Magnetic head, bonding glass used therefor and magnetic recordin

Details Magnetic head, bonding glass used therefor and magnetic recordin Magnetic head, bonding glass used therefor and magnetic recordin

1991-09-26

1993-08-24

Hannaher, Constantine

Dynamic magnetic information storage or retrieval

Head

Core

360120, G11B 5187, C03C 321

Patent

active

052394344

ABSTRACT:
A magnetic head of a structure in which a pair of magnetic cores, each comprising a magnetic film formed on a support, are butted and bonded to each other with glass and with the interposition of a non-magnetic gap material. The bonding glass is an oxide type glass containing vanadium as main constituent, and 55% or more of vanadium contained in the glass is tetravalent vanadium. This magnetic head is excellent in mass productivity, wear resistance, scratch resistance, weather resistance and magnetic properties.

REFERENCES:
patent: 4794483 (1988-12-01), Naitoh et al.
Rawson, Inorganic Glass-Forming Systems; Chapter 11, "Tellurite and Vanadate Glasses." Academic Press (1967) pp. 185-197.

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