U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 347/68 - With piezoelectric force ejection


Subclass of Class 347 - Incremental printing of symbolic information
Definition: Subject matter wherein the source of intermittent energization
No. of applications: 524
Last issue date: 03/22/2012


1                      
Application No.Application TitleIssue Date
20120069100Ink-jet Print Head with Fast-acting Valve
Disclosed herein, a print head includes a reservoir, wherein the reservoir maintains fluid at a high hydrostatic pressure; a passage to receive the fluid from the reservoir, the passage including a fluid droplet ejection orifice; and a piezoelectric member positioned ad...
03/22/2012
20120069099TRANSDUCER HAVING AN IMPROVED ELECTRIC FIELD
A transducer including a dielectric material; a metal layer configured in a predetermined pattern having at least two electrodes; and a piezoelectric layer disposed underlying, between and overlying at least a portion of the metal layer and a portion of which abuts the ...
03/22/2012
20120050414Ring Electrode for Fluid Ejection
Methods, systems, and apparatus for drive a pumping chamber of a fluid ejection system are disclosed. In one implementation, the actuator for drive the pumping chamber includes a continuous piezoelectric layer between a pair of drive electrodes and a continuous referenc...
03/01/2012
20120050413INKJET HEAD AND MANUFACTURING METHOD OF INKJET HEAD
According to one embodiment, an inkjet head includes a nozzle plate, a piezoelectric member, a substrate, a frame member, and a wiring circuit. The nozzle plate has nozzles. The piezoelectric member has pressure chambers associated with the nozzles, sidewalls configured...
03/01/2012
20120044301INK-JET PRINT HEAD, INK-JET PRINTER USING THE SAME AND METHOD FOR MANUFACTURING INK-JET PRINT HEAD
According to one embodiment, an ink-jet print head comprises a support member including a flat portion with an ink supply aperture and an ink discharge aperture formed therein so as to circulate and supply ink, the flat portion including a recess, a base plate fitted in...
02/23/2012
20120038713PIEZOELECTRIC FILM AND METHOD OF MANUFACTURING SAME, PIEZOELECTRIC DEVICE AND LIQUID EJECTION APPARATUS
A piezoelectric film is constituted of a perovskite oxide represented as: Pb1+δ(ZrxTiy)1-a(MgbNb1-b)aOz, where δ and z are values within ranges where a perovskite structure is obta...
02/16/2012
20120026249THIN-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 heat...
02/02/2012
20120026250METHOD OF MANUFACTURING A LIQUID JET HEAD AND A LIQUID JET APPARATUS
A method of manufacturing a liquid jet head includes depositing a lower electrode film on a passage forming substrate and patterning the lower electrode film into a predetermined pattern, forming a piezoelectric layer on the passage forming substrate, forming an interme...
02/02/2012
20120019603LIQUID DISCHARGE HEAD AND MANUFACTURING METHOD THEREOF
The liquid discharge head comprises: a diaphragm; a first piezoelectric member which is formed on a first surface of the diaphragm, the first piezoelectric member driving the diaphragm; and a pressure chamber dividing wall which is formed on a second surface of the diap...
01/26/2012
20120013686LIQUID-JET HEAD AND LIQUID-JET APPARATUS HAVING SAME
A liquid-jet head comprising a pressure generating chamber, which is supplied with a liquid via a liquid supply path and in which a nozzle orifice for jetting the liquid is formed, and a pressure generator for causing a pressure change within the pressure generating cha...
01/19/2012
20110316937PIEZOELECTRIC FILM, PIEZOELECTRIC DEVICE AND LIQUID EJECTION APPARATUS
A piezoelectric film has a columnar crystal structure constituted of a plurality of columnar crystals, and contains a perovskite oxide represented by the following formula (P) as a main component:


Pba

12/29/2011
20110316938LIQUID JET HEAD AND A LIQUID JET APPARATUS
A lower electrode 60 in a region opposite each of pressure generation chambers 12 is formed to have a width smaller than the width of the corresponding pressure generation chamber 12, and an upper surface and an end surface of the lower electrode 60 in a region correspo...
12/29/2011
20110304662LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS
A liquid ejecting head includes: a piezoelectric actuator having a first electrode, a piezoelectric body formed on the upper side of the first electrode, and a second electrode formed on the upper side of the piezoelectric body; and an electrostatic actuator having the ...
12/15/2011
20110298872PIEZOELECTRIC ACTUATOR, LIQUID EJECTION HEAD, AND IMAGE FORMING APPARATUS
A piezoelectric actuator includes a piezoelectric member having piezoelectric pillars and grooves alternately arrayed. Each of the grooves has a first width at a bottom side of the piezoelectric pillars and a second width at an upper side of the piezoelectric pillars in...
12/08/2011
20110292133PEROVSKITE OXIDE, OXIDE COMPOSITION, OXIDE BODY, PIEZOELECTRIC DEVICE, AND LIQUID DISCHARGE APPARATUS
Disclosed is a non-lead perovskite oxide having a low Curie temperature and high ferroelectricity represented by General Formula (P) given below.


