EP 0394020 A3 19911009 - FERRITE PARTICLES AND FERRITE RESIN COMPOSITE FOR BONDED MAGNETIC CORE

Title (en)

FERRITE PARTICLES AND FERRITE RESIN COMPOSITE FOR BONDED MAGNETIC CORE

Publication

EP 0394020 A3 19911009 (EN)

Application

EP 90304167 A 19900418

Priority

JP 5071590 A 19900228
JP 10120489 A 19890419

Abstract (en)

[origin: EP0394020A2] Ferrite particles suitable for a bonded magnetic core which particles comprise crystal grains of from 5 to 15 mu m in average diameter and have an average particle diameter of from 20 to 150 mu m and a magnetic permeability of not less than 25; a ferrite resin composition thereof; and a process for producing the same.

IPC 1-7

H01F 1/36; H01F 1/37

IPC 8 full level

H01F 1/36 (2006.01); H01F 1/37 (2006.01)

CPC (source: EP)

H01F 1/36 (2013.01); H01F 1/37 (2013.01)

Citation (search report)

[X] EP 0044592 A1 19820127 - PHILIPS NV [NL]
[AD] US 4268430 A 19810519 - SUZUKI KAZUO, et al
[A] FR 2254536 A1 19750711 - XEROX CORP [US]
[A] US 4352717 A 19821005 - WATANABE YASUO, et al

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0394020 A2 19901024; EP 0394020 A3 19911009; EP 0394020 B1 19940914; DE 69012398 D1 19941020; DE 69012398 T2 19950202

DOCDB simple family (application)

EP 90304167 A 19900418; DE 69012398 T 19900418