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sasaki, Yasuharu Miyagi, JP 99 2172
Takayama, Masato Miyagi, JP 17 82

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