A device and method for preparing media discs (2) in which servowriting and verification of the media may be carried out simultaneously. A common monolithic platform (1) is provided which supports air bearing systems which allow movement of a media disc rotary carrier (5), a servowriting headstack (3) and certifier headstack (4). Indirect drive may be provided to the rotary carrier (5) via coupling means (62).

 
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< Magnetic head and tunnel junction magneto-resistive head having plural ferromagnetic layers associated with an antiferromagnetic coupling layer for magnetically biasing the sensing free layer

< Information recording medium and system controller

> Method and apparatus providing a self-vaccine for a disk drive

> Leak detection system of hard disk drives with lubricant reservoir

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