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(11)

EP 0 873 567 A1

(12)

(43) Date of publication: 28.10.1998 Bulletin 1998/44 (21) Application number: 97901927.0 (22) Date of filing: 08.01.1997

(51) International Patent Classification (IPC):  H01F 1/ 153( . ) H01F 27/ 24( . ) H01F 17/ 06( . ) H01F 27/ 25( . ) (86) International application number: PCT/US1997/000178 (87) International publication number: WO 1997/025727 (17.07.1997 Gazette 1997/31)

(84) Designated Contracting States: AT CH DE DK FR GB IE IT LI NL (30) Priority: 11.01.1996 US 19960584787 (71) Applicant: AlliedSignal Inc. Morristown, New Jersey 07962-2245 (US)

(72) Inventors: COLLINS, Aliki Newton, MA 02166 (US) SILGAILIS, John Cedar Grove, NJ 07009 (US) ABOU-ELIAS, Joseph Great Meadows, NJ 07838 (US) MARTIS, Ronald, J. East Hanover, NJ 07936 (US) HASEGAWA, Ryusuke Morristown, NJ 07960 (US) (74) Representative: Weber, Dieter, Dr., et al  Weber, Dieter, Dr., Seiffert, Klaus, Dipl.-Phys., Lieke, Winfried, Dr. Postfach 61 45 65051 Wiesbaden 65051 Wiesbaden (DE)