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Title:
LIQUID DISCHARGING METHOD, AND LIQUID DISCHARGING HEAD
Document Type and Number:
Japanese Patent JP2008055630
Kind Code:
A
Abstract:

To reduce the generation of fine liquid droplets which follow main droplets accompanying a liquid discharge.

Air bubbles 6 which are generated from a heating element 2 being arranged on the rear surface of an orifice plate 4 are made to advance into a discharging port 5. Then, the leading end of the air bubbles 6 is made to reach at least the liquid discharging surface 8 of the orifice plate 4. A column-form liquid remaining in the central section of the discharging port 5 by being pinched by the air bubbles 6 is parted by a contraction force resulting from the surface tension toward the central section of the discharging port 5.


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Inventors:
INOUE TAKASHI
TAMURA YASUYUKI
Application Number:
JP2006232181A
Publication Date:
March 13, 2008
Filing Date:
August 29, 2006
Export Citation:
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Assignee:
CANON KK
International Classes:
B41J2/05
Domestic Patent References:
JP2001277511A2001-10-09
JP2006150900A2006-06-15
JPH0494639U1992-08-17
JP2004216902A2004-08-05
JP2003311961A2003-11-06
JP2001277511A2001-10-09
JP2006150900A2006-06-15
JPH0494639U1992-08-17
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Masaaki Ogata



 
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