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New MSR method for high density read only memory disks

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3 Author(s)
M. Birukawa ; Inf. Storage Mater. Lab., Toyota Technol. Inst., Nagoya, Japan ; T. Suzuki ; N. Miyatake

A new MSR-ROM method for high density recording utilizes the difference in coercivity between “rough” and “smooth” areas in a disk. This method is advantageous for mass production and for the compatibility with erasable magneto-optical recording using MSR. A recording density of 5 Gbit/inch2 is expected in this method, the same as the double mask type MSR technique in rewritable disk. This paper describes the principle of MSR-ROM and the results of a basic experiment

Published in:

IEEE Transactions on Magnetics  (Volume:34 ,  Issue: 4 )