Ink jet recording device using thermal propulsion and mechanical pressure changes
AssigneeCanon Kabushiki Kaisha
InventorsToshitami Hara, Yashushi Sato, Yasushi Takatori, Yoshiaki Shirato
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Abstract
A device for recording comprising ejecting a liquid recording medium by heat energy which comprises a recording head composed of a discharging orifice for ejecting the liquid recording medium in a form of droplets, an inlet for introducing the liquid recording medium, a liquid chamber for holding the liquid recording medium, and a heating element for applying heat energy to the liquid recording medium in the liquid chamber, and a means for applying voltage pulse to control heating by the heating element, the distance between the surface of the heating element and the liquid recording medium being not more that 100 microns.
Claims23
A device for recording comprising ejecting a liquid recording medium by heat energy which comprises a recording head composed of
- a discharging orifice for ejecting the liquid recording medium in a form of droplets,
- an inlet for introducing the liquid recording medium,
- a liquid chamber for holding the liquid recording medium, and
- a heating element for applying heat energy to the liquid recording medium in the liquid chamber, and
- a means for generating a mechanical pressure change in the liquid recording medium flowing into the liquid chamber, a means for synchronizing the application of heat energy to the liquid recording medium with the generation of the mechanical pressure change, and
- a means for applying voltage pulse to control heating by the heating element, the distance between the surface of the heating element and the liquid recording medium being not more than 100 microns.
A device for recording comprising ejecting a liquid recording medium by heat energy which comprises a recording head composed of
- a discharging orifice for ejecting the liquid recording medium in a form of droplets,
- an inlet for introducing the liquid recording medium,
- a liquid chamber for holding the liquid recording medium, and
- a heating element for applying heat energy to the liquid recording medium in the liquid chamber,
- a means for generating mechanical pressure changes in the liquid recording medium flowing into the liquid chamber,
- a means for synchronizing the application of heat energy to the liquid recording medium with the generation of the mechanical pressure change,
- a means for applying voltage pulse to control heating by the heating element,
- the heating element being immersed in the liquid recording medium in the liquid chamber, and the distance between the surface of the heating element and the liquid recording medium being not more than 100 microns.
A device for recording comprising ejecting a liquid recording medium by heat energy which comprises a recording head composed of
- a discharging orifice for ejecting the liquid recording medium in a form of droplets,
- an inlet for introducing the liquid recording medium,
- a liquid chamber for holding the liquid recording medium, and
- a heating element for applying heat energy to the liquid recording medium in a liquid chamber, and
- a means for generating a mechanical pressure change in the liquid recording medium flowing into the liquid chamber, a means for synchronizing the application of heat energy to the liquid recording medium with the generation of the mechanical pressure change, and
- the distance between the surface of the heating element and the liquid recording medium being not more than 100 microns.
A device for recording comprising ejecting a liquid recording medium by heat energy which comprises a recording head composed of
- a discharging orifice for ejecting the liquid recording medium in a form of droplets,
- an inlet for introducing the liquid recording medium,
- a liquid chamber for holding the liquid recording medium, and
- a heating element for applying heat energy to the liquid recording medium in the liquid chamber,
- a means for generating mechanical pressure changes in the liquid recording medium flowing into the liquid chamber,
- a means for synchronizing the application of heat energy to the liquid recording medium with the generation of the mechanical pressure change,
- the heating element being immersed in the liquid recording medium in the liquid chamber, and the distance between the surface of the heating element and the liquid recording medium being not more than 100 microns.
Dependencies are inferred from the claim text.