Method for determining the coating quantity on a material web

Method for determining the coating quantity on a material web

A method for determining the quantity of coating applied to a material web includes directing radiation onto the material web coated with the coating, interacting the radiation with the coating, determining, using a measurement signal produced using the detected radiation, the quantity of the coatin...

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Hauptverfasser: ISCHDONAT THOMAS, TYPPO PEKKA M
Format: Patent
Sprache:eng
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COLORIMETRY
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
RADIATION PYROMETRY
TESTING
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creator ISCHDONAT THOMAS
TYPPO PEKKA M
description A method for determining the quantity of coating applied to a material web includes directing radiation onto the material web coated with the coating, interacting the radiation with the coating, determining, using a measurement signal produced using the detected radiation, the quantity of the coating on and/or in the material web, and detecting the radiation, after its interaction, in various frequency bands to produce a specific measurement signal for each frequency band. The frequency bands include a frequency common to all frequency bands. The frequency bands are selected such that, with any given quantity of the applied coating, at least one of the specific measurement signals varies more with the structure of the applied coating than another of the specific measurement signals. The specific measurement signals of the various frequency bands are mathematically linked with each other to determine the quantity of the coating.
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subjects COLORIMETRY
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
RADIATION PYROMETRY
TESTING
title Method for determining the coating quantity on a material web
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