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:
Nov. 03, 2020

Filed:

Dec. 13, 2017
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Kazuya Nagaseki, Miyagi, JP;

Shinji Himori, Miyagi, JP;

Mitsunori Ohata, Miyagi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/32 (2006.01); H01L 21/67 (2006.01);
U.S. Cl.
CPC ...
H01J 37/32669 (2013.01); H01J 37/3211 (2013.01); H01J 37/32688 (2013.01); H01L 21/67069 (2013.01); H01J 37/32449 (2013.01); H01J 37/32715 (2013.01);
Abstract

Disclosed is a plasma processing apparatus including: a processing container; a placing table provided in the processing container and configured to place a workpiece thereon; a dielectric member having a facing surface that faces the placing table; a planar antenna provided on a surface of the dielectric member opposite to the facing surface and configured to introduce an induced electric field for plasma excitation into the processing container via the dielectric member; and an electromagnet group disposed along an outer circumference of the processing container and configured to form a magnetic field for moving ions in plasma based on the induced electric field along the facing surface of the dielectric member in the processing container.


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