(19)
(11) EP 0 410 765 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
29.05.1991 Bulletin 1991/22

(43) Date of publication A2:
30.01.1991 Bulletin 1991/05

(21) Application number: 90308226.1

(22) Date of filing: 26.07.1990
(51) International Patent Classification (IPC)5: H01B 1/22, H01B 1/24, H05K 3/12, H05B 3/12
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 26.07.1989 GB 8917078

(71) Applicant: THORN EMI plc
London W1A 2AY (GB)

(72) Inventors:
  • Davidson, Paul
    Hillingdon, Middlesex (GB)
  • Terry, Colin Ivan
    Hayes, Middlesex UB3 0HT (GB)

(74) Representative: Hurst, Richard Arthur Alexander et al
THORN EMI Patents Limited, Central Research Laboratories, Dawley Road
Hayes, Middlesex UB3 1HH
Hayes, Middlesex UB3 1HH (GB)


(56) References cited: : 
   
       


    (54) An electrically conductive ink


    (57) An electrically conductive ink, and film-type tracks made therefrom comprise a dendritic metal and carbon in a mixture which affords good electrical conductivity. Such inks and tracks are particularly adaptable for use in heated automotive mirrors.







    Search report