Patent application number | Description | Published |
20090025215 | MULTILAYER WIRING STRUCTURE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a multilayer wiring structure is disclosed. The method comprises a step of forming a via post on a first metal wiring element, a step of printing an interlayer insulation film on the first metal wiring element, with use of a screen mask having a non-ejection area slightly larger than a head of the via post, such that the interlayer insulation film has an upper surface at the level lower than the head of the via post, while generally aligning the non-ejection area with the head of the via post, a step of curing the interlayer insulation film, and a step of forming a second metal wiring element in contact with the via post on the interlayer insulation film such that the first metal wiring element and the second metal wiring element are connected through the via post. | 01-29-2009 |
20090272966 | ORGANIC TRANSISTOR AND ACTIVE MATRIX DISPLAY - An organic transistor is disclosed that has an organic semiconductor layer patterned with high resolution. The organic transistor includes a gate electrode, a gate insulting film, a source electrode, a drain electrode, and an organic semiconductor layer formed of an organic semiconductor material. The gate electrode, the gate insulting film, the source electrode, the drain electrode, and the organic semiconductor layer are formed on a substrate. At least one of the source electrode and the drain electrode has an opening. | 11-05-2009 |
20100302323 | FLUID DISCHARGE HEAD AND IMAGE FORMING APPARATUS - A fluid discharge head includes a fluid chamber filled with ink; a discharge opening configured to discharge a droplet of ink from the fluid chamber; a plurality of piezoelectric elements configured as displacement generating units to provide kinetic energy to the ink for the discharge of the ink droplet; and a vibrating plate forming a part of the fluid chamber and connected to the piezoelectric elements, the vibrating plate being configured to transmit a displacement generated by the piezoelectric elements to the ink in the fluid chamber. The vibrating plate includes vibrating portions for the respective the piezoelectric elements. The vibrating portions are configured to be independently displaced for the corresponding piezoelectric elements, and at least one of the piezoelectric elements is configured as a pressure detecting unit to detect an ink pressure in the fluid chamber. | 12-02-2010 |
20110175967 | ELECTROMECHANICAL TRANSDUCER FILM AND METHOD FOR MANUFACTURING ELECTROMECHANICAL TRANSDUCER FILM - A method for manufacturing an electromechanical transducer film including a lower electrode and plural layers of a sol-gel solution film formed on the lower electrode by an inkjet method, the method including the steps of a) modifying a surface of the lower electrode, b) forming a first sol-gel solution film on the surface of the lower electrode by ejecting droplets of a sol-gel solution to the surface of the lower electrode, and c) forming a second sol-gel solution film on the first sol-gel solution film by ejecting droplets of the sol-gel solution to a surface of the first sol-gel solution film. Adjacent dots formed on the surface of the lower electrode by the droplets ejected in step b) overlap each other. Adjacent dots formed on the surface of the first sol-gel solution film by the droplets ejected in step c) do not overlap each other. | 07-21-2011 |
20120026249 | THIN-FILM FORMING APPARATUS, THIN-FILM FORMING METHOD, PIEZOELECTRIC-ELEMENT FORMING METHOD, DROPLET DISCHARGING HEAD, AND INK-JET RECORDING APPARATUS - A thin-film forming apparatus for forming a thin film on a substrate by using an ink-jet method includes an ink applying unit that applies an ink drop for thin-film formation to a predetermined area on a surface of the substrate; at least one laser light source for heating the ink drop thereby forming a thin film; and a laser-light irradiating unit that irradiates, with a laser light from the laser light source, a first spot positioned on a back side of the predetermined area of the substrate to which the ink drop has been applied. | 02-02-2012 |
20120028075 | THIN FILM MANUFACTURING METHOD AND THIN-FILM ELEMENT - A thin film manufacturing method includes placing a substrate in a raw material solution with which a thin film is formed on a first principal plane of the substrate; forming the thin film on the first principal plane of the substrate by applying light to a first principal plane side from a light source; measuring a distance from the first principal plane of the substrate to a liquid surface of the raw material solution by applying light from the light source; and adjusting a position of the substrate in a height direction on the basis of a measurement result obtained at the measuring. | 02-02-2012 |
20120038712 | METHOD FOR PRODUCING ELECTROMECHANICAL TRANSDUCER, ELECTROMECHANICAL TRANSDUCER PRODUCED BY THE METHOD, LIQUID-DROPLET JETTING HEAD, AND LIQUID-DROPLET JETTING APPARATUS - A method of producing an electromechanical transducer includes a first step of partially modifying a surface of a first electrode; a second step of applying a sol-gel liquid including a metal composite oxide to a predetermined area of the partially-modified surface of the first electrode; a third step of performing drying, thermal decomposition, and crystallization on the applied sol-gel liquid to form an electromechanical transduction film; a fourth step of repeating the first, second, and third steps to obtain the electromechanical transduction film with a desired thickness; and a fifth step of forming a second electrode on the electromechanical transduction film. | 02-16-2012 |
20120212545 | INK-JET HEAD AND INK-JET RECORDING APPARATUS - An ink-jet head includes a nozzle plate having nozzles, a vibrating plate on the nozzle plate, liquid chambers formed of spaces partitioned by division walls, a piezoelectric element having a common electrode, a piezoelectric body and an individual electrode layered in this order on a surface of the vibrating plate, a first insulator film having a first opening and a second insulator film having a second opening layered in this order on the first surface, a first wire drawn from the individual electrode via the first opening and the second opening, a third insulator film having a third opening on the first wire; and a second wire drawn via the third opening, where the third insulator film is formed in a first region of the second insulator film and is not formed in a second region excluding a region including the first wire formed above the liquid chamber. | 08-23-2012 |
