Negative pressure head contour in a linear tape recording system

Details Negative pressure head contour in a linear tape recording system Negative pressure head contour in a linear tape recording system

1999-01-05

2000-09-19

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Fluid bearing record support

Tape record

36013021, G11B 1560

Patent

active

061221473

ABSTRACT:
A magnetic head assembly in a linear tape system having an interface region having a substantially flat region with a substantially square leading edge and at least one cavity in the flat region. The cavity has a depth of about 0.5 micrometers to about 20 micrometers. At least one read-write element is located on the flat region adjacent to the cavity. As a magnetic tape traversing the interface region, a sub-ambient condition is generated. The magnetic tape is bent or otherwise deformed as it passes over the cavity, thereby increase tape stability at the interface with the read-write elements. A magnetic tape system for recording, reproducing and/or erasing magnetic information in a linear tape system or for servo-writing magnetic tapes is also disclosed.

REFERENCES:
patent: 3573769 (1971-04-01), Flora
patent: 3643037 (1972-02-01), Norwood
patent: 3872507 (1975-03-01), Sano et al.
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patent: 5751527 (1998-05-01), Sundaram et al.
patent: 5781383 (1998-07-01), Strand
"The Self-Acting, Subambient Foil Bearing in High Speed, Contact Tape Recording with a Flat Head," Muftu et al., Tribology Transactions, vol. 41 (1998), 1, pp. 19-26.
"Contact Tape Recording with a Flat Head Contour," Hinteregger et al., IEEE Transactions on Magnetics, vol. 32, No. 5, Sep. 1996, pp. 3476-3478.

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