Magnetic engraving method, in particular for magnetic or...

Details Magnetic engraving method, in particular for magnetic or... Magnetic engraving method, in particular for magnetic or...

H - Electricity

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H01F 41/14 (2006.01) G02B 6/122 (2006.01) G02F 1/09 (2006.01) G11B 11/10 (2006.01) G11B 11/105 (2006.01) H01F 41/30 (2006.01) H01F 41/34 (2006.01) H01P 11/00 (2006.01)

Patent

CA 2318350

The invention concerns a magnetic engraving method characterised in that it consists in controlled irradiation of a material in thin layers to locally modify, over zones with micrometric width or less, said material magnetic properties, such as in particular its coercivity, its magnetic anisotropy and its Curie temperature.

Procédé de gravure magnétique, caractérisé en ce qu'on irradie de façon contrôlée un matériau en couches minces pour modifier localement, sur des zones d'une largeur de l'ordre du micromètre ou inférieure, les propriétés magnétiques dudit matériau, telles que notamment sa coercivité, son anisotropie magnétique ou sa température de Curie.

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