Recording media with mechanically patterned landing zone

Details Recording media with mechanically patterned landing zone Recording media with mechanically patterned landing zone

2005-04-12

2005-04-12

Resan, Stevan A. (Department: 1773)

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

C428S332000, C428S426000, C428S409000, C428S690000

Reexamination Certificate

active

06878426

ABSTRACT:
A method of manufacturing a magnetic recording medium, comprises steps of providing a non-magnetic substrate for a magnetic medium, the substrate including at least one major surface having a contact start/stop (CSS) or landing zone and a data zone; and forming a pattern of recesses in the substrate surface in said CSS or landing zone by embossing utilizing a stamper having a surface including a negative image pattern of said pattern of recesses. Embodiments of the invention include magnetic media comprising a non-magnetic substrate including at least one major surface having a contact start/stop (CSS) or landing zone and a data zone, said substrate surface in said CSS or landing zone comprising an embossed pattern of recesses. In addition, the data zone of the substrate surface may include an embossed servo pattern formed simultaneously with the embossed pattern of recesses formed in the landing zone.

REFERENCES:
patent: 5976714 (1999-11-01), Arita et al.
patent: 6020045 (2000-02-01), Chen et al.
patent: 6094413 (2000-07-01), Guerra
patent: 6246543 (2001-06-01), Baumgart et al.
patent: 6267864 (2001-07-01), Yadav et al.
patent: 6287663 (2001-09-01), Goto

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