| 摘要 |
PURPOSE:To provide a powder of scale form made of a soft magnetic substance which is applied along with a coat and used to shield magnetism. CONSTITUTION:In a magnetic shielding powder of D50: 10-40mum and aspect ratio (D50/d):20-500 where d is an average thickness 0.02-0.6mum, and D50 is a grain diameter as weights amount to 50% in the order of smaller grain diameters to larger ones obtained by a size distributor, a magnetic shielding powder having an ingredient composition consisting of M:15-30atom%, Cr:3-15 atom%, C:0.5-3atom%, remnant: Fe, and inevitable impurities where M is one or two kinds of Al or Si. |
