The Polar Magneto-Optic Kerr effect system characterizes the magnetic properties of the perpendicular magnetic recording (PMR) layer immediately after deposition, an important factor in the yield of disk drive media. The full disk, non-contact measurement technique and automated handling make the Polar Kerr system essential for production use and yield improvement. By quickly and accurately measuring the magnetic parameters crucial to PMR media production, the Polar Kerr system improves the ability to control the complex deposition process.
Gray-scale map of recording layer Hc
Production screen mapping results in graphical and tabular formats.
Recoil loop measurements and other complex measurements may be programmed using macro language.
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