公开(公告)号：US20070195132A1

公开(公告)日：2007-08-23

申请号：US11581334

申请日：2006-10-17

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

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

IPC: B41J2/045

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

Abstract: 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.

Abstract translation: 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：US20070171500A1

公开(公告)日：2007-07-26

申请号：US11472321

申请日：2006-06-22

Applicant: Hee-moon Jeong ,  Jun-o Kim ,  Hwa-sun Lee

Inventor： Hee-moon Jeong ,  Jun-o Kim ,  Hwa-sun Lee

IPC: G02B26/08

CPC classification number: G02B26/0858

Abstract: A micro device and a micro mirror employing a piezo actuator are provided. The micro mirror includes a substrate; a plate which is rotatably suspended about a rotation axis over the substrate; at least two cantilevers, each comprising a fixed end fixed to the substrate, and a free end perpendicularly crossing the rotation axis of the plate and connecting to a side of the plate, each cantilever having a piezo actuator installed on an upper surface of the cantilever; a plurality of connectors each one of which connects the free end of a corresponding one of the cantilevers to a side of the plate; and a pair of torsion springs which are connected to the plate and act as a rotational axis for the plate.

Abstract translation: 提供了一种使用压电致动器的微器件和微镜。 微反射镜包括基板; 围绕基板上的旋转轴线可旋转地悬挂的板; 至少两个悬臂，每个悬臂均固定在基板上，固定端固定在垂直于板的旋转轴线并与板的一侧连接的自由端，每个悬臂具有安装在悬臂上表面上的压电致动器 ; 多个连接器，每个连接器将相应的悬臂的自由端连接到板的一侧; 以及一对扭转弹簧，其连接到板并用作板的旋转轴线。

公开(公告)号：US20070158552A1

公开(公告)日：2007-07-12

申请号：US11414266

申请日：2006-05-01

Applicant: Jun-o Kim ,  Hwa-sun Lee

Inventor： Jun-o Kim ,  Hwa-sun Lee

IPC: G01N23/00

CPC classification number: G02B26/101 ,  G02B26/0841 ,  G02B26/0858

Abstract: A two-axis micro scanner is provided in which horizontal driving required for high frequency motion uses a vertical comb-type electrode structure and vertical driving required for low frequency motion uses a piezo-actuator. The micro scanner includes: a frame; a horizontal driving unit including a micro mirror, a plurality of vertical moving comb-electrodes formed parallel to each other along opposite sides of the micro mirror, a plurality of vertical static comb-electrodes formed to alternate with the moving comb-electrodes; and a vertical driving unit including a plurality of cantilevers extending from the frame and respectively connecting opposite ends of the horizontal driving unit to support the horizontal driving unit. A piezo-actuator is installed on an upper surface of each of the cantilevers, wherein the cantilevers are upwardly/downwardly bent according to contraction/expansion of the piezo-actuators.

Abstract translation: 提供了一种双轴微型扫描器，其中高频运动所需的水平驱动使用垂直梳状电极结构，并且用于低频运动所需的垂直驱动使用压电致动器。 微型扫描仪包括：一个框架; 水平驱动单元，包括微反射镜，多个垂直移动梳状电极，其形成为与所述微反射镜的相对侧彼此平行;多个垂直静电梳状电极，与所述移动梳状电极交替形成; 以及垂直驱动单元，其包括从框架延伸并分别连接水平驱动单元的相对端部以支撑水平驱动单元的多个悬臂。 压电致动器安装在每个悬臂的上表面上，其中悬臂根据压电致动器的收缩/膨胀而向上/向下弯曲。

公开(公告)号：US08919924B2

公开(公告)日：2014-12-30

申请号：US12929612

申请日：2011-02-03

Applicant: Tae Kyung Lee ,  Jae Chang Lee ,  Hwa Sun Lee

Inventor： Tae Kyung Lee ,  Jae Chang Lee ,  Hwa Sun Lee

IPC: B41J2/135 ,  B41J2/14 ,  B41J2/16

CPC classification number: B41J2/14 ,  B41J2/16 ,  B41J2/1632 ,  Y10T29/49401

Abstract: Disclosed are an inkjet print head and a method of manufacturing the same. An inkjet print head according to an aspect of the invention may include: an inkjet board having an ink passage therein; a cutting portion provided outside the ink passage of the inkjet board and having a cutting surface created by separation into head chip units of the inkjet board; and an auxiliary cutting portion provided from one surface of the cutting portion inwardly in a thickness direction of the inkjet board, and assisting the separation into head chip units of the inkjet board.

