公开(公告)号：US20050190241A1

公开(公告)日：2005-09-01

申请号：US11064826

申请日：2005-02-25

申请人： Hwa-sun Lee ,  Jae-woo Chung ,  Seung-mo Lim ,  Sung-gyu Kang

发明人： Hwa-sun Lee ,  Jae-woo Chung ,  Seung-mo Lim ,  Sung-gyu Kang

IPC分类号： B41J2/045 ,  B41J2/055 ,  B41J2/135 ,  B41J2/14 ,  B41J2/16

CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1642 ,  B41J2002/14491 ,  Y10T29/42

摘要： In a piezoelectric actuator for an ink-jet printhead, and a method of forming the same, formed on a flow path plate having a pressurizing chamber, the piezoelectric actuator for applying a driving force for ink ejection to the pressurizing chamber, the piezoelectric actuator includes a lower electrode formed on the flow path plate, a bonding pad formed on the flow path plate to be insulated from the lower electrode, wherein a driving circuit for voltage application is bonded to an upper surface of the bonding pad, a piezoelectric layer formed on the lower electrode at a position corresponding to the pressurizing chamber, wherein an end of the piezoelectric layer extends onto the bonding pad, and an upper electrode formed on the piezoelectric layer, wherein an end of the upper electrode extends beyond the end of the piezoelectric layer and contacts the upper surface of the bonding pad.

摘要翻译： 在具有加压室的流路板上形成的用于喷墨打印头的压电致动器及其形成方法中，压电致动器用于向加压室施加用于喷墨的驱动力，压电致动器包括 形成在所述流路板上的下电极，形成在所述流路板上以与所述下电极绝缘的接合焊盘，其中施加电压的驱动电路接合到所述接合焊盘的上表面，形成在所述接合焊盘的上表面上的压电层 所述下部电极在与所述加压室对应的位置处，其中所述压电层的端部延伸到所述接合焊盘上，以及形成在所述压电层上的上部电极，其中所述上部电极的端部延伸超出所述压电层的端部 并接触焊盘的上表面。

公开(公告)号：US07681989B2

公开(公告)日：2010-03-23

申请号：US11064826

申请日：2005-02-25

申请人： Hwa-sun Lee ,  Jae-woo Chung ,  Seung-mo Lim ,  Sung-gyu Kang

发明人： Hwa-sun Lee ,  Jae-woo Chung ,  Seung-mo Lim ,  Sung-gyu Kang

IPC分类号： B41J2/16 ,  H01L41/24 ,  B41J2/45

CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1642 ,  B41J2002/14491 ,  Y10T29/42

摘要： In a piezoelectric actuator for an ink-jet printhead, and a method of forming the same, formed on a flow path plate having a pressurizing chamber, the piezoelectric actuator for applying a driving force for ink ejection to the pressurizing chamber, the piezoelectric actuator includes a lower electrode formed on the flow path plate, a bonding pad formed on the flow path plate to be insulated from the lower electrode, wherein a driving circuit for voltage application is bonded to an upper surface of the bonding pad, a piezoelectric layer formed on the lower electrode at a position corresponding to the pressurizing chamber, wherein an end of the piezoelectric layer extends onto the bonding pad, and an upper electrode formed on the piezoelectric layer, wherein an end of the upper electrode extends beyond the end of the piezoelectric layer and contacts the upper surface of the bonding pad.

摘要翻译： 在具有加压室的流路板上形成的用于喷墨打印头的压电致动器及其形成方法中，压电致动器用于向加压室施加用于喷墨的驱动力，压电致动器包括 形成在所述流路板上的下电极，形成在所述流路板上以与所述下电极绝缘的接合焊盘，其中施加电压的驱动电路接合到所述接合焊盘的上表面，形成在所述接合焊盘的上表面上的压电层 所述下部电极在与所述加压室对应的位置处，其中所述压电层的端部延伸到所述接合焊盘上，以及形成在所述压电层上的上部电极，其中所述上部电极的端部延伸超出所述压电层的端部 并接触焊盘的上表面。

公开(公告)号：US07926177B2

公开(公告)日：2011-04-19

申请号：US11425204

申请日：2006-06-20

申请人： Sung-gyu Kang ,  Kae-dong Back ,  Seung-mo Lim ,  Jae-woo Chung

发明人： Sung-gyu Kang ,  Kae-dong Back ,  Seung-mo Lim ,  Jae-woo Chung

IPC分类号： B23P17/00 ,  B21D53/76 ,  B41J2/15 ,  B41J2/145

CPC分类号： B41J2/1433 ,  B41J2/1606 ,  B41J2/162 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1643 ,  Y10T29/49401

