Abstract: A solution jet type fabrication apparatus for fabricating a wiring pattern or a device, the solution jet type fabrication apparatus including a jet head for ejecting a droplet of a solution containing fine particles onto a substrate, so as to form a pattern, by vaporizing a volatile ingredient of the solution, and allowing a solid component to remain on the substrate, wherein the substrate has no liquid absorbing property, wherein the jet head includes a nozzle from which the droplet is ejected, the nozzle being formed from a material that has a greater hardness than that of the fine particles in the solution, wherein the nozzle has a size that is equal to or less than &PHgr;20 &mgr;m, the nozzle satisfying a relation of 0.0001≦Dp/Do≦0.01, where Dp represents the diameter of each of the fine particles and Do represents the diameter of the nozzle, wherein each of the fine particles has a size that is equal to or less than the roughness of a surface of the substrate.

Abstract: A multi-nozzle recording head has heating elements in a density in a range between 400 and 2400 dpi arranged on a substrate. Ink is fired out through a nozzle by a function of growth of air bubble generated in a recording liquid in each heating element. The multi-nozzle recording head has a dimension such as to cover a recording range of a recording medium which is conveyed by a conveyance belt to a position at which the nozzle surfaces of said recording head face said recording medium.

Abstract: An ink jet recording method includes the steps of inputting a set of driving pulses to a heater element so that the heater element is repeatedly activated by the driving pulses, repeatedly generating a bubble in ink in an ink path in accordance with repeated activation of the heater element, and separately jetting ink droplets from an ink jetting orifice due to the bubble repeatedly generated in the ink, a number of the ink droplets being equal to a number of the driving pulses input as a set to the heater element, the ink droplets jetted from the ink jetting orifice forming a single dot on a recording medium, wherein a time interval at which the driving pulses are input to the heater element is equal to or greater than 4T, T being a time period from a time at which the inputting of the pulses to the heater element starts to a time at which the bubble reaches a maximum size, and each ink droplet is a slender pillar so that a length of each ink droplet is at least three times as great as a diameter thereof.

Abstract: In an electron-emitting device manufacturing apparatus for forming a surface conduction electron-emitting element by a conductive thin film, a discharge head of a piezo-jet type using a piezoelectric element has a diameter being equal to or less than &phgr;25 &mgr;m and jets a solution that includes metal micro-particle material for forming the conductive thin film, on the area between the electrodes, which are formed on a substrate of the electron-emitting device, as a droplet. A volatile component in a solution dot pattern is vaporized after the droplet is jetted on the substrate so that a solid content is remained on the substrate. The solution having micro-particle dispersed in liquid satisfies a relationship of 0.0002≦Dp/Do≦0.01 where Dp denotes a diameter of the metal micro-particle and Do denotes a diameter of the discharge opening.

Abstract: A multi-nozzle recording head has heating elements in a density in a range between 400 and 2400 dpi arranged on a substrate. Ink is fired out through a nozzle by a function of growth of air bubble generated in a recording liquid in each heating element. The multi-nozzle recording head has a dimension such as to cover a recording range of a recording medium which is conveyed by a conveyance belt to a position at which the nozzle surfaces of said recording head face said recording medium.

Abstract: A liquid jet head includes a nozzle element having nozzles from which a recording liquid is ejected to a recording medium, wherein the recording liquid contains fine particles of a pigment, wherein the fine particles of the pigment contained in the recording liquid are no less than 1% by weight, wherein each of the nozzles has an area that is less than 500 &mgr;m, wherein each of the fine particles of the pigment has a diameter satisfying a relation of 0.0005≦Dp/Do≦0.

Abstract: An apparatus for fabricating a functional device mounting board comprises a holder for holding a substrate on which functional devices are to be formed, a jet head for ejecting a droplet containing a functional material onto the substrate, and a data input unit for supplying droplet ejection information to the jet head. The jet head ejects the droplets onto the substrate based on the droplet ejection information so as to form the functional device in the functional device forming area. The functional device is formed by allowing a volatile ingredient of the droplet, while allowing a solid component of the droplet to remain on the substrate.

Abstract: An optical recording medium having two recording layer structures which includes a cover substrate, a grooved substrate, a first recording layer structure, an intermediate layer, a separation layer, and a second recording layer structure. In the optical recording medium, the two recording layer structures include a first recording layer structure, and a second recording layer structure between the substrates, the first recording layer structure includes, in this order, a first protective layer, a first recording layer, a second protective layer, a first inorganic layer, the second recording layer structure includes, in this order, a third protective layer, a second recording layer, a forth protective layer, a second inorganic layer, and a ratio of a thickness of the first recording layer structure and a thickness of the intermediate layer is 0.2 to 1.0.

Abstract: In an apparatus producing a high-quality and high-resolution image having high water and light resistances with an orifice having a diameter less than &phgr;25 &mgr;m (less than 500 &mgr;m2 in terms of cross-sectional area of the orifice) by use of a fine particle dispersion recording composition, nozzle clogging can be prevented. A recording is accomplished by a liquid jet recording apparatus for ejecting a recording composition including dispersed fine particles from a small orifice toward a receiving medium, wherein a size DP of the fine particles and a diameter D0 of the small orifice are determined by a relationship 0.001≦DP/D0≦0.01.

