FIELD: information storage equipment using hard drives with magnetoresistive reader. SUBSTANCE: device has hard drive for magnetic recording, hard drive rotation unit, magnetoresistive head, which is mounted on holder, unit which provides contact of holder to disk, unit for processing signal which is read by magnetoresistive head, holder movement drive. Disk is covered with liquid film. Holder has unit for keeping holder on liquid substrate. Disk drive has unit for decreasing effect of signal modulation caused by alternation of magnetoresistive detector cooling caused by difference in distance between disk and head due to buckles on disk surface. Goal of invention is achieved by filter which is introduced into signal for processing of signal to be read. Parameters of detector decrease modulation effect. Length of holder which contacts disk is less than disk buckles period. EFFECT: decreased signal modulation caused by disk buckles. 16 cl, 14 dwg
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