Abstract translation: 公开了一种喷墨打印头及其制造方法。 根据本发明的一个方面的喷墨打印头可以包括：其中具有墨通道的喷墨板; 设置在喷墨基板的墨水通道外侧的切割部分，具有通过分离成喷墨印版的头芯片单元而形成的切割面; 以及辅助切割部分，其从所述切割部分的一个表面沿着所述喷墨板的厚度方向向内设置，并辅助分离成所述喷墨印版的头芯片单元。

公开(公告)号：US08806727B2

公开(公告)日：2014-08-19

申请号：US12712442

申请日：2010-02-25

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

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

IPC: H04R17/00

CPC classification number: B41J2/14233 ,  B41J2002/14491 ,  Y10T29/42 ,  Y10T29/49002 ,  Y10T29/49005 ,  Y10T29/4908

Abstract: A method of forming a piezoelectric actuator on a vibration plate to provide a driving force to each of a plurality of pressure chambers includes forming a lower electrode on the vibration plate, forming a piezoelectric layer on the lower electrode at a position corresponding to each of the pressure chambers, forming a supporting pad 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, forming an upper electrode extending from a top surface of the piezoelectric layer to a top surface of the supporting pad, and bonding the upper electrode to a driving circuit above the supporting pad to receive a voltage from the driving circuit.

Abstract translation: 在振动板上形成压电致动器以向多个压力室中的每一个提供驱动力的方法包括在振动板上形成下电极，在下电极上形成压电层，位于对应于 在所述下电极上形成支撑垫，所述支撑垫接触所述压电层的一端并且远离所述压电层的一端延伸，形成从所述压电层的顶表面延伸到顶部的上电极 并且将上电极连接到支撑焊盘上方的驱动电路，以接收来自驱动电路的电压。

公开(公告)号：US20140002521A1

公开(公告)日：2014-01-02

申请号：US13611186

申请日：2012-09-12

Applicant: Byung Hun KIM ,  Hwa Sun Lee

Inventor： Byung Hun KIM ,  Hwa Sun Lee

IPC: B41J29/38

CPC classification number: B41J2/04581 ,  B41J2/04561 ,  B41J2/0459 ,  B41J2/04593

Abstract: There is provided an apparatus for and method of driving a multi-nozzle piezo-inkjet head based on a digital grayscale, the apparatus including: a control unit providing a pulse data signal having at least one pulse waveform according to graphic image data, controlling a voltage variation according to a frequency response characteristic of the multi-nozzle piezo inkjet head, and controlling a voltage amplification, so as to eject droplets of ink at a previously set jetting frequency according to the graphic image data; a variable voltage supply unit generating a varied operating voltage by varying a level of a previously set direct current voltage; and an amplification circuit unit generating a voltage driving waveform including at least one pulse waveform having the level of the varied operating voltage, and supplying the voltage driving waveform to the multi-nozzle piezo inkjet head.

Abstract translation: 提供了一种基于数字灰阶驱动多喷嘴压电喷墨头的装置和方法，该装置包括：控制单元，根据图形图像数据提供具有至少一个脉冲波形的脉冲数据信号，控制一个 根据多喷嘴压电喷墨头的频率响应特性的电压变化，并控制电压放大，以根据图形图像数据以预先设定的喷射频率喷射墨滴; 可变电压供给单元，其通过改变预先设定的直流电压的电平来产生变化的工作电压; 以及放大电路单元，其生成包括具有变化的工作电压的电平的至少一个脉冲波形的电压驱动波形，以及将电压驱动波形提供给多喷嘴压电喷墨头。

公开(公告)号：US20100132176A1

公开(公告)日：2010-06-03

申请号：US12696325

申请日：2010-01-29

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

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

IPC: H01L41/22

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

Abstract: 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.

Abstract translation: 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：US20100126364A1

公开(公告)日：2010-05-27

申请号：US12696320

申请日：2010-01-29

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

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

IPC: B41M1/12

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

Abstract: 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.

公开(公告)号：US07699442B2

公开(公告)日：2010-04-20

申请号：US11491929

申请日：2006-07-25

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

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

IPC: B41J2/045

CPC classification number: B41J2/14233 ,  B41J2/055

Abstract: 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.

Abstract translation: 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：US07696104B2

公开(公告)日：2010-04-13

申请号：US11437651

申请日：2006-05-22

Applicant: Seung Wan Lee ,  Min Seog Choi ,  Hwa Sun Lee ,  Won Kyoung Choi

Inventor： Seung Wan Lee ,  Min Seog Choi ,  Hwa Sun Lee ,  Won Kyoung Choi

IPC: H01L21/302

CPC classification number: G02B26/0833 ,  B81B7/0067 ,  G02B5/005 ,  G02B27/0018

Abstract: A mirror package is provided which can reflect a laser to an external screen according to a video signal when the laser enters from outside, and a method of manufacturing the mirror package. The mirror is packaged with a glass to protect from external contamination, an inlet and an outlet are formed by, for example, an anisotropic etching on the glass and blocks a reflected light reflected from the glass. The mirror package is formed as a set, combined on a wafer using a wafer level package and diced to individual chips. Subsequently, a productivity is improved and a ghost image or phenomenon is removed.

Abstract translation: 提供了一种反射镜封装，其可以在激光从外部进入时根据视频信号将激光反射到外部屏幕，以及制造镜子封装的方法。 镜子用玻璃包装以防止外部污染，入口和出口通过例如玻璃上的各向异性蚀刻形成，并阻挡从玻璃反射的反射光。 反射镜封装形成为一组，使用晶片级封装在晶片上组合并切割成单个芯片。 随后，提高生产率并且去除了重影图像或现象。