Liquid ejecting device and liquid ejecting method

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a plurality of bubble producing means for producing bubbles in the liquid in said liquid cell in response to supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the bubble producing means,
• wherein:
• said plurality of bubble producing means are disposed in said liquid cell;
• and
• all the bubble producing means in said liquid cell are supplied with energy, and by performing energy supply so that a difference is set between the time required for generating a bubble in the liquid by at least one of said plurality of bubble producing means, and the time required for generating a bubble in the liquid by another one of said plurality of bubble producing means, a flying characteristic of the liquid ejected from said nozzle is controlled based on the difference.

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a bubble producing region for producing a bubble in the liquid in said liquid cell in response to supply of energy, said bubble producing region forming at least part of one internal wall of said liquid cell;
• and
• a nozzle for ejecting the liquid in said liquid cell by the bubble produced by said bubble producing region,
• wherein an energy distribution in said bubble producing region which is obtained when the energy is supplied to said bubble producing region has a difference, and based on the difference, a flying characteristic of the liquid ejected from said nozzle is controlled.

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a plurality of bubble producing means for producing bubbles in the liquid in said liquid cell in response to supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the bubble producing means,
• wherein:
• said plurality of bubble producing means are disposed in said liquid cell;
• and
• said plurality of bubble producing means comprise:
• main operation-control means for ejecting liquid from said nozzle by supplying the energy to all the bubble producing means;
• and
• sub operation-control means which supplies the energy to all the bubble producing means and which, by setting a difference between a manner of supplying energy to at least one of said plurality of bubble producing means and a manner of supplying energy to another one of said plurality of bubble producing means, uses said nozzle to perform ejection based on the difference of liquid having a flying characteristic different from that of the liquid ejected by said main operation-control means.

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a plurality of bubble producing means for producing bubbles in the liquid in said liquid cell in response to supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the bubble producing means,
• wherein:
• said plurality of bubble producing means are disposed in said liquid cell;
• and
• said plurality of bubble producing means comprise:
• main operation-control means for ejecting liquid from said nozzle by supplying the energy to all the bubble producing means;
• and
• sub operation-control means which supplies the energy to all the bubble producing means and which, by setting a difference between a manner of supplying energy to at least one of said plurality of bubble producing means and a manner of supplying energy by said main operation-control means, uses said nozzle to perform ejection based on the difference of liquid having a flying characteristic different from that of the liquid ejected by said main operation-control means.

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a bubble producing region for producing a bubble in the liquid in said liquid cell in response to supply of energy, said bubble producing region forming at least part of one internal wall of said liquid cell;
• a nozzle for ejecting the liquid in said liquid cell by the bubble produced by said bubble producing region;
• main operation-control means which ejects liquid from said nozzle by supplying energy to said bubble producing region;
• and
• sub operation-control means which, by setting a difference in an energy distribution in said bubble producing region which is obtained when the energy is supplied to said bubble producing region, uses said nozzle to perform ejection based on the difference of liquid having a flying characteristic different from that of the liquid ejected by said main operation-control means.

A liquid ejecting method which, by using a plurality of bubble producing means in a liquid cell to produce bubbles in liquid contained in the liquid cell by supplying energy to said plurality of bubble producing means, ejects the liquid from a nozzle by using the produced bubbles,

• wherein the liquid ejected from said nozzle is controlled to have at least two different characteristics by using:
• a main operation-control step in which the liquid is ejected from said nozzle by supplying uniform energy to all the bubble producing means in said liquid cell;
• and
• a sub operation-control step in which energy is supplied to all the bubble producing means in said liquid cell and in which, by setting a difference between a manner of supplying energy to at least one of said plurality of bubble producing means and a manner of supplying energy to another one of said plurality of bubble producing means, the liquid ejected from said nozzle is controlled based on the difference to have a flying characteristic different from that of the liquid ejected in said main operation-control step.

A liquid ejecting method which, by using a plurality of bubble producing means in a liquid cell to produce bubbles in liquid contained in the liquid cell by supplying energy to said plurality of bubble producing means, ejects the liquid from a nozzle by using the produced bubbles,

• wherein the liquid ejected from said nozzle is controlled to have at least two different characteristics by using:
• a main operation-control step which ejects the liquid from said nozzle by supplying energy to all the bubble producing means in said liquid cell;
• and
• a sub operation-control step which supplies the energy to all the bubble producing means and which, by setting a difference between a manner of supplying energy to at least one of said plurality of bubble producing means and a manner of supplying energy in said main operation-control step, uses said nozzle to perform ejection based on the difference of liquid having a flying characteristic different from that of the liquid ejected in said main operation-control step.

A liquid ejecting method which, by using a bubble producing region forming at least part of one internal wall of a liquid cell to produce a bubble in liquid contained in said liquid cell, ejects the liquid from a nozzle by using the produced bubble,

• wherein the liquid ejected from said nozzle is controlled to have at least two flying characteristics by using:
• a main operation-control step in which, by supplying energy so that an energy distribution in said bubble producing region is uniform, liquid is ejected from said nozzle;
• and
• a sub operation-control step in which, by setting a difference in the energy distribution in said bubble producing region when energy is supplied to said bubble producing region, a flying characteristic of the liquid ejected from said nozzle is controlled based on the difference to differ from that of the liquid ejected in said main operation-control step.

