Magnetic properties and longitudinal recording performance of corrosion-resistant alloy films
作者： R. Fisher , J. Allan , J. Pressesky
DOI: 10.1109/TMAG.1986.1064593
关键词:
摘要: This paper describes the magnetic properties, recording performance and corrosion resistance of sputtered CoCr alloy films CoCrTa films. The saturation magnetization was 525 emu/cc not affected by substitution a small amount Ta. exhibit greater coercive force values than maximum 1400 Oe at thickness 400A, whereas similar 900 Oe. decreases linearly with temperature (25°C. to 125°C.) rate 3.16 Oe/°C. for 1.87 CoCr. Longitudinal -3 dB signal level 8386 flux reversals/cm (21,300 fci) 11,063 (28,100 respectively. alloys exhibited 80% relative humidity 65° C. two-week period equivalent least six years under ambient disc drive conditions.
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