Method for manufacturing a combination read/write thin film magn

Details Method for manufacturing a combination read/write thin film magn Method for manufacturing a combination read/write thin film magn

1998-09-18

2000-01-04

Talbot, Brian K.

Coating processes

Magnetic base or coating

Magnetic coating

427132, 20419215, 2041922, B05D 512, C23C 1400

Patent

active

060107456

ABSTRACT:
The lower core layer 7 is formed in approximately constant thickness at the portion confronting the upper core layer so that its thickness gradually reduces toward its side edge. Therefore, the thickness of the layer of the non-magnetic material 8 formed on the lower core layer 7 becomes uniform, stabilizing the coil layer formed thereon. An excellent material of soft magnetic materials can be used since the lower core layer 7 is formed by sputtering, enabling to record at a high frequency.

REFERENCES:
patent: 3908194 (1975-09-01), Romankiw
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patent: 5264980 (1993-11-01), Mowry et al.
patent: 5331728 (1994-07-01), Argyle et al.
patent: 5388019 (1995-02-01), Argyle et al.
patent: 5435053 (1995-07-01), Krounbi et al.
patent: 5493464 (1996-02-01), Koshikawa
patent: 5530609 (1996-06-01), Koga et al.

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