Method of detecting very barely discernible thin coatings

The present invention relates to a method of detecting a coating on a glass substrate, the reflection properties of a light ray reflected by the said coating being known, especially at its interface with the air, characterized in that the reflection of a light ray by the surface to be tested of a gl...

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Bibliographic Details
Main Author MICHEL PICHON
Format Patent
LanguageEnglish
Published 05.05.2004
Edition5
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:The present invention relates to a method of detecting a coating on a glass substrate, the reflection properties of a light ray reflected by the said coating being known, especially at its interface with the air, characterized in that the reflection of a light ray by the surface to be tested of a glass substrate or a monolithic, laminated or multiple glazing unit, and then by another surface are measured in succession and then in that the results are compared so as to determine whether the said surface to be tested is provided with the said coating. The invention also relates to a device for implementing this method and to the application of this method to various glazing units.
Bibliography:Application Number: IE20030000776