Patent application number | Description | Published |
20080272686 | SPACER, MANUFACTURING METHOD THEREOF, IMAGE DISPLAY APPARATUS USING THE SPACER, AND MANUFACTURING METHOD THEREOF - There is provided a spacer for an image display apparatus having a base material and a film configuration in which a first film having a structure that silver particles are dispersed in aluminum oxynitride and a second film containing tungsten, germanium and nitrogen are layered on the base material in this order. | 11-06-2008 |
20080278059 | ELECTRON-EMITTING DEVICE, ELECTRON SOURCE, IMAGE DISPLAY APPARATUS AND METHOD FOR MANUFACTURING ELECTRON-EMITTING DEVICE - An electron-emitting device of the present invention has an electron-emitting film, and the electron-emitting film is composed of a first layer made of a first material, and a plurality of particles made of a second material whose electric resistivity is lower than that of the first material and provided into the first layer. The first material contains oxygen and nitrogen. A method for manufacturing the electron-emitting device according to the present invention has a step of forming the electron-emitting film, and the electron-emitting film forming step includes a step of forming the plurality of particles made of a second material whose electric resistivity is lower than that of a first material into the first layer made of the first material containing oxygen and nitrogen. | 11-13-2008 |
20100060126 | ELECTRON SOURCE AND IMAGE DISPLAY APPARATUS - There is provided an electron source according to the present invention, having a plurality of electron-emitting devices wherein each of the electron-emitting devices has a pair of electrodes, and a plurality of conductive films having respective electron emitting portions, provided between the pair of electrodes so as to be electrically connected to the pair of electrodes, the electron source including: a short-circuit suppressing film which is positioned between the plurality of conductive films and is provided on the electron-emitting device so as to be electrically connected to the pair of electrodes, and mainly contains tungsten (W) and germanium (Ge) nitride, wherein a ratio of the number of tungsten atoms to the number of tungsten and germanium atoms is 0.24 or more in the short-circuit suppressing film, surface resistivity of the short-circuit suppressing film is not less than 1×10 | 03-11-2010 |
20130250417 | VIBRATING APPARATUS, DRIVING APPARATUS HAVING THE VIBRATING APPARATUS, AND OPTICAL DEVICE - A vibration apparatus includes a vibrating body that includes a piezoelectric material having a lead content of less than 1000 ppm, and has an electromechanical energy converting element having an electrode; and a control unit that applies at least two driving voltages to the electromechanical energy converting element, and generates a combined vibration by providing a time phase difference to the vibrating body and generating multiple stable waves having mutually different orders; wherein the control unit changes at least one of the voltage amplitude ratio and time phase difference of at least two driving voltages, so as to change the amplitude distribution of the combined vibration. | 09-26-2013 |
20130286274 | DUST REMOVING DEVICE AND IMAGE PICKUP APPARATUS - A dust removing device generates vibrations at least at a wavelength λ in a vibrating member by applying alternating voltages to a first piezoelectric element and a second piezoelectric element, respectively. The first piezoelectric element is provided on a first surface of the vibrating member that is on a side having a target surface. The second piezoelectric element is provided on a second surface of the vibrating member that is opposite the first surface. When the first piezoelectric element and the second piezoelectric element are projected in a direction that is normal to the target surface, a distance dL | 10-31-2013 |
20140124695 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS - Provided is a lead-free piezoelectric material having satisfactory and stable piezoelectric constant and mechanical quality factor in a wide practical use temperature range. The piezoelectric material includes a perovskite-type metal oxide represented by Formula (1): (Ba | 05-08-2014 |
20140131611 | PIEZOELECTRIC MATERIAL - A lead-free piezoelectric material that has stable, excellent piezoelectric constant and mechanical quality factor in a wide operating temperature range is provided. A piezoelectric material include a perovskite-type metal oxide represented by (Ba | 05-15-2014 |
20140145106 | PIEZOELECTRIC MATERIAL - A lead-free piezoelectric material that does not undergo depolarization in a wide operating temperature range and has a good piezoelectric constant is provided. A piezoelectric material include a perovskite-type metal oxide represented by (Ba | 05-29-2014 |
20140218588 | DUST REMOVING DEVICE AND IMAGING DEVICE - Provided is a dust removing device that can be designed and controlled appropriately and has high dust removal performance even at low temperature, and an imaging device using the dust removing device. In a dust removing device to be set on a base, including a piezoelectric element formed of a piezoelectric material and a pair of opposing electrodes, a vibration member, and a fixation member containing at least a high molecular compound component, a phase transition temperature T from a first ferroelectric crystal phase to a second ferroelectric crystal phase of the piezoelectric material is set to −60° C.≦T≦−5° C., and whereby, the dust removing device can be designed and controlled appropriately and high dust removal performance can be obtained even at low temperature. | 08-07-2014 |
20150053884 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS - The present invention provides a lead-free piezoelectric material having a high piezoelectric constant and a high mechanical quality factor in a wide operating temperature range. The piezoelectric material includes a perovskite-type metal oxide represented by Formula (1): | 02-26-2015 |