公开(公告)号：US08777378B2

公开(公告)日：2014-07-15

申请号：US13407331

申请日：2012-02-28

申请人： Tae Kyung Lee ,  Pil Joong Kang ,  Hwa Sun Lee

发明人： Tae Kyung Lee ,  Pil Joong Kang ,  Hwa Sun Lee

IPC分类号： B41J2/045

CPC分类号： B41J2/14233 ,  B41J2002/14491 ,  B41J2202/18

摘要： There are provided a piezoelectric actuator, an inkjet head assembly, and a method of manufacturing the same. The piezoelectric actuator includes: upper and lower electrodes providing driving voltage; and a piezoelectric substance formed between the upper and lower electrodes through solidifying a liquid piezoelectric substance, and providing driving force to ink in each of a plurality of pressure chambers provided in an inkjet head, wherein the piezoelectric substance includes a plurality of branch portions individually provided on an upper portion of each of the plurality of pressure chambers and a large area portion integrally provided while being connected to each of the plurality of branch portions at one ends of the plurality of branch portions.

摘要翻译： 提供了压电致动器，喷墨头组件及其制造方法。 压电致动器包括：提供驱动电压的上下电极; 以及通过使液体压电体固化而形成在上下电极之间的压电体，并且在设置在喷墨头中的多个压力室中的每个压力室中的墨水中提供驱动力，其中，压电体包括多个分支部， 在所述多个压力室的每一个的上部，以及在所述多个分支部的一端连接到所述多个分支部中的每一个的同时一体地设置的大面积部分。

公开(公告)号：US20130342610A1

公开(公告)日：2013-12-26

申请号：US13609580

申请日：2012-09-11

申请人： Tae Kyung LEE ,  Pil Joong Kang ,  Jae Chang Lee ,  Hwa Sun Lee

发明人： Tae Kyung LEE ,  Pil Joong Kang ,  Jae Chang Lee ,  Hwa Sun Lee

IPC分类号： B41J2/045 ,  H01L41/22 ,  H01L41/047

CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2002/14241 ,  B41J2002/14403 ,  B41J2002/14491 ,  H01L41/0475 ,  H01L41/0973 ,  H01L41/317 ,  Y10T29/42

摘要： There are provided a piezoelectric actuator, an inkjet head assembly, and a method of manufacturing the same. The piezoelectric actuator includes upper and lower electrodes providing a driving voltage; and a piezoelectric body provided between the upper and lower electrodes and providing driving force to ink within each of a plurality of pressure chambers provided in an inkjet head, wherein the piezoelectric body includes branch portions separately provided on an upper portion of each of the plurality of pressure chambers and a large area portion connected to one end of each of the plurality of branch portions and integrally formed, and a connective electrode pattern is provided on a portion of each of the upper electrodes corresponding to the large area portion.

摘要翻译： 提供了压电致动器，喷墨头组件及其制造方法。 压电致动器包括提供驱动电压的上电极和下电极; 以及压电体，设置在所述上​​下电极之间，并且在设置在喷墨头中的多个压力室中的每一个内提供驱动力，其中所述压电体包括分开设置在所述多个 压力室和大面积部分连接到所述多个分支部分中的每一个的一端并整体形成，并且连接电极图案设置在每个所述上部电极对应于所述大面积部分的部分上。

公开(公告)号：US20110265297A1

公开(公告)日：2011-11-03

申请号：US13064569

申请日：2011-03-31

申请人： Pil Joong Kang ,  Yoon Sok Park ,  Suk Ho Song ,  Jae Woo Joung

发明人： Pil Joong Kang ,  Yoon Sok Park ,  Suk Ho Song ,  Jae Woo Joung

IPC分类号： B41J2/025 ,  H01L41/22

CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2/1634 ,  Y10T29/42 ,  Y10T29/49401

摘要： There is provided a method of manufacturing an inkjet head. A method of manufacturing an inkjet head according to an aspect of the invention may include: forming a piezoelectric actuator on a dummy substrate; cutting the piezoelectric actuator into head cell units of an inkjet head; preparing an inkjet head substrate including an ink chamber formed at a position corresponding to the piezoelectric actuator; bonding the dummy substrate and the inkjet head substrate to each other so that the piezoelectric actuator and the ink chamber correspond to each other; and removing the dummy substrate.

