Hoja con una zona de opacidad reducida anticopia

申请公布号：ES2386543(T3)

申请号：ES20030799692T

申请日期：2003.12.23

申请公布日期：2012.08.22

申请人：

ARJO WIGGINS SECURITY SAS;ARJOWIGGINS SECURITY

发明人：VAST, NATHALIE;THIERRY, YVAN;MALLOL, STEPHANE

分类号：B42D15/00;B44F1/12

主分类号：B42D15/00

摘要：Papel de seguridad imprimible que comprende una zona apta para recibir impresiones anverso y reversoobservables bajo luz reflejada y que forman una imagen observable bajo luz transmitida, como elemento deseguridad contra la reproducción a doble cara, caracterizado porque dicha zona es una zona tramada que tiene unaopacidad global media inferior a la opacidad de la parte de vitela del resto del papel, estando dicha zona tramadacompuesta por alternancias de minizonas de vitela que tienen un espesor sustancialmente constante e igual al de laparte de vitela del resto del papel y de minizonas de opacidad reducida debido a su espesor reducido con respecto alas minizonas de vitela.

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