Optimization of a magnetic printing process by computer simulation
2001
A novel magnetic printing technique with a lithographically patterned master disk, which writes servo patterns onto a magnetic medium (slave disk), has been proposed. We discuss optimum conditions of the magnetic printing process by analyzing waveforms of signals experimentally retrieved from a hard disk drive medium. The waveforms observed at different dc magnetic fields applied to the master and slave disks during the printing process are well explained by computer simulation using a finite element method.
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