Target for magneto-optical recording medium and process for prod

Stock material or miscellaneous articles – Composite – Of inorganic material

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428692, 428694SC, 428694LE, 420416, 419 33, 419 48, 419 57, 419 60, 75319, 75245, 75246, 75255, 75348, 75351, G11B 566, B22F 900

Patent

active

056077807

ABSTRACT:
Disclosed are a target material for magneto-optical recording medium having a structure formed by sintering of an RE-TM phase (A) having a composition with an RE content higher than that of the composition of an intermetallic compound represented by the chemical formula TM.sub.2 RE, and a TM-RE phase (B) having a composition with an RE content equal to or lower than that of the composition of an intermetallic compound represented by the chemical formula TM.sub.2 E, wherein RE denotes at least one rare earth element selected from the group of elements consisting of Nd, Gd, Tb, Dy, Ho and Er, and TM denotes at least one element selected from the group of metals of the iron group which consists of Fe, Co and Ni; and a process for producing the same.

REFERENCES:
patent: 4620872 (1986-11-01), Hijikata et al.
patent: 4824481 (1989-04-01), Chatterjee et al.
patent: 4957549 (1990-11-01), Matsumoto et al.

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