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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Fernandez-de-Castro, J.J. George, P.K. Machelski, R.J. |
| Copyright Year | 1965 |
| Abstract | Several approaches to achieving high area density in rigid disc magnetic recording with magnetoresistive heads are currently being pursued. The mainstream approach has been dictated by the introduction of two IBM products. These products use soft-adjacent layer (SAL) transverse biasing and either exchange coupling or permanent magnet longitudinal biasing. Rotated current biasing, characteristic of barberpole and slanted contact (SC) biasing, offers the advantages of processing simplicity but suffers from a relatively wide read sensitivity function (RSF). The 45/spl deg/ contact geometry produces a long tail on one side of the RSF which causes excessive adjacent track crosstalk. It is possible to produce readwidths as narrow as 2.5 /spl mu/m by using the proper current direction and narrow contacts. This approach allows the practical implementation of 5000-6000 tpi devices and 500 Mb/in/sup 2/ technology. This paper describes the electrical characteristics of one such design and attempts to extrapolate the future performance of SC technology.< |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 3846 |
| Ending Page | 3848 |
| Page Count | 3 |
| File Size | 348715 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 30 |
| Issue Number | 6 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1994-11-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Electric variables Magnetic recording Magnetoresistance Magnetic heads Couplings Permanent magnets Geometry Probability distribution Crosstalk Contacts |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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