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:
Feb. 24, 2026
Filed:
Jul. 20, 2021
Tokyo Electron Limited, Tokyo, JP;
Tokyo Electron Limited, Tokyo, JP;
Abstract
A film forming method includes: a supply operation of supplying a processing gas into a processing container in which a substrate is accommodated, the processing gas including a silicon-containing gas, a nitrogen-containing gas, and a diluent gas; and a film forming operation of plasmarizing the processing gas by supplying, into the processing container, power obtained by phase-controlling and superimposing first power with a first frequency in a VHF band and second power with a second frequency different from the first frequency in the VHF band, and forming a silicon nitride film on the substrate by the plasmarized processing gas.
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