Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1994-08-12
1998-08-11
Kiliman, Leszek
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428213, 428694R, 428694T, 428694TS, 428694TM, 428694TR, 428900, 360110, 360113, 324252, 148100, G11B 566
Patent
active
057925461
ABSTRACT:
A magneto-resistive head is provided with a substrate, a lower shield layer made of a Fe-system magnetic material and provided above the substrate, and a non-magnetic insulator layer provided above the lower shield layer. The non-magnetic insulator layer has a function of suppressing deterioration of surface roughness of the lower shield layer when subjected to an annealing process under a magnetic field in order to improve magnetic characteristics of the lower shield layer to desired magnetic characteristics.
REFERENCES:
patent: 3908194 (1975-09-01), Romankiw
patent: 4785366 (1988-11-01), Krounbi et al.
patent: 4918554 (1990-04-01), Bajorek et al.
Kanai Hitoshi
Kanamine Michiaki
Kane Junichi
Toda Junzo
Uehara Yuji
Fujitsu Limited
Kiliman Leszek
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