(19)
(11) EP 2 272 673 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.10.2014 Bulletin 2014/43

(43) Date of publication A2:
12.01.2011 Bulletin 2011/02

(21) Application number: 10185490.9

(22) Date of filing: 22.07.2003
(51) International Patent Classification (IPC): 
B41J 2/16(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

(62) Application number of the earlier application in accordance with Art. 76 EPC:
09170192.0 / 2163389
03817537.8 / 1646504

(71) Applicant: Canon Kabushiki Kaisha
Tokyo 146-8501 (JP)

(72) Inventors:
  • Ohkuma, Norio
    Tokyo Tokyo 146-8501 (JP)
  • Shimomura, Akihiko
    Tokyo 146-8501 (JP)
  • Hino, Etsuko
    Tokyo 146-8501 (JP)
  • Ueda, Hikaru
    Tokyo 146-8501 (JP)
  • Schmidt, Helmut
    66130, Saarbrücken (DE)
  • Müller, Peter
    49808, Lingen (DE)
  • Pilotek, Steffen
    66111 Saarbrücken (DE)
  • Becker-Willinger, Carsten
    66130, Saarbrücken (DE)
  • Kalmes, Pamela
    66287, Quierschied (DE)

(74) Representative: TBK 
Bavariaring 4-6
80336 München
80336 München (DE)

   


(54) Ink jet head and its manufacture method


(57) An ink jet head is formed with a nozzle surface having a liquid repellent characteristic. The nozzle surface comprises a condensation product made from a hydrolyzable silane compound having a fluorine containing group and a hydrolyzable silane compound having a cationic polymerizable group.







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