公开(公告)号：US08042919B2

公开(公告)日：2011-10-25

申请号：US12722664

申请日：2010-03-12

申请人： Seung-mo Lim ,  Tae-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung ,  Hwa-sun Lee

发明人： Seung-mo Lim ,  Tae-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung ,  Hwa-sun Lee

IPC分类号： B41J2/045

CPC分类号： B41J2/14233 ,  B41J2/055

摘要： A piezoelectric inkjet printhead includes a manifold, a chamber array including a plurality of chambers in connection with the manifold and arranged along at least one side of the manifold, a vibrating plate to cover the plurality of chambers, and a plurality of piezoelectric actuators formed on the vibrating plate to change pressures of corresponding ones of the plurality of chambers by vibrating the vibrating plate. The plurality of chambers includes a plurality of pressure chambers disposed in a center portion of the chamber array and having corresponding ink ejecting nozzles, and at least two dummy chambers, one disposed on each side of the chamber array and having corresponding dummy nozzles that do not eject ink. A plurality of trenches may be formed in the vibrating plate between each of the piezoelectric actuators.

摘要翻译： 压电喷墨打印头包括歧管，腔室阵列，其包括与歧管连接的多个腔室，并且沿着歧管的至少一侧布置，覆盖多个腔室的振动板，以及形成在 所述振动板通过振动所述振动板来改变所述多个室中相应的室的压力。 多个室包括设置在室阵列的中心部分并具有对应的喷墨喷嘴的多个压力室，以及至少两个虚设室，一个设置在室阵列的每一侧上，并且具有不对应的虚拟喷嘴 弹出墨水。 可以在每个压电致动器之间的振动板中形成多个沟槽。

公开(公告)号：US08002391B2

公开(公告)日：2011-08-23

申请号：US12755474

申请日：2010-04-07

申请人： Hwa-sun Lee ,  Kyo-yeol Lee ,  Tae-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung

发明人： Hwa-sun Lee ,  Kyo-yeol Lee ,  Tae-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung

IPC分类号： B41J2/045

CPC分类号： B41J2/14233

摘要： An inkjet printhead and a method of driving the inkjet printhead include a flow channel substrate having a pressure chamber, and a piezoelectric actuator formed on the flow channel substrate to apply a driving force to the pressure chamber to eject ink. The piezoelectric actuator includes a piezoelectric layer formed on the flow channel substrate to correspond to the pressure chamber, and a plurality of common electrodes and a plurality of driving electrodes alternately arranged in a length direction of the piezoelectric layer.

摘要翻译： 喷墨打印头和驱动喷墨打印头的方法包括：具有压力室的流路基板和形成在流路基板上的压电致动器，用于向压力室施加驱动力以喷射油墨。 压电致动器包括形成在流路基板上以对应于压力室的压电层，以及沿压电层的长度方向交替布置的多个公共电极和多个驱动电极。

公开(公告)号：US07677707B2

公开(公告)日：2010-03-16

申请号：US11581334

申请日：2006-10-17

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

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

IPC分类号： B41J2/045

CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1626 ,  B41J2/1631 ,  B41J2/1646 ,  B41J2002/14491 ,  H05K3/107 ,  H05K3/1216 ,  Y10T29/42

摘要： A method to form a thick layer by screen printing and a method to form a piezoelectric actuator of an inkjet head. The method to form the thick layer including forming a guide groove in a surface to a predetermined depth, and forming the thick layer by applying a material to the surface inside the guide groove through screen printing. The method to form the piezoelectric actuator including forming an insulating layer on a top surface of a vibration plate and forming a guide groove in the top surface of the vibration plate or an insulating layer to a predetermined depth at a position corresponding to each of a plurality of pressure chambers, forming a lower electrode on the top surface of the insulating layer; forming a piezoelectric layer inside the guide groove by screen printing, and forming an upper electrode on a top surface of the piezoelectric layer.

摘要翻译： 通过丝网印刷形成厚层的方法以及形成喷墨头的压电致动器的方法。 形成厚层的方法包括在表面上形成预定深度的引导槽，并且通过丝网印刷将引导槽内的表面施加材料形成厚层。 形成压电致动器的方法包括在振动板的顶表面上形成绝缘层，并且在与振动板的顶表面对应的位置处在振动板的顶表面或绝缘层中形成预定深度的引导槽 的压力室，在绝缘层的顶表面上形成下电极; 通过丝网印刷在引导槽内形成压电层，并在压电层的顶表面上形成上电极。

公开(公告)号：US20080158297A1

公开(公告)日：2008-07-03

申请号：US11755975

申请日：2007-05-31

申请人： Tae-woon CHA ,  Jae-woo Chung

发明人： Tae-woon CHA ,  Jae-woo Chung

IPC分类号： B41J2/14

CPC分类号： B41J2/14233 ,  B41J2/1433 ,  B41J2/1606 ,  B41J2/162 ,  B41J2/1642

摘要： A nozzle plate usable with an inkjet printhead includes a substrate through which a plurality of nozzles are formed, an ink-philic material layer formed on an outer surface of the substrate and inner walls of the nozzles, and a plurality of nonwetting coating layers sequentially formed on the ink-philic material layer formed on the outer surface of the substrate, each nonwetting coating layer including an adhesive layer and an ink-phobic material layer deposited on the adhesive layer.

