Alloy target for manufacturing a magneto-optical recording mediu

Details Alloy target for manufacturing a magneto-optical recording mediu Alloy target for manufacturing a magneto-optical recording mediu

1988-04-29

1990-04-10

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75230, 75243, 419 23, 419 45, C22C 2900

Patent

active

049157370

ABSTRACT:
An alloy target for making a magneto-optical recording medium by sputtering comprises an alloy containing 10 to 50 atom % of at least one rare earth element selected from among Sm, Nd, Gd, Tb, Dy, Ho, Tm and Er, with a balance consisting substantially of at least one transition metal selected from among Co, Fe and Ni. The alloy has a mixed structure composed of at least three phases of intermetallic compounds formed by the rare earth element and the transition metal.

REFERENCES:
patent: 4578242 (1986-03-01), Sharma
patent: 4620872 (1986-11-01), Hijikata et al.
patent: 4767455 (1988-09-01), Jourdan

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