In-situ texturing of a thin film magnetic medium

Details In-situ texturing of a thin film magnetic medium In-situ texturing of a thin film magnetic medium

1992-12-29

1995-03-21

Pianalto, Bernard

Coating processes

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

Ion plating or implantation

2041921, 427131, 427132, 427203, 427205, 427527, 427528, 427529, H01F 1002

Patent

active

053993861

ABSTRACT:
A magnetic storage medium is composed of a non-wettable substrate upon which a transient liquid metal layer is deposited and maintained as a distribution of discontinuous liquid features. An intermediate metal layer is subsequently deposited in-situ in an atmosphere comprising oxygen and at least one inert gas. A magnetic layer is then deposited on the intermediate metal layer. The surface topology and magnetic characteristics of the medium are controlled by adjusting the thickness of the TLM layer and the conditions under which the TLM layer, intermediate metal layer, and magnetic layer are deposited.

REFERENCES:
patent: 4539264 (1985-09-01), Yazawa et al.
patent: 5053250 (1991-10-01), Baseman et al.
patent: 5063120 (1991-11-01), Edmonson et al.
patent: 5134038 (1992-07-01), Baseman et al.
Mirzamaani, Janes & Russak, "Thin film disks with transient metal underlayers," IEEE Trans., vol. 28, No. 5, Sep. 1992, pp. 3090-3092.

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