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.

Date of Patent:
Dec. 09, 2025

Filed:

Dec. 22, 2022
Applicant:

Kokusai Electric Corporation, Tokyo, JP;

Inventors:

Shingo Nohara, Toyama, JP;

Kiyohisa Ishibashi, Toyama, JP;

Takafumi Nitta, Toyama, JP;

Kimihiko Nakatani, Toyama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/02 (2006.01); C23C 16/34 (2006.01); C23C 16/40 (2006.01);
U.S. Cl.
CPC ...
H01L 21/02211 (2013.01); C23C 16/345 (2013.01); C23C 16/401 (2013.01); H01L 21/02164 (2013.01); H01L 21/0217 (2013.01); H01L 21/02271 (2013.01);
Abstract

There is provided a technique including: forming a first film containing first element and second element; and forming a second film adjacent to the first film and containing the first element and the second element being different in characteristics from the first film, wherein one of the first and second films is formed by performing a first cycle a predetermined number of times, the first cycle including performing: (a1) supplying a first precursor gas containing the first element; and (b1) supplying a first reaction gas containing the second element, and wherein the other of the first and second films is formed by performing a second cycle a predetermined number of times, the second cycle including performing: (a2) supplying a second precursor gas containing the first element and being higher in a thermal decomposition temperature than the first precursor gas; and (b2) supplying a second reaction gas containing the second element.


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