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:
Mar. 29, 2022

Filed:

Nov. 18, 2019
Applicant:

Fraunhofer-gesellschaft Zur Förderung Der Angewandten Forschung E.v., Munich, DE;

Inventors:

Henning Heuer, Dresden, DE;

Martin Schulze, Dresden, DE;

Iben Khaldoun Lefkaier, Laghouat, DZ;

Mohammed Naïdjate, Laghouat, DZ;

Bachir Helifa, Laghouat, DZ;

Feliachi Mouloud, Saint-Nazaire, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/20 (2006.01); G01N 27/90 (2021.01); G01N 27/9013 (2021.01);
U.S. Cl.
CPC ...
G01N 27/9006 (2013.01); G01D 5/2053 (2013.01); G01N 27/902 (2013.01); G01N 27/9046 (2013.01);
Abstract

The invention relates to an eddy current sensor element for non-destructive testing of a substrate, having an assembly of at least a first and a second flat coil, wherein the first flat coil and the second flat coil each have a triangular shape with a first to third coil edge, wherein one of the edges of the first flat coil and one of the edges of the second flat coil are arranged adjacent and parallel to each other, and wherein the assembly has a quadrangular shape. The invention further relates to an eddy current sensor for the non-destructive testing of a substrate, having a plurality of the eddy current sensor elements.


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