| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a permanent magnet alloy for jewelry which has a high residual magnetic flux density and a high coercive force, to provide a production method therefor, and to provide equipment for medical purpose and electromagnetic equipment obtained by using the same. <P>SOLUTION: The permanent magnet alloy comprises, by weight, 83 to 87% Pt, and one or more kinds selected from Co, Ni, Cu, Mn, Pd, Ag, Au, Cr, Mo, W, Al, Si, Ti, Zr, Hf, V, Nb, Ta, In, Ge, Sn, Re, Ru, Os, Rh, Ir, rare earth elements, Ca and a Ca-fluorine compound, and the balance Fe. The alloy has a residual magnetic flux density of ≥2,000 gauss and a coercive force of ≥200 oersted. <P>COPYRIGHT: (C)2004,JPO |
