Multilayer magnetic head core

Details Multilayer magnetic head core Multilayer magnetic head core

1978-04-07

1980-12-30

Lucas, Jay P.

Dynamic magnetic information storage or retrieval

Head

Core

360127, G11B 516, G11B 514

Patent

active

042427118

ABSTRACT:
In a metal-insulator alternate type multilayer head core usable for magnetic sound recording and reproducing, metallic component layers are connected to each other via one or more metallic interconnecting layers passing locally through insulating component layers in order to provide high effective permeability with minimized eddy current loss. In manufacturing, a metal-insulator alternate type multilayer construction including the metallic interconnecting layer or layers is subjected to sintering in order to avoid intermetal separation to be otherwise caused by cracking in the insulating layers.

REFERENCES:
patent: 2452529 (1948-10-01), Snoek
patent: 2807676 (1957-09-01), Lynn
patent: 2809237 (1957-10-01), Bergman
patent: 2992474 (1961-07-01), Adams
patent: 3175049 (1965-03-01), Gabor
patent: 3192608 (1965-07-01), Rinia
Magnetic Materials, F. Brailsford, John Wiley and Sons, 1948, (dated 1962), p. 12.

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