公开(公告)号：US20070186397A1

公开(公告)日：2007-08-16

申请号：US11583798

申请日：2006-10-20

申请人： Seung-mo Lim ,  Kyo-yeol Lee ,  Jae-woo Chung ,  Hwa-sun Lee ,  Jae-chang Lee

发明人： Seung-mo Lim ,  Kyo-yeol Lee ,  Jae-woo Chung ,  Hwa-sun Lee ,  Jae-chang Lee

IPC分类号： H04R17/00

CPC分类号： B41J2/161 ,  B41J2/1631 ,  B41J2/1645 ,  B41J2/1646 ,  B41J2002/1425 ,  Y10T29/42 ,  Y10T29/435 ,  Y10T29/49401

摘要： A method of forming a piezoelectric actuator of an inkjet head formed on a vibrating plate to provide a driving power for ejecting ink to each of pressure chambers is provided. The method includes forming a lower electrode on a vibrating plate, forming a piezoelectric layer on the lower electrode to be located above each of pressure chambers, forming a protecting layer covering the lower electrode and the piezoelectric layer, exposing an upper surface of the piezoelectric layer by decreasing a thickness of the protecting layer and the piezoelectric layer, forming an upper electrode on the upper surface of the piezoelectric layer, removing the protecting layer. According to the present invention, since the piezoelectric layer having a flat upper surface is formed in uniform figure, area and thickness of the upper electrode formed thereon is uniformly controlled.

摘要翻译： 提供一种形成在振动板上的喷墨头的压电致动器的方法，以提供用于将油墨喷射到每个压力室的驱动力。 该方法包括在振动板上形成下电极，在下电极上形成压电层，位于每个压力室之上，形成覆盖下电极和压电层的保护层，暴露压电层的上表面 通过减小保护层和压电层的厚度，在压电层的上表面上形成上电极，除去保护层。 根据本发明，由于具有平坦的上表面的压电层形成均匀的图形，所以形成在其上的上电极的面积和厚度被均匀地控制。

公开(公告)号：US20070171260A1

公开(公告)日：2007-07-26

申请号：US11468954

申请日：2006-08-31

申请人： Jae-chang Lee ,  Jae-woo Chung ,  Kyo-yool Lee ,  Chang-seung Lee ,  Sung-gyu Kang

发明人： Jae-chang Lee ,  Jae-woo Chung ,  Kyo-yool Lee ,  Chang-seung Lee ,  Sung-gyu Kang

IPC分类号： B41J2/045

CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  Y10T29/42 ,  Y10T29/49401

摘要： A piezoelectric inkjet printhead including an upper substrate formed of a single crystal silicon substrate or an SOI substrate and having an ink inlet therethrough, and a lower substrate formed of an SOI substrate having a sequentially stacked structure with a first silicon layer, an intervening oxide layer, and a second silicon layer in which a manifold, pressure chambers, and dampers are formed in the second silicon layer by wet or dry etching, and nozzles are formed through the intervening oxide layer and the first silicon layer by dry etching, and a method of manufacturing the same.

摘要翻译： 一种压电喷墨打印头，包括由单晶硅衬底或SOI衬底形成的上衬底，并且具有墨入口，以及由具有第一硅层的顺序层叠结构的SOI衬底形成的下衬底，中间氧化物层 以及通过湿法或干蚀刻在第二硅层中形成歧管，压力室和阻尼器的第二硅层，并且通过干法蚀刻形成穿过中间氧化物层和第一硅层的喷嘴，以及方法 的制造相同。

公开(公告)号：US07021043B2

公开(公告)日：2006-04-04

申请号：US10758928

申请日：2004-01-16

申请人： Jae-Chang Lee

发明人： Jae-Chang Lee

IPC分类号： F02K3/02

CPC分类号： F02K7/16 ,  F01D5/142 ,  F02K3/062 ,  F02K9/74

摘要： A jet engine using exhaust gas to get the propulsive force by rotating a fan within the exhaust gas burned in and emitted from the engine includes a body, a burner installed to the body to inject and burn the fuel in compressed air, a high-pressure turbine for giving rotational force by high-pressure exhaust gas from the burner, a low-pressure turbine for giving rotational force by low-pressure exhaust from the high-pressure turbine, a rotary shaft combined to a rotational center of the high-pressure and low-pressure turbines, and a propulsive force providing unit which is rotating together with the rotary shaft to change component of lateral velocity of the exhaust gas emitted through the turbines from the burner to be directed rearward.