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a plurality of bubble producing means for producing bubbles in the liquid in said liquid cell in response to supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the bubble producing means,
• wherein:
• said plurality of bubble producing means are disposed in said liquid cell;
• and
• all the bubble producing means in said liquid cell are supplied with energy, and by setting a difference between a manner of supplying energy to at least one of said plurality of bubble producing means and a manner of supplying energy to another one of said plurality of bubble producing means, the liquid ejected from said nozzle is controlled based on the difference to be delivered to at least two different positions.

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a plurality of bubble producing means for producing bubbles in the liquid in said liquid cell in response to supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the bubble producing means,
• wherein:
• said plurality of bubble producing means are disposed in said liquid cell;
• and
• all the bubble producing means in said liquid cell are supplied with energy, and by performing energy supply so that a difference is set between the time required for generating a bubble in the liquid by at least one of said plurality of bubble producing means, and the time required for generating a bubble in the liquid by another one of said plurality of bubble producing means, the liquid ejected from said nozzle is controlled based on the difference to be delivered to at least two different positions.

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a bubble producing region for producing a bubble in the liquid in said liquid cell in response to supply of energy, said bubble producing region forming at least part of one internal wall of said liquid cell;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubble produced by said bubble producing region,
• wherein an energy distribution in said bubble producing region which is obtained when the energy is supplied to said bubble producing region has a difference, and based on the difference, the liquid ejected from said nozzle is controlled to be delivered to at least two different positions.

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a plurality of bubble producing means for producing bubbles in the liquid in said liquid cell in response to supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the bubble producing means,
• wherein:
• said plurality of bubble producing means are disposed in said liquid cell;
• and
• said plurality of bubble producing means comprise:
• main operation-control means for ejecting liquid from said nozzle by supplying energy to all the bubble producing means;
• and
• sub operation-control means which supplies the energy to all the bubble producing means and which, by setting a difference between a manner of supplying energy to at least one of said plurality of bubble producing means and a manner of supplying energy to another one of said plurality of bubble producing means, performs control based on the difference of the liquid ejected from said nozzle to be delivered to a position different from a position to which the liquid ejected by said main operation-control means is delivered.

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a plurality of bubble producing means for producing bubbles in the liquid in said liquid cell in response to supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the bubble producing means,
• wherein:
• said plurality of bubble producing means are disposed in said liquid cell;
• and
• said plurality of bubble producing means comprise:
• main operation-control means for ejecting liquid from said nozzle by supplying the energy to all the bubble producing means;
• and
• sub operation-control means which supplies energy to all the bubble producing means and which, by setting a difference between a manner of supplying energy to at least one of said plurality of bubble producing means and a manner of supplying energy by said main operation-control means, controls the liquid ejected from said nozzle to be delivered to a position different from a position to which liquid ejected by said main operation-control means is delivered.

A liquid ejecting device comprising:

• a liquid cell for containing liquid;
• a bubble producing region for producing a bubble in the liquid in said liquid cell in response to supply of energy, said bubble producing region forming at least part of one internal wall of said liquid cell;
• a nozzle for ejecting the liquid in said liquid cell by using the bubble produced by said bubble producing region;
• main operation-control means which ejects liquid from said nozzle by supplying energy to said bubble producing region;
• and
• sub operation-control means which, by setting a difference in an energy distribution in said bubble producing region which is obtained when the energy is supplied to said bubble producing region, controls the liquid ejected from said nozzle to be delivered to a position different from a position to which the liquid ejected by said main operation-control means is delivered.

A liquid ejecting method which, by using a plurality of bubble producing means in a liquid cell to produce bubbles in liquid contained in said liquid cell by supplying energy to said plurality of bubble producing means, ejects the liquid from a nozzle by using the produced bubbles,

• wherein the liquid ejected from said nozzle is controlled to be delivered to at least two different positions by using:
• a main operation-control step in which the liquid is ejected from said nozzle by supplying uniform energy to all the bubble producing means in said liquid cell;
• and
• a sub operation-control step in which all the bubble producing means in said liquid cell are supplied with energy and in which, by setting a difference between a manner of supplying energy to at least one of said plurality of bubble producing means and a manner of supplying energy to another one of said plurality of bubble producing means, the liquid ejected from said nozzle is controlled based on the difference to be delivered to a position different from a position to which the liquid ejected by said main operation-control step is delivered.

A liquid ejecting method which, by using a plurality of bubble producing means in a liquid cell to produce bubbles in liquid contained in said liquid cell by supplying energy to said plurality of bubble producing means, ejects the liquid from a nozzle by using the produced bubbles,

• wherein the liquid ejected from said nozzle is controlled to be delivered to at least two different positions by using:
• a main operation-control step in which the liquid is ejected from said nozzle by supplying uniform energy to all the bubble producing means in said liquid cell;
• and
• a sub operation-control step in which all the bubble producing means in said liquid cell are supplied with energy and in which, by setting a difference between a manner of supplying energy to at least one of said plurality of bubble producing means and a manner of supplying the energy in said main operation-control step, the liquid ejected from said nozzle is controlled based on the difference to be delivered to a position different from a position to which the liquid ejected in said main operation-control step is delivered.

