Dynamic magnetic information storage or retrieval – Head – Hall effect
Patent
1976-07-14
1978-07-11
Wolff, John H.
Dynamic magnetic information storage or retrieval
Head
Hall effect
G11B 530
Patent
active
041005830
ABSTRACT:
A thin-film magnetic head for writing information in and reading information from a track of a magnetic recording medium in which the head comprises a magnetically permeable yoke having two limbs between which a writing and reading gap is formed. In a construction in which the limbs of the yoke are opposite to each other, one limb is interrupted by a gap which is bridged by a magneto-resistive reading element. In a construction in which the limbs of the yoke overlap each other at the area of the writing/reading gap, they are bridged by a magneto-resistive reading element in another place.
REFERENCES:
patent: 2852617 (1958-09-01), Thiele
patent: 3860965 (1975-01-01), Voegeli
patent: 3864751 (1975-02-01), Beaulieu et al.
patent: 3921217 (1975-11-01), Thompson
IBM Technical Disclosure Bulletin, vol. 15, No. 4, Sep. 1972, pp. 1206-1207.
Gerkema Jan T.
Gorter Frederik W.
Koel Gerrit J.
Smith Robert S.
Trifari Frank R.
U.S. Philips Corporation
Wolff John H.
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