Title :
Magnetic analysis of contact head/tape spacing
Author :
Luo, Peng ; Tan, Sanwu ; Bertram, H. Neal ; Hughes, Gordon ; Talke, Frank E.
Author_Institution :
Center for Magnetic Recording Res., California Univ., San Diego, La Jolla, CA, USA
fDate :
11/1/2000 12:00:00 AM
Abstract :
A new magnetic analysis method is used to determine the mean magnetic spacing of a contact head/tape interface. The initial part of the curve of readback signal amplitude versus recording current is measured at a low recording density and is fitted by using theoretical approximations to obtain the head/tape spacing. A tape looper test stand, inductive heads, and various high-density metal particle tapes are used in the recording measurements. The mean head/tape spacing obtained from magnetic analysis agrees well with the results from numerical analysis of mechanical measurements
Keywords :
digital magnetic recording; magnetic heads; magnetic tape storage; tape recorders; contact head/tape spacing; high-density metal particle tapes; inductive heads; magnetic analysis method; readback signal amplitude; recording current; recording density; tape looper test stand; Magnetic analysis; Magnetic field measurement; Magnetic heads; Magnetic recording; Magnetization; Mechanical variables measurement; Rough surfaces; Surface roughness; Testing; Voltage;
Journal_Title :
Magnetics, IEEE Transactions on
