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:
Nov. 20, 2018

Filed:

Nov. 01, 2012
Applicant:

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

Inventors:

Andrew Nguyen, San Jose, CA (US);

Kenneth S. Collins, San Jose, CA (US);

Kartik Ramaswamy, San Jose, CA (US);

Shahid Rauf, Pleasanton, CA (US);

James D. Carducci, Sunnyvale, CA (US);

Douglas A. Buchberger, Jr., Livermore, CA (US);

Ankur Agarwal, Fremont, CA (US);

Jason A. Kenney, Sunnyvale, CA (US);

Leonid Dorf, San Jose, CA (US);

Ajit Balakrishna, Sunnyvale, CA (US);

Richard Fovell, San Jose, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 16/00 (2006.01); H01L 21/306 (2006.01); C23F 1/08 (2006.01); C23C 14/28 (2006.01); H01J 37/32 (2006.01); H05H 1/46 (2006.01); B01J 12/00 (2006.01);
U.S. Cl.
CPC ...
C23F 1/08 (2013.01); B01J 12/002 (2013.01); C23C 14/28 (2013.01); H01J 37/321 (2013.01); H01J 37/3211 (2013.01); H01J 37/32733 (2013.01); H01J 37/32834 (2013.01); H05H 1/46 (2013.01);
Abstract

A plasma reactor for processing a workpiece includes a reactor chamber having a ceiling and a sidewall and a workpiece support facing the ceiling and defining a processing region, and a pair of concentric independently excited RF coil antennas overlying the ceiling and a side RF coil concentric with the side wall and facing the side wall below the ceiling, and being excited independently.


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