摘要翻译： 可与喷墨打印头一起使用的喷嘴板包括形成有多个喷嘴的基板，形成在基板的外表面和喷嘴的内壁上的油墨层，以及顺序地形成多个非润湿涂层 在形成在基板的外表面上的亲油性材料层上，每个非润湿涂层包括粘合剂层和沉积在粘合剂层上的墨 - 恐怕材料层。

公开(公告)号：US20060148129A1

公开(公告)日：2006-07-06

申请号：US11325464

申请日：2006-01-05

申请人： Seung-mo Lim ,  Hwa-sun Lee ,  Jae-chang Lee ,  Jae-woo Chung ,  Woon-bae Kim

发明人： Seung-mo Lim ,  Hwa-sun Lee ,  Jae-chang Lee ,  Jae-woo Chung ,  Woon-bae Kim

IPC分类号： H01L21/50 ,  H01L21/30

CPC分类号： H01L21/187 ,  H01L21/78 ,  H01L24/26 ,  H01L24/83 ,  H01L2224/8385 ,  H01L2224/83894 ,  H01L2924/01006 ,  H01L2924/01033 ,  H01L2924/01059 ,  H01L2924/07802 ,  H01L2924/10253

摘要： A silicon direct bonding method including preparing two silicon substrates having corresponding bonding surfaces, forming a trench in at least one bonding surface of the two silicon substrates, and thermally bonding the two silicon substrates to one another. The trench may be along a dicing line. The trench may communicate with an outer edge of the bonded substrates.

摘要翻译： 一种硅直接接合方法，包括制备具有相应接合表面的两个硅衬底，在两个硅衬底的至少一个接合表面中形成沟槽，并将两个硅衬底彼此热粘合。 沟槽可以沿着切割线。 沟槽可以与结合的衬底的外边缘连通。

公开(公告)号：US20050190220A1

公开(公告)日：2005-09-01

申请号：US11052285

申请日：2005-02-08

申请人： Seong-taek Lim ,  Jae-woo Chung ,  Jong-beom Kim ,  Kwang-ho Lee

发明人： Seong-taek Lim ,  Jae-woo Chung ,  Jong-beom Kim ,  Kwang-ho Lee

IPC分类号： B41J2/045 ,  B41J2/055 ,  B41J2/205 ,  B41J29/38

CPC分类号： B41J2/04581 ,  B41J2/04588 ,  B41J2/0459 ,  B41J2/04591 ,  B41J2/04593

摘要： A method of driving an ink-jet printhead, the ink-jet printhead having a pressure chamber to be filled with ink, a piezoelectric actuator for varying a volume of the pressure chamber, and a nozzle, through which an ink droplet is ejected, connected to the pressure chamber, the method including applying a driving pulse to the piezoelectric actuator to change the volume of the pressure chamber, thereby ejecting the ink droplet through the nozzle due to a change in pressure in the pressure chamber caused by the change in volume of the pressure chamber, and changing a volume of the ink droplet ejected through the nozzle by maintaining a rising time of the driving pulse constant and adjusting a duration time of a maximum voltage of the driving pulse.

摘要翻译： 一种驱动喷墨打印头的方法，喷墨打印头具有要填充油墨的压力室，用于改变压力室体积的压电致动器和喷射墨滴的喷嘴连接 所述方法包括向所述压电致动器施加驱动脉冲以改变所述压力室的体积，从而由于所述压力室中的压力变化引起的墨滴通过所述喷嘴而引起， 通过保持驱动脉冲的上升时间恒定并调整驱动脉冲的最大电压的持续时间来改变通过喷嘴喷射的墨滴的体积。

公开(公告)号：US20050012775A1

公开(公告)日：2005-01-20

申请号：US10833039

申请日：2004-04-28

申请人： Sang-chae Kim ,  Jae-woo Chung ,  Seung-mo Lim

发明人： Sang-chae Kim ,  Jae-woo Chung ,  Seung-mo Lim

IPC分类号： B41J2/165 ,  B41J2/045 ,  B41J2/055 ,  B41J2/14 ,  B41J2/145 ,  B41J2/16 ,  B41J2/235 ,  B41J2/01

CPC分类号： B41J2/145 ,  B41J2/14233 ,  B41J2002/14362 ,  B41J2002/14491

摘要： An ink-jet printhead package includes a frame having a first surface and a second surface with a hollow and an ink supply hole, the hollow and the ink supply hole extending through the frame, the ink supply hole providing flow communication between the first surface and the second surface, a groove formed on the second surface of the frame, the groove surrounding the hollow and the ink supply hole, an adhesive coating an interior of the groove, and a printhead chip having a first surface and a second surface, the first surface of the printhead chip having a plurality of nozzles formed thereon and the second surface of the printhead chip being adhered to the frame by the adhesive, the printhead chip being operable to eject ink supplied through the ink supply hole through the plurality of nozzles.

