Thin film magnetic head substrate with improved heat radiation

Details Thin film magnetic head substrate with improved heat radiation Thin film magnetic head substrate with improved heat radiation

1998-04-22

2000-02-22

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Core

G11B 5147

Patent

active

060287500

ABSTRACT:
There is obtained a substrate for thin film magnetic head having extremely excellent heat radiation and insulation properties and extremely flat surface. On a substrate comprising ceramics or single crystal member, a substrate for thin film magnetic head is constituted with a high thermal conductive insulating film having a thickness in the range of 10-1500 .ANG., thermal conductivity at room temperature higher than 45 W/m.multidot.K, and volume inherent resistance higher than 10.sup.8 .OMEGA..multidot.cm.

REFERENCES:
patent: 5901021 (1999-05-01), Hirano

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