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:
Nov. 11, 2025

Filed:

Dec. 06, 2022
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Shin Matsuura, Miyagi, JP;

Nobutaka Sasaki, Miyagi, JP;

Gyeong Min Park, Miyagi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/687 (2006.01); H01L 21/67 (2006.01); H01L 21/677 (2006.01);
U.S. Cl.
CPC ...
H01L 21/68742 (2013.01); H01L 21/67069 (2013.01); H01L 21/67751 (2013.01); H01L 21/68735 (2013.01);
Abstract

There is a substrate support comprising: a substrate supporting portion; a first ring disposed to surround the substrate supporting portion; a second ring surrounding the first ring without overlapping the first ring in plan view; a third ring disposed below the first ring and the second ring such that an inner portion of the third ring overlaps the first ring in plan view and an outer portion of the third ring overlaps the second ring in plan view, and having a hole at the inner portion of the third ring; a lifter having a first engaging portion protruding upward from the hole of the third ring and engaged with the first ring and a second engaging portion disposed below the first engaging portion and engaged with the third ring; and an actuator configured to raise and lower the lifter.


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