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31. 发明授权

US07364275B2 Piezoelectric actuator of an ink-jet printhead and method for forming the same 失效
标题翻译：喷墨打印头的压电致动器及其形成方法
公开(公告)号：US07364275B2
公开(公告)日：2008-04-29
申请号：US10805430
申请日：2004-03-22
申请人： Seung-mo Lim , Jae-woo Chung , Jae-chang Lee
发明人： Seung-mo Lim , Jae-woo Chung , Jae-chang Lee
IPC分类号： B41J2/45 , H01L41/24 , H01L41/08
CPC分类号： B41J2/1629 , B41J2/14233 , B41J2/161 , B41J2/1628 , B41J2/1631 , B41J2/1646 , H01L41/0973 , H01L41/314 , Y10T29/42
摘要： A piezoelectric actuator for providing a driving force to a pressure chamber of an ink-jet printhead for ejecting ink by deforming a vibration plate, the vibration plate forming an upper wall of the pressure chamber, the piezoelectric actuator including a lower electrode formed on the vibration plate, a piezoelectric film having either: (a) peripheral portions, the piezoelectric film formed on the lower electrode at a position that corresponds to the pressure chamber and having a space between the peripheral portions and the lower electrode, or (b) a lateral surface, the piezoelectric film formed on the lower electrode at a position that corresponds to the pressure chamber, the lateral surface of the piezoelectric film substantially forming a right angle with respect to a top surface of the lower electrode, and an upper electrode formed on the piezoelectric film for applying a voltage to the piezoelectric film.
摘要翻译：一种压电致动器，用于通过使振动板变形来向喷墨打印头的压力室提供驱动力，所述振动板形成所述压力室的上壁，所述压电致动器包括形成在所述振动上的下电极压电薄膜具有：（a）周边部分，在与电解槽对应的位置处形成在下部电极上并且在周边部分和下部电极之间具有空间的压电薄膜，或者（b）横向形成在下电极上的与压力室相对应的位置处的压电膜，压电膜的侧表面相对于下电极的上表面基本形成直角，以及上电极用于向压电膜施加电压的压电膜。

32. 发明授权

US07329363B2 Method of forming a hydrophobic coating layer on a surface of a nozzle plate for an ink-jet printhead 失效
标题翻译：在用于喷墨打印头的喷嘴板的表面上形成疏水涂层的方法
公开(公告)号：US07329363B2
公开(公告)日：2008-02-12
申请号：US11064827
申请日：2005-02-25
申请人： Seung-mo Lim , Kyung-hee You , Jae-woo Chung
发明人： Seung-mo Lim , Kyung-hee You , Jae-woo Chung
IPC分类号： G11B5/27
CPC分类号： B41J2/162 , B41J2/1606 , B41J2/1628 , B41J2/1642 , B41J2/1646
摘要： A method of forming a hydrophobic coating layer on a surface of a nozzle plate for an ink-jet printhead includes preparing a nozzle plate having a nozzle, forming a metal layer on a surface of the nozzle plate, forming a material layer covering the metal layer, selectively etching the material layer to expose a portion of the metal layer formed on an outer surface of the nozzle plate, and forming the hydrophobic coating layer of a sulfur compound on the exposed portion of the metal layer by dipping the nozzle plate in a sulfur compound-containing solution.
摘要翻译：在用于喷墨打印头的喷嘴板的表面上形成疏水涂层的方法包括制备具有喷嘴的喷嘴板，在喷嘴板的表面上形成金属层，形成覆盖金属层的材料层选择性地蚀刻材料层以暴露形成在喷嘴板的外表面上的金属层的一部分，并且通过将喷嘴板浸入硫中而在金属层的暴露部分上形成硫化合物的疏水涂层含化合物的溶液。

33. 发明申请

US20070019042A1 Method for manufacturing piezoelectric ink-jet printhead 有权
标题翻译：制造压电喷墨打印头的方法
公开(公告)号：US20070019042A1
公开(公告)日：2007-01-25
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。

