Abstract: A droplet applying apparatus includes a base having a mounting surface on which a substrate is to be mounted, an arm part which is fitted to the base so as to be movable relative to the base in an arrow A direction, and a plurality of droplet ejecting sections which are fitted to the arm part so as to be movable in an arrow B direction and which eject droplets to the substrate mounted on the mounting surface. The droplet ejecting sections are fitted on a fitting surface of a first beam member of the arm part as well as on a fitting surface of a second beam member of the arm part.

Abstract: A droplet applying apparatus includes a base 11 having a mounting surface 11a on which a substrate 10 is to be mounted, an arm part 4 which is fitted to the base 11 so as to be movable relative to the base 11 in an arrow A direction, and a plurality of droplet ejecting sections 6 which are fitted to the arm part 4 so as to be movable in an arrow B direction and which eject droplets to the substrate 10 mounted on the mounting surface 11a. The droplet ejecting sections 6 are fitted on a fitting surface 41b of a first beam member 41 of the arm part 4 as well as on a fitting surface 42b of a second beam member 42 of the arm part 4.

Abstract: An electrostatic attraction fluid jet device of the present invention is so arranged that a nozzle (4) is formed so as to correspond to a meniscus equivalent to a tip portion in the form of a taylor cone formed in a process of an electrostatic attraction of ink (2) as a conventional fluid. A diameter of an ink-ejecting hole (4b) of the nozzle (4) is set to be substantially the same as a diameter of the tip portion, which is about to be ejected, of the meniscus (14) of ink. Moreover, the diameter of the ink-ejecting hole (4b) of the nozzle (4) is set to be equal to or less than a droplet diameter of the ink (2) which has just been ejected. Therefore, it is possible to provide an electrostatic attraction fluid jet device which can realize a recording device which has high resolution, is safe and is highly versatile.

Abstract: A droplet applicator (1) includes a conveying stage (11) and beams (12). The conveying stage (11) holds a substrate (50) and can reciprocate in second directions, in which the substrate is conveyed. The beams (12) are substantially parallel to first directions perpendicular to the second directions. Each beam (12) is fitted with droplet discharge units (2), which face the substrate (50). Each droplet discharge unit (2) can be moved independently in the first directions within a range of movability by a slider (20).

Abstract: First, through a coating step, a photolithography step and an etching step, a plurality of electrodes 142, 142, . . . are formed on a base plate 141. Next, a resist layer 143b is formed on the base plate 141 so as to cover all of the electrodes 142, 142, . . . , and by exposing and developing the resist layer 143b, a nozzle 103 having a super minute diameter is formed to stand with respect to the base plate 141 so as to make the resist layer 143b correspond to each electrode 142, and an in-nozzle passage is formed in each nozzle 103.

Abstract: In an ink-jet head device, a main tank, a sub tank and an ink-jet head are mounted in this order in a carriage, with the main tank placed at the top. The main tank, sub tank and ink-jet head are connected to one another by a three-way ink conduit. At a junction of the ink conduit is disposed a three-way switching valve, which selectively switch a path connecting the sub tank to the main tank and a path connecting the sub tank to the ink-jet head, without causing the ink-jet head and the main tank to communicate with each other. As a result, an ink-jet head device and an ink-supplying method are realized, in which the ink-jet head can maintain suitable negative pressure and in which consumption of ink is reduced.

Abstract: A liquid jetting apparatus (50) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (51) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet, and an inside diameter of the edge portion from which the droplet is jetted is not more than 30 [?m]; and a liquid solution supplying section (35) to supply the liquid solution into the nozzle (51), wherein a jetting electrode (58) of the jetting voltage applying section (35) is provided on a back end portion side of the nozzle, and an inside passage length of the nozzle is set to at least not less than ten times of the inside diameter.

Abstract: A liquid jetting apparatus (20) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (21) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet, and an inside diameter of the edge portion from which the droplet is jetted is not more than 30 [?m]; a liquid solution supplying section (29) to supply the liquid solution into the nozzle (21); a jetting voltage applying section (25) to apply a jetting voltage to the liquid solution in the nozzle (21); and a convex meniscus forming section (40) to form a state where the liquid solution in the nozzle (21) protrudes from the nozzle edge portion.

Abstract: An electrostatic attraction fluid jet device of the present invention is so arranged that a nozzle (4) is formed so as to correspond to a meniscus equivalent to a tip portion in the form of a taylor cone formed in a process of an electrostatic attraction of ink (2) as a conventional fluid. A diameter of an ink-ejecting hole (4b) of the nozzle (4) is set to be substantially the same as a diameter of the tip portion, which is about to be ejected, of the meniscus (14) of ink. Moreover, the diameter of the ink-ejecting hole (4b) of the nozzle (4) is set to be equal to or less than a droplet diameter of the ink (2) which has just been ejected. Therefore, it is possible to provide an electrostatic attraction fluid jet device which can realize a recording device which has high resolution, is safe and is highly versatile.

