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:
Jan. 24, 2023

Filed:

Mar. 13, 2020
Applicant:

Kokusai Electric Corporation, Tokyo, JP;

Inventors:

Motomu Degai, Toyama, JP;

Hiroshi Ashihara, Toyama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/223 (2006.01); H01L 21/02 (2006.01); H01L 21/285 (2006.01);
U.S. Cl.
CPC ...
H01L 21/223 (2013.01); H01L 21/0215 (2013.01); H01L 21/0217 (2013.01); H01L 21/02129 (2013.01); H01L 21/02153 (2013.01); H01L 21/28562 (2013.01);
Abstract

There is provided a technique that includes selectively doping a metal film with a dopant by performing: supplying a dopant-containing gas containing the dopant to a substrate in which the metal film and a film other than the metal film are formed on a film in which the dopant is doped; and removing the dopant-containing gas from above the substrate.


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