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:
Mar. 22, 2022
Filed:
Jul. 24, 2019
Tokyo Electron Limited, Tokyo, JP;
Yuuki Motomura, Nirasaki, JP;
Hiroshi Sone, Tokyo, JP;
Yasuyuki Kagaya, Nirasaki, JP;
Naoyuki Suzuki, Tokyo, JP;
TOKYO ELECTRON LIMITED, Tokyo, JP;
Abstract
There is provided a stage mechanism, including: an electrostatic chuck having a conductive film formed on a front surface thereof, the conductive film configured to make electrically contact with a rear surface of a substrate; a conductive member electrically connected to the conductive film and formed to extend to a rear surface of the electrostatic chuck; and a moving member electrically connected to the conductive member via a connecting member and configured to move between a first position connected to a ground potential and a second position not connected to the ground potential.