Magnetic data-storage targets and methods for preparation

Details Magnetic data-storage targets and methods for preparation Magnetic data-storage targets and methods for preparation

1997-10-07

2000-09-26

Sheehan, John

Metal treatment

Stock

Magnetic

148313, 148315, H01F 114

Patent

active

061237833

ABSTRACT:
A method for making a magnetic data storage target includes warm-rolling a magnetic alloy sheet at a temperature of less than about 1200.degree. F., optimally followed by annealing. The method results in increased pass-through-flux (PTF) and improved performance in magnetron sputtering applications.

REFERENCES:
patent: 5334267 (1994-08-01), Taniguchi et al.
patent: 5500057 (1996-03-01), Inoue et al.
Weigert, M. et al. "Improved Magnetic Behaviour of Cobalt-Based-Alloy Sputter-Target Material," Materials Science and Engineering, A139 (1991) 359-363.
Chan, L.H. et al. "Magnetic Properties and Microstructure of Co-Cr Bulk Alloys," Journal of Magnetism and Magnetic Materials, 79 (1989) 95-108.

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