Substrate material for magnetic head and magnetic head using sam

Details Substrate material for magnetic head and magnetic head using sam Substrate material for magnetic head and magnetic head using sam

1990-03-15

1993-06-08

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

360122, 420430, 428900, 501 41, 501 46, B32B 900

Patent

active

052178188

ABSTRACT:
A substrate material for a magnetic head, which comprises an oxide composed mainly of WO.sub.3 and has a thermal expansion coefficient of 100 to 130.times.10.sup.-7 /.degree. C., and a magnetic head using the substrate material.

REFERENCES:
patent: 3661600 (1972-05-01), Izumitani et al.
patent: 4660114 (1987-04-01), Yamakawa et al.
patent: 4681813 (1987-07-01), Yamada et al.
Gardner et al. Handbook of Chemical Synonyms and Tradenames, 8th Ed. 1978; CRC Press.

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