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Class 347/71 - Layers, plates


Subclass of Class 347 - Incremental printing of symbolic information
Definition: Subject matter wherein the ejector* mechanism is
No. of patents: 771
Last issue date: 05/29/2012


1                      
NumberTitleIssue Date
8186811Inkjet printing apparatus and method of driving inkjet printing apparatus
An inkjet printing apparatus according to example embodiments may include a flow channel plate including an ink inlet for introducing ink, a pressure chamber containing the introduced ink, and a nozzle connected to the pressure chamber and configured to eject ink. A...
05/29/2012
8177337Flow path unit, inspection apparatus, and inspection method
A flow path unit of one aspect of the invention includes: a plurality of plates, each of the plurality of plates having a hole, the plurality of plates being laminated in a lamination direction with a predetermined positional relationship such that a flow path is fo...
05/15/2012
8177338High frequency mechanically actuated inkjet
An inkjet ejector has been developed that enables the ejector to be operated at a frequency greater than 80 kHz. The inkjet ejector includes a body layer in which a pressure chamber is configured with an outlet having a volume that is less than a predetermined volum...
05/15/2012
8152284Inkjet head and inkjet head assembly having the same
There is provided an inkjet head and an inkjet head assembly having the same. The inkjet head includes an inkjet head plate having a plurality of nozzles ejecting ink provided therein; pressure chambers storing ink drawn in from both outer ends of the inkjet head pl...
04/10/2012
8152283Liquid-jet head and liquid-jet apparatus
A liquid-jet head has a passage-forming substrate with an individual path including a pressure-generating chamber communicating with a nozzle orifice which ejects a liquid. The head also has a pressure-generating element, a protection plate, a reservoir, a complianc...
04/10/2012
8147041Piezoelectric element and method for manufacturing the same, liquid-ejecting head and method for manufacturing the same, and liquid-ejecting apparatus
A piezoelectric element includes a piezoelectric film containing lead (Pb), zirconium (Zr), and titanium (Ti). The piezoelectric film has a composition satisfying the relationship of Zr/(Ti+Zr)>Ti/(Ti+Zr) and has a polarization-electric field hysteresis loop having ...
04/03/2012
8141990Ink ejection device
A side shooting ink ejection device may comprise a front surface, side shooting nozzles having ejection orifices for ejecting fluid, and piezoelectric actuators for moving the fluid through vibration for ejecting the fluid out of the nozzle. The side shooting nozzle...
03/27/2012
8141991Liquid ejecting head, liquid ejecting apparatus, and piezoelectric actuator
A liquid ejecting head includes a pressure generating chamber that communicates with a nozzle opening and a piezoelectric element that includes: a first electrode; a piezoelectric body layer that is formed on the first electrode and which has a perovskite structure ...
03/27/2012
8136927Liquid droplet discharge head, liquid droplet discharge apparatus, and method for producing liquid droplet discharge head
A piezoelectric actuator includes a first active portion interposed by an individual electrodes and a first constant electric potential electrode and a second active portion interposed by the individual electrode and a second constant electric potential electrode, a...
03/20/2012
8123339Liquid ejection head and image forming apparatus using the same
A liquid ejection head includes a plurality of orifices, a plurality of chambers in communication with the orifices, a plurality of fluid resistance portions in communication with the chambers, a plurality of liquid passages each including at least one of the chambe...
02/28/2012
8113633Liquid ejecting head and liquid ejecting apparatus having same
A liquid ejecting head includes a passage unit made by laminating a plurality of plates including a first plate having a first through-hole with a first size and a second plate having a second through-hole with a second size which is larger than the first size. The ...
02/14/2012
8113634Recording head and manufacturing method thereof
A recording head includes a stacked body including: a liquid flow path; a plurality of plates stacked on each other; and two communicating holes. Each of the plurality of plates includes: a cross-sectional portion of the liquid flow path; a positioning hole; and a r...