(Bix1, Bax2, Xx3)(Fey1

12/01/2011
20110292134PEROVSKITE OXIDE, OXIDE COMPOSITION, OXIDE BODY, PIEZOELECTRIC DEVICE, AND LIQUID DISCHARGE APPARATUS
A perovskite oxide, which includes a first component represented by General Formula (P1) given below and a second component represented by General Formula (P2) given below.


(Bix1, Xx2) (F...

12/01/2011
20110279551Inkjet print head and inkjet printer including the same
There is provided an inkjet print head that includes: an inkjet head plate with a plurality of head cells including ink passages where introduced ink is ejected through a nozzle by passing through a pressure chamber; and a piezoelectric actuator formed on the top of the...
11/17/2011
20110273515AQUEOUS INKJET INK
According to one embodiment, an aqueous inkjet ink includes a dispersion medium that contains water and a water-soluble polyhydric alcohol having a weight average molecular weight of 400 or more, and a pigment. The pigment accounts for less than 5 mass % of the total am...
11/10/2011
20110273516PIEZOELECTRIC ELEMENT, LIQUID-EJECTING HEAD, AND LIQUID-EJECTING APPARATUS
A piezoelectric element includes a piezoelectric layer and electrodes provided to the piezoelectric layer. The piezoelectric layer consists of a complex oxide containing bismuth, cerium, iron and cobalt and the molar ratio of cobalt to the total of iron and cobalt is 0....
11/10/2011
20110273517PIEZOELECTRIC ELEMENT, LIQUID-EJECTING HEAD, AND LIQUID-EJECTING APPARATUS
A piezoelectric element includes electrodes and a piezoelectric layer provided between the electrodes. The piezoelectric layer is made of a complex oxide which contains bismuth, iron, and chromium. The piezoelectric layer contains 0.125 to 0.875 mole of chromium per mol...
11/10/2011
20110267405PIEZOELECTRIC ELEMENT, LIQUID EJECTION HEAD, AND LIQUID EJECTING APPARATUS
A piezoelectric element, comprising electrodes and a piezoelectric body formed between the electrodes. The piezoelectric body consists of a perovskite oxide including bismuth, lantern, iron and manganese. The molar ratio of the sum of the bismuth and the lantern to the ...
11/03/2011
20110261101Method and Apparatus for Droplet Deposition
A method for depositing droplets onto a substrate employs an apparatus, such as an inkjet printhead, the apparatus having: an array of channels, acting as fluid chambers, separated by interspersed walls, with each channel communicating with an aperture or nozzle for the...
10/27/2011
20110261119Method and Apparatus for Droplet Deposition
A method for depositing droplets onto a substrate employs an apparatus, such as an inkjet printhead, the apparatus having: an array of channels, acting as fluid chambers, separated by interspersed walls, with each channel communicating with an aperture or nozzle for the...
10/27/2011
20110254899LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS
A liquid ejecting head comprises a pressure chamber communicating with nozzle and a piezoelectric actuator including a piezoelectric layer and an electrode which applies a voltage to the piezoelectric layer. The piezoelectric layer is composed of a solid solution contai...
10/20/2011
20110242241INK COMPOSITION CONTAINING NON-VOC LIQUID CARRIER
Ink composition including non-VOC liquid carrier and method of making the same are disclosed. A disclosed example ink composition has a viscosity that is below about 70.0 cps and includes non-VOC liquid carrier, dispersing agents and pigment particles having an average ...
10/06/2011
20110242226INK-JET HEAD AND INK-JET APPARATUS
An ink-jet head includes an ink chamber; an ink supply channel through which ink to be supplied to the ink chamber flows; an ink discharge channel through which the ink discharged from the ink chamber flows; a partition wall constituting a side surface of the ink chambe...
10/06/2011
20110242225PIEZOELECTRIC ACTUATOR UNIT AND METHOD FOR TESTING PIEZOELECTRIC ACTUATOR UNIT
A piezoelectric actuator unit includes: a wiring board; a piezoelectric actuator which is provided with a piezoelectric layer, a plurality of individual electrodes provided to the piezoelectric layer, a common electrode which faces the plurality of individual electrodes...
10/06/2011
20110234705INK JET HEAD AND INK JET DEVICE HAVING THE SAME
An ink jet head and an ink jet device having the same are provided, which include an ink supply path supplied with ink from an ink inlet port, an ink discharge path configured to discharge the ink to an ink discharge port, an ink chamber provided to communicate with the...
