Damping material of an improved formulation for use on a magneti

Details Damping material of an improved formulation for use on a magneti Damping material of an improved formulation for use on a magneti

1988-07-26

1990-02-27

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Core

360104, G11B 516

Patent

active

049051113

ABSTRACT:
A damping material (19) is provided on one of the two side faces (7, 8), of a magnetic head having two plate shaped ferrite core limbs (3, 4). The material consists of a synthetic resin filled with less than 30% by volume of filler having a density of more than 10.times.10.sup.3 kg/m.sup.3. The filler is at least 74% by weight of the damping material and the density of the damping material is larger than 4.times.10.sup.3 kg/m.sup.3 and its modulus of elasticity ranges between 10.sup.7 and 10.sup.9 Pa.

REFERENCES:
patent: 4528652 (1985-07-01), Horner et al.

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