Global Patent Index - EP 1051714 A1

EP 1051714 A1 2000-11-15 - SOFT MAGNETIC NICKEL-IRON ALLOY WITH LOW COERCIVE FIELD STRENGTH, HIGH PERMEABILITY AND IMPROVED RESISTANCE TO CORROSION

Title (en)

SOFT MAGNETIC NICKEL-IRON ALLOY WITH LOW COERCIVE FIELD STRENGTH, HIGH PERMEABILITY AND IMPROVED RESISTANCE TO CORROSION

Title (de)

WEICHMAGNETISCHE NICKEL-EISEN-LEGIERUNG MIT KLEINER KOERZITIVFELDSTÄRKE, HOHER PERMEABILITÄT UND VERBESSERTER KORROSIONSBESTÄNDIGKEIT

Title (fr)

ALLIAGE NICKEL-FER MAGNETIQUE MOU A INTENSITE DE CHAMP COERCITIF, A PERMEABILITE PLUS ELEVEE ET A RESISTANCE A LA CORROSION AMELIOREE

Publication

EP 1051714 A1 (DE)

Application

EP 99906109 A

Priority

  • DE 19803598 A
  • EP 9900066 W

Abstract (en)

[origin: DE19803598C1] The invention relates to a soft magnetic nickel-iron alloy containing 35-65 mass % nickel, one or several of the rare earths cerium, lanthanum, praseodymium or neodymium and the impurities introduced during smelting, the sum of the rare earths being between 0.003 and 0.05 mass %.

IPC 1-7 (main, further and additional classification)

H01F 1/147; C21D 8/12; C22C 19/03

IPC 8 full level (invention and additional information)

C21C 7/00 (2006.01); C21D 8/12 (2006.01); C22C 19/03 (2006.01); C22C 38/00 (2006.01); H01F 1/147 (2006.01); H01H 50/16 (2006.01)

CPC (invention and additional information)

H01F 1/14708 (2013.01); H01H 50/16 (2013.01)

Citation (search report)

See references of WO 9939358A1

Designated contracting state (EPC)

AT CH DE ES FR IT LI PT

EPO simple patent family

DE 19803598 C1 19990429; AT 211297 T 20020115; CN 1163915 C 20040825; CN 1275238 A 20001129; CZ 20002616 A3 20001115; CZ 301345 B6 20100120; EP 1051714 A1 20001115; EP 1051714 B1 20011219; EP 1051714 B2 20080430; ES 2169597 T3 20020701; ES 2169597 T5 20081101; HU 0003646 A2 20010228; HU 0003646 A3 20010428; HU 222469 B1 20030728; JP 2002502118 A 20020122; JP 2007314885 A 20071206; KR 100384768 B1 20030618; PL 192145 B1 20060929; PL 341568 A1 20010423; PT 1051714 E 20020628; SK 10832000 A3 20010312; SK 285293 B6 20061005; TR 200002190 T2 20001121; TW 418406 B 20010111; WO 9939358 A1 19990805

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