Film magnetic head having a corrosion prevention layer provided

Details Film magnetic head having a corrosion prevention layer provided Film magnetic head having a corrosion prevention layer provided

1988-10-27

1992-10-27

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Core

357 71, G11B 5147

Patent

active

051595141

ABSTRACT:
An economical and reliable film magnetic head comprises magnetic layers, a coil conductor layer, insulating layers, and a protective layer formed on a substrate, with copper electrode pads connected to the coil conductor layer. A layer of Ti or Cr is formed on the surface of each electrode pad, preventing the copper electrode pads from corroding.

REFERENCES:
patent: 4417387 (1983-11-01), Heslop
patent: 4622576 (1986-11-01), Buynoski
patent: 4740855 (1988-04-01), Diepers
patent: 4836883 (1989-06-01), Hatcher

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