Patent application number | Description | Published |
20090102321 | Piezoelectric/electrostrictive membrane sensor - Disclosed is a piezoelectric/electrostrictive membrane sensor | 04-23-2009 |
20090120183 | Piezoelectric/electrostrictive membrane sensor - Disclosed is a piezoelectric/electrostrictive membrane sensor | 05-14-2009 |
20090152996 | Piezoelectric/electrostrictive membrane element - Disclosed is a piezoelectric/electrostrictive membrane element having a large flexural displacement with suppressed disadvantages such as the generation of a micro crack and a lattice defect due to a concentrated stress. The element includes a substrate of a ceramic material, a membranous piezoelectric/electrostrictive portion including a piezoelectric/electrostrictive body constituted of a large number of crystal particles | 06-18-2009 |
20100071179 | METHOD FOR PRODUCING CYRSTALLOGRAPHICALLY ORIENTED CERAMIC - A method for producing a piezoelectric/electrostrictive body | 03-25-2010 |
20110012049 | METHOD FOR PRODUCING CRYSTALLOGRAPHICALLY ORIENTED CERAMIC - A method for producing a crystallographically oriented ceramic according to the present invention includes a preparation step of preparing a template layer having uniform crystal orientation in a predetermined direction, a formation step of forming a shaped body including a matrix layer arranged on the template layer, the matrix layer being composed of a mixed material that contains a lead-containing material and an additional material containing lithium and boron, and a firing step of firing the shaped body formed in the formation step at a predetermined firing temperature. Furthermore, after the firing step, a post-annealing step of heating the shaped body to remove lithium and boron may be included. | 01-20-2011 |
20110014362 | METHOD FOR PRODUCING CRYSTALLINE PARTICLES AND METHOD FOR PRODUCING CRYSTALLOGRAPHICALLY ORIENTED CERAMIC - A method for producing crystalline particles according to the present invention includes a mixing step of producing a mixed material containing a lead-containing material and an additional material containing lithium and boron and a first firing step of firing the mixed material at a predetermined firing temperature to form polyhedral crystalline particles. It is possible to produce a crystallographically oriented ceramic by preparing a template layer having uniform crystal orientation in a predetermined direction by fixing the crystalline particles on a substrate, forming a shaped body including a matrix layer arranged on the template layer, the matrix layer being composed of a mixed material that contains a lead-containing material and an additional material containing lithium and boron, and firing the shaped body. | 01-20-2011 |
20110284387 | METHOD FOR IMMOBILIZING PARTICLES AND METHOD FOR PRODUCING PARTICLE-IMMOBILIZED SUBSTRATE - The present invention is a method for immobilizing particles | 11-24-2011 |
20110291530 | CRYSTAL ORIENTED CERAMIC COMPOSITE BODY, AND PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT - A crystal oriented ceramic composite body including a substrate that has a first surface and a second surface, and a {100} oriented ceramic film that is disposed to face the first surface. The {100} oriented ceramic film includes a first sectional surface. The first sectional surface is perpendicular to the first surface, and a 90 degree domain includes a domain wall within a range of ±20 degrees of a normal to the first surface and occupies a surface area of at least ⅓ of the first sectional surface. | 12-01-2011 |
20120104309 | LEAD-BASED PIEZOELECTRIC MATERIAL AND PRODUCTION METHOD THEREFOR - A lead-based particulate piezoelectric material has a median diameter of less than 1 μm and a particle size distribution expressed by [arithmetic deviation/mean] of no greater than 15% and in which no less than 85% of all particles are cubic. | 05-03-2012 |
20120315500 | LAMINATE AND METHOD OF MANUFACTURING THE SAME - A laminate ( | 12-13-2012 |
20130101832 | NOBLE METAL COATING AND MANUFACTURING METHOD THEREOF - The noble metal coating of the present invention is formed on a ceramic substrate. The noble metal coating has a thickness of less than 2 μm and comprises a matrix metal and a ceramic fine particle. The matrix metal includes at least one metal selected from a group consisting of Pt, Pd, Ru, Rh, Os, Ir and Au as a main component. The content of the ceramic fine particle is preferably 3 to 30 parts by weight with respect to 100 parts by weight of the matrix metal. The ratio between the average particle size of the ceramic fine particle and the thickness of the noble metal coating is preferably 1/1.5 to 1/400. | 04-25-2013 |
