Patent ID: 6599401
Filing Date: 2003-07-29
Classification: B82Y,C23C,G01R,Y10T

Abstract:
A method of making giant magnetoresistive structures magnetized along an easy anisotropy axis, comprising:depositing on Si (100) wafers with natural oxide using a magnetron sputtering system while providing an existing magnetic field in the magnetron sputtering system with a strength in the range of 10 to 40 Oe at a sample location: a Fe buffer layer, and lower and upper Co layers separated by a nonmagnetic Cu spacer, wherein: vacuum base pressure is better than 2Ã—10âˆ’7 Torr, Ar pressure is in the range of 2-10 mTorr, and deposition rates are in the range of 0.5 to 4 Ã¥/s for Fe, Co, and Cu.