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:
Aug. 15, 2023

Filed:

Sep. 15, 2022
Applicants:

The Nottingham Trent University, Nottingham, GB;

Cranfield University, Cranfield, GB;

Inventors:

Paul Evans, Nottingham, GB;

Keith Rogers, Swindon, GB;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 23/00 (2006.01); G01N 23/20008 (2018.01); G01N 23/205 (2018.01);
U.S. Cl.
CPC ...
G01N 23/20008 (2013.01); G01N 23/205 (2013.01);
Abstract

A sample inspection apparatus includes a source of electromagnetic radiation, a beam former for producing a plurality of coaxial and substantially conical shells of radiation, a detection surface and a set of conical shell slot collimators. Each conical shell has a different opening angle. The detection surface is arranged to receive diffracted radiation after incidence of one or more of the conical shells upon the sample to be inspected. The set of conical shell slot collimators is provided at or close to the detection surface which each stare at different annular regions of different corresponding conical shells.


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