摘要： A method of forming a hydrophobic coating layer on a surface of a nozzle plate of an inkjet printhead includes forming a plurality of nozzles in the nozzle plate, each of the nozzles having an exit, stacking a film on the surface of the nozzle plate to cover the exit of each of the nozzles, forming a predetermined metal layer on an inner wall of each of the nozzles and an inner surface of the film covering the exit of each of the nozzles using a plating method, removing the film from the surface of the nozzle plate, forming a hydrophobic coating layer on the surface of the nozzle plate to cover the metal layer exposed through the exit of each of the nozzles, and removing the metal layer formed on the inner wall of each of the nozzles and the hydrophobic coating layer formed on the surface of the metal layer.

摘要翻译： 在喷墨打印头的喷嘴板的表面上形成疏水涂层的方法包括在喷嘴板中形成多个喷嘴，每个喷嘴具有出口，在喷嘴板的表面上堆叠膜以覆盖 每个喷嘴的出口，在每个喷嘴的内壁上形成预定的金属层，并且使用电镀方法将膜的内表面覆盖每个喷嘴的出口，从该表面移除该膜 喷嘴板，在喷嘴板的表面上形成疏水涂层，以覆盖通过每个喷嘴的出口暴露的金属层，并且去除形成在每个喷嘴的内壁上的金属层和疏水涂层 形成在金属层的表面上。

公开(公告)号：US07883180B2

公开(公告)日：2011-02-08

申请号：US11766283

申请日：2007-06-21

申请人： Tae-woon Cha ,  Seung-mo Lim ,  Sung-gyu Kang ,  Jae-woo Chung

发明人： Tae-woon Cha ,  Seung-mo Lim ,  Sung-gyu Kang ,  Jae-woo Chung

IPC分类号： B41J2/14

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

摘要： A nozzle plate of an inkjet printhead, and a method of manufacturing the nozzle plate. The nozzle plate includes a substrate through which nozzles are formed; an ink-philic coating layer formed on an outer surface of the substrate and inner walls of the nozzles; and an ink-phobic coating layer selectively formed on the ink-philic coating layer disposed around the nozzles.

摘要翻译： 喷墨打印头的喷嘴板，以及喷嘴板的制造方法。 喷嘴板包括形成喷嘴的基板; 形成在基板的外表面和喷嘴的内壁上的亲油涂层; 以及在设置在喷嘴周围的亲油性涂层上选择性地形成的墨滴涂层。

公开(公告)号：US20070120889A1

公开(公告)日：2007-05-31

申请号：US11425204

申请日：2006-06-20

申请人： Sung-gyu KANG ,  Kae-dong Back ,  Seung-mo Lim ,  Jae-woo Chung

发明人： Sung-gyu KANG ,  Kae-dong Back ,  Seung-mo Lim ,  Jae-woo Chung

IPC分类号： B41J2/135

CPC分类号： B41J2/1433 ,  B41J2/1606 ,  B41J2/162 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1643 ,  Y10T29/49401

摘要： A method of forming a hydrophobic coating layer on a surface of a nozzle plate of an inkjet printhead includes forming a plurality of nozzles in the nozzle plate, each of the nozzles having an exit, stacking a film on the surface of the nozzle plate to cover the exit of each of the nozzles, forming a predetermined metal layer on an inner wall of each of the nozzles and an inner surface of the film covering the exit of each of the nozzles using a plating method, removing the film from the surface of the nozzle plate, forming a hydrophobic coating layer on the surface of the nozzle plate to cover the metal layer exposed through the exit of each of the nozzles, and removing the metal layer formed on the inner wall of each of the nozzles and the hydrophobic coating layer formed on the surface of the metal layer.

