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:
Sep. 01, 2020

Filed:

Mar. 01, 2018
Applicant:

Verity Instruments, Inc., Carrollton, TX (US);

Inventors:

Sean Lynes, Carrollton, TX (US);

Richard J. Daignault, Jr., Carrollton, TX (US);

Zhiyong Gu, Carrollton, TX (US);

Hong Chen, Carrollton, TX (US);

Assignee:

Verity Instruments, Inc., Carrollton, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01); H01L 21/66 (2006.01); G05B 19/00 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67253 (2013.01); G05B 19/00 (2013.01); H01L 22/26 (2013.01); H01L 22/12 (2013.01);
Abstract

A method of operating a process control system and a process control system are provided by the disclosure. In one embodiment, the process control system includes: (1) an optical sensor configured to monitor a production process within a process chamber and generate optical data therefrom, (2) an operational controller configured to perform critical functions to determine processing conditions of the production process from the optical data, wherein the critical functions are directed by critical function controls, (3) an adaptable management controller configured to provide the critical function controls to the operational controller, wherein the adaptable management controller is hierarchically isolated from the operational controller during the critical functions.


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