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.
Patent No.:
Date of Patent:
Aug. 15, 2023
Filed:
Dec. 21, 2020
Tokyo Electron Limited, Tokyo, JP;
Daisuke Satake, Miyagi, JP;
TOKYO ELECTRON LIMITED, Tokyo, JP;
Abstract
A stage includes: a pin insertion passage penetrating the stage on which a substrate is mounted, and configured to allow a lifter pin to be inserted into and penetrate the pin insertion passage, a heat transfer gas passage penetrating the stage, and configured to introduce a heat transfer gas onto a mounting surface of the stage; a common gas passage in communication with the pin insertion passage and the heat transfer gas passage, and configured to allow the heat transfer gas to flow through the common gas passage; and a first member disposed to face the common gas passage at a location at which the pin insertion passage and the common gas passage intersect each other, and configured to adjust a flow rate of the heat transfer gas introduced onto the mounting surface of the stage from the pin insertion passage.