Patent application number | Description | Published |
20110109702 | Inkjet head - There is provided an inkjet head. An inkjet head according to an aspect of the invention may include: a body having a nozzle in an outer surface thereof; a reservoir provided within the body and containing ink being externally injected; an ink chamber receiving the ink from the reservoir through a restrictor and ejecting the ink to an outside through the nozzle; and a reservoir actuator mounted on the body at a position corresponding to the reservoir and transmitting vibrations to the reservoir. | 05-12-2011 |
20110134182 | INKJET HEAD PACKAGE - There is provided an inkjet head package including: an ink head having an actuator mounted thereon and ejecting ink to the outside by a driving force of the actuator; an intermediate substrate disposed between the ink head and an ink storage supplying ink to the ink head, and having a socket provided on a surface thereof; and a lead frame provided on an upper surface of the ink head such that the intermediate substrate and the actuator are electrically connected to each other. | 06-09-2011 |
20110134196 | Inkjet head - There is provided an inkjet head including: a flow path plate having a plurality of ink chambers; a nozzle plate having a plurality of nozzles connected to the respective ink chambers in order to eject ink in the ink chambers to the outside; a piezoelectric actuator provided above the ink chambers and controlling pressure of the ink chambers; and a parylene protective film provided in order to prevent oxidization of the piezoelectric actuator. | 06-09-2011 |
20110162181 | Device for polling piezoelectric element and polling method using the same - A device for polling a piezoelectric element includes: a polling chamber in which a plurality of piezoelectric elements are disposed; a power supply unit providing voltage to poll the piezoelectric elements; a capacitance measurement unit connected with the piezoelectric elements to measure the capacitance of the piezoelectric elements; and a switching system connected with the power supply unit and the piezoelectric elements within the polling chamber, and selectively providing the voltage of the power supply unit to the piezoelectric elements. | 07-07-2011 |
20110169895 | Inkjet print head, wafer level package and method of manufacturing the same - There is provided an inkjet print head including an ink head and a chipping prevention portion. The ink head includes a nozzle for ejecting ink to the outside by a driving force of a piezoelectric actuator mounted on a surface of the ink head. The chipping prevention portion includes a cutting portion disposed at a side of the ink head and being cut so as to have a height lower than that of the nozzle. | 07-14-2011 |
20110181668 | Inkjet print head and manufacturing method thereof - There is provided an inkjet print head including: a body portion including a nozzle ejecting ink, an ink chamber connected to the nozzle so as to supply the ink to the nozzle, and a vibration plate transferring vibrations to the ink chamber and formed of an elastomer; an actuator mounted on the body portion in order to be arranged to correspond to the ink chamber and generating the vibrations transferred to the ink chamber; and a buffer layer allowing for an electrical connection with the actuator and having a Young's modulus greater than that of the body portion. | 07-28-2011 |
20110193915 | Piezoelectric actuator, inkjet head including the same, and method of manufacturing piezoelectric actuator - A piezoelectric actuator according to an aspect of the invention may include: upper and lower electrodes supplying a driving voltage; and a piezoelectric material formed by solidifying a piezoelectric liquid having viscosity between the upper and lower electrodes and providing a driving force to ink inside an ink chamber of an inkjet head. | 08-11-2011 |
20110205313 | Inkjet print head and method of manufacturing the same - There is provided an inkjet print head including: a pressure chamber storing ink in order to eject the ink to a nozzle; a piezoelectric actuator receiving part being recessed in order to correspond to the pressure chamber in a direction of the pressure chamber; and a piezoelectric actuator received in the piezoelectric actuator receiving part, in which viscous liquid having piezoelectric properties is filled and hardened, and supplying the pressure chamber with a driving force for ejection of the ink. | 08-25-2011 |
20130167633 | INERTIAL SENSOR AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are an inertial sensor and a method of manufacturing the same. The inertial sensor | 07-04-2013 |
20140088907 | INERTIAL SENSOR AND METHOD FOR CORRECTING THE SAME - Disclosed herein is a method for correcting an inertial sensor, including: (A) analyzing, by a computer, an inertial sensor; (B) detecting inertia moments at both sides based on a driving reference axis of the inertial sensor; (C) determining, by the computer, whether the inertia moment or a mass center is regularly symmetrical with each other at both sides based on the driving reference axis; and (D) correcting, by the computer, design information of the inertial sensor so that the inertia moment or the mass center is regularly symmetrical with each other based on the driving reference axis. | 03-27-2014 |
20140346892 | POLLING SYSTEM AND POLLING METHOD USING THE SAME - Disclosed herein is a polling system, including: a matrix element including individual elements including upper electrodes and lower electrodes, the individual elements being arrayed in plural, the upper electrodes of the individual elements being each connected in series to form upper electrode units which are arrayed in plural and the lower electrodes of the individual elements being each connected in series to form lower electrode units which are arrayed in plural; an upper switch connected to each of the upper electrode units which is arrayed in plural; a lower switch connected to each of the lower electrode units which is arrayed in plural; and a polling unit performing polling to apply voltage to the upper electrodes and the lower electrodes, respectively. | 11-27-2014 |