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:
May. 09, 2023
Filed:
Dec. 03, 2018
Applicant:
Hitachi High-tech Corporation, Tokyo, JP;
Inventors:
Assignee:
HITACHI HIGH-TECH CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/32 (2006.01); C23C 16/52 (2006.01); C23C 16/50 (2006.01);
U.S. Cl.
CPC ...
C23C 16/52 (2013.01); C23C 16/50 (2013.01); H01J 37/32908 (2013.01); H01J 37/32926 (2013.01); H01J 37/32935 (2013.01);
Abstract
A plasma processing apparatus, to which process control such as APC is applied, includes: a processing chamber in which plasma processing is performed on a sample; and a plasma processing control device which performs control to optimize a condition for plasma processing which recovers the status inside a processing chamber, in which plasma processing is performed, based on a waiting time from the time when plasma processing for a second lot, which is a lot immediately before a first lot, is completed to the time when plasma processing for the first lot is started, and the content of plasma processing for the second lot.