Patent №
US 6,957,154
Granted
2005-10-18
Filed 2003
Owner
QCEPT TECHNOLOGIES, INC.
Lab
—
AI components
1
planning
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
10631469
A method and system for identifying a defect or contamination on a surface of a material. The method and system involves providing a material, such as a semiconductor wafer, using a non-vibrating contact potential difference sensor to scan the wafer, generate contact potential difference data and processing that data to identify a pattern characteristic of the defect or contamination.
AI classification
Ownership
QCEPT TECHNOLOGIES, INC.
assignment · 148190575
Assignors
STEELE, M. BRANDON, HAWTHORNE, JEFFREY ALAN
On an employer assignment, the assignors are typically the inventors.