Patent application number | Description | Published |
20110216130 | PIEZOELECTRIC ELEMENT, LIQUID EJECTION HEAD, AND LIQUID EJECTION DEVICE - A piezoelectric element having a piezoelectric layer and electrodes. The piezoelectric layer is 3 μM or less in thickness. The piezoelectric layer is made of a piezoelectric material containing a perovskite compound including bismuth manganate ferrate and barium titanate. The piezoelectric layer is preferentially oriented with the (110) plane. The position (2θ) of the X-ray diffraction peak attributed to the (110) plane is 31.80° or more and 32.00° or less. | 09-08-2011 |
20110216133 | PIEZOELECTRIC ELEMENT, LIQUID EJCTION HEAD, AND LIQUID EJECTION DEVICE - A piezoelectric element having a piezoelectric layer and electrodes. The piezoelectric layer is 3 μm or less in thickness. The piezoelectric layer is made of a piezoelectric material containing a perovskite compound including bismuth manganate ferrate and barium titanate. The piezoelectric layer is preferentially oriented with the (110) plane. A full width at half maximum of the X-ray diffraction peak attributed to the (110) plane is 0.24° or more and 0.28° or less | 09-08-2011 |
20110217454 | METHOD FOR MANUFACTURING PIEZOELECTRIC FILM - A method for manufacturing a piezoelectric film includes: forming a piezoelectric precursor film including Bi, Fe, Mn, Ba, and Ti; and obtaining a piezoelectric film preferentially oriented with the (110) plane by crystallizing the piezoelectric precursor film. | 09-08-2011 |
20130141496 | LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT - A liquid ejecting head which discharges a liquid from nozzle openings includes: a piezoelectric element which is provided with a piezoelectric layer and an electrode provided on the piezoelectric layer, and the piezoelectric layer is formed of a complex oxide having a perovskite structure which contains bismuth, iron, barium, titanium, and at least one selected from the group consisting of copper, nickel, and zinc. | 06-06-2013 |
20140092176 | LIQUID EJECTION HEAD, LIQUID EJECTION DEVICE - A liquid ejection head including a piezoelectric element having a piezoelectric layer and electrodes The piezoelectric layer is 3 μm or less in thickness. The piezoelectric layer is made of a piezoelectric material including bismuth manganate ferrate and barium titanate. The piezoelectric layer is preferentially oriented with the (110) plane. | 04-03-2014 |
20140251436 | PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOVOLTAIC CELL - A photoelectric conversion element includes a PN junction formed from an N-type oxide layer and a P-type oxide layer. The P-type oxide layer is formed from an oxide having a perovskite structure. | 09-11-2014 |
20140264028 | SENSOR - A sensor includes a first electrode, a second electrode, a ferroelectric element that is disposed between the first electrode and the second electrode and that has a ferroelectric film formed of a ferroelectric substance, and a detector configured to read an electric charge generated in the ferroelectric element. The detector performs reading by applying a first voltage for aligning polarization directions of the ferroelectric film and a second voltage for reversing polarization of at least part of the ferroelectric film whose polarization directions have been aligned. | 09-18-2014 |
20150084151 | PHOTOELECTRIC CONVERSION ELEMENT AND METHOD OF MANUFACTURING THE SAME - A photoelectric conversion element includes a first electrode, a ferroelectric layer provided on the first electrode, and a second electrode provided on the ferroelectric layer, the second electrode being a transparent electrode, and a pn junction being formed between the ferroelectric layer and the first electrode or the second electrode. | 03-26-2015 |