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:
Jul. 18, 2023
Filed:
Jul. 10, 2020
Tokyo Electron Limited, Tokyo, JP;
Kyouhei Yamamoto, Miyagi, JP;
Taira Takase, Miyagi, JP;
TOKYO ELECTRON LIMITED, Tokyo, JP;
Abstract
A mounting table includes a base member, having a rear surface and a front surface facing the rear surface, in which a coolant path is formed, a groove portion having a bottom surface within the base member being annularly formed on the front surface, the base member being divided into a cylindrical inner base member portion positioned at an inner side of the groove portion and an annular outer base member portion positioned at an outer side of the groove portion by the groove portion; an annular focus ring supported by the outer base member portion, the annular focus ring having, at an inner side surface thereof, a protrusion that is protruded radially and inwardly to cover the groove portion; a first heat transfer member provided between the mounting surface and the coolant path; and the second heat transfer member provided between the focus ring and the coolant path.