EP 0157669 B1 19870902 - COMPOSITE MAGNETIC CIRCUIT AND METHOD FOR MANUFACTURING SUCH A CIRCUIT
Title (en)
COMPOSITE MAGNETIC CIRCUIT AND METHOD FOR MANUFACTURING SUCH A CIRCUIT
Publication
Application
Priority
FR 8403266 A 19840302
Abstract (en)
[origin: EP0157669A1] 1. Composite magnetic circuit consisting of at least two parts (11, 12) made of soft magnetic alloy, each of the parts (11, 12) consisting of a nickel-iron alloy of very high permeability containing more than 75% of nickel by weight and at least one element from the group of molybdenum, copper and chromium and having a maximum relative impedance permeability measured at 50 Hz of at least 200 x 10**3 G/Oe (0.25Tm/A), characterized in that the said parts have different curves of relative impedance permeability as a function of the temperature of measurement around the ambient temperature.
IPC 1-7
IPC 8 full level
H01F 1/14 (2006.01); H01F 1/147 (2006.01); H01F 3/04 (2006.01); H01F 3/10 (2006.01)
CPC (source: EP)
H01F 1/14708 (2013.01); H01F 3/04 (2013.01); H01F 3/10 (2013.01); H01F 2003/106 (2013.01)
Designated contracting state (EPC)
AT BE CH DE GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0157669 A1 19851009; EP 0157669 B1 19870902; AT E29331 T1 19870915; DE 3560540 D1 19871008; ES 540840 A0 19861016; ES 8700791 A1 19861016; FR 2560711 A1 19850906; FR 2560711 B1 19870320; ZA 851595 B 19851030
DOCDB simple family (application)
EP 85400402 A 19850301; AT 85400402 T 19850301; DE 3560540 T 19850301; ES 540840 A 19850301; FR 8403266 A 19840302; ZA 851595 A 19850301