Title :
Preparation of metal particulate smooth tape oriented longitudinally inside and perpendicularly at surface (MP-LIPS)
Author :
Satoh, Y. ; Ohtsubo, A. ; Masuko, T. ; Kurematsu, M.
Author_Institution :
Fac. of Eng., Yamagata Univ., Yonezawa, Japan
fDate :
11/1/1988 12:00:00 AM
Abstract :
An LIPS tape and a relatively-random-inside-layer-PS (RIPS) tape with some perpendicular orientation and smoothness (Ra ~0.014 μm, comparable to that of a longitudinal tape) were prepared with metallic iron needle particles by a novel method of magnetic orientation, which is described in detail. The LIPS and RIPS tapes showed higher output than a longitudinal tape at short wavelengths (λ<1 μm). It was higher by 8 dB for the RIPS at λ=0.3 μm
Keywords :
magnetic properties of fine particles; magnetic tapes; 0.3 micron; 1 to 7 MHz; Fe needle particles; LIPS tape; RIPS tapes; longitudinal orientation; magnetic orientation; metal particulate smooth tape; output; short wavelengths; surface perpendicular orientation; Demagnetization; Iron; Lips; Magnetic films; Needles; Permanent magnets; Perpendicular magnetic recording; Rough surfaces; Surface roughness; Viscosity;
Journal_Title :
Magnetics, IEEE Transactions on
