Patent ID: 6432226
Filing Date: 2002-08-13
Classification: C22C,H01F

Abstract:
A magnetic alloy that is at least 70% glassy, having the formulaCoaNibFecMdBeSifCg where M is at least one element selected from the group consisting of Cr, Mo, Mn and Nb, â€œa-gâ€”gâ€  are in atom percent and the sum of â€œa-gâ€”gâ€  equals 100, â€œaâ€  ranges from about 25 to about 60, â€œbâ€  ranges from about 5 to about 45, â€œcâ€  ranges from about 6 to about 12, â€œdâ€  ranges from about 0 to about 3, â€œeâ€  ranges from about 5 to 25, â€œfâ€  ranges from about 2 to about 15 and â€œgâ€  ranges from about 0 to 6, said alloy having a value of the saturation magnetostriction between âˆ’3 ppm and +3 ppm, said alloy having been annealed at a temperature below said alloy's first crystallization temperature, said alloy having a rectangular dc Bâ€”H hysteresis loop with a dc Bâ€”H loop squareness exceeding about 75%, and said alloy having an as-cast saturation induction exceeding 0.52 Tesla.