EP 0372948 A2 19900613 - Permanent magnet composition.
Title (en)
Permanent magnet composition.
Title (de)
Dauermagnet-Zusammenstellung.
Title (fr)
Composition pour aimant permanent.
Publication
Application
Priority
JP 30872088 A 19881208
Abstract (en)
An improved permanent magnet oomposition comprising 22 to 28 wt% R, 5 to 16% iron, 0.2 to 6.5 wt% copper, 0.1 to 6 wt% manganese, 0.5 to 6 wt% A, 0.1 to 2 wt% B and the balance cobalt, in which R is at least one of rare earth elements including yttrium, A is at least one of zince and zirconium and B is at least one element selected from the group of aluminum, bismath and thallium.
IPC 1-7
IPC 8 full level
C22C 38/00 (2006.01); C22C 19/07 (2006.01); C22C 38/16 (2006.01); H01F 1/053 (2006.01); H01F 1/055 (2006.01); H01F 1/057 (2006.01)
CPC (source: EP)
H01F 1/053 (2013.01); H01F 1/055 (2013.01); H01F 1/0577 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0372948 A2 19900613; EP 0372948 A3 19910529; EP 0372948 B1 19940629; DE 68916522 D1 19940804; DE 68916522 T2 19941013; JP H02156051 A 19900615; JP H0524219 B2 19930407
DOCDB simple family (application)
EP 89312748 A 19891207; DE 68916522 T 19891207; JP 30872088 A 19881208