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Design and performance of a magnetic head for a high-density tape drive

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5 Author(s)
D. M. Cannon ; IBM General Products Division, Tucson, Arizona 85744, USA ; W. R. Dempwolf ; J. M. Schmalhorst ; F. B. Shelledy
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The design of a magnetic head for use in the tape drive portion of the IBM 3480 Magnetic Tape Subsystem required that advances be made in track density and linear recording density while meeting requirements for signal quality, manufacturability, and reliability. The design that was developed to fulfill these needs combines ferrite pole-pieces, magnetoresistive read elements, and planar-deposited write turns. This paper describes the read and write elements of the head and the approach used in the selection of the design parameters.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:30 ,  Issue: 3 )