34. 发明申请

US20050190232A1 Piezoelectric ink-jet printhead and method of manufacturing a nozzle plate of the same 失效
标题翻译：压电式喷墨打印头及其喷嘴板的制造方法
公开(公告)号：US20050190232A1
公开(公告)日：2005-09-01
申请号：US11064834
申请日：2005-02-25
申请人： Jae-chang Lee , Jung-min Oh , Jae-woo Chung , Jong-beom Kim , Seung-mo Lim
发明人： Jae-chang Lee , Jung-min Oh , Jae-woo Chung , Jong-beom Kim , Seung-mo Lim
IPC分类号： B41J2/045 , B41J2/055 , B41J2/135 , B41J2/14 , B41J2/16
CPC分类号： B41J2/161 , B41J2/14137 , B41J2/14233 , B41J2/162 , B41J2/1623 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1642 , B41J2/1643 , B41J2/1646
摘要： In a piezoelectric ink-jet printhead, and a method of manufacturing a nozzle plate, the piezoelectric ink-jet printhead includes a flow path plate having an ink flow path including pressure chambers to be filled with ink to be ejected, a piezoelectric actuator formed on an upper surface of the flow path plate and for supplying a driving force for ink ejection to the pressure chambers, and a nozzle plate bonded to a lower surface of the flow path plate including nozzles for ejecting ink from the pressure chambers bored through the nozzle plate. The printhead may further include a heater formed on a lower surface of the nozzle plate for heating ink in the ink flow path and/or a temperature detector formed on a lower surface of the nozzle plate or on an upper surface of the flow path plate.
摘要翻译：在压电喷墨打印头和喷嘴板的制造方法中，压电喷墨打印头包括流路板，该流路板具有墨流路，该墨流路包括填充有要喷射的墨的压力室，形成在流路板的上表面，并且用于向压力室供给用于喷墨的驱动力;以及喷嘴板，其结合到流路板的下表面，该喷嘴板包括用于从通过喷嘴板钻出的压力室喷射油墨的喷嘴。打印头还可以包括形成在喷嘴板的下表面上的加热器，用于加热油墨流路中的油墨和/或形成在喷嘴板的下表面上或在流路板的上表面上形成的温度检测器。

35. 发明授权

US08806727B2 Method of forming a piezoelectric actuator of an inkjet head 有权
标题翻译：形成喷墨头的压电致动器的方法
公开(公告)号：US08806727B2
公开(公告)日：2014-08-19
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： H04R17/00
CPC分类号： B41J2/14233 , B41J2002/14491 , Y10T29/42 , Y10T29/49002 , Y10T29/49005 , Y10T29/4908
摘要： 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.
摘要翻译：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。

36. 发明申请

US20100132176A1 METHOD OF FORMING THICK LAYER BY SCREEN PRINTING AND METHOD OF FORMING PIEZOELECTRIC ACTUATOR OF INKJET HEAD 审中-公开
标题翻译：通过丝网印刷形成厚层的方法和形成喷墨头的压电致动器的方法
公开(公告)号：US20100132176A1
公开(公告)日：2010-06-03
申请号：US12696325
申请日：2010-01-29
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： H01L41/22
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。

37. 发明申请

US20100126364A1 METHOD OF FORMING THICK LAYER BY SCREEN PRINTING AND METHOD OF FORMING PIEZOELECTRIC ACTUATOR OF INKJET HEAD 审中-公开
公开(公告)号：US20100126364A1
公开(公告)日：2010-05-27
申请号：US12696320
申请日：2010-01-29
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： B41M1/12
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.

38. 发明授权

US07699442B2 Piezoelectric inkjet printhead 失效
标题翻译：压电喷墨打印头
公开(公告)号：US07699442B2
公开(公告)日：2010-04-20
申请号：US11491929
申请日：2006-07-25
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。

39. 发明授权

US07682001B2 Piezoelectric actuator inkjet head and method of forming the same 失效
标题翻译：压电致动器喷墨头及其形成方法
公开(公告)号：US07682001B2
公开(公告)日：2010-03-23
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。

40. 发明授权

US07571975B2 Defect detection device of a print head and method of detecting defect of a print head 失效
标题翻译：打印头的缺陷检测装置和检测打印头缺陷的方法
公开(公告)号：US07571975B2
公开(公告)日：2009-08-11
申请号：US11302400
申请日：2005-12-14
申请人： Hwa-sun Lee , Jae-woo Chung , Seung-mo Lim
发明人： Hwa-sun Lee , Jae-woo Chung , Seung-mo Lim
IPC分类号： B41J29/393
CPC分类号： B41J2/16579 , B41J2/0451 , B41J2/04581 , B41J2002/14354
摘要： A defect detection device of a printer head, and a method of detecting defects, including first to Nth actuators providing a driving force for ejecting ink to ink chambers; a vibration signal generator generating vibration signals for vibrating the first to Nth actuators; a first switch receiving the generated vibration signals and outputting the vibration signals to a Kth actuator among the first to Nth actuators; a second switch receiving vibration signals of one or more among the first to Nth actuators and outputting an Lth vibration signal that corresponds to a vibration signal of the Lth actuator adjacent to the Kth actuator among the received vibration signals; and a defect detector comparing the Lth vibration signal output from the second switch with the specific vibration signal of the Lth actuator when there is no defect in a printer head and detecting defects in the printer head.
摘要翻译：打印机头的缺陷检测装置以及检测缺陷的方法，包括第一至第N致动器，其提供用于将墨喷射到墨室的驱动力; 振动信号发生器，产生振动第一至第N致动器的振动信号; 接收所生成的振动信号的第一开关，并将振动信号输出到第一至第N致动器中的第K个致动器; 接收第一至第N致动器中的一个或多个的振动信号的第二开关，并输出与所接收的振动信号中与第K个致动器相邻的第L致动器的振动信号相对应的第L振动信号; 以及当打印机头中没有缺陷并且检测打印头中的缺陷时，比较从第二开关输出的Lth振动信号与第L个致动器的特定振动信号的缺陷检测器。

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