Method for making a magnetic field sensor and magnetic field...

G - Physics – 01 – R

Patent

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Details

G01R 33/02 (2006.01) G01C 17/28 (2006.01) G01C 17/30 (2006.01) G01R 33/00 (2006.01) G01R 33/04 (2006.01) G01R 33/05 (2006.01)

Patent

CA 2715654

The invention relates to a method for making a field sensor (1) that comprises a series of n electrodes (2), with n > = 3, each including a core of magnetic alloys (3) associated with a winding (4). According to the invention, the method comprises the following steps: depositing the cores of magnetic alloys (3) onto a non-magnetic bearing plate on at least a portion or the entirety of a surface corresponding to a series of n strips (6) extending along axes (x, y, z) concurrent at an intersection point and connected together by an intersection area (z); before or after said deposition, cutting the n strips (6) into said bearing plate while maintaining them connected to the bearing plate by at least one connector; assembling each strip (6) with a winding (4); folding at least one strip (6) along a folding line perpendicular to the axis thereof.

L'invention concerne un procédé de fabrication d'un capteur de champ (1) comportant une série de n sondes (2), avec n > = 3, composées chacune d'un noyau d'alliages magnétiques (3) associé à un bobinage (4). Selon l'invention, le procédé comporte les étapes suivantes : - assurer le dépôt des noyaux d'alliages magnétiques (3) sur une plaque support amagnétique, sur au moins tout ou partie d'une surface correspondant à une série de n bandes (6) s'étendant selon des axes concourants (x, y, z) en un point d'intersection et reliées ensemble par une zone d'intersection (z), - avant ou après ce dépôt, découper dans ladite plaque support, les n bandes (6) en les laissant reliées à la plaque support par au moins une attache, - assembler chaque bande (6) avec un bobinage (4), - plier au moins une bande (6) selon une ligne de pliage perpendiculaire à son axe.

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