Process for coating a magnetic disk

Details Process for coating a magnetic disk Process for coating a magnetic disk

1990-04-06

1991-07-09

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

427130, 427131, 427335, 427348, 427352, 427355, 4273855, 427425, 428 64, 428695, 428900, H01F 1002

Patent

active

050304801

ABSTRACT:
A process for depositing a lubricating coating on the silicon oxide protective layer of a magnetic disk, wherein after having cleaned the disk, the sequence for coating the surface of the disk includes the steps of: setting the magnetic disk into rotation; spraying onto the protective layer of the disk, in the direction of rotation, a lubricant containing carrier gases, solvents, and active oxyhydrocarbon monomeric elements that are polymerized and then adsorbed to the protective layer; spraying a solvent on the disk in the direction of rotation; and wiping the disk. The invention is applicable to a variety of disk structures, including magnetooptical disks.

REFERENCES:
"Impressionen aus einer Plattenspeicherfertigung", Elektronik, vol. 34, No. 22, Oct. 1985, pp. 131-135, Munich, Germany.

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