摘要翻译： 使用废气通过使从发动机燃烧并从发动机排出的废气中旋转风扇来获得推进力的喷气发动机包括主体，安装在主体上以在压缩空气中喷射和燃烧燃料的燃烧器，高压 用于通过来自燃烧器的高压废气产生旋转力的涡轮机，用于通过来自高压涡轮机的低压排气产生旋转力的低压涡轮机，组合到高压涡轮的旋转中心的旋转轴和 低压涡轮机以及与旋转轴一起旋转的推进力提供单元，以将通过涡轮机排出的废气的侧向速度的分量从燃烧器改变为向后。

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：US08037605B2

公开(公告)日：2011-10-18

申请号：US12852613

申请日：2010-08-09

申请人： Jong-beom Kim ,  Jae-chang Lee

发明人： Jong-beom Kim ,  Jae-chang Lee

IPC分类号： B23P17/00 ,  B41J2/17

CPC分类号： B41J2/1628 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1631 ,  B41J2/1642 ,  B41J2/1646 ,  Y10T29/49401

摘要： Provided are a piezoelectric inkjet printhead and a method of manufacturing the same. The piezoelectric inkjet printhead includes first and second single-crystalline silicon substrates. An ink flow path is disposed in a first surface of the first substrate. The ink flow path includes an ink introduction port, a manifold for supplying ink, a plurality of pressure chambers filled with ink to be ejected, a plurality of restrictors for connecting the manifold with the plurality of pressure chambers, respectively, and a plurality of nozzles for ejecting ink. The second substrate is bonded to the first substrate to thereby complete the ink flow path. A plurality of piezoelectric actuators are disposed on a second surface of the first substrate to correspond to each of the pressure chambers and provide drivability required for ejecting ink to the respective pressure chambers. In this construction, aligning the first and second substrates is unnecessary, so that the manufacturing process can be simplified, the manufacturing cost can be reduced, and ink ejecting performance can be improved.

摘要翻译： 提供一种压电喷墨打印头及其制造方法。 压电喷墨打印头包括第一和第二单晶硅衬底。 墨流路设置在第一基板的第一表面中。 墨水流路包括墨水引入口，用于供应墨水的歧管，填充有待喷射墨水的多个压力室，分别用于将歧管与多个压力室连接的多个限制器，以及多个喷嘴 用于喷墨。 第二基板结合到第一基板，从而完成油墨流动路径。 多个压电致动器设置在第一基板的第二表面上以对应于每个压力室，并提供将油墨喷射到各个压力室所需的驱动能力。 在这种结构中，不需要对准第一和第二基板，从而可以简化制造工艺，可以降低制造成本，并且可以提高喷墨性能。

公开(公告)号：US20110148995A1

公开(公告)日：2011-06-23

申请号：US12923097

申请日：2010-09-01

申请人： Hwa Sun Lee ,  Seung Joo Shin ,  Seung Mo Lim ,  Jae Chang Lee ,  Tae Kyung Lee

发明人： Hwa Sun Lee ,  Seung Joo Shin ,  Seung Mo Lim ,  Jae Chang Lee ,  Tae Kyung Lee

IPC分类号： B41J2/045

CPC分类号： B41J2/14233 ,  B41J2002/14403 ,  B41J2002/14491

摘要： There is provided an inkjet print head including: a head plate having nozzles arranged in a length direction, in which each of the nozzles ejects ink therethrough from a side surface of the head plate; an ink inlet provided in the lower portion of the head plate and drawing ink therethrough; a pressure chamber storing the ink drawn in through the ink inlet and communicating with the nozzle; and a piezoelectric element supplying the pressure chamber with driving force in a direction perpendicular to a direction of the ink ejected through the nozzle communicating with the pressure chamber and disposed on the pressure chamber having a membrane interposed therebetween.