20140091678 | LAMINATE - A piezoelectric/electrostrictive film type element includes a lower electrode, a piezoelectric layer, and an upper electrode laminated in order on a support. An average particle diameter of each of particles of a piezoelectric material forming the piezoelectric layer falls within a range of 0.5 μm to 10 μm. The sectional shape of the piezoelectric layer is a “quadrilateral (substantially rectangular shape) having a height of from 0.5 μm to 15 μm and an angle (θ) at an end point of a base of from 85° to 105°.” A surface roughness of a side surface of the piezoelectric layer is 0.05 dμm to 0.5 dμm at the maximum height roughness Rz (defined by JIS B 0601:2001). Both “generation of a leak current that flows through the piezoelectric layer” and “occurrence of particle shedding from a side surface of the piezoelectric layer” can be prevented. | 04-03-2014 |
Patent application number | Description | Published |
20090205181 | PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT AND METHOD OF MANUFACTURING THE SAME - A piezoelectric/electrostrictive element with improved moisture resistance while having less degradation in its piezoelectric/electrostrictive properties and a method of manufacturing such a piezoelectric/electrostrictive element are provided. A laminated vibrator of a piezoelectric/electrostrictive element has a structure in which an electrode film, a piezoelectric/electrostrictive film, another electrode film, another piezoelectric/electrostrictive film, and another electrode film are laminated one above the other. In the manufacture of the piezoelectric/electrostrictive element, the laminated vibrator and a counter electrode are immersed in an electrodeposition coating fluid containing a coating component so that the electrodeposition coating fluid is brought into contact with the surfaces of the laminated vibrator and the counter electrode. Thereafter, voltage is applied between an internal electrode film and the counter electrode to induce electrophoresis of the coating component toward a surface-exposed defect, whereby the coating material is selectively electrodeposited on the surface-exposed defect. | 08-20-2009 |
20090236557 | PIEZOELECTRIC/ELECTROSTRICTIVE CERAMIC COMPOSITION - A piezoelectric/electrostrictive ceramic composition is provided which exhibits high density and excellent crystallinity even in the case of firing under lower temperature conditions than in conventional cases, and which also exhibits excellent piezoelectric/electrostrictive properties. An ABO | 09-24-2009 |
20110234044 | PIEZOELECTRIC/ELECTROSTRICTIVE CERAMIC, MANUFACTURING METHOD FOR PIEZOELECTRIC/ELECTROSTRICTIVE CERAMIC, PIEZOELECTRIC/ ELECTROSTRICTIVE ELEMENT, AND MANUFACTURING METHOD FOR PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT - Provided is a piezoelectric/electrostrictive ceramic which produces large electric-field induced strain without performing an aging treatment for a long period of time. A piezoelectric/electrostrictive ceramic sintered body in which the ratio of the number of ions at A sites to the number of ions at B sites in a perovskite structure is at least 0.94 to at most 0.99 is subjected to an oxygen heat treatment at a temperature of 600 to 1050° C. for 2 to 100 hours under an atmosphere with an oxygen partial pressure of 0.05 to 1.0 atm. | 09-29-2011 |
20120007474 | PIEZOELECTRIC/ELECTROSTRICTIVE ELEMENT AND METHOD OF MANUFACTURING THE SAME - A piezoelectric/electrostrictive element with improved moisture resistance while having less degradation in its piezoelectric/electrostrictive properties and a method of manufacturing such a piezoelectric/electrostrictive element are provided. A laminated vibrator of a piezoelectric/electrostrictive element has a structure in which an electrode film, a piezoelectric/electrostrictive film, another electrode film, another piezoelectric/electrostrictive film, and another electrode film are laminated one above the other. In the manufacture of the piezoelectric/electrostrictive element, the laminated vibrator and a counter electrode are immersed in an electrodeposition coating fluid containing a coating component so that the electrodeposition coating fluid is brought into contact with the surfaces of the laminated vibrator and the counter electrode. Thereafter, voltage is applied between an internal electrode film and the counter electrode to induce electrophoresis of the coating component toward a surface-exposed defect, whereby the coating material is selectively electrodeposited on the surface-exposed defect. | 01-12-2012 |