Browse Prior Art Database

Head Assembly

IP.com Disclosure Number: IPCOM000043050D
Original Publication Date: 1984-Jul-01
Included in the Prior Art Database: 2005-Feb-04
Document File: 2 page(s) / 44K

Publishing Venue

IBM

Related People

Bareman, PR: AUTHOR [+3]

Abstract

Skew adjustment and direct penetration control of a multi-track, multi-gap magnetic head assembly are facilitated by providing mating partial-cylinder surfaces, one on the head housing itself and the other on the stationary head support block. Fig. 1 is a front view of head assembly 10. Lines 11 and 12 designate the head's gap lines, one being multi-track read gaps and the other being multi-track write gaps which are parallel to each other. A length of magnetic recording tape (not shown) is supported by foil air bearings 13 and 14, as the tape wraps about the head. Tape movement direction is shown by arrow 15. Ideally, the direction of tape movement is perpendicular to parallel gap lines 11 and 12, and if such does not exist, it is necessary to adjust the head's position by rotating the head.

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Head Assembly

Skew adjustment and direct penetration control of a multi-track, multi-gap magnetic head assembly are facilitated by providing mating partial-cylinder surfaces, one on the head housing itself and the other on the stationary head support block. Fig. 1 is a front view of head assembly 10. Lines 11 and 12 designate the head's gap lines, one being multi-track read gaps and the other being multi-track write gaps which are parallel to each other. A length of magnetic recording tape (not shown) is supported by foil air bearings 13 and 14, as the tape wraps about the head. Tape movement direction is shown by arrow
15. Ideally, the direction of tape movement is perpendicular to parallel gap lines 11 and 12, and if such does not exist, it is necessary to adjust the head's position by rotating the head. The head and the air bearings are mounted to a rigid support block 20. A partial-circular-cylinder, head-support-surface 21 is carried by the center support block. Partial-cylinder 21 is generated about an axis 22 which is formed by lines perpendicular to both direction of tape movement 15 and linear gap lines 11 and 12. A mating partial-circular-cylinder surface 30, on head 10, is formed such that when head 10 is mounted on cylindrical surface 21 of tape support block 20, the head penetrates the tape path. Rotation of head 10, on mating partial-cylinder surfaces 21 and 30, brings gap lines 11 and 12 to be truly perpendicular to the direction of tape movement....