09/29/2011
20110234704PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, LIQUID DROPLET EJECTING HEAD, LIQUID DROPLET EJECTING APPARATUS, AND METHOD OF PRODUCING PIEZOELECTRIC ELEMENT
The piezoelectric element includes a first electrode disposed on a substrate, a piezoelectric material layer disposed on the first electrode, a second electrode disposed on the piezoelectric material layer, and a protective film covering at least a side surface of the p...
09/29/2011
20110234706INK-JET APPARATUS
An ink-jet apparatus includes an ink supply flow path, an ink discharge flow path, and an ink flow path connecting them, in which piezoelectric elements are provided in the ink flow path having at least one turn part, the piezoelectric elements are arranged to be oppose...
09/29/2011
20110234668Jetting Device with Reduced Crosstalk
A printing device for jetting a liquid includes a flow path body having a plurality of jetting flow paths, a liquid in the plurality of jetting flow paths, a piezoelectric actuator associated with each jetting flow path, a feed substrate having a plurality of fluid inle...
09/29/2011
20110228013PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, DROPLET-EJECTING HEAD, DROPLET-EJECTING APPARATUS, AND METHOD FOR MANUFACTURING PIEZOELECTRIC ELEMENT
A piezoelectric element includes a first electrode disposed on a substrate, a piezoelectric layer disposed on the first electrode, a second electrode disposed on the piezoelectric layer, and a resin layer that covers at least the side surfaces of the first electrode. Th...
09/22/2011
20110228014PIEZOELECTRIC ELEMENT, LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS
A piezoelectric element comprises electrodes and a piezoelectric member which is disposed between the electrodes. The piezoelectric member includes a first layer containing bismuth and titanium and a second layer containing bismuth lanthanum iron and manganese....
09/22/2011
20110228012INK-JET APPARATUS
An ink-jet apparatus comprising: an ink supply channel through which ink flows; an ink chamber that communicates with the ink supply channel via an ink inlet channel, holds the ink supplied from the ink supply channel, and has a nozzle that discharges the ink; an ink ev...
09/22/2011
20110228011Restriction Of Fluid Ejector Membrane
A fluid ejection module includes a die having a plurality of substantially identical fluid ejector units formed therein. Each fluid ejector unit includes a flow path formed therethrough, the flow path including a pumping chamber fluidically connected to a nozzle, and an...
09/22/2011
20110221827LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS
There is provided a liquid ejecting head comprising a pressure generating chamber and a piezoelectric actuator having a piezoelectric material consisting of composite oxide. The composite oxide contains bismuth, sodium, barium, titanium, and zinc. A ratio of zinc conten...
09/15/2011
20110221826LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT
Provided is a piezoelectric element comprising a piezoelectric layer and an electrode. The piezoelectric layer includes a solid solution of bismuth lanthanum titanate zincate and lead titanate. The molar ratio of the bismuth lanthanum titanate zincate to the lead titana...
09/15/2011
20110221829PIEZOELECTRIC ELEMENT, LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS
A piezoelectric element comprises a piezoelectric layer made of a perovskite compound containing sodium, potassium, lithium, niobium and tantalum and bismuth manganate and electrodes for applying a voltage to the piezoelectric layer....
09/15/2011
20110221830LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS
A liquid ejecting head comprises a pressure-generating chamber communicating with a nozzle opening and a piezoelectric element including a piezoelectric layer and electrodes. The piezoelectric layer is composed of a compound oxide having a perovskite structure and conta...
09/15/2011
20110221828LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT AND PIEZOELECTRIC MATERIAL
A liquid-ejecting head comprises a pressure-generating chamber and a piezoelectric element including a piezoelectric material. The piezoelectric material contains a complex oxide having a perovskite structure. The complex oxide contains bismuth, sodium, barium, titanium...
09/15/2011
1                      
 
Sign InRegister
Username  
Password   
forgot password?