摘要翻译： 喷墨打印头封装包括具有第一表面的框架和具有中空和供墨孔的第二表面，中空和供墨孔延伸穿过框架，供墨孔提供第一表面和第二表面之间的流动连通 第二表面，形成在框架的第二表面上的凹槽，围绕中空部分和供墨孔的凹槽，凹槽内部的粘合剂涂层以及具有第一表面和第二表面的打印头芯片， 打印头芯片的表面具有形成在其上的多个喷嘴，并且打印头芯片的第二表面通过粘合剂粘附到框架，打印头芯片可操作以通过多个喷嘴喷射通过供墨孔供应的油墨。

公开(公告)号：US20080018715A1

公开(公告)日：2008-01-24

申请号：US11758270

申请日：2007-06-05

申请人： Sang-kwon WEE ,  Se-young Oh ,  Jae-woo Chung

发明人： Sang-kwon WEE ,  Se-young Oh ,  Jae-woo Chung

IPC分类号： B41J2/045

CPC分类号： B41J2/055 ,  B41J2/14233 ,  B41J2002/14338

摘要： A piezoelectric inkjet head having piezoelectric actuators for restrictors includes a flow channel plate including an ink inlet through which ink enters, a plurality of pressure chambers into which ink to be ejected is filled, a manifold which is a path to receive ink from the ink inlet and to supply the received ink to the pressure chambers, a plurality of restrictors that connect the manifold to the pressure chambers, and a plurality of nozzles to eject ink from the pressure chambers to an outside thereof. The piezoelectric inkjet head also includes a plurality of first piezoelectric actuators formed on the flow channel plate corresponding to positions of the pressure chambers to provide a driving force to each of the pressure chambers to eject ink to the outside. The piezoelectric inkjet head also includes a plurality of second piezoelectric actuators formed on the flow channel plate corresponding to positions of the restrictors to change cross-sectional areas of the restrictors.

摘要翻译： 具有用于限制器的压电致动器的压电式喷墨头包括：流路板，其包括墨入口的墨入口，填充有待喷射墨的多个压力室，作为从墨入口接收墨的路径的歧管 并且将接收到的墨水供应到压力室，将歧管连接到压力室的多个限制器，以及用于将墨从压力室喷射到其外部的多个喷嘴。 压电喷墨头还包括形成在流道板上的多个第一压电致动器，其对应于压力室的位置，以向每个压力室提供驱动力以将油墨喷射到外部。 压电喷墨头还包括形成在流道板上的多个第二压电致动器，其对应于限制器的位置以改变限制器的横截面积。

公开(公告)号：US20070195134A1

公开(公告)日：2007-08-23

申请号：US11581333

申请日：2006-10-17

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： B41J2/045

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：US20070195132A1

公开(公告)日：2007-08-23

申请号：US11581334

申请日：2006-10-17

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

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

IPC分类号： B41J2/045

CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1626 ,  B41J2/1631 ,  B41J2/1646 ,  B41J2002/14491 ,  H05K3/107 ,  H05K3/1216 ,  Y10T29/42

摘要： A method to form a thick layer by screen printing and a method to form a piezoelectric actuator of an inkjet head. The method to form the thick layer including forming a guide groove in a surface to a predetermined depth, and forming the thick layer by applying a material to the surface inside the guide groove through screen printing. The method to form the piezoelectric actuator including forming an insulating layer on a top surface of a vibration plate and forming a guide groove in the top surface of the vibration plate or an insulating layer to a predetermined depth at a position corresponding to each of a plurality of pressure chambers, forming a lower electrode on the top surface of the insulating layer; forming a piezoelectric layer inside the guide groove by screen printing, and forming an upper electrode on a top surface of the piezoelectric layer.

摘要翻译： 通过丝网印刷形成厚层的方法以及形成喷墨头的压电致动器的方法。 形成厚层的方法包括在表面上形成预定深度的引导槽，并且通过丝网印刷将引导槽内的表面施加材料形成厚层。 形成压电致动器的方法包括在振动板的顶表面上形成绝缘层，并且在与振动板的顶表面对应的位置处在振动板的顶表面或绝缘层中形成预定深度的引导槽 的压力室，在绝缘层的顶表面上形成下电极; 通过丝网印刷在引导槽内形成压电层，并在压电层的顶表面上形成上电极。