H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 57/00 (2006.01) H01L 41/12 (2006.01) H01L 41/20 (2006.01) H02N 11/00 (2006.01)
Patent
CA 2223633
The present invention refers to a method for obtaining shape changes, motion and/or force in a material having a twinned structure. According to the method, a sufficiently high external magnetic field applied to the material reorients the twin structure thereby producing motion/force. The operation is possible if the magnetocrystalline anisotropy energy is higher than or comparable to the energy of the reorientation of the twin structure to produce a certain strain.
Cette invention concerne un procédé permettant d'obtenir des modifications de forme, un mouvement et/ou une force dans un matériau possédant une structure jumelée. Selon ce procédé, un champ magnétique extérieur suffisamment puissant appliqué au matériau réoriente la structure jumelée, produisant ainsi un mouvement/une force. L'opération est possible si l'énergie anisotropique magnétocristalline est supérieure ou comparable à l'énergie de réorientation de la structure jumelée, ce qui permet de produire un certain effort.
Borden Ladner Gervais Llp
Ullakko Kari Martti
LandOfFree
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