Method of generating micro-topography on a surface

Details Method of generating micro-topography on a surface Method of generating micro-topography on a surface

1993-09-09

1994-11-29

Pianalto, Bernard

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

427128, 427129, 427130, 427256, 427299, 4273855, 427514, 427595, 427598, B05D 314

Patent

active

053688988

ABSTRACT:
A method of generating micro-topography on a surface comprises the steps of using an analog signal to record a magnetic latent image corresponding to the micro-topography to be formed on the surface of a magnetic medium, applying to the magnetic medium a DC magnetic field weaker than its coercive force, supplying a magnetic fluid to the surface of the magnetic medium and allowing super-fine magnetic particles in the magnetic fluid to be attracted to and deposited on the magnetic medium in accordance with the intensity distribution of the leakage magnetic field from the magnetic latent image, and fixing the super-fine magnetic particles.

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