摘要翻译： 提供一种制造喷墨头的方法。 根据本发明的一个方面的喷墨头的制造方法可以包括：在虚设基板上形成压电致动器; 将压电致动器切割成喷墨头的头单元单元; 制备包括形成在与所述压电致动器相对应的位置处的墨室的喷墨头基板; 将虚设基板和喷墨头基板彼此接合，使得压电致动器和墨水室彼此对应; 并去除虚设衬底。

公开(公告)号：US20080266365A1

公开(公告)日：2008-10-30

申请号：US12078796

申请日：2008-04-04

申请人： Young-Seuck Yoo ,  Jae-Woo Joung ,  Won-Chul Sim ,  Young-Jae Kim ,  Pil-Joong Kang ,  Chang-Sung Park

发明人： Young-Seuck Yoo ,  Jae-Woo Joung ,  Won-Chul Sim ,  Young-Jae Kim ,  Pil-Joong Kang ,  Chang-Sung Park

IPC分类号： B41J2/045 ,  B41J2/175

CPC分类号： B41J2/14233 ,  B41J2002/14419 ,  B41J2002/14467

摘要： An ink-jet head is disclosed. The ink-jet head may include: a chamber containing an ink; a reservoir connected with the chamber to supply the ink to the chamber; a restrictor connected with the chamber and the reservoir to control a flow of the ink; a nozzle connected with the chamber to jet the ink, and located at a position corresponding to where a pressure supplied to the chamber is the maximum; and an actuator supplying a pressure to the chamber such that the ink is jetted. The ink-jet may be operated with a lower driving voltage, and the ink may be jetted in a more stable manner.

摘要翻译： 公开了一种喷墨头。 喷墨头可以包括：包含油墨的室; 与所述室连接以将墨供应到所述室的储存器; 与所述室和所述储存器连接的限流器，以控制所述油墨的流动; 与所述腔室连接以喷射所述墨水并且位于对应于供应到所述腔室的压力最大的位置处的喷嘴; 以及向腔室供应压力使得墨水被喷射的致动器。 喷墨可以以较低的驱动电压操作，并且可以以更稳定的方式喷射墨。

公开(公告)号：US20080266360A1

公开(公告)日：2008-10-30

申请号：US12081026

申请日：2008-04-09

申请人： Young-Seuck Yoo ,  Jae-Woo Joung ,  Won-Chul Sim ,  Young-Jae Kim ,  Pil-Joong Kang ,  Chang-Sung Park

发明人： Young-Seuck Yoo ,  Jae-Woo Joung ,  Won-Chul Sim ,  Young-Jae Kim ,  Pil-Joong Kang ,  Chang-Sung Park

IPC分类号： H01L21/00 ,  B41J2/04

CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1631 ,  B41J2/1637

摘要： An ink-jet head and a method of manufacturing the ink-jet head are disclosed. The ink-jet head may include: an upper substrate, formed by processing a chamber in a silicon substrate; a middle substrate, bonded to the upper substrate and formed by processing an ink channel, which connects with the chamber, in a glass substrate; and a lower substrate, bonded to the middle substrate and formed by processing a nozzle, which connects with the ink channel, in a silicon substrate. With certain embodiments of the invention, a high level of precision may be obtained for the structures formed in the upper substrate and the lower substrate, and the middle substrate may be manufactured in low cost. Also, the substrates may be bonded together in a facilitated manner, so that production yield may be increased.

