Method of making a dual stripe magnetic head

Details Method of making a dual stripe magnetic head Method of making a dual stripe magnetic head

1991-02-07

1992-01-14

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360113, 360125, 427130, G11B 542

Patent

active

050798316

ABSTRACT:
The present invention is a method for constructing dual stripe magnetoresistive read heads by depositing each stripe on a separate substrate and then bringing the stripes together in the assembly process. The method of the present invention first forms two substrates and deposits a layer from which conductor leads and stripes will be defined upon them. Connecting pads are provided to allow all the conductor leads to terminate on one substrate and connect with a standard flex circuit. After the leads and stripes are defined, a layer of insulation is then placed over the stripes, leads and substrates. Finally, the substrates are shaped to the preferred from and mounted together to form a recording head with the magnetoresistive stripes precisely positioned adjacent to each other. Advantageously, this method permits the deposition of the MR strips at the same time and under the same deposition conditions.

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G. V. Kelley and R. A. Ketcham, "An Analysis of the Effect of Shield Length on the Performance of Magnetoresistive Heads," IEEE Trans. Magn., vol. MAG-14, Sep. 1978, pp. 515-516.
N. H. Yeh, "A Symmetrick Crosstalk of Magnetoresistive Head," IEEE Trans. Magn., vol. MAG-18, Nov. 1982, pp. 1155-1157.
G. V. Kelley, et al., "High-Track-Density, Coupled Film Magnetoresistive Head," IEEE, vol. Magn. 17, No. 6, Nov., 1981, pp. 2890-2891.

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