专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 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.

32. 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。

33. 发明授权

US07681989B2 Piezoelectric actuator for an ink-jet printhead and method of forming the same 失效
标题翻译：用于喷墨打印头的压电致动器及其形成方法
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。

34. 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。

35. 发明申请

US20070176980A1 Piezoelectric inkjet printhead 失效
标题翻译：压电喷墨打印头
公开(公告)号：US20070176980A1
公开(公告)日：2007-08-02
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。

36. 发明申请

US20060125870A1 Defect detection device of a print head and method of detecting defect of a print head 失效
公开(公告)号：US20060125870A1
公开(公告)日：2006-06-15
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.

37. 发明授权

US08813363B2 Piezoelectric inkjet printhead and method of manufacturing the same 有权
标题翻译：压电喷墨打印头及其制造方法
公开(公告)号：US08813363B2
公开(公告)日：2014-08-26
申请号：US12722843
申请日：2010-03-12
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： B21D53/76 , B23P17/00 , H01L41/22 , H04R17/00 , H01L41/00
CPC分类号： B41J2/14233 , B41J2/161 , B41J2/1623 , B41J2/1628 , B41J2/1629 , Y10T29/42 , Y10T29/49401
摘要： A method of manufacturing a piezoelectric inkjet printhead includes processing a lower silicon-on-insulator substrate having a sequentially stacked structure with a first silicon layer, an intervening oxide layer, and a second silicon layer, processing the lower silicon-on-insulator substrate by etching the second silicon layer to form a manifold, a plurality of pressure chambers arranged along at least one side of the manifold and connected with the manifold, and a plurality of dampers connected with the pressure chambers, and by etching the first silicon layer and the intervening oxide layer to form a plurality of vertical nozzles through the first silicon layer and the intervening oxide layer to corresponding ones of the plurality of dampers, stacking and bonding an upper substrate on the lower substrate, reducing the upper substrate to a predetermined thickness, and forming a piezoelectric actuator on the upper substrate.
摘要翻译：一种制造压电喷墨打印头的方法包括：通过第一硅层，中间氧化物层和第二硅层处理具有顺序层叠结构的下硅绝缘体上基板，通过以下方式处理下硅绝缘体上基板：蚀刻所述第二硅层以形成歧管，沿所述歧管的至少一侧布置并与所述歧管连接的多个压力室以及与所述压力室连接的多个阻尼器，并且通过蚀刻所述第一硅层和所述第二硅层形成多个垂直喷嘴，通过第一硅层和中间氧化物层到多个阻尼器中的相应的阻尼器，堆叠并结合下基板上的上基板，将上基板还原成预定厚度;以及在上基板上形成压电致动器。

38. 发明授权

US07703895B2 Piezoelectric inkjet printhead and method of manufacturing the same 失效
标题翻译：压电喷墨打印头及其制造方法
公开(公告)号：US07703895B2
公开(公告)日：2010-04-27
申请号：US11333540
申请日：2006-01-18
申请人： Jae-chang Lee , Jae-woo Chung , Sung-gyu Kang
发明人： Jae-chang Lee , Jae-woo Chung , Sung-gyu Kang
IPC分类号： B41J2/045
CPC分类号： B41J2/161 , B41J2/14233 , B41J2/1623 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1637 , B41J2002/14306 , B41J2002/14411 , B41J2002/14419
摘要： A piezoelectric inkjet printhead including an upper substrate, having an ink inlet, a manifold connected with the ink inlet, and a plurality of pressure chambers arranged along at least one side of the manifold, wherein the ink inlet passes through the upper substrate, and the manifold and the pressure chambers are formed in a lower surface of the upper substrate, a lower substrate disposed directly adjacent the upper substrate, the lower substrate having a plurality of restrictors each connecting the manifold with one end of each of the pressure chambers, and a plurality of nozzles each being formed in a position of the lower substrate that corresponds to the other end of each of the pressure chambers to vertically pass through the lower substrate, wherein the plurality of restrictors are formed in an upper surface of the lower substrate, and a plurality of piezoelectric actuators.
摘要翻译：一种压电喷墨打印头，包括具有墨入口，与墨入口连接的歧管的上基板和沿着歧管的至少一侧布置的多个压力室，其中墨入口穿过上基板，歧管和压力室形成在上基板的下表面中，下基板直接邻近上基板设置，下基板具有多个限制器，每个限制器将歧管与每个压力室的一端连接，并且多个喷嘴各自形成在下基板的对应于每个压力室的另一端的位置以垂直地穿过下基板，其中多个限制器形成在下基板的上表面中，以及多个压电致动器。

39. 发明申请

US20070134928A1 Silicon wet etching method using parylene mask and method of manufacturing nozzle plate of inkjet printhead using the same 审中-公开
标题翻译：使用聚对二苯乙烯掩模的硅湿式蚀刻方法和使用其制造喷墨打印头的喷嘴板的方法
公开(公告)号：US20070134928A1
公开(公告)日：2007-06-14
申请号：US11505416
申请日：2006-08-17
申请人： Jae-chang Lee , Chang-seung Lee , Jae-woo Chung , Duck-su Kim , Kyo-yeol Lee
发明人： Jae-chang Lee , Chang-seung Lee , Jae-woo Chung , Duck-su Kim , Kyo-yeol Lee
IPC分类号： H01L21/302
CPC分类号： B41J2/161 , B41J2/1628 , B41J2/1629 , B41J2002/14411
摘要： A silicon wet etching method to form at least two elements having different shapes in a silicon substrate using at least two wet etching processes includes forming a first etch mask made of parylene on a surface of the silicon substrate, forming a first element in the substrate by wet etching the silicon substrate for a first time using the first etch mask, forming a second etch mask made of a silicon oxide layer on the surface of the silicon substrate, and forming a second element by wet etching the silicon substrate for a second time using the second etch mask.
摘要翻译：使用至少两个湿蚀刻工艺在硅衬底中形成具有不同形状的至少两种元件的硅湿式蚀刻方法包括在硅衬底的表面上形成由聚对二甲苯制成的第一蚀刻掩模，在衬底中形成第一元件，通过使用第一蚀刻掩模第一次湿蚀刻硅衬底，在硅衬底的表面上形成由氧化硅层制成的第二蚀刻掩模，并且通过湿法蚀刻硅衬底第二次来形成第二元件，第二次使用第二蚀刻掩模。

40. 发明申请

US20100167433A1 PIEZOELECTRIC INKJET PRINTHEAD AND METHOD OF MANUFACTURING THE SAME 有权
标题翻译：压电喷墨印刷机及其制造方法
公开(公告)号：US20100167433A1
公开(公告)日：2010-07-01
申请号：US12722843
申请日：2010-03-12
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： H01L21/306
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。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式