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:
Jan. 14, 2025

Filed:

Jul. 22, 2022
Applicant:

Shinko Electric Industries Co., Ltd., Nagano, JP;

Inventors:

Kentaro Kobayashi, Nagano, JP;

Mizuki Watanabe, Nagano, JP;

Kohei Yamaguchi, Nagano, JP;

Atsuo Sato, Nagano, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/683 (2006.01); B28B 11/08 (2006.01); C04B 37/00 (2006.01); H01J 37/32 (2006.01);
U.S. Cl.
CPC ...
H01L 21/6833 (2013.01); B28B 11/0863 (2013.01); C04B 37/001 (2013.01); H01J 37/32715 (2013.01); H01L 21/683 (2013.01); C04B 2235/612 (2013.01); H01J 2237/2007 (2013.01);
Abstract

The electrostatic chuck includes an insulating substrate having a placement surface on which a suction target object is placed and an opposite surface provided on an opposite side to the placement surface; and a gas hole penetrating from the opposite surface to the placement surface. The gas hole has a first hole portion extending from the opposite surface toward the placement surface, a second hole portion extending from the placement surface toward the opposite surface, and a third hole portion provided between the first hole portion and the second hole portion and formed to communicate the first hole portion and the second hole portion each other. The first hole portion is provided not to overlap with the second hole portion in a plan view.


Find Patent Forward Citations

Kobayashi, Kentaro. (2025). Electrostatic chuck and substrate fixing device (U.S. Patent No. 12198968). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12198968

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

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