(19)
(11) EP 1 029 677 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.12.2000 Bulletin 2000/52

(43) Date of publication A2:
23.08.2000 Bulletin 2000/34

(21) Application number: 00102986.7

(22) Date of filing: 14.02.2000
(51) International Patent Classification (IPC)7: B41J 2/14
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 15.02.1999 JP 3656099

(71) Applicant: KONICA CORPORATION
Tokyo (JP)

(72) Inventors:
  • Nishi, Shinichi, c/o Konica Corporation
    Hino-shi, Tokyo (JP)
  • Maekawa, Yoshikazu, c/o Konica Corporation
    Hino-shi, Tokyo (JP)

(74) Representative: Henkel, Feiler, Hänzel 
Möhlstrasse 37
81675 München
81675 München (DE)

   


(54) Ink jet head


(57) An ink jet head (1), comprises an ink chamber (4) provided with a nozzle through which an ink is jetted; an actuator (5) to jet the ink accommodated in the ink chamber through the nozzle; an electrode (7) to drive the actuator; and a circuit board (6) having a through-hole (8); wherein a part of the electrode is led outside through the through-hole in the circuit board.






Search report