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:
Feb. 23, 2021

Filed:

Sep. 04, 2019
Applicant:

Applied Materials, Inc., Santa Clara, CA (US);

Inventors:

Qintao Zhang, Mt. Kisco, NY (US);

Kyu-Ha Shim, Andover, MA (US);

Assignee:

Applied Materials, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/265 (2006.01); H01L 29/66 (2006.01); H01L 21/8234 (2006.01);
U.S. Cl.
CPC ...
H01L 21/26586 (2013.01); H01L 21/823431 (2013.01); H01L 29/6681 (2013.01);
Abstract

Disclosed are methods of forming devices. One method may include providing a first set of fins and a second set of fins extending from a substrate, and providing a dummy oxide over the first set of fins and the second set of fins. The method may further include performing a thermal implant to the second set of fins, wherein the thermal implant is an angled ion implant impacting the dummy oxide. The method may further include removing the dummy oxide from the first set of fins and the second set of fins, and forming a first work function (WF) metal over the first set of fins and a second WF metal over the second set of fins.


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