(19)
(11) EP 0 705 230 A1

(12)

(43) Date of publication:
10.04.1996 Bulletin 1996/15

(21) Application number: 94920023.0

(22) Date of filing: 24.05.1994
(51) International Patent Classification (IPC): 
C04B 35/ 46( . )
H01Q 1/ 38( . )
C04B 35/ 465( . )
(86) International application number:
PCT/US1994/005649
(87) International publication number:
WO 1994/029236 (22.12.1994 Gazette 1994/28)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE

(30) Priority: 09.06.1993 US 19930076291
07.03.1994 US 19940207446

(71) Applicant: THE GOVERNMENT OF THE UNITED STATES OF AMERICA as represented by the SECRETARY OF THE ARMY
Washington, DC 20310 (US)

(72) Inventors:
  • SENGUPTA, Louise, C.
    Woburn, MA 01801 (US)
  • NGO, Eric
    Brighton, MA 02135 (US)
  • STOWELL, Steven
    Jamaica Plain, MA 02130 (US)
  • O'DAY, Michelina, E.
    Andover, MA 01810 (US)
  • LANCTO, Robert
    Wakefield, MA 01880 (US)

(74) Representative: Sieb, Rolf, Dr. 
Finstertal 12
D-69514 Laudenbach
D-69514 Laudenbach (DE)

   


(54) NOVEL CERAMIC FERROELECTRIC COMPOSITE MATERIAL - BSTO-MgO