The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 06, 2025

Filed:

Feb. 20, 2024
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Hajime Tamura, Miyagi, JP;

Yasuharu Sasaki, Miyagi, JP;

Shin Yamaguchi, Miyagi, JP;

Tsuguto Sugawara, Miyagi, JP;

Katsuyuki Koizumi, Miyagi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 37/32 (2005.12); H02N 13/00 (2005.12);
U.S. Cl.
CPC ...
H01J 37/32715 (2012.12); H01J 37/32082 (2012.12); H01J 37/32642 (2012.12); H02N 13/00 (2012.12); H01J 2237/2007 (2012.12); H01J 2237/334 (2012.12);
Abstract

The disclosed substrate support includes a first region, a second region, a first electrode, and a second electrode. The first region is configured to hold a substrate placed thereon. The second region is provided to surround the first region and configured to hold an edge ring placed thereon. The first electrode is provided in the first region to receive a first electrical bias. The second electrode is provided in at least the second region to receive a second electrical bias. The second electrode extends below the first electrode to face the first electrode within the first region.


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