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Fabrication of high density magnetic recording media using metal particles

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2 Author(s)
Lin, I.F. ; IBM Corp., San Jose, CA, USA ; Wang, C.

The feasibility of making a metal-particle-rigid disk has been demonstrated. To improve the quality of dispersion, a special type of surfactant and a pigment-pretreatment cycle were necessary. A unique combination of coating parameters has been selected to overcome the instability of magnetic coating. Sharp transition (PW50=0.029 μ) and higher linear density (3 dB roll off >40 kbpi) were obtained by using a magnetoresistance head. The prospect of using metal particles in a rigid disk is discussed

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Magnetics, IEEE Transactions on  (Volume:26 ,  Issue: 1 )