Dynamic magnetic information storage or retrieval – Head – Core
Patent
1979-02-14
1981-01-27
Wolff, John H.
Dynamic magnetic information storage or retrieval
Head
Core
360122, G11B 522
Patent
active
042478782
ABSTRACT:
A multi-channel magnetic head used with a magnetic tape comprises a core housing and a plurality of U-shaped cores disposed in the core housing. Each U-shaped core is inclined to the running direction of the magnetic tape at such an angle that its legs trace different tracks of the tape. The U-shaped cores are juxtaposed widthwise of the tape at such regular intervals that the legs of any adjacent two cores trace different tracks of the tape.
A method for manufacturing U-shaped cores of a multi-channel magnetic head used with a magnetic tape. The method comprises steps of forming a U-shaped groove in core material in the form of an elongated tetragonal prism on one long face thereof, said groove extending in the lengthwise direction of the core material; cutting the edges of two walls defining the U-shaped groove therebetween to form wedges of an acute angle; and slicing the core material slantwise with respect to the axis of the U-shaped groove.
REFERENCES:
IBM/TDB, vol. 15, No. 6, Nov. 1972, "Interleaved Multielement Magnetic Head" by Kington.
IBM/TDB, vol. 9, No. 7, Dec. 1966, "Edge Effect Magnetic Recording" by Dawson et al.
Saitou Sinichi
Shimoda Misao
Olympus Optical Co,. Ltd.
Wolff John H.
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