摘要翻译： 提供了一种喷墨打印头，包括：头板，其具有沿长度方向布置的喷嘴，其中每个喷嘴从头板的侧表面喷射墨水; 墨水入口，设置在头板的下部，并通过其吸墨; 存储通过所述墨入口吸入并与所述喷嘴连通的墨的压力室; 以及压电元件，其向与压力室连通的喷嘴喷射的墨水的方向垂直的方向供给压力室，并设置在具有隔膜的压力室上。

公开(公告)号：US07909438B2

公开(公告)日：2011-03-22

申请号：US11775424

申请日：2007-07-10

申请人： Tae-kyung Lee ,  Sang-kwon Wee ,  Jae-woo Chung ,  Tae-woon Cha ,  Jae-chang Lee

发明人： Tae-kyung Lee ,  Sang-kwon Wee ,  Jae-woo Chung ,  Tae-woon Cha ,  Jae-chang Lee

IPC分类号： B41J2/045

CPC分类号： B41J2/14233 ,  B41J2/1433 ,  B41J2002/14475

摘要： A piezoelectric type inkjet printhead includes an upper substrate including a pressure chamber to be filled with ink that is to be ejected, a reservoir to store ink that flowed in from an ink container, a restrictor connect the reservoir to one end of the pressure chamber, an intermediate substrate comprising a damper formed on a portion of the intermediate substrate, which corresponds to other end of the pressure chamber, a lower substrate comprising a nozzle to eject ink and formed in a portion of the lower substrate, which corresponds to the damper, a hydrophobic layer formed on a bottom of the lower substrate, and a piezoelectric actuator formed on the upper substrate to supply driving power to eject ink to the pressure chamber, wherein the nozzle is formed in the lower substrate at a predetermined depth from a bottom surface of the lower substrate.

摘要翻译： 压电型喷墨打印头包括：上部基板，其包括要填充要喷射的墨的压力室;存储器，用于存储从墨水容器流入的墨水;限制器将储存器连接到压力室的一端; 中间基板，包括形成在所述中间基板的与所述压力室的另一端相对应的部分上的阻尼器，下部基板，包括用于喷射墨水并形成在所述下部基板的对应于所述阻尼器的部分中的喷嘴， 形成在所述下基板的底部上的疏水层，以及形成在所述上基板上以提供驱动力以将油墨喷射到所述压力室的压电致动器，其中所述喷嘴形成在所述下基板中， 的下基板。

公开(公告)号：US07789493B2

公开(公告)日：2010-09-07

申请号：US11540541

申请日：2006-10-02

申请人： Jae-woo Chung ,  Jae-chang Lee ,  Seung-mo Lim

发明人： Jae-woo Chung ,  Jae-chang Lee ,  Seung-mo Lim

IPC分类号： B41J2/045

CPC分类号： B41J2/161 ,  B41J2/1618 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2002/14306 ,  B41J2002/14475

摘要： A piezoelectric ink-jet printhead and a method for manufacturing the same, wherein the piezoelectric ink-jet printhead is formed by stacking three monocrystalline silicon substrates on one another and adhering them to one another. The three substrates include an upper substrate, through which an ink supply hole is formed and a pressure chamber is formed on a bottom surface thereof; an intermediate substrate, in which an ink reservoir and a damper are formed; and a lower substrate, in which a nozzle is formed. A piezoelectric actuator is monolithically formed on the upper substrate. A restrictor, which connects the ink reservoir to the pressure chamber in flow communication, may be formed on the upper substrate or intermediate substrate.

摘要翻译： 一种压电喷墨打印头及其制造方法，其中压电喷墨打印头通过将三个单晶硅基板彼此堆叠并将它们彼此粘合而形成。 三个基板包括上基板，在其上形成有供墨孔，在其底面上形成有压力室; 中间基板，其中形成有墨水储存器和阻尼器; 以及形成有喷嘴的下基板。 压电致动器整体地形成在上基板上。 可以在上基板或中间基板上形成将油墨储存器与流动连通的压力室连接的限流器。

公开(公告)号：US20100146756A1

公开(公告)日：2010-06-17

申请号：US12712442

申请日：2010-02-25

申请人： Tae-kyung LEE ,  Jae-woo Chung ,  Kyo-yeol Lee ,  Hwa-sun Lee ,  Seung-mo Lim ,  Jae-chang Lee

