Patent ID: 6288981
Filing Date: 2001-09-11
Classification: G11B

Abstract:
A magnetic recording device comprising: a magnetic recording medium having a magnetic recording layer, a head comprising an optical recording head with which data are recorded on the magnetic recording medium and a magneto-resistive head or a giant magneto-resistive head with which data are read out from the magnetic recording medium, and a drive unit associating said magnetic recording medium with the head; wherein the radius of curvature R of a magnetic domain shape recorded on the magnetic recording layer, a recorded track width Tw, a record bit length B and a shield gap Gs of a (giant) magneto-resistive head satisfy the following condition:B-(R-(R.sup.2 -(Tw/2).sup.2).sup.0.5).gtoreq.2/3.multidot.G.sub.s /2.