Takami Sakamoto
Takami Sakamoto, Kagoshima JP
Patent application number | Description | Published |
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20080218028 | Piezoceramic Multilayer Actuator and Method of Manufacturing a Piezoceramic Multilayer Actuator - In a method of manufacturing a piezoceramic multilayer actuator ( | 09-11-2008 |
20080218029 | PIEZOCERAMIC MULTILAYER ACTUATOR AND METHOD OF MANUFACTURING A PIEZOCERAMIC MULTILAYER ACTUATOR - A piezoceramic multilayer actuator ( | 09-11-2008 |
20080224572 | PIEZOCERAMIC MULTILAYER ACTUATOR AND METHOD OF MANUFACTURING A PIEZOCERAMIC MULTILAYER ACTUATOR - A piezoceramic multilayer actuator ( | 09-18-2008 |
20100194247 | PIEZOCERAMIC MULTILAYER ACTUATOR WITH HIGH RELIABILITY - A piezoceramic multilayer actuator has a first sub-stack ( | 08-05-2010 |
20110017177 | Monolithic piezoactuator with transition region and safety layer, and use of the piezoactuator - A piezoactuator of monolithic multilayer design with an overall stack has at least one piezoelectrically active partial stack with piezoceramic layers arranged one above another and electrode layers arranged between these layers, at least one piezoelectrically inactive terminating region arranged above the partial stack, and at least one transition region arranged between the partial stack and the terminating region. The transition region has piezoceramic layers arranged one above another and electrode layers arranged between the piezoceramic layers and the piezoceramic layers and the electrode layers are arranged on one another such that there the electric fields that can be coupled into the piezoceramic layers are changed by electrical driving of the electrode layers successively in the transition region stack direction from piezoceramic layer to piezoceramic layer, and the partial stack has a safety layer towards the transition region, wherein a crack is preferably formed in the case of mechanical overloading. | 01-27-2011 |
Takami Sakamoto, Kirishima-Shi JP
Patent application number | Description | Published |
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20100060110 | Multi-Layer Piezoelectric Element and Injection Apparatus Employing The Same - A multi-layer piezoelectric element which undergo less change in the amount of displacement and shows high durability during continuous operation under a high voltage and pressure over a long period are provided. | 03-11-2010 |
20100090033 | Multi-Layer Piezoelectric Element, Injection Apparatus Using the Same and Method of Multi-Layer Piezoelectric Element - A multi-layer piezoelectric element having higher durability which experience less decrease in the amount of displacement even when operated continuously over a long period of time under a high pressure and a high voltage is provided. The multi-layer piezoelectric element comprises a plurality of piezoelectric layers and a plurality of internal electrode layers, wherein the piezoelectric layers and the internal electrode layers are stacked alternately one on another, and at least one of the plurality of internal electrode layers contains at least one nitride, titanium nitride or zirconium nitride. | 04-15-2010 |
20100327704 | Piezoelectric Actuator Unit and Method for Manufacturing the Same - A piezoelectric actuator unit which undergoes less change in the amount of displacement and shows high durability in continuous operation under a high voltage and a high pressure over a long period of time is provided. | 12-30-2010 |