摘要翻译： 公开了喷墨头和制造喷墨头的方法。 喷墨头可以包括：通过处理硅衬底中的室形成的上衬底; 中间基板，其结合到上基板并且通过在玻璃基板中处理与所述室连接的墨通道而形成; 以及下基板，其结合到中间基板，并且通过在硅基板中处理与墨水通道连接的喷嘴而形成。 对于本发明的某些实施例，可以获得在上基板和下基板中形成的结构的高精度，并且可以以低成本制造中间基板。 此外，基板可以以便利的方式结合在一起，从而可以提高产量。

公开(公告)号：US20100116783A1

公开(公告)日：2010-05-13

申请号：US12504221

申请日：2009-07-16

申请人： Sang-Jin Kim ,  Jae-Woo Joung ,  Pil-Joong Kang

发明人： Sang-Jin Kim ,  Jae-Woo Joung ,  Pil-Joong Kang

IPC分类号： B44C1/22

CPC分类号： B41J2/161 ,  B41J2/1623 ,  B41J2/1626 ,  B41J2/1632 ,  B41J2/1646

摘要： A method of manufacturing an ink-jet head is disclosed. The method in accordance with an embodiment of the present invention includes: forming a dividing groove such that one surface of a piezoelectric element is divided corresponding to the position of the chamber; filling the dividing groove with a filler; bonding one surface of the piezoelectric element to one surface of the ink-jet head in which the chamber is formed; and polishing the other surface of the piezoelectric element such that the filler is exposed.

摘要翻译： 公开了一种制造喷墨头的方法。 根据本发明的实施例的方法包括：形成分隔槽，使得压电元件的一个表面相应于腔室的位置被分开; 用填料填充分隔槽; 将压电元件的一个表面粘合到其中形成该腔室的喷墨头的一个表面; 并抛光压电元件的另一表面，使得填料被暴露。

公开(公告)号：US20100096081A1

公开(公告)日：2010-04-22

申请号：US12437082

申请日：2009-05-07

申请人： Pil-Joong KANG ,  Jae-Woo JOUNG ,  Young-Seuck YOO

发明人： Pil-Joong KANG ,  Jae-Woo JOUNG ,  Young-Seuck YOO

IPC分类号： B32B37/06

CPC分类号： B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1634 ,  B41J2002/14403

摘要： Disclosed is a method of manufacturing an ink-jet head including a reservoir storing ink, an inlet port through which the ink is provided to the reservoir, a chamber provided with the ink from the reservoir, a restrictor linking the reservoir and the chamber, and a nozzle through which the ink in the chamber is discharged. The method in accordance with an embodiment of the present invention includes: processing a first plate in which the inlet port is formed; processing a second plate in which the chamber and the inlet port are formed; bonding the first plate on an upper surface of the second plate; processing a third plate in which the restrictor and the reservoir are formed; processing a fourth plate by irradiating a femtosecond laser such that the nozzle is formed; bonding the fourth plate on a lower surface of the third plate, and bonding the third plate on a lower surface of the second plate.

摘要翻译： 公开了一种制造喷墨头的方法，该喷墨头包括存储墨水的储存器，墨水提供给储存器的入口，从储存器设置有墨水的室，连接储存器和室的限流器，以及 一个喷嘴，通过该喷嘴排出腔室中的墨水。 根据本发明的实施例的方法包括：处理其中形成入口的第一板; 处理形成所述室和所述入口的第二板; 将所述第一板接合在所述第二板的上表面上; 处理其中形成限流器和储存器的第三板; 通过照射飞秒激光以形成喷嘴来处理第四板; 将第四板接合在第三板的下表面上，并将第三板接合在第二板的下表面上。

公开(公告)号：US20100073436A1

公开(公告)日：2010-03-25

申请号：US12435848

申请日：2009-05-05

申请人： Young-Seuck YOO ,  Jae-Woo Joung ,  Pil-Joong Kang ,  Hee-Ju Son ,  Suk-Ho Song

发明人： Young-Seuck YOO ,  Jae-Woo Joung ,  Pil-Joong Kang ,  Hee-Ju Son ,  Suk-Ho Song

IPC分类号： B41J2/175

CPC分类号： B41J2/14233

摘要： Disclosed is an inkjet head. The inkjet head in accordance with an embodiment of the present invention can include a body in which a plurality of chambers divided by partitions are formed; a plurality of actuators coupled to one side of the body respectively such that pressure is supplied to each of the plurality of the chambers; and a fixture coupled to one side of the body in correspondence to a position of each of the partitions such that vibrations of the partitions are reduced.

