Method for increasing linear bit density in magneto-optical...

Details Method for increasing linear bit density in magneto-optical... Method for increasing linear bit density in magneto-optical...

G - Physics

11

B

352/33.3

G11B 11/03 (2006.01) G11B 7/12 (2006.01) G11B 7/125 (2006.01) G11B 11/105 (2006.01)

Patent

CA 2015899

Abstract of the Disclosure An apparatus for storing and reading a magneto- optical disk has a slit shaped aperture located in an air-bearing slider which flies above the disk. Domains of the disk are selected for storing or reading by a light beam. The domains are reduced in size without losing inter-domain resolution by illuminating the disk with the portion of a focused laser beam incident on the disk through the slit, the slit width being less than the full beam width. The slider preferably terminates a wedge-shaped cavity suspended above the medium a distance substantially less than the wavelength of the illuminating light; the thickness of the walls of the slit being substantially less than the wavelength of the illuminating light.

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