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:
Apr. 01, 2025

Filed:

Mar. 27, 2023
Applicant:

Semes Co., Ltd., Chungcheongnam-do, KR;

Inventors:

Dukhyun Son, Cheonan-si, KR;

Jaewon Shin, Seoul, KR;

Hyungjoon Kim, Pyeongtaek-si, KR;

Assignee:

SEMES CO., LTD., Chungcheongnam-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/32 (2006.01); H01J 37/34 (2006.01);
U.S. Cl.
CPC ...
H01J 37/32669 (2013.01); H01J 37/3244 (2013.01); H01J 37/32458 (2013.01); H01J 37/3455 (2013.01); H01J 2237/334 (2013.01);
Abstract

According to an aspect of the inventive concept, there is provided a plasma processing apparatus including a housing including a space accommodating a wafer therein, a gas supply member configured to supply gas into the housing, a plasma source generating a plasma from the gas supplied into the housing, and a magnetic field generating member disposed on the housing and configured to generate a magnetic field inside the housing, wherein the magnetic field generating member includes a first magnet unit disposed on the housing, and a second magnet unit disposed on the first magnet unit, wherein the second magnet unit is rotatable to change the magnetic pole of the upper portion and lower portion of the second magnet unit.


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