Abstract: An ink jet recording method includes the steps of inputting a set of driving pulses to a heater element so that the heater element is repeatedly activated by the driving pulses, repeatedly generating a bubble in ink in an ink path in accordance with repeated activation of the heater element, and separately jetting ink droplets from an ink jetting orifice due to the bubble repeatedly generated in the ink, a number of the ink droplets being equal to a number of the driving pulses input as a set to the heater element, the ink droplets jetted from the ink jetting orifice forming a single dot on a recording medium, wherein a time interval at which the driving pulses are input to the heater element is equal to or greater than 4T, T being a time period from a time at which the inputting of the pulses to the heater element starts to a time at which the bubble reaches a maximum size, and each ink droplet is a slender pillar so that a length of each ink droplet is at least three times as great as a diameter thereof.

Abstract: In an apparatus producing a high-quality and high-resolution image having high water and light resistances with an orifice having a diameter less than &phgr;25 &mgr;m (less than 500 &mgr;m2 in terms of cross-sectional area of the orifice) by use of a fine particle dispersion recording composition, nozzle clogging can be prevented. A recording is accomplished by a liquid jet recording apparatus for ejecting a recording composition including dispersed fine particles from a small orifice toward a receiving medium, wherein a size Dp of the fine particles and a diameter Do of the small orifice are determined by a relationship 0.001≦Dp/Do≦0.01.

Abstract: An ink jet recording method includes the steps of inputting a set of driving pulses to a heater element so that the heater element is repeatedly activated by the driving pulses, repeatedly generating a bubble in ink in an ink path in accordance with repeated activation of the heater element, and separately jetting ink droplets from an ink jetting orifice due to the bubble repeatedly generated in the ink, a number of the ink droplets being equal to a number of the driving pulses input as a set to the heater element, the ink droplets jetted from the ink jetting orifice forming a single dot on a recording medium, wherein a time interval at which the driving pulses are input to the heater element is equal to or greater than 4T, T being a time period from a time at which the inputting of the pulses to the heater element starts to a time at which the bubble reaches a maximum size, and each ink droplet is a slender pillar so that a length of each ink droplet is at least three times as great as a diameter thereof.

Abstract: A color inkjet recording apparatus includes a plurality of multi-nozzle inkjet recording heads ejecting inks of respective colors, an electrical system unit controlling the operation of the color inkjet recording apparatus, and an ink container connected to the multi-nozzle inkjet recording heads. The ink container is provided below the multi-nozzle inkjet recording heads and the electrical system unit.

Abstract: In an apparatus producing a high-quality and high-resolution image having high water and light resistances with an orifice having a diameter less than &phgr;25 &mgr;m (less than 500 &mgr;m2 in terms of cross-sectional area of the orifice) by use of a fine particle dispersion recording composition, nozzle clogging can be prevented. A recording is accomplished by a liquid jet recording apparatus for ejecting a recording composition including dispersed fine particles from a small orifice toward a receiving medium, wherein a size Dp of the fine particles and a diameter Do of the small orifice are determined by a relationship 0.001≦Dp/Do≦0.01.

Abstract: An ink-jet recording apparatus records information within a recording width on a recording surface of a recording medium, and is provided with a multi-nozzle ink-jet recording head which includes a nozzle surface and a plurality of nozzles arranged in an array on the nozzle surface to cover the recording width of the recording medium, a transport section which transports the recording medium to pass a position confronting the nozzle surface of the multi-nozzle ink-jet recording head, and a reliability maintaining mechanism which is provided to cover all of the nozzles of the multi-nozzle ink-jet recording head, so as to maintain reliability of the nozzles.

Abstract: A surface-emission laser diode includes a distributed Bragg reflector tuned to wavelength of 1.1 &mgr;m or longer, wherein the distributed Bragg reflector includes an alternate repetition of a low-refractive index layer and a high-refractive index layer, with a heterospike buffer layer having an intermediate refractive index interposed therebetween with a thickness in the range of 5-50 nm.

Abstract: A multi-nozzle recording head has heating elements in a density in a range between 400 and 2400 dpi arranged on a substrate. Ink is fired out through a nozzle by a function of growth of air bubble generated in a recording liquid in each heating element. The multi-nozzle recording head has a dimension such as to cover a recording range of a recording medium which is conveyed by a conveyance belt to a position at which the nozzle surfaces of said recording head face said recording medium.

Abstract: A recording head of an inkjet printer includes a recording head unit carrying thereon a head chip for ejecting an inkjet and an ink reservoir for storing the ink. The ink reservoir is mounted upon the recording head unit and detachably held thereto by an interconnection mechanism that includes a rigid tubular member with stainless steel mesh filter provided on the recording head unit for insertion into the ink reservoir.

Abstract: In an apparatus producing a high-quality and high-resolution image having high water and light resistances with an orifice having a diameter less than &phgr; 25 &mgr;m (less than 500 &mgr;m2 in terms of cross-sectional area of the orifice) by use of a fine particle dispersion recording composition, nozzle clogging can be prevented. A recording is accomplished by a liquid jet recording apparatus for ejecting a recording composition including dispersed fine particles from a small orifice toward a receiving medium, wherein a size Dp of the fine particles and a diameter D0 of the small orifice are determined by a relationship 0.001≦Dp/D0≦0.01.

Abstract: In an apparatus producing a high-quality and high-resolution image having high water and light resistances with an orifice having a diameter less than &phgr;25 &mgr;m (less than 500 &mgr;m2 in terms of cross-sectional area of the orifice) by use of a fine particle dispersion recording composition, nozzle clogging can be prevented. A recording is accomplished by a liquid jet recording apparatus for ejecting a recording composition including dispersed fine particles from a small orifice toward a receiving medium, wherein a size D of the fine particles and a diameter D0 of the small orifice are determined by a relationship 0.001≦Dp/D0≦0.01.