摘要翻译： 在喷墨打印头的喷嘴板的表面上形成疏水涂层的方法包括在喷嘴板中形成多个喷嘴，每个喷嘴具有出口，在喷嘴板的表面上堆叠膜以覆盖 每个喷嘴的出口，在每个喷嘴的内壁上形成预定的金属层，并且使用电镀方法将膜的内表面覆盖每个喷嘴的出口，从该表面移除该膜 喷嘴板，在喷嘴板的表面上形成疏水涂层，以覆盖通过每个喷嘴的出口暴露的金属层，并且去除形成在每个喷嘴的内壁上的金属层和疏水涂层 形成在金属层的表面上。

公开(公告)号：US20080129780A1

公开(公告)日：2008-06-05

申请号：US11766283

申请日：2007-06-21

申请人： Tae-woon Cha ,  Seung-mo Lim ,  Sung-gyu Kang ,  Jae-woo Chung

发明人： Tae-woon Cha ,  Seung-mo Lim ,  Sung-gyu Kang ,  Jae-woo Chung

IPC分类号： B41J2/135 ,  B05D3/00

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

摘要： A nozzle plate of an inkjet printhead, and a method of manufacturing the nozzle plate. The nozzle plate includes a substrate through which nozzles are formed; an ink-philic coating layer formed on an outer surface of the substrate and inner walls of the nozzles; and an ink-phobic coating layer selectively formed on the ink-philic coating layer disposed around the nozzles.

摘要翻译： 喷墨打印头的喷嘴板，以及喷嘴板的制造方法。 喷嘴板包括形成喷嘴的基板; 形成在基板的外表面和喷嘴的内壁上的亲油涂层; 以及在设置在喷嘴周围的亲油性涂层上选择性地形成的墨滴涂层。

公开(公告)号：US20110091645A1

公开(公告)日：2011-04-21

申请号：US12979507

申请日：2010-12-28

申请人： Tae-woon CHA ,  Seung-mo Lim ,  Sung-gyu Kang ,  Jae-woo Chung

发明人： Tae-woon CHA ,  Seung-mo Lim ,  Sung-gyu Kang ,  Jae-woo Chung

IPC分类号： B05D7/22 ,  C23C14/34

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

摘要： A nozzle plate of an inkjet printhead, and a method of manufacturing the nozzle plate. The nozzle plate includes a substrate through which nozzles are formed; an ink-philic coating layer formed on an outer surface of the substrate and inner walls of the nozzles; and an ink-phobic coating layer selectively formed on the ink-philic coating layer disposed around the nozzles.

摘要翻译： 喷墨打印头的喷嘴板，以及喷嘴板的制造方法。 喷嘴板包括形成喷嘴的基板; 形成在基板的外表面和喷嘴的内壁上的亲油涂层; 以及在设置在喷嘴周围的亲油性涂层上选择性地形成的墨滴涂层。

公开(公告)号：US20110049095A1

公开(公告)日：2011-03-03

申请号：US12941218

申请日：2010-11-08

申请人： Sung-gyu Kang ,  Kae-dong Back ,  Seung-mo Lim ,  Jae-Woo Chung

发明人： Sung-gyu Kang ,  Kae-dong Back ,  Seung-mo Lim ,  Jae-Woo Chung

IPC分类号： B05D3/10 ,  B05D1/02 ,  B05D3/00

CPC分类号： B41J2/1433 ,  B41J2/1606 ,  B41J2/162 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1643 ,  Y10T29/49401

摘要： A method of forming a hydrophobic coating layer on a surface of a nozzle plate of an inkjet printhead includes forming a plurality of nozzles in the nozzle plate, each of the nozzles having an exit, stacking a film on the surface of the nozzle plate to cover the exit of each of the nozzles, forming a predetermined metal layer on an inner wall of each of the nozzles and an inner surface of the film covering the exit of each of the nozzles using a plating method, removing the film from the surface of the nozzle plate, forming a hydrophobic coating layer on the surface of the nozzle plate to cover the metal layer exposed through the exit of each of the nozzles, and removing the metal layer formed on the inner wall of each of the nozzles and the hydrophobic coating layer formed on the surface of the metal layer.

摘要翻译： 在喷墨打印头的喷嘴板的表面上形成疏水涂层的方法包括在喷嘴板中形成多个喷嘴，每个喷嘴具有出口，在喷嘴板的表面上堆叠膜以覆盖 每个喷嘴的出口，在每个喷嘴的内壁上形成预定的金属层，并且使用电镀方法将膜的内表面覆盖每个喷嘴的出口，从该表面移除该膜 喷嘴板，在喷嘴板的表面上形成疏水涂层，以覆盖通过每个喷嘴的出口暴露的金属层，并且去除形成在每个喷嘴的内壁上的金属层和疏水涂层 形成在金属层的表面上。

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：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。