Contact magnetic recording disk file with a magnetoresistive read sensor

摘要: A contact magnetic recording rigid disk file utilizes a magnetoresistive (MR) sensor for reading data recorded on the disk. The may be of liquid-bearing type with MR supported trailing end carrier which rides liquid bearing. performance is enhanced by including means minimizing effect discovered baseline read signal modulation. modulation has been determined to caused variable cooling temperature-sensitive and temperature-elevated disk, temperature variation being directly related in head-disk spacing waviness surface filter incorporated into processing circuitry eliminate modulation, designed operate at selected parameters minimize portion have length less than period so that it more closely follows topography.