Abstract: A liquid jetting apparatus (20) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (21) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet, and an inside diameter of the edge portion from which the droplet is jetted is not more than 30 [?m]; a liquid solution supplying section (29) to supply the liquid solution into the nozzle (21); a jetting voltage applying section (25) to apply a jetting voltage to the liquid solution in the nozzle (21); and a convex meniscus forming section (40) to form a state where the liquid solution in the nozzle (21) protrudes from the nozzle edge portion.

Abstract: A liquid jetting apparatus (50) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (51) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet, and an inside diameter of the edge portion from which the droplet is jetted is not more than 30 [?m]; and a liquid solution supplying section (35) to supply the liquid solution into the nozzle (51), wherein a jetting electrode (58) of the jetting voltage applying section (35) is provided on a back end portion side of the nozzle, and an inside passage length of the nozzle is set to at least not less than ten times of the inside diameter.

Abstract: In an ink-jet head device, a main tank, a sub tank and an ink-jet head are mounted in this order in a carriage, with the main tank placed at the top. The main tank, sub tank and ink-jet head are connected to one another by a three-way ink conduit. At a junction of the ink conduit is disposed a three-way switching valve, which selectively switch a path connecting the sub tank to the main tank and a path connecting the sub tank to the ink-jet head, without causing the ink-jet head and the main tank to communicate with each other. As a result, an ink-jet head device and an ink-supplying method are realized, in which the ink-jet head can maintain suitable negative pressure and in which consumption of ink is reduced.

Abstract: First, through a coating step, a photolithography step and an etching step, a plurality of electrodes 142, 142, . . . are formed on a base plate 141. Next, a resist layer 143b is formed on the base plate 141 so as to cover all of the electrodes 142, 142, . . . , and by exposing and developing the resist layer 143b, a nozzle 103 having a super minute diameter is formed to stand with respect to the base plate 141 so as to make the resist layer 143b correspond to each electrode 142, and an in-nozzle passage is formed in each nozzle 103.

Abstract: In a pattern forming apparatus that forms a pattern by jetting out an ink from nozzle opening sections of nozzles, the nozzles are formed by bonding a top plate to a surface of a substrate on which a concave section is formed, and the substrate is combined with the top plate by melting a combining layer formed on at least one of the substrate and the top plate. With this, the shape accuracy of the nozzle opening sections of the pattern forming apparatus is ensured.

Abstract: In a droplet spray apparatus spraying out ink from an ink path by altering the volume of an ink channel formed in a trench that is covered with a cover plate and that has a conductive member provided at one end formed at a piezoelectric member, an ink supply opening to supply ink is provided at the end side where the conductive member is provided. Accordingly, an ink jet head that can be made compact, fabricated easily, and superior in productivity is obtained.

Abstract: A recording-medium transport device includes a pair of pinch rollers arranged closer to a printing head than to a subordinate roller and pinching and transporting a belt and a sheet of paper toward the printing head. The pair of pinch rollers can pinch the sheet of paper together with the belt, while maintaining the belt flat. As such, an image of high quality can be formed, e.g., printed on the recording medium. Furthermore, the recording medium does not divert from a transporting path. Thus reliable image formation can be achieved.

Abstract: In a droplet spray apparatus spraying out ink from an ink path by altering the volume of an ink channel formed in a trench that is covered with a cover plate and that has a conductive member provided at one end formed at a piezoelectric member, an ink supply opening to supply ink is provided at the end side where the conductive member is provided. Accordingly, an ink jet head that can be made compact, fabricated easily, and superior in productivity is obtained.

Abstract: An ink-jet image forming method forms an image by forming dots using a fast-drying ink and a slow-drying ink, in which, when forming an image, an ambient temperature of an area where the image is formed is detected, and dot density of a predetermined area of the image is recognized based on image data. A process used to form dots is selected based on the detected ambient temperature and the recognized dot density. Under the condition where the inks are easily dried, the slow-drying ink is used to form dots, and under the condition where it is difficult to dry the inks, the slow-drying ink is used suitably with the fast-drying ink to form dots. As a result, the inks can be dried efficiently while suppressing deterioration of image quality.

Abstract: An image recording apparatus includes a discharge head and a discharge control device. The discharge head includes an ink chamber with a discharge hole, a first heater for heating and gasifying ink, a shutter unit, provided at the discharge hole portion, controlled to discharge gasified ink intermittently according to an electrical signal corresponding to image data to be recorded, and a first member for maintaining the temperature of the discharge hole sufficiently lower than the temperature of the first heater in operation of the first heater before initiation and after completion of image data recording. The discharge control device controls the shutter unit.

Abstract: A second heating device heats an inner wall of an ink chamber of a print head to a temperature not lower than the melting point but not higher than evaporating temperature of ink 3, for a prescribed time period after the end of printing, based on a signal from a second heating control device. Consequently, the ink solidified and deposited on the inner wall of ink chamber and not used for printing is liquefied and recovered to the ink chamber to be used for the next printing.