Title:
INK JET HEAD AND ITS MANUFACTURING PROCESS
Document Type and Number:
Japanese Patent JP2005153510
Kind Code:
A
Abstract:
To prevent incomplete ink ejection due to stripping of a nozzle plate or corrosion of an electrode after long term use.
The ink jet head 100 comprises a channel substrate 1 where an electrode film (not shown) and a polyparaxylylene film (not shown) are deposited in an ink channel 11 becoming the channel of ink, and a nozzle plate 3 is bonded to the front end face 10 of the channel substrate 1. In the ink jet head 100, the front end face 10 of the channel substrate 1 and the nozzle plate 3 are bonded not through a polyparaxylylene film but through an epoxy based adhesive having a glass transition point of 100°C or above.
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Inventors:
YOSHIZAWA TOMOMI
NISHI SHINICHI
WATANABE HIDEO
HIRANO TADASHI
NISHI SHINICHI
WATANABE HIDEO
HIRANO TADASHI
Application Number:
JP2004309757A
Publication Date:
June 16, 2005
Filing Date:
October 25, 2004
Export Citation:
Assignee:
KONICA MINOLTA HOLDINGS INC
International Classes:
B41J2/01; B41J2/045; B41J2/055; B41J2/16; (IPC1-7): B41J2/045; B41J2/01; B41J2/055; B41J2/16
Domestic Patent References:
| JP2003251478A | 2003-09-09 | |||
| JP2002240304A | 2002-08-28 | |||
| JPH0994954A | 1997-04-08 | |||
| JPH0817073A | 1996-01-19 | |||
| JPH01204982A | 1989-08-17 | |||
| JP2001235473A | 2001-08-31 | |||
| JPH06235913A | 1994-08-23 |
Foreign References:
| WO1996041721A1 | 1996-12-27 |
Attorney, Agent or Firm:
Hiroshi Arafune