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:
Oct. 26, 2021
Filed:
Dec. 06, 2016
Applicant:
Applied Materials, Inc., Santa Clara, CA (US);
Inventors:
Oleg V. Serebryanov, San Jose, CA (US);
Alexander Goldin, San Jose, CA (US);
Kenric Choi, San Jose, CA (US);
Assignee:
APPLIED MATERIALS, INC., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 23/74 (2006.01);
U.S. Cl.
CPC ...
G01F 23/74 (2013.01);
Abstract
Apparatus and methods for determining the liquid level of a canister are described. A magnetic field generated by a floating magnet within the canister is measured by a plurality of magnetic sensors outside of the canister. Methods of calibrating the magnetic sensors and measuring the location of the floating magnet are also described.