发明人： Tae-kyung LEE ,  Jae-woo Chung ,  Kyo-yeol Lee ,  Hwa-sun Lee ,  Seung-mo Lim ,  Jae-chang Lee

IPC分类号： H01L41/22

CPC分类号： B41J2/14233 ,  B41J2002/14491 ,  Y10T29/42 ,  Y10T29/49002 ,  Y10T29/49005 ,  Y10T29/4908

摘要： A piezoelectric actuator of an inkjet head and a method of forming the piezoelectric actuator. The piezoelectric actuator is formed on a vibration plate to provide a driving force to each of a plurality of pressure chambers. The piezoelectric actuator includes a lower electrode formed on the vibration plate, a piezoelectric layer formed on the lower electrode at a position corresponding to each of the pressure chambers, a supporting pad formed on the lower electrode, the supporting pad contacting one end of the piezoelectric layer and extending away from the one end of the piezoelectric layer, and an upper electrode extending from a top surface of the piezoelectric layer to a top surface of the supporting pad. The upper electrode is bonded to a driving circuit above the supporting pad to receive a voltage from the driving circuit. The piezoelectric layer may have substantially the same length as the pressure chamber. The supporting pad may be formed of a photosensitive polymer and may have substantially the same height as the piezoelectric layer. The upper electrode may include a first portion formed on the piezoelectric layer and a second portion formed on the supporting pad, and the second portion may be wider than the first portion.

摘要翻译： 喷墨头的压电致动器和形成压电致动器的方法。 压电致动器形成在振动板上以向多个压力室中的每一个提供驱动力。 压电致动器包括形成在振动板上的下电极，形成在下电极上的与每个压力室对应的位置处的压电层，形成在下电极上的支撑焊盘，支撑焊盘接触压电体的一端 并且离开压电层的一端延伸，以及从压电层的顶表面延伸到支撑衬垫的顶表面的上电极。 上电极接合到支撑焊盘上方的驱动电路，以接收来自驱动电路的电压。 压电层可以具有与压力室大致相同的长度。 支撑垫可以由光敏聚合物形成，并且可以具有与压电层基本相同的高度。 上部电极可以包括形成在压电层上的第一部分和形成在支撑垫上的第二部分，并且第二部分可以比第一部分更宽。

公开(公告)号：US20080129799A1

公开(公告)日：2008-06-05

申请号：US11775424

申请日：2007-07-10

申请人： Tae-kyung Lee ,  Sang-kwon Wee ,  Jae-woo Chung ,  Tae-woon Cha ,  Jae-chang Lee

发明人： Tae-kyung Lee ,  Sang-kwon Wee ,  Jae-woo Chung ,  Tae-woon Cha ,  Jae-chang Lee

IPC分类号： B41J2/045

CPC分类号： B41J2/14233 ,  B41J2/1433 ,  B41J2002/14475

摘要： A piezoelectric type inkjet printhead includes an upper substrate including a pressure chamber to be filled with ink that is to be ejected, a reservoir to store ink that flowed in from an ink container, a restrictor connect the reservoir to one end of the pressure chamber, an intermediate substrate comprising a damper formed on a portion of the intermediate substrate, which corresponds to other end of the pressure chamber, a lower substrate comprising a nozzle to eject ink and formed in a portion of the lower substrate, which corresponds to the damper, a hydrophobic layer formed on a bottom of the lower substrate, and a piezoelectric actuator formed on the upper substrate to supply driving power to eject ink to the pressure chamber, wherein the nozzle is formed in the lower substrate at a predetermined depth from a bottom surface of the lower substrate.

摘要翻译： 压电型喷墨打印头包括：上部基板，其包括要填充要喷射的墨的压力室;存储器，用于存储从墨水容器流入的墨水;限制器将储存器连接到压力室的一端; 中间基板，包括形成在所述中间基板的与所述压力室的另一端相对应的部分上的阻尼器，下部基板，包括用于喷射墨水并形成在所述下部基板的对应于所述阻尼器的部分中的喷嘴， 形成在所述下基板的底部上的疏水层，以及形成在所述上基板上以提供驱动力以将油墨喷射到所述压力室的压电致动器，其中所述喷嘴形成在所述下基板中， 的下基板。