Method for producing Mn-Al thin films

Details Method for producing Mn-Al thin films Method for producing Mn-Al thin films

1995-06-01

1996-07-09

Sheehan, John

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148101, 2041422, H01F 100

Patent

active

055340806

ABSTRACT:
A method of producing a Mn-Al thin film with excellent magnetic properties for magnetic recording medium use. The method includes magnetron sputtering to form a selective composition of Mn-Al .epsilon.-phase thin film on a low temperature substrate, then applying a heat treatment under the controlled conditions for a desirable temperature and time period, thereby to transform the .epsilon.-phase film to a .tau.-phase film with high value of saturation magnetization and coercivity.

REFERENCES:
patent: 4342608 (1982-08-01), Willens
patent: 4533603 (1985-08-01), Fukuda et al.

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