Patent application number | Description | Published |
20100114449 | DEVICE AND METHOD FOR ESTIMATING FRICTIONAL CONDITION OF GROUND CONTACT SURFACE OF WHEEL - Apparatus for estimating a ground contact surface gripping characteristic of a vehicle wheel of a vehicle comprises an input section and an output section. The input section sets an input representing a ratio of a wheel force acting on the vehicle wheel in the ground contact surface, and a wheel slipping degree of the vehicle wheel. The output section determines, from the input, an output representing a grip characteristic parameter indicative of the gripping characteristic of the vehicle wheel. | 05-06-2010 |
20110106458 | ROAD SURFACE FRICTION COEFFICIENT ESTIMATING DEVICE AND ROAD SURFACE FRICTION COEFFICIENT ESTIMATING METHOD - A road surface friction coefficient estimating device includes a lateral force detecting section for detecting the lateral force of a wheel during traveling, a slip angle detecting section for detecting the slip angle of the wheel during traveling, and a road surface μ calculating section for estimating the relationship between the detected lateral force and the detected slip angle on the basis of the ratio between the detected lateral force and the detected slip angle, the correlation between the lateral force and the slip angle in the case of the reference road surface, and at least either the detected lateral force or the detected slip angle. | 05-05-2011 |
20110118935 | ROAD SURFACE FRICTION COEFFICIENT ESTIMATING DEVICE AND ROAD SURFACE FRICTION COEFFICIENT ESTIMATING METHOD - A road surface friction coefficient estimating device includes a braking/driving force detecting section for detecting the braking/driving force of a wheel during traveling, a slip ratio detecting section for detecting the slip ratio of the wheel during traveling, and a road surface μ calculating section for estimating the relationship between the detected braking/driving force and the detected slip ratio on the basis of the ratio between the detected braking/driving force and the detected slip ratio, the correlation between the braking/driving force and the slip ratio in the case of the reference road surface, and at least either the detected braking/driving force or the detected slip ratio. | 05-19-2011 |
20110209521 | DEVICE AND METHOD FOR ESTIMATING FRICTIONAL CONDITION OF GROUND SURFACE WITH WHICH VEHICLE IS IN CONTACT - Apparatus (or method) for estimating a gripping characteristic of a vehicle wheel of a vehicle on a ground contact surface includes first input section (or step), a second input section (or step) and an output section (or step). The first input section sets a first input which is a ratio of a first wheel force acting on the vehicle wheel in the ground contact surface in a first direction, and a first wheel slip degree. The second input section sets a second input which is a ratio of a second wheel force acting on the vehicle wheel in the ground contact surface in a second direction, and a second wheel slip degree of the vehicle wheel. The output section determines, from the first and second inputs, an output which is a grip characteristic parameter indicative of the gripping characteristic of the vehicle wheel. | 09-01-2011 |
Patent application number | Description | Published |
20110164095 | METHODS FOR MANUFACTURING LIQUID EJECTING HEAD AND PIEZOELECTRIC ELEMENT, LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT - A method for manufacturing a piezoelectric element comprising forming a titanium film containing titanium; forming a platinum film containing platinum on the titanium film; forming a piezoelectric precursor film containing bismuth, lanthanum, iron and manganese on the platinum film; crystallizing the piezoelectric precursor film to form a piezoelectric layer by firing the piezoelectric precursor film in an atmosphere of an inert gas; and forming an electrode on the piezoelectric layer. | 07-07-2011 |
20110164096 | LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT - A piezoelectric element comprising a first electrode, a piezoelectric layer which includes bismuth, lanthanum iron, and manganese and which formed above the first electrode and a second electrode formed above the piezoelectric layer. The integrated intensity of a diffraction peak observed at 20°<2θ<25° is 90% or more of the sum of the integrated intensities of diffraction peaks observed at 20°<2θ<50° in an X-ray powder diffraction pattern of the piezoelectric layer measured at φ=Φ=0°. | 07-07-2011 |
20110164097 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT - A piezoelectric element comprising a piezoelectric layer containing bismuth, lanthanum iron manganese and titanium and a electrode formed above the piezoelectric layer. | 07-07-2011 |
20110164098 | LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, PIEZOELECTRIC ELEMENT, AND METHOD FOR MANUFACTURING LIQUID-EJECTING HEAD - A piezoelectric element comprising a first electrode, a piezoelectric layer containing bismuth lanthanum iron and manganese formed above the first electrode, and a second electrode formed above the piezoelectric layer. The piezoelectric layer contains crystals preferentially oriented in a (111) plane. | 07-07-2011 |