摘要翻译： 公开了一种喷墨头。 根据本发明的实施例的喷墨头可以包括其中形成有被分隔开的多个室的主体; 多个致动器分别联接到所述主体的一侧，使得向所述多个室中的每一个供应压力; 以及固定件，其与所述主体的每一个的位置对应地连接到所述主体的一侧，使得所述隔板的振动减小。

公开(公告)号：US20130135399A1

公开(公告)日：2013-05-30

申请号：US13407331

申请日：2012-02-28

申请人： Tae Kyung Lee ,  Pil Joong Kang ,  Hwa Sun Lee

发明人： Tae Kyung Lee ,  Pil Joong Kang ,  Hwa Sun Lee

IPC分类号： B41J2/045 ,  H01L41/22 ,  H01L41/02

CPC分类号： B41J2/14233 ,  B41J2002/14491 ,  B41J2202/18

摘要： There are provided a piezoelectric actuator, an inkjet head assembly, and a method of manufacturing the same. The piezoelectric actuator includes: upper and lower electrodes providing driving voltage; and a piezoelectric substance formed between the upper and lower electrodes through solidifying a liquid piezoelectric substance, and providing driving force to ink in each of a plurality of pressure chambers provided in an inkjet head, wherein the piezoelectric substance includes a plurality of branch portions individually provided on an upper portion of each of the plurality of pressure chambers and a large area portion integrally provided while being connected to each of the plurality of branch portions at one ends of the plurality of branch portions.

摘要翻译： 提供了压电致动器，喷墨头组件及其制造方法。 压电致动器包括：提供驱动电压的上下电极; 以及通过使液体压电体固化而形成在上下电极之间的压电体，并且在设置在喷墨头中的多个压力室中的每个压力室中的墨水中提供驱动力，其中，压电体包括多个分支部， 在所述多个压力室的每一个的上部，以及在所述多个分支部的一端连接到所述多个分支部中的每一个的同时一体地设置的大面积部分。

公开(公告)号：US20110254900A1

公开(公告)日：2011-10-20

申请号：US13064571

申请日：2011-03-31

申请人： Pil Joong Kang ,  Chang Sung Park ,  Jae Woo Joung ,  Chung Mo Yang

发明人： Pil Joong Kang ,  Chang Sung Park ,  Jae Woo Joung ,  Chung Mo Yang

IPC分类号： B41J2/045 ,  H01L21/302

CPC分类号： B41J2/161 ,  B41J2/14233 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2/1635 ,  B41J2/1643 ,  B41J2002/14403 ,  B41J2002/14491 ,  B41J2202/08 ,  B41J2202/18

摘要： There is provided an inkjet head assembly that includes: an inkjet head plate including an ink path; a piezoelectric actuator facing a pressure chamber in the inkjet head plate and providing driving force for ejecting ink to a nozzle from the pressure chamber; a package part stacked on the inkjet head plate and including a path moving ink introduced from the outside to an inlet of the inkjet head plate; and an electrical connector filling a via penetrating the package part and electrically connected with the piezoelectric actuator.

摘要翻译： 提供了一种喷墨头组件，其包括：喷墨头板，其包括油墨路径; 面向喷墨头板中的压力室的压电致动器，并提供用于从压力室将墨喷射到喷嘴的驱动力; 所述包装部分堆叠在所述喷墨头板上并且包括从外部引入到所述喷墨头板的入口的路径移动墨; 以及电连接器，其填充穿过封装部分并与压电致动器电连接的通孔。