Magnetic head with concave contact face

Details Magnetic head with concave contact face Magnetic head with concave contact face

1985-09-12

1987-11-10

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

G11B 5187

Patent

active

047061464

ABSTRACT:
A magnetic head has a contact face (2) for a magnetic tape which can be moved in a direction (V) along the face (2). A transfer gap (3) lies in a region (6) of the contact face (2), which is curved into a concave shape in the direction of movement (V). On either side of this region (6) there are located regions (7, 8) curved into a convex shape in the direction of movement (V). The contact face (2) is curved into a convex shape transverse to the direction of movement (V). Due to the shape of the contact face (2), an information carrier exerts only a low pressure on and near the transfer gap (3), as a result of which the degree of wear is low at this area and the life of the magnetic head is long.

REFERENCES:
patent: 3663767 (1972-03-01), Shimotori et al.
patent: 4531170 (1985-07-01), Takei et al.
Brock et al., "Magnetic Head Structure", IBM TDB, Nov. 1975, vol. 18, No. 6, p. 1743.

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