Patent ID: 6063491
Filing Date: 2000-05-16
Classification: H01L,Y10S,Y10T

Abstract:
A magnetoresistance effects film comprising:first and second magnetic thin films deposited on a substrate;at least one nonmagnetic thin film interposed between said first and second magnetic thin films; anda permanent magnet thin film disposed adjacent to said first magnetic thin film,a bias magnetic field of said first magnetic thin film induced by said permanent magnet thin film having an intensity H.sub.ch which is greater than a coercivity H.sub.c2 of said second magnetic thin film (H.sub.ch >H.sub.c2), andsaid permanent magnet thin film comprising one of CoCr, CoCrTa, CoCrTaPt, CoCrPt, CoNiPt, CoNiCr, CoCrPtSi and FeCoCr.