| Patent application number | Description | Published |
|---|
| 20090315432 | METAL OXIDE, PIEZOELECTRIC MATERIAL AND PIEZOELECTRIC ELEMENT - Provided are a piezoelectric material without using lead or an alkali metal, the piezoelectric material having a stable crystal structure in a wide temperature range, high insulation property, and high piezoelectric property, and a piezoelectric element using the piezoelectric material, in which the piezoelectric material is made of a metal oxide having a tetragonal crystal structure and expressed by Ba(Si | 12-24-2009 |
| 20100025617 | METAL OXIDE - Provided is a piezoelectric material excellent in piezoelectricity. The piezoelectric material includes a perovskite-type complex oxide represented by the following General Formula (1). | 02-04-2010 |
| 20100025618 | PIEZOELECTRIC MATERIAL - Provided is a piezoelectric material which includes a compound free of lead and alkali metal and has a good piezoelectric property. The piezoelectric material where tungsten bronze structure oxides being free of lead and alkali metal and represented by A | 02-04-2010 |
| 20100155647 | OXYNITRIDE PIEZOELECTRIC MATERIAL AND METHOD OF PRODUCING THE SAME - Provided are an oxynitride piezoelectric material which exhibits ferroelectricity and has good piezoelectric properties and a method of producing the oxynitride piezoelectric material. The oxynitride piezoelectric material includes a tetragonal perovskite-type oxynitride represented by the following general formula (1): | 06-24-2010 |
| 20100231096 | PIEZOELECTRIC MATERIAL, METHOD OF MANUFACTURING THE SAME, AND PIEZOELECTRIC DEVICE - Provided is a piezoelectric material having a good piezoelectric property and Curie temperature (Tc) of 150° C. or higher, and a piezoelectric device using the piezoelectric material. The piezoelectric material includes a sintered body made of a perovskite-type metal oxide represented by the following general formula (1): xBi(Mg | 09-16-2010 |
| 20110012050 | PIEZOELECTRIC MATERIAL - Provided is a piezoelectric material including a lead-free perovskite-type composite oxide which is excellent in piezoelectric characteristics and temperature characteristics and is represented by the general formula (1): | 01-20-2011 |
| 20110193451 | MANUFACTURING METHOD FOR PREFERENTIALLY-ORIENTED OXIDE CERAMICS, PREFERENTIALLY-ORIENTED OXIDE CERAMICS, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST REMOVING DEVICE - Provided is a manufacturing method for preferentially-oriented oxide ceramics having a high degree of crystal orientation. The manufacturing method includes: obtaining slurry containing an oxide crystal B having magnetic anisotropy; applying a magnetic field to the oxide crystal B, and obtaining a compact of the oxide crystal B; and subjecting the compact to oxidation treatment to obtain preferentially-oriented oxide ceramics including a compact of an oxide crystal C having a crystal system that is different from a crystal system of one of a part and a whole of the oxide crystal B. By (1) reacting raw materials, (2) reducing the oxide crystal A, or (3) keeping the oxide crystal A at high temperature and quenching the oxide crystal A, the oxide crystal B is obtained to be used in the slurry. | 08-11-2011 |
| 20110297870 | PIEZOELECTRIC MATERIAL AND PRODUCTION METHOD THEREFOR - Provided is an oriented piezoelectric material with satisfactory sintering property free of Pb that is a hazardous substance, and a water-soluble alkaline ion, and a production method therefor. To this end, provided is a compound, including a tungsten bronze structure metal oxide, in which: the tungsten bronze structure metal oxide contains at least metal elements of Ba, Bi, Ca, and Nb, the metal elements satisfying the following conditions in terms of molar ratio; and has a C-axis orientation. The compound shows Ba/Nb=a: 0.363| 12-08-2011 | |
| 20110298336 | CERAMIC, PIEZOELECTRIC DEVICE, AND PRODUCTION METHOD THEREOF - To provide a piezoelectric ceramic containing BiFeO | 12-08-2011 |
