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.

Date of Patent:
Dec. 15, 2015

Filed:

Jun. 28, 2013
Applicant:

Seagate Technology Llc, Cupertino, CA (US);

Inventors:

Joachim Walter Ahner, Livermore, CA (US);

Stephen Keith McLaurin, Sunnyvale, CA (US);

Samuel Kah Hean Wong, Johor Bahru, MY;

Henry Luis Lott, Fremont, CA (US);

Assignee:

Seagate Technology LLC, Cupertino, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01); G01N 21/88 (2006.01); G01N 21/17 (2006.01); G01N 21/47 (2006.01); G01N 21/94 (2006.01); G01B 11/24 (2006.01);
U.S. Cl.
CPC ...
G01B 11/24 (2013.01); G01N 21/88 (2013.01); G01N 21/00 (2013.01); G01N 21/17 (2013.01);
Abstract

Provided herein is an apparatus, including a photon detector array configured to receive photons scattered from features in a surface of an article; and a characterization means for characterizing the features in the surface of the article, wherein the characterization means contrasts signals from the photon detector array corresponding to two sets of photons scattered from features in the surface of the article, and the two sets of photons respectively originate from photon emitters at different locations.


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