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:
Mar. 01, 2022
Filed:
Aug. 28, 2019
Applicant:
Kokusai Electric Corporation, Tokyo, JP;
Inventors:
Assignee:
KOKUSAI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 21/67 (2006.01); H01L 21/324 (2006.01); H05B 6/68 (2006.01); H05B 6/80 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67115 (2013.01); H01L 21/324 (2013.01); H05B 6/68 (2013.01); H05B 6/806 (2013.01);
Abstract
There is provided a technique includes: a process chamber in which a substrate is processed; a plurality of microwave supply sources configured to supply predetermined microwaves for heating the substrate in the process chamber; and a controller configured to control the microwave supply sources such that while keeping constant a sum of outputs of the microwaves respectively supplied to the substrate from the plurality of microwave supply sources, at least one of the plurality of microwave supply sources is turned off, and periods in which the at least one of the plurality of microwave supply sources is turned off are different from each other.