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:
Oct. 28, 2025

Filed:

Jan. 25, 2022
Applicant:

Kyocera Corporation, Kyoto, JP;

Inventor:

Wataru Fujita, Higashiomi, JP;

Assignee:

KYOCERA Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/683 (2006.01);
U.S. Cl.
CPC ...
H01L 21/6833 (2013.01);
Abstract

An electrostatic chuck according to the present disclosure includes a plate-shaped body including an adsorption surface for mounting a workpiece, a base, and an electrode film located between the plate-shaped body and the base. The plate-shaped body and the base are made of sapphire. The angle between the adsorption surface and the c-plane of the sapphire is 45° or more.


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Fujita, Wataru. (2025). Electrostatic chuck (U.S. Patent No. 12456640). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12456640

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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