Method for disorienting magnetic particles

Details Method for disorienting magnetic particles Method for disorienting magnetic particles

1978-06-05

1980-06-17

Pianalto, Bernard D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427128, H01F 1000

Patent

active

042084474

ABSTRACT:
This invention provides an improved method and apparatus for manufacturing magnetic recording media; specifically, that which is to be used in the manufacture of flexible, magnetic recording disks. The process provides a sequence of disorienting magnetic fields in different directions and of diminishing strengths to form a magnetic media in which the magnetic particles are essentially disoriented and the media is, thereby, devoid of modulated signal envelopes.

REFERENCES:
patent: 3627580 (1971-12-01), Krall

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