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:
Nov. 19, 2019
Filed:
Nov. 25, 2014
Applicant:
Nikon Metrology NV, Leuven, BE;
Inventors:
Assignee:
NIKON METROLOGY NV, Leuven, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 6/00 (2006.01); G01N 23/046 (2018.01); A61B 6/03 (2006.01);
U.S. Cl.
CPC ...
A61B 6/583 (2013.01); A61B 6/032 (2013.01); A61B 6/584 (2013.01); G01N 23/046 (2013.01);
Abstract
A calibration object is imaged in a radiographic system such as a CT system. The images are processed to calibrate the system, without prior measurement of the calibration object. Initial estimates are refined to improve accuracy.