20110220734 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a plate which is composed of a material containing silicon, a titanium oxide layer which is disposed above the plate, a bismuth-containing layer which is disposed above the titanium oxide layer and contains bismuth, a first electrode which is disposed above the bismuth-containing layer and composed of platinum, a piezoelectric layer which is disposed above the first electrode and composed of a piezoelectric material containing at least bismuth, and a second electrode which is disposed above the piezoelectric layer. | 09-15-2011 |
20120147101 | LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT - A piezoelectric element comprises a silicon oxide layer, an intermediate layer provided above the silicon oxide layer, a first electrode provided above the intermediate layer, a piezoelectric layer provided above the intermediate layer, and a second electrode provided above the piezoelectric layer. The piezoelectric layer is configured of a complex oxide having a perovskite structure and containing at least bismuth and iron. The intermediate layer contains magnesium oxide and/or aluminum oxide. | 06-14-2012 |
20120242755 | METHOD FOR MANUFACTURING PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ELEMENT, LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS - A piezoelectric element is manufactured in a method including forming an adhesion layer of zirconium above a zirconium oxide insulating film, forming a first electrode above the adhesion layer, forming a piezoelectric layer of a complex oxide containing bismuth above the first electrode, and forming a second electrode above the piezoelectric layer. | 09-27-2012 |
20140055531 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a plate which is composed of a material containing silicon, a titanium oxide layer which is disposed above the plate, a bismuth-containing layer which is disposed above the titanium oxide layer and contains bismuth, a first electrode which is disposed above the bismuth-containing layer and composed of platinum, a piezoelectric layer which is disposed above the first electrode and composed of a piezoelectric material containing at least bismuth, and a second electrode which is disposed above the piezoelectric layer. | 02-27-2014 |
20150145926 | LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT - Provided is A piezoelectric element comprising a first electrode; a piezoelectric body layer provided on the first electrode, the piezoelectric body layer including 50 mol % or more of at least bismuth and iron, and the piezoelectric body layer having a current-time curve obtained by applying a voltage to the first electrode and the second electrode including a plurality of inflection points; and a second electrode provided on the piezoelectric body layer. | 05-28-2015 |
Patent application number | Description | Published |
20080225569 | FERROELECTRIC CAPACITOR AND ITS MANUFACTURING METHOD - A ferroelectric capacitor includes: a ferroelectric film, and a lower electrode and an upper electrode interposing the ferroelectric film, wherein the ferroelectric film includes a first ferroelectric layer of ferroelectric material having a perovskite type crystal structure expressed by a general formula ABO | 09-18-2008 |
20090186150 | METHOD FOR MANUFACTURING FERROELECTRIC MEMORY - A method for manufacturing a ferroelectric memory includes the steps of: preparing a sol-gel solution; removing solvent from the sol-gel solution to obtain powder; dividing the powder into at least first powder and second powder; obtaining solution with the first powder; coating the solution on a first conductive film; and applying heat treatment to the solution on the first conductive film to form a ferroelectric film. | 07-23-2009 |
20120147100 | LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC CERAMIC - A liquid ejecting head includes a pressure generating chamber communicating with a nozzle aperture, and a piezoelectric element including a piezoelectric layer and electrodes that apply a voltage to the piezoelectric layer. The piezoelectric layer is made of a complex oxide having a perovskite structure. The piezoelectric layer contains bismuth, barium, iron and titanium. The piezoelectric layer has an intensity ratio of a (111) orientation intensity to a (100) orientation intensity of 3 or more. | 06-14-2012 |
20130229464 | METHOD OF MANUFACTURING LIQUID EJECTING HEAD, PIEZOELECTRIC ELEMENT, AND LIQUID EJECTING DEVICE - There is provided a method of manufacturing a liquid ejecting head equipped with a piezoelectric layer and an electrode provided on the piezoelectric layer, the method including forming the piezoelectric layer, which is made from a complex oxide having a perovskite structure containing Bi, Fe, Ba and Ti, and which has a residual stress of | 09-05-2013 |