Transition noise analysis of thin film magnetic recording media

B Slutsky, HN Bertram - IEEE transactions on magnetics, 1994 - ieeexplore.ieee.org
A simple but accurate expression for general non-stationary noise correlation in the
presence of a recorded transition is analyzed in terms of both noise voltage and spectral …

Transition noise spectral measurements in thin film media

GH Lin, HN Bertram - IEEE transactions on Magnetics, 1994 - ieeexplore.ieee.org
Noise in thin film media is concentrated at the transition center and must be characterized by
a nonstationary autocorrelation function. The noise voltage spectrum is determined by the …

Noise autocorrelation in high density recording on metal film disks

YS Tang - IEEE Transactions on Magnetics, 1986 - ieeexplore.ieee.org
This paper presents measurement and analysis of noise associated with closely spaced
transitions. The measured noise autocorrelation function is found to be similar to noise …

Magnetization fluctuations in uniformly magnetized thin-film recording media

TJ Silva, HN Bertram - IEEE transactions on magnetics, 1990 - ieeexplore.ieee.org
The noise power spectrum of uniformly magnetized media is measured. The measured
spectra are corrected for playback effects (gap loss, spacing loss, head differentiation, and …

Noise in high performance thin-film longitudinal magnetic recording media

N Belk, P George, G Mowry - IEEE Transactions on Magnetics, 1985 - ieeexplore.ieee.org
The problem of noise in thin-film longitudinal media is analyzed experimentally and
theoretically. The physical mechanism for the noise is shown to be fluctuations in the …

General analysis of noise in recorded transitions in thin film recording media

HN Bertram, X Che - IEEE transactions on magnetics, 1993 - ieeexplore.ieee.org
General noise voltage relations based on magnetization correlations in thin film recording
media have been developed. Transition position jitter or amplitude fluctuations are a …

Transition noise in thin-film media

M Madrid, R Wood - IEEE Transactions on Magnetics, 1986 - ieeexplore.ieee.org
At low linear recording densities noise in thin-film media is proportional to the transition
density. At moderate densities the noise increases more rapidly, a fact which has been …

Measurements and analysis of transition noise in perpendicular media

C Fu, Z Jin, HN Bertram, Y Wu… - IEEE transactions on …, 2003 - ieeexplore.ieee.org
Transition noise is dominant in high-density magnetic recording using thin-film media. In this
paper transition noise is measured for a variety of perpendicular media. Both frequency-and …

DC modulation noise and demagnetizing fields in thin metallic media

GJ Tarnopolsky, LT Tran, AM Barany… - IEEE transactions on …, 1989 - ieeexplore.ieee.org
Measurements of noise excited in magnetic recording media by a head energized by direct
current yield a peak noise when the total field in the medium equals the remanent coercivity …

Spatial structure of media noise in film disks

E Yarmchuk - IEEE Transactions on Magnetics, 1986 - ieeexplore.ieee.org
Measurements of the spatial structure of media noise across the track direction are made
using new techniques involving computer processing of digitized transient read signal …