Title :
High spatial-resolution domain-observation of longitudinal thin film media by spin-polarized scanning electron microscopy
Author :
Matsuyama, H. ; Koike, K. ; Tomiyama, F. ; Shiroishi, Y. ; Ishikawa, A. ; Aoi, H.
Author_Institution :
Adv. Res. Lab., Hitachi Ltd., Saitama, Japan
fDate :
5/1/1994 12:00:00 AM
Abstract :
A noise generating mechanism is studied by observing recorded bits of two kinds of high-density recording media, in the 50-140 kFCI range, that produce different levels of noise. The noise power is found to be mainly correlated with the zigzag wavelength of the bit boundary
Keywords :
magnetic disc storage; magnetic domains; scanning electron microscopy; bit boundary; high spatial-resolution domain-observation; high-density recording media; longitudinal thin film media; noise generating mechanism; noise power; recorded bits; spin-polarized scanning electron microscopy; zigzag wavelength; Chromium; Magnetic films; Magnetic flux; Noise generators; Noise level; Noise reduction; Saturation magnetization; Scanning electron microscopy; Sputtering; Transistors;
Journal_Title :
Magnetics, IEEE Transactions on
