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:
Apr. 24, 2018
Filed:
Oct. 13, 2016
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
David M. Tung, Livermore, CA (US);
Joachim W. Ahner, Livermore, CA (US);
Assignee:
Seagate Technology LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/88 (2006.01); G01N 21/47 (2006.01); G01N 21/95 (2006.01);
U.S. Cl.
CPC ...
G01N 21/4738 (2013.01); G01N 21/8806 (2013.01); G01N 21/95 (2013.01); G01N 2021/8809 (2013.01); G01N 2201/062 (2013.01); G01N 2201/12 (2013.01);
Abstract
Provided herein is an apparatus, including a photon emitter configured to emit photons onto a surface of an article at a number of azimuthal angles; and a processing element configured to process photon-detector-array signals corresponding to photons scattered from surface features of the article and generate one or more surface features maps for the article from the photon-detector-array signals corresponding to the photons scattered from the surface features of the article.