Method for magnetron sputtering

H - Electricity – 01 – J

Patent

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H01J 37/34 (2006.01)

Patent

CA 2502667

The invention concerns a method for enhancing erosion uniformity on the sputtering surface of a magnetron sputtering target. The invention is characterized in that it consists in adding to said target designed to be coupled to a magnetron maintained fixed thereto, at least one ferromagnetic part for complete or partial insertion in said target or by juxtaposition thereto, so as to bring about, at the entire sputtering surface, a reduction of the curvature of the magnetic induction lines generated by the magnetron.

L'invention concerne une méthode pour améliorer l'uniformité de l'érosion sur la surface de pulvérisation d'une cible de pulvérisation cathodique magnétron. L'invention est caractérisée en ce que l'on ajoute, à ladite cible destinée à être couplée à un magnétron maintenu stationnaire par rapport à celle-ci, au moins une pièce ferromagnétique pour insertion totale ou partielle dans cette cible ou par juxtaposition à celle-ci, de manière à provoquer, au niveau de l'ensemble de la surface de pulvérisation, une réduction de la courbure des lignes d'induction magnétique créées par le magnétron.

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