{"id":20858,"date":"2017-03-29T11:34:00","date_gmt":"2017-03-29T11:34:00","guid":{"rendered":"https:\/\/www.he-arc.ch\/projets-recherche\/redcoat\/"},"modified":"2022-01-13T11:50:49","modified_gmt":"2022-01-13T10:50:49","slug":"redcoat","status":"publish","type":"he-arc_project","link":"https:\/\/www.he-arc.ch\/en\/projets-recherche\/redcoat\/","title":{"rendered":"RedCoat"},"content":{"rendered":"

Contexte et enjeux<\/h2>\n

Malgr\u00e9 la tr\u00e8s forte demande par l\u2019horlogerie haut-de-gamme, il n\u2019existait pas avant ce travail de rev\u00eatements de couleur rouge r\u00e9alis\u00e9s par magnetron sputtering. Cette teinte fait partie des codes du luxe. Contrairement \u00e0 des vernis ou des laques, ce rev\u00eatement doit permettre de conserver les d\u00e9cors des composants trait\u00e9s.<\/p>\n

Objectifs<\/h2>\n

Le but du projet \u00e9tait d\u2019offrir \u00e0 l\u2019horlogerie suisse un rev\u00eatement d\u00e9coratif unique de couleur rouge qui puisse mettre en valeur certaines parties du mouvement. Cette couche mince devait pouvoir s\u2019appliquer aux mat\u00e9riaux de l\u2019industrie horlog\u00e8re et \u00eatre homologu\u00e9e par des tests environnementaux de vieillissement acc\u00e9l\u00e9r\u00e9.<\/p>\n

Partenaires et financement<\/h2>\n

Positive Coating SA<\/a><\/p>\n

Financ\u00e9 par la Commission pour la technologie et l\u2019innovation CTI<\/a><\/p>\n

R\u00e9sultats<\/h2>\n

Apr\u00e8s modification du magn\u00e9tron, des d\u00e9p\u00f4ts d\u2019oxyde ferrique ont \u00e9t\u00e9 r\u00e9alis\u00e9s par magnetron sputtering. Sur substrats transparents la couleur des rev\u00eatements passe de l\u2019orange au rouge en fonction de l\u2019\u00e9paisseur d\u00e9pos\u00e9e. Le d\u00e9p\u00f4t pr\u00e9alable d\u2019une couche m\u00e9tallique r\u00e9fl\u00e9chissante a permis d\u2019obtenir des rev\u00eatements de coloration rouge et d\u2019aspect homog\u00e8ne sur des substrats tels que des cadrans.<\/p>\n

Valorisation<\/h2>\n

Brevet : R\u00e9f. : EP 2 392 689 B1<\/p>\n

Exploitation depuis 2011 de ce rev\u00eatement par la soci\u00e9t\u00e9 Positive Coating SA. Gamme de traitement OptiDeco.<\/p>\n

Chef de projet<\/h2>\n\n\n
\n
\n
\n Jo\u00ebl Matthey\n <\/div>\n
\n +41 32 930 13 66<\/a>\n <\/div>\n
\n Joel.Matthey@he-arc.ch<\/a>\n <\/div>\n <\/div>\n<\/div>\n\n\n\n
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