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:
Nov. 17, 2020
Filed:
Aug. 26, 2019
Applicant:
Applied Materials, Inc., Santa Clara, CA (US);
Inventors:
Christopher S. Olsen, Fremont, CA (US);
Theresa K. Guarini, San Jose, CA (US);
Jeffrey Tobin, Mountain View, CA (US);
Lara Hawrylchak, Gilroy, CA (US);
Peter Stone, Los Gatos, CA (US);
Chi Wei Lo, San Jose, CA (US);
Saurabh Chopra, Santa Clara, CA (US);
Assignee:
APPLIED MATERIALS, INC., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 25/18 (2006.01); C30B 29/06 (2006.01); C30B 29/08 (2006.01);
U.S. Cl.
CPC ...
C30B 25/186 (2013.01); C30B 29/06 (2013.01); C30B 29/08 (2013.01);
Abstract
Embodiments of the present invention generally relate to methods for removing contaminants and native oxides from substrate surfaces. The methods generally include removing contaminants disposed on the substrate surface using a plasma process, and then cleaning the substrate surface by use of a remote plasma assisted dry etch process.