(19)
(11) EP 0 396 703 A1

(12)

(43) Date of publication:
14.11.1990 Bulletin 1990/46

(21) Application number: 89912468.0

(22) Date of filing: 06.11.1989
(51) International Patent Classification (IPC): 
C01G 35/ 00( . )
H01L 41/ 22( . )
C23C 16/ 40( . )
(86) International application number:
PCT/GB1989/001321
(87) International publication number:
WO 1990/005202 (17.05.1990 Gazette 1990/11)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 05.11.1988 GB 19880025948

(71) Applicant: PLESSEY OVERSEAS LIMITED
Ilford Essex IG1 4AQ (GB)

(72) Inventors:
  • TRUNDLE, Clive
    Towcester Northants (GB)
  • HASDELL, Neil Bernard
    Moulton Northampton (GB)

(74) Representative: Pope, Michael Bertram Wingate 
The General Electric Company, p.l.c. GEC Patent Department Waterhouse Lane
Chelmsford, Essex CM1 2QX
Chelmsford, Essex CM1 2QX (GB)

   


(54) A METHOD FOR THE PRODUCTION OF THIN FILM PEROVSKITE PHASE LEAD SCANDIUM TANTALATE