Coating apparatus – With means to apply electrical and/or radiant energy to work... – Electrostatic and/or electromagnetic attraction or...
Patent
1986-05-09
1987-06-16
Pianalto, Bernard D.
Coating apparatus
With means to apply electrical and/or radiant energy to work...
Electrostatic and/or electromagnetic attraction or...
B05B 502
Patent
active
046729135
ABSTRACT:
In a method of and apparatus for making a magnetic recording medium, a plurality of rod-like orientation magnets are positioned in spaced relation in the movement direction of a non-magnetic substrate so that the magnetic pole facing the non-magnetic substrate is different between adjacent orientation magnets and the orientation magnets are oblique with respect to the substrate movement direction and alternately point reversely. The spaces between the orientation magnets are adjusted so that the intensity of the magnetic field generated in the substrate movement direction between adjacent orientation magnets is 50 Oe or less. A magnetic coating composition is applied onto the non-magnetic substrate, and magnetic grains contained in the composition are randomly orientated by the orientation magnets.
Kato Mikihiko
Kato Shin-ichi
Komatsu Kazunori
Komine Shigeo
Ferguson Jr. Gerald J.
Fuji Photo Film Co. , Ltd.
Hoffman Michael P.
Malamud Ronni S.
Pianalto Bernard D.
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