Method for depositing a lubricant layer to manufacture a magneti

Details Method for depositing a lubricant layer to manufacture a magneti Method for depositing a lubricant layer to manufacture a magneti

1988-02-29

1989-11-21

Pianalto, Bernard

Coating processes

Measuring, testing, or indicating

427128, 427130, 427131, 427132, 4272556, 427375, 427384, 427404, 428 64, 428695, 428900, B05D 512

Patent

active

048821977

ABSTRACT:
In a method of depositing a lubricant layer on a protection layer of a magnetic base, a lubricant is vaporized in a hollow space which is kept at a predetermined temperature under ambient pressure. The predetermined temperature is determined between 100.degree. C. and 300.degree. C. in consideration of a material of the protection layer and a vapor pressure of the lubricant. Preferably, the vaporization of the lubricant is carried out in a thermostatic chamber which defines a hollow space divided by a mesh partition into an upper and a lower chamber. The magnetic base and the lubricant are placed in the upper chamber with the lubricant held in a boat while a heater is disposed in the lower chamber.

REFERENCES:
patent: 3466156 (1969-09-01), Peters et al.
patent: 3719525 (1973-03-01), Patel et al.
patent: 4069360 (1978-01-01), Yanagisawa et al.
patent: 4171388 (1979-10-01), Allen et al.
patent: 4390601 (1983-06-01), Ono et al.

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