EP 0277416 A3 19900516 - PERMANENT MAGNET ALLOY FOR ELEVATED TEMPERATURE APPLICATIONS
Title (en)
PERMANENT MAGNET ALLOY FOR ELEVATED TEMPERATURE APPLICATIONS
Publication
Application
Priority
US 1073887 A 19870204
Abstract (en)
[origin: EP0277416A2] A permanent magnet alloy comprises R2Fe14B, wherein, R is a combination of rare earth elements consisting essentially of, in atomic percent, neodymium 1 to 11 and balance holmium. The alloy may include optional additions of the rare earth elements gadolinium up to 10%, perbium up to 15%, dysprosium up to 16%, erbium up to 18% and thulium up to 13%.
IPC 1-7
IPC 8 full level
C22C 38/00 (2006.01); H01F 1/053 (2006.01); H01F 1/057 (2006.01)
CPC (source: EP)
H01F 1/057 (2013.01)
Citation (search report)
- [A] EP 0134305 A1 19850320 - SUMITOMO SPEC METALS [JP]
- [A] EP 0185439 A1 19860625 - CRUCIBLE MATERIALS CORP [US]
- [A] PATENT ABSTRACTS OF JAPAN, vol. 10, no. 367 (E-462)[2424], 9th December 1986; & JP-A-61 164 206 (SEIKO INSTR. & ELECTRONICS LTD) 24-07-1986
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0277416 A2 19880810; EP 0277416 A3 19900516; JP S63195246 A 19880812
DOCDB simple family (application)
EP 87310200 A 19871119; JP 2143088 A 19880202