ネオジム磁石について ネオジム磁石は市販されている永久磁石の中で最も強力です。, anywhere in the world. They provide unparalleled levels of magnetism and resistance to demagnetisation when compared to ferrite, alnico and even samarium-cobalt magnets. HISTORY OF NEODYMIUM MAGNETS Neodymium magnets were first developed in 1982 by General Motors and Sumitomo Special Metals following the […]