Compound radius guide post

Details Compound radius guide post Compound radius guide post

1993-03-08

1994-01-25

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Head accessory

G11B 1560

Patent

active

052821056

ABSTRACT:
The invention is a tape guiding post including a tape engaging surface having a longitudinal contour with a compound radius of curvature. In the preferred embodiment, the longitudinal contour has a smoothly varying radius of curvature. The outer portions of the contour have a relatively large radius of curvature and blend smoothly into a central portion which is of a relatively small radius of curvature to allow for any desired bending of the tape in its easy direction. The combination minimizes both friction and stiction between the tape and the guide. The guide is also laterally contoured to accommodate droop at the edges of the tape, caused by low air pressure at the edges.

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IBM TDB Oct. 1986 pp. 2126-2127 Compliant Guide Assembly with High Wear Resistance Contact Pads.
IBM J of R&D Nov. 1974 pp. 513-520 Dynamic Response of Self-Acting Foil Bearings.
Fluid Film Lubrication Article W. A. Gross, et al. 1980.
JAP Aricle, Feb. 1987 pp. 1646-1648 Reduction of Friction between a tape and a smooth surface by acoustic excitation.

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