COATED WIRE FOR BONDING APPLICATIONS

The invention is related to a bonding wire, comprising a core with a surface, wherein the core comprises a core main component selected from the group consisting of copper and silver; and a coating layer which is at least partially superimposed over the surface of the core, wherein the coating layer...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MILKE, EUGEN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SEMICONDUCTOR DEVICES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The invention is related to a bonding wire, comprising a core with a surface, wherein the core comprises a core main component selected from the group consisting of copper and silver; and a coating layer which is at least partially superimposed over the surface of the core, wherein the coating layer comprises a coating component selected from the group palladium, platinum, gold, rhodium, ruthenium, osmium and iridium as a component in an amount of at least 10%; characterized in that the coating layer comprises the main component of the core as a component in an amount of at least 10%. L'invention concerne un fil de liaison, comprenant une âme avec une surface, l'âme comprenant un composant principal d'âme choisi dans le groupe constitué de cuivre et argent ; et une couche de revêtement qui est au moins partiellement superposée sur la surface de l'âme, la couche de revêtement comprenant un composant de revêtement choisi parmi le groupe palladium, platine, or, rhodium, ruthénium, osmium et iridium en tant que composant en une quantité d'au moins 10 % ; caractérisé en ce que la couche de revêtement comprend le composant principal de l'âme en tant que composant en une quantité d'au moins 10 %.