20120229573 | INKJET HEAD AND INKJET PLOTTER - A disclosed inkjet head includes a liquid chamber formed by a space between a vibrating plate and a nozzle substrate and separated by partitions; a piezoelectric element formed by sequentially laminating a common electrode, a piezoelectric substance and an individual electrode over the space; first to fourth insulating films respectively having first to fourth openings; and a first wiring connected to the individual electrode and pulled through the first and second openings over the common electrode, wherein the first wiring passes through the third opening over the third insulating film, the first wiring is exposed from the fourth opening so as to be externally connected, and the third insulating film and the fourth insulating film are not partly formed above the liquid chamber and formed above the first wiring. | 09-13-2012 |
20120236083 | INKJET HEAD, INKJET RECORDING APPARATUS, LIQUID DROPLET EJECTING APPARATUS, AND IMAGE FORMING APPARATUS - An inkjet head is disclosed. In the inkjet head a vibrating plate is formed on a liquid chamber substrate on which multiple dedicated liquid chambers are aligned; a first insulating film and a second insulating film are formed between a dedicated electrode wiring and a lower electrode in an area in which the dedicated electrode wiring and the lower electrode overlap; a third insulating film and a fourth insulating film are stacked in an area which includes a forming area of the dedicated electrode wiring; in at least a portion of a forming area of the dedicated liquid chamber, there is provided a non-film forming area; and, in an area including a piezoelectric element forming section, either the first insulating film and the fourth insulating film are formed in the non-film forming area, or the fourth insulating film is formed in the non-film forming area. | 09-20-2012 |
20130002767 | ELECTROMECHANICAL TRANSDUCER ELEMENT, DROPLET DISCHARGE HEAD, AND DROPLET DISCHARGE DEVICE - Disclosed is an electromechanical transducer element that includes an electromechanical transducer film formed of a complex oxide (PZT) including lead (Pb), zirconium (Zr), and titanium (Ti). The electromechanical transducer film is formed by laminating plural PZT thin films until a thickness of the formed electromechanical transducer film becomes a predetermined thickness. When an atomic weight ratio (Pb/(Zr+Ti)) of average Pb included in the formed electromechanical transducer film is denoted by Pb(avg) and an atomic weight ratio (Pb/(Zr+Ti)) of Pb in any one of laminate interfaces of the plural PZT thin films is denoted by Pb(interface), the Pb(avg) is greater than or equal to 100 atomic percentage (at %) and less than or equal to 110 atomic percentage (at %), and a fluctuation ratio ΔPb=Pb(avg)−Pb(interface) of Pb in the laminate interface is less than or equal to 20 percent. | 01-03-2013 |
20130070029 | ELECTROMECHANICAL CONVERSION ELEMENT, LIQUID DROP EJECTION HEAD, LIQUID DROP EJECTION DEVICE, AND IMAGE FORMING APPARATUS - Disclosed is an electromechanical conversion element, including an electromechanical conversion film including a PIT, an upper electrode formed on a top of the electromechanical conversion film and including a first strontium ruthenium oxide, and a lower electrode formed on a bottom of the electromechanical conversion film and including a second strontium ruthenium oxide, wherein Sr-pzt/Sr-sr≦0.01, wherein Sr-pzt is a SIMS intensity for a secondary ion of strontium of the PZT at a position of ½ of a thickness of the electromechanical conversion film and Sr-sr is a SIMS intensity for a secondary ion of strontium of the second strontium ruthenium oxide at a position of ½ of a thickness of the lower electrode. | 03-21-2013 |
20130162726 | ELECTROMECHANICAL TRANSDUCING DEVICE AND MANUFACTURING METHOD THEREOF, AND LIQUID DROPLET DISCHARGING HEAD AND LIQUID DROPLET DISCHARGING APPARATUS - A manufacturing method of an electromechanical transducing device includes forming a vibration plate on a substrate; forming a first electrode made of a metal on the vibration plate; forming a second electrode made of an electrically conductive oxide on the first electrode; coating a surface modification material and carrying out surface modification of only the first electrode; forming an electromechanical transducing film on the second electrode; and forming a third electrode made of an electrically conductive oxide on the electromechanical transducing film. | 06-27-2013 |
20130176364 | ELECTROMECHANICAL TRANSDUCER ELEMENT, LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND IMAGE FORMING APPARATUS - Disclosed is an electromechanical transducer element including a first electrode disposed on a substrate; an electromechanical transducer film disposed on a first portion of the first electrode; and a second electrode disposed on a second portion of the electromechanical transducer film, wherein an actuator portion formed by laminating the substrate, the first electrode, the electromechanical transducer film, and the second electrode has a stiffness such that, in a cross section of the actuator portion, the stiffness gradually increases from an end portion of the actuator portion to a center portion of the actuator portion. | 07-11-2013 |
20140268481 | COMPLEX OXIDE, THIN-FILM CAPACITIVE ELEMENT, LIQUID DROPLET DISCHARGE HEAD, AND METHOD OF PRODUCING COMPLEX OXIDE - A complex oxide includes a chemical compound represented by ABO | 09-18-2014 |
20140340854 | ELECTRONIC DEVICE AND METHOD OF MANUFACTURING THE ELECTRONIC DEVICE - An electronic device includes a substrate; and a plurality of thin-film elements formed on the substrate. Further, the thin-film element includes a thin-film section having a function selected from a group including piezoelectric effect, inverse piezoelectric effect, charge storage, semiconductivity, and conductivity, and the plurality of thin-film elements includes the thin-film sections having two or more different functions. | 11-20-2014 |