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. 13, 2025

Filed:

Mar. 23, 2022
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventor:

Michishige Saito, Miyagi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/20 (2006.01); H01J 37/32 (2006.01); H01L 21/67 (2006.01); H01L 21/687 (2006.01); H01L 21/683 (2006.01);
U.S. Cl.
CPC ...
H01J 37/32724 (2013.01); H01L 21/67109 (2013.01); H01L 21/68785 (2013.01); H01L 21/6833 (2013.01);
Abstract

There is provided a substrate support comprising: a base; a first flow path that opens on a bottom surface of the base at a central portion of the base; a second flow path that surrounds the first flow path and opens on the bottom surface of the base; at least one third flow path communicating with the first flow path and arranged from the central portion toward an outer peripheral portion of the base; and at least one fourth flow path communicating with the second flow path, arranged from the central portion toward the outer peripheral portion of the base, and communicating with the at least one third flow path at the outer peripheral portion of the base.


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