02/14/2012
8104877Recording head and manufacturing method thereof
A flat flexible substrate of a recording head has: a base having a surface facing an actuator unit, a plurality of lands placed on the surface and bonded to respective individual bumps, a plurality of wirings placed on the surface and connected to the respective lan...
01/31/2012
8100515Multilayer piezoelectric actuator and liquid discharge head
A multilayer piezoelectric actuator and a liquid discharge head are provided which are equipped with dense piezoelectric ceramics having improved insulation performance. The multilayer piezoelectric actuator comprises a multilayered body comprising a plurality of pi...
01/24/2012
8083328Electrostatic actuator, droplet discharging head, method of manufacturing thereof and droplet discharging device
An electrostatic actuator comprises: a fixed electrode formed on a substrate; a movable electrode placed at an position opposing the fixed electrode via a predetermined gap; a driving unit giving the movable electrode a displacement by generating an electrostatic fo...
12/27/2011
8083330Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric transducer
A liquid-ejecting head includes a pressure-generating chamber communicatively connected to a nozzle opening and also includes a piezoelectric transducer including a first electrode, a piezoelectric layer disposed on the first electrode, and a second electrode dispos...
12/27/2011
8083327Hot melt ink delivery reservoir pump subassembly
A print head pump assembly has a piezo element plate having an array of piezoelectric elements, a channel plate having an array of channel regions corresponding to the array of piezoelectric elements, and a valve plate having an array of reed valve pairs correspondi...
12/27/2011
8079677Liquid ejecting head, liquid ejecting apparatus, and piezoelectric actuator
A liquid ejecting head includes a pressure generating chamber that is communicated with a nozzle opening and a piezoelectric element includes a first electrode formed above the pressure generating chamber, a piezoelectric layer formed above the first electrode, and ...
12/20/2011
8075107Liquid ejection head
Provided is a liquid ejection head having a structure in which an organic resinous member is formed in contact with a substrate. The substrate includes heat generators for generating heat energy used to eject ink, when being energized, and a metallic line portion fo...
12/13/2011
8075106Liquid ejecting head and liquid ejecting apparatus
A liquid ejecting head which includes a flow passage forming substrate that has pressure generating chambers which communicate with nozzles capable of ejecting a liquid, pressure generating elements which apply pressure to the pressure generating chambers in order t...
12/13/2011
8061821Liquid-Droplet ejection head and ink jet printer
A liquid-droplet ejection head may include stacked plates that form therein a common liquid channel and a plurality of individual ink channels extending from exits from the common liquid channel to nozzles via pressure chambers. At least one of the stacked plates ma...
11/22/2011
8029111Droplet ejection head and droplet ejection apparatus
A droplet ejection head comprises: a substrate having first through-holes forming reservoir chambers, a second through-hole forming a supply chamber, and a bonding film on one surface; a nozzle plate having nozzles for ejecting ejection liquid and one surface contac...
10/04/2011
8029110Droplet ejection head and droplet ejection apparatus
A droplet ejection head comprises: a substrate having first through-holes forming reservoir chambers, a second through-hole forming a supply chamber, and a bonding film on one surface; a nozzle plate having nozzles for ejecting ejection liquid and a second bonding f...
10/04/2011
8025370Liquid ejecting head and liquid ejecting apparatus
A liquid ejecting head includes: a supply channel member including a plurality of supply channel plates, and the supply channel including supply holes provided through the respective supply channel plates and a supply groove formed by removing part of one of adjacen...
09/27/2011
8016394Liquid droplet ejection head and liquid droplet ejection apparatus
A liquid droplet ejection head includes: a substrate having first and second through-holes for reserving and supplying ejection liquid; a nozzle plate on one substrate surface and covering the first and second through-holes, a sealing plate on the other substrate su...
09/13/2011
8011763Droplet ejecting apparatus
A droplet ejecting apparatus, including: a head unit having a generally planar shape and including nozzles through which droplets are ejected, a holder holding the head unit, a reinforcing plate via which the head unit is held by the holder and which has an adhesion...
