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:
Jul. 01, 2025
Filed:
Aug. 11, 2022
Tokyo Electron Limited, Tokyo, JP;
Hiroshi Kondo, Fuchu, JP;
Haruhiko Furuya, Nirasaki, JP;
Tokyo Electron Limited, Tokyo, JP;
Abstract
A plasma processing apparatus includes: a processing container in which a stage is accommodated and including an opening formed above the stage; a lid member for sealing the opening and including: at least one through-hole formed in a region facing the stage and in which a radiation part for radiating microwaves is arranged; a protruded portion formed on a first surface facing an interior of the processing container to protrude toward the interior of the processing container along an edge of the opening; a flow path formed inside the protruded portion; gas holes formed on the first surface to communicate with the flow path; and a supply port formed on a second surface facing an exterior of the processing container to communicate with the flow path; and a remote plasma unit connected to the supply port and for plasmarizing a cleaning gas and supply the same to the supply port.