JPS5763271A - Ink jet head - Google Patents
Ink jet headInfo
- Publication number
- JPS5763271A JPS5763271A JP13874680A JP13874680A JPS5763271A JP S5763271 A JPS5763271 A JP S5763271A JP 13874680 A JP13874680 A JP 13874680A JP 13874680 A JP13874680 A JP 13874680A JP S5763271 A JPS5763271 A JP S5763271A
- Authority
- JP
- Japan
- Prior art keywords
- ink
- liquid chamber
- vibration
- absorbing member
- rear wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/055—Devices for absorbing or preventing back-pressure
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
PURPOSE:To jet ever stable ink particles by providing an ultrasonic wave absorbing member on the rear wall of a liquid chamber for preventing the reflection of the vibration of ink on the rear wall of the liquid chamber and for stabilizing the vibration of ink within the liquid chamber resulting from temperature variation. CONSTITUTION:An ultrasonic wave absorbing member 12 is disposed on the rear wall (a wall in the vicinity of an ink inlet 11) of a liquid chamber 6. A pressurized ink is supplied into the liquid chamber 6 from an ink supply tube 14 through the ink inlet 11 and an ink passage 13 and is jetted out through a nozzle 3. An electrostrictive vibrator 7 is caused to vibrate by the application of a high frequency signal so that the ink contained in the liquid chamber 6 is excited. Since the vibration of the ink is not reflected by the absorbing member 12, the vibration of the ink within the liquid chamber is stabilized if the wavelength of the vibration of the ink is changed with the change in termperature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13874680A JPS5763271A (en) | 1980-10-06 | 1980-10-06 | Ink jet head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13874680A JPS5763271A (en) | 1980-10-06 | 1980-10-06 | Ink jet head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5763271A true JPS5763271A (en) | 1982-04-16 |
Family
ID=15229203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13874680A Pending JPS5763271A (en) | 1980-10-06 | 1980-10-06 | Ink jet head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5763271A (en) |
-
1980
- 1980-10-06 JP JP13874680A patent/JPS5763271A/en active Pending
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