Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1994-05-20
1997-03-04
Kiliman, Leszek
Stock material or miscellaneous articles
Composite
Of inorganic material
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.
Masuda Kaoru
Meguro Takashi
Hitachi Metals Ltd.
Kiliman Leszek
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