Process and apparatus for the manufacture of rigid magnetic disc

Details Process and apparatus for the manufacture of rigid magnetic disc Process and apparatus for the manufacture of rigid magnetic disc

1975-07-21

1977-01-04

Weiffenbach, Cameron K.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

118640, 335284, 427128, 427130, B05D 314, B05B 500

Patent

active

040014630

ABSTRACT:
A process and apparatus for the manufacture of magnetic discs in which the preferred direction of particle orientation is parallel to the plane of the disc and tangential to its circumference. The base discs coated with the still fluid magnetic dispersion, are introduced into a zone of magnetic flux bounded by conductors, the conducting boundary being so arranged that the current flow on one side of the base disc runs radially outwards and on the other side runs radially inwards.

REFERENCES:
patent: 3001891 (1961-09-01), Stoller
patent: 3588771 (1971-06-01), Martin

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