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:
Mar. 21, 2017
Filed:
Aug. 07, 2012
Gregory Fabre, Bournezeau, FR;
Jean-yves Guedou, Le Mee sur Seine, FR;
Vincent Guipont, Villeblevin, FR;
Michel Christian Marcel Jeandin, Paris, FR;
Gregory Fabre, Bournezeau, FR;
Jean-Yves Guedou, Le Mee sur Seine, FR;
Vincent Guipont, Villeblevin, FR;
Michel Christian Marcel Jeandin, Paris, FR;
SNECMA, Paris, FR;
Abstract
A method of determining the appearance of losses of cohesion in a transparent ceramic coating layer () formed on a substrate (), the method comprising the steps that consist firstly in looking for an image representative of a separation zone, if any, between the ceramic layer and the substrate, and secondly in analyzing the detected image, if any, with the image being viewed optically at particular wavelengths that are greater than or equal to 500 nm.