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:
Jan. 20, 2026
Filed:
Jun. 02, 2021
Tokyo Electron Limited, Tokyo, JP;
Yuji Obata, Yamanashi, JP;
Tokyo Electron Limited, Tokyo, JP;
Abstract
A shower plate that includes a plate-like member provided at a top of a processing chamber is provided. The shower plate has first holes communicating with a first flow path in the shower plate. The shower plate includes first chamber valves provided with the respective first holes. The shower plate has second holes communicating with a second flow path in the shower plate. The shower plate includes second chamber valves provided with the respective second holes. The shower plate has third holes provided in the plate-like member to correspond to the first holes and the second holes. The shower plate includes third chamber valves provided with the respective third holes. The first chamber valves, the second chamber valves, and the third chamber valves are piezoelectric elements.