Method for manufacturing multilayer head core

Details Method for manufacturing multilayer head core Method for manufacturing multilayer head core

1979-11-15

1983-05-17

Hunt, Brooks H.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making composite or hollow article

419 10, 419 38, B22F 500

Patent

active

043838561

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 which might be otherwise caused by cracking in the insulating layers.

REFERENCES:
patent: 2221983 (1940-11-01), Mayer et al.
patent: 3192086 (1965-06-01), Gyurk
patent: 3248214 (1966-04-01), Kroeger et al.
patent: 3353932 (1967-11-01), Shanley

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