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:
Jul. 28, 2026

Filed:

Aug. 10, 2022
Applicant:

Mks Inc., Andover, MA (US);

Inventors:

Linnell Martinez, Lakeland, FL (US);

David Miller, Rochester, NY (US);

Aaron Radomski, Conesus, NY (US);

Assignee:

MKS Inc., Andover, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/32 (2006.01);
U.S. Cl.
CPC ...
H01J 37/32174 (2013.01); H01J 37/32935 (2013.01); H01J 2237/24564 (2013.01); H01J 2237/24585 (2013.01); H01J 2237/334 (2013.01);
Abstract

A RF generator includes a first RF power source configured to output a first RF output signal to a first electrode of a load. The RF generator includes a first sensor for detecting a first parameter of the first RF output signal and determining a first characteristic of a plasma in the load. A second RF power source outputs a second RF output signal to a second electrode. A second sensor detects a second parameter of the second RF output signal and determines a second characteristic of a plasma in the load. A RF power controller receives the first characteristic and the second characteristic and generates a first control signal and a second control signal. The first control signal adjusts the first RF output signal, and the second control signal adjusts the second RF output signal.


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