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.:

US 7019519 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 28, 2006

Filed:

Aug. 24, 2004
Applicant:

Cuong Duy Le, Morgan Hill, CA (US);

Inventor:

Cuong Duy Le, Morgan Hill, CA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/06 (2006.01); G01R 33/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for monitoring an inspection sample includes generating inspection data comprising resistance and reactance measurements that are obtained from an inspection sample having a conductive layer of unknown thickness. Calibration data is used for estimating the thickness of the conductive layer of the inspection sample. This calibration data includes resistance and reactance measurements obtained from one or more calibration samples, each calibration sample having a conductive layer of known thickness. The conductive layers of the inspection sample and the calibration samples comprise different materials having a known conductive relationship.


Find Patent Forward Citations

Le, Cuong. (2006). Thickness estimation using conductively related calibration samples (U.S. Patent No. 7019519). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7019519

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