09/06/2011
8002390Piezoelectric element substrate, liquid droplet ejecting head, liquid droplet ejecting device, and piezoelectric element substrate manufacturing method
A piezoelectric element substrate is provided with a support substrate, an insulating orientation auxiliary layer formed on the support substrate, a lower electrode layer formed on the orientation auxiliary layer so that an uncoated portion where the orientation aux...
08/23/2011
8002389Liquid jetting apparatus
A liquid jetting apparatus includes: a cavity unit having a plurality of nozzles and pressure chambers; and an actuator unit applying jetting pressures to the pressure chambers. The actuator unit has a plurality of stacked ceramics layers, individual electrodes corr...
08/23/2011
7992971Liquid delivering apparatus and method of producing the same
A liquid delivering apparatus, including a flow-passage unit including an opening and a pressure chamber which accommodates liquid and which communicates with the opening; an oscillating plate which partially defines the pressure chamber; a piezoelectric material la...
08/09/2011
7992972Method of manufacturing liquid jet head, method of manufacturing piezoelectric element and liquid jet apparatus
A method of manufacturing a piezoelectric element includes a piezoelectric layer forming step of sequentially and repeatedly performing a heat treatment step of applying a piezoelectric material containing lead to a lower electrode film at a relative humidity in the...
08/09/2011
7992973Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element
A liquid ejecting head includes a pressure generating chamber communicating with a nozzle opening, and a piezoelectric element generating a pressure change in the pressure generating chamber. In this liquid ejecting head, the piezoelectric element includes a first e...
08/09/2011
7988263Liquid droplet ejection head, liquid droplet ejection device, and image forming apparatus
A liquid droplet ejection head having: a vibrating plate at which is formed a piezoelectric element which deforms when voltage is applied; a wiring board disposed above the piezoelectric element, an electric wire for deforming the piezoelectric element being dispose...
08/02/2011
7988264Method for forming a fluid ejection device
A method of forming a fluid ejection device includes forming a pair of first glass layers and forming a second glass layer. Each first glass layer includes a first side and a second side with the second side defining a first fluid flow structure. The second glass la...
08/02/2011
7976136Head chip, liquid jet head, and liquid jet device
To prevent an adhesive from flowing into nozzles, there is provided a head chip includes: a plate having a plurality of grooves; a cover plate having an introduction aperture; a nozzle plate fixed to an end surface of the plate, and has nozzles formed at the same in...
07/12/2011
7963640Liquid discharge head and method for manufacturing the liquid discharge head
A liquid discharge head according to the present invention comprises plural pressure chambers for applying pressure to liquid, which respectively communicate with liquid discharge openings for discharging liquid; and plural piezoelectric elements, arranged respectiv...
06/21/2011
7959266Self aligned port hole opening process for ink jet print heads
In accordance with the invention, there are jet stacks, ink jet print heads, and methods of making jet stacks and ink jet print heads. The method of making an ink jet print head can include providing a partial jet stack including a diaphragm, a plurality of port hol...
06/14/2011
7959265Thermal inkjet printhead
Provided is a thermal inkjet printhead. The inkjet printhead includes a substrate; an insulating layer formed on the substrate; a heater formed on the insulating layer and an electrode to apply current to the heater; a chamber layer that is stacked on the insulating...
06/14/2011
7950783Actuator device and liquid ejecting head including the same
An actuator device includes a piezoelectric element including a lower electrode, a piezoelectric layer, and an upper electrode that are displaceably provided in sequence on a substrate. The lower electrode includes a flat center portion and an inclined end portion t...
05/31/2011
7934815External fluid manifold with polymer compliant wall
A fluid dispensing assembly having a fluid dispensing subassembly to deliver fluid to a substrate, an external manifold to supply fluid having a first wall arranged adjacent to the fluid dispensing subassembly, and a compliant wall attached to a second wall arranged...
05/03/2011
7934814Droplet ejection head and method of manufacturing the same
A droplet ejection head according to the present invention includes a layered body made up of a plurality of metal plates, and an ejection face. The plurality of metal plates in the layered body include n metal plates whose lengthwise directions form the same angle ...
05/03/2011
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