A liquid ejecting method for ejecting liquid in a liquid cell from a nozzle by using a bubble produced in the liquid by supplying energy to a bubble producing region in said liquid cell, said bubble producing region forming at least part of one internal wall of said liquid cell,

• wherein the liquid ejected from said nozzle is controlled to be delivered to at least two different positions by using:
• a main operation-control step in which, by supplying the energy to said bubble producing region so that energy distribution in said bubble producing region is uniform, the liquid is ejected from said nozzle;
• and
• a sub operation-control step in which, by setting an energy distribution in said bubble producing which is obtained when the energy is supplied to said bubble producing region to have a difference, the liquid ejected from said nozzle is controlled to be delivered to a position different from a position to which the liquid ejected in said main operation-control step is delivered.

A liquid ejecting device having heads each including a plurality of liquid ejecting portions arranged in parallel in a predetermined direction, the liquid ejecting portions each comprising:

• a liquid cell for containing liquid;
• a plurality of heating elements for producing bubbles in response to the supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the heating elements,
• wherein:
• said plurality of heating elements are arranged in said predetermined direction in said liquid cell;
• and
• all the heating elements in said liquid cell are supplied with energy and by setting a difference between a manner of supplying energy to at least one of the heating elements and a manner of supplying energy to another one of the heating elements, a direction in which the liquid is ejected from said nozzle is controlled based on the difference.

A liquid ejecting device having heads each including a plurality of liquid ejecting portions arranged in parallel in a predetermined direction, the liquid ejecting portions each comprising:

• a liquid cell for containing liquid;
• a plurality of heating elements for producing bubbles in response to the supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the heating elements,
• wherein:
• said plurality of heating elements are arranged in said predetermined direction in said liquid cell;
• and
• all the heating elements in said liquid cell are supplied with energy, and by performing energy supply so that a difference is set between the time required for generating a bubble in part of the liquid by at least one of the heating elements, and the time required for generating a bubble in another part of the liquid by another one of the heating elements, a direction in which the liquid is ejected from said nozzle is controlled based on the difference.

A liquid ejecting device having heads each including a plurality of liquid ejecting portions arranged in parallel in a predetermined direction, the liquid ejecting portions each comprising:

• a liquid cell for containing liquid;
• a plurality of heating elements for producing bubbles in response to the supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the heating elements,
• wherein:
• said plurality of heating elements are arranged in said predetermined direction in said liquid cell;
• and
• for each of the heads, energy is supplied to all the heating elements in said liquid cell, and by setting a difference between a manner of supplying energy to at least one of the heating elements and a manner of supplying energy to another one of the heating elements, a direction in which the liquid is ejected from said nozzle is controlled based on the difference.

A liquid ejecting device having heads each including a plurality of liquid ejecting portions arranged in parallel in a predetermined direction, the liquid ejecting portions each comprising:

• a liquid cell for containing liquid;
• a plurality of heating elements for producing bubbles in response to the supply of energy;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the heating elements,
• wherein:
• said plurality of heating elements are arranged in said predetermined direction in said liquid cell;
• and
• for each of the heads, energy is supplied to all the heating elements in said liquid cell, and by performing energy supply so that a difference is set between the time required for generating a bubble in part of the liquid by at least one of the heating elements, and the time required for generating a bubble in another part of the liquid by another one of the heating elements, a direction in which the liquid is ejected from said nozzle is controlled based on the difference.

A liquid ejecting method using heads each including a plurality of liquid ejecting portions arranged in parallel in a predetermined direction, the liquid ejecting portions each including:

• a liquid cell for containing liquid;
• a plurality of heating elements for producing bubbles in response to the supply of energy, the heating elements being arranged in said predetermined direction in said liquid cell;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the heating elements,
• wherein all the heating elements in said liquid cell are supplied with energy, and by setting a difference between a manner of supplying energy to at least one of the heating elements and a manner of supplying energy to another one of the heating elements, a direction in which the liquid is ejected from said nozzle is controlled based on the difference.

A liquid ejecting method using heads each including a plurality of liquid ejecting portions arranged in parallel in a predetermined direction, the liquid ejecting portions each including:

• a liquid cell for containing liquid;
• a plurality of heating elements for producing bubbles in response to the supply of energy, the heating elements being arranged in said predetermined direction in said liquid cell;
• and
• a nozzle for ejecting the liquid in said liquid cell by using the bubbles produced by the heating elements,
• wherein all the heating elements in said liquid cell are supplied with energy, and by performing energy supply so that a difference is set between the time required for generating a bubble in part of the liquid by at least one of the heating elements, and the time required for generating a bubble in another part of the liquid by another one of the heating elements, a direction in which the liquid is ejected from said nozzle is controlled based on the difference.