Patent 7604717 was granted and assigned to Saint-Gobain on October, 2009 by the United States Patent and Trademark Office.
The invention relates to an essentially metallic target of a cathodic sputtering device, in particular a magnetic-field-assisted device, the said target mainly comprising nickel alloyed with at least one other minor element in order to reduce or eliminate its ferromagnetism. The invention also relates to the use of the target to manufacture an electrochromic material with anodic colourization as a thin layer based on alloyed nickel oxide.