公开(公告)号：US20070257948A1

公开(公告)日：2007-11-08

申请号：US11730881

申请日：2007-04-04

申请人： Young-Jae Kim ,  Jae-Woo Joung ,  Chang-Sung Park ,  Young-Seuck Yoo

发明人： Young-Jae Kim ,  Jae-Woo Joung ,  Chang-Sung Park ,  Young-Seuck Yoo

IPC分类号： B41J29/38

CPC分类号： B41J2/04588 ,  B41J2/04581 ,  B41J2/14233 ,  B41J2002/14411

摘要： An operating method for an inkjet head is disclosed. With a method of operating an inkjet head to eject ink droplets, for an inkjet head including a pressure chamber that is contracted and expanded in a particular period, a membrane included in one side of the pressure chamber, and a nozzle connected to the pressure chamber, where the method includes: (a) decompression-operating the membrane, such that the volume of the pressure chamber is increased, in correspondence with the period in which the pressure chamber is expanded; (b) compression-operating the membrane, such that the volume of the pressure chamber is decreased, in correspondence with the time point at which the pressure chamber is converted from an expanded state to a contracted state; (c) decompression-operating the membrane, such that the volume of the pressure chamber is increased, in correspondence with the period in which the pressure chamber is contracted; and (d) compression-operating the membrane, such that the volume of the pressure chamber is decreased, in correspondence with the time point at which the pressure chamber is converted from a contracted state to an expanded state, the operating waveform delivered to the actuator is designed in consideration of all of the resonance frequencies of the actuator, pressure chamber, and meniscus, whereby the ejection speed of ink droplets may be increased and the size of the ink droplets may be minimized, without being subject to the effects of resonance of the actuator during the process of ejecting the ink droplets.

摘要翻译： 公开了一种用于喷墨头的操作方法。 通过操作喷墨头以喷射墨滴的方法，对于包括在特定时间段收缩和膨胀的压力室的喷墨头，包括在压力室一侧的膜和连接到压力室的喷嘴 其中所述方法包括：（a）减压操作所述膜，使得所述压力室的体积与所述压力室膨胀的时段相对应地增加; （b）对膜进行压缩操作，使得压力室的体积相应于压力室从膨胀状态转变为收缩状态的时间点减小; （c）减压操作膜，使得压力室的体积相应于压力室收缩的时间段增加; 和（d）对膜进行压缩操作，使得压力室的容积对应于压力室从收缩状态转变为膨胀状态的时间点而减小，输送到致动器的操作波形 考虑到致动器，压力室和弯液面的所有共振频率而设计，从而可以增加墨滴的喷射速度，并且可以使墨滴的尺寸最小化，而不会受到共振的影响 在喷墨过程中的致动器。

公开(公告)号：US20100265297A1

公开(公告)日：2010-10-21

申请号：US12654365

申请日：2009-12-17

申请人： Yoon-Sok Park ,  Jae-Woo Joung ,  Young-Seuck Yoo ,  Chang-Sung Park ,  Ju-Hwan Yang

发明人： Yoon-Sok Park ,  Jae-Woo Joung ,  Young-Seuck Yoo ,  Chang-Sung Park ,  Ju-Hwan Yang

IPC分类号： B41J2/14

CPC分类号： B41J2/14233 ,  B41J2/1631 ,  B41J2/1645 ,  B41J2002/14411 ,  B41J2202/11

摘要： An inkjet head is disclosed. In accordance with an embodiment of the present invention, the ink-jet head that prevents a nozzle from being blocked by a residual ink droplet formed on the nozzle can include a head body having the nozzle formed on one surface thereof and an actuator, which provides pressure to the inside of the head body. Here, a transfer groove is formed on one surface of the head body, in which the transfer groove is separated from the nozzle to provide a path through which the residual ink droplet moves. Thus, the inkjet head can prevent the nozzle from being blocked by a residual ink droplet formed on the nozzle by use of the transfer groove, which provides a path for a residual ink droplet formed on the nozzle to escape.

摘要翻译： 公开了一种喷墨头。 根据本发明的实施例，防止喷嘴被形成在喷嘴上的残留墨滴阻挡的喷墨头可以包括具有在其一个表面上形成的喷嘴的头体和致动器，其提供 头部内部压力。 这里，传送槽形成在头主体的一个表面上，其中传送槽与喷嘴分离，以提供残留墨滴移动的路径。 因此，喷墨头可以防止喷嘴被形成在喷嘴上的残留墨滴被使用传送槽阻挡，该传送槽为形成在喷嘴上的残留墨滴提供通路。

公开(公告)号：US20080074474A1

公开(公告)日：2008-03-27

申请号：US11902321

申请日：2007-09-20

申请人： Young-Seuck Yoo ,  Jae-Woo Joung ,  Chang-Sung Park

发明人： Young-Seuck Yoo ,  Jae-Woo Joung ,  Chang-Sung Park

IPC分类号： B41J2/045 ,  B41J29/38

CPC分类号： B41J2/055 ,  B41J2/14233 ,  B41J2002/14338 ,  B41J2202/05

摘要： An ink-jet head is disclosed. Using an ink-jet head which includes a nozzle, a chamber from which to supply ink to the nozzle, a restrictor which acts as a channel through which to supply the ink to the chamber, a vibrating plate covering one side of each of the chamber and the restrictor, a first actuator joined with the vibrating plate in correspondence to the location of the chamber, and a second actuator joined with the vibrating plate in correspondence to the location of the restrictor, the ability to control droplets can be improved, by allowing the control of the channel resistance of the restrictor.

摘要翻译： 公开了一种喷墨头。 使用喷墨头，其包括喷嘴，从其向喷嘴供应墨水的腔室，作为用于将墨水供应到腔室的通道的限制器，覆盖每个腔室的一侧的振动板 和限流器，与振动板连接的第一致动器对应于室的位置，以及与振动板相连接的限制器的位置的第二致动器，可以通过允许控制液滴的能力来改善 限制器的通道电阻的控制。

公开(公告)号：US20070268324A1

公开(公告)日：2007-11-22

申请号：US11797887

申请日：2007-05-08

申请人： Won-Chul Sim ,  Jae-Woo Joung ,  Chang-Sung Park ,  Sung-Jun Park

发明人： Won-Chul Sim ,  Jae-Woo Joung ,  Chang-Sung Park ,  Sung-Jun Park

IPC分类号： B41J29/393

CPC分类号： B41J2/14233 ,  B41J2/04581 ,  B41J2/04588

摘要： A method and apparatus for calculating the natural frequency of an ink-jet head are disclosed. With a method of determining a natural frequency of an ink-jet head operated by a piezoelectric actuator by joining a sensor to the piezoelectric actuator, which includes supplying electrical power to the piezoelectric actuator; receiving data on the vibration of the ink-jet head as input from the sensor and storing the data; transforming the data and outputting a vibration waveform of the ink-jet head; and analyzing the vibration waveform and to determine the natural frequency of the ink-jet head ink-jet head, the natural frequency of the ink-jet head of high reliability may be determined. In addition, the time required for detecting natural frequency may be reduced.

摘要翻译： 公开了一种用于计算喷墨头的固有频率的方法和装置。 利用通过将传感器连接到压电致动器来确定由压电致动器操作的喷墨头的固有频率的方法，其包括向压电致动器供电; 从所述传感器接收作为所述喷墨头的振动的数据并存储所述数据; 变换数据并输出喷墨头的振动波形; 并且分析振动波形并确定喷墨头喷墨头的固有频率，可以确定高可靠性的喷墨头的固有频率。 此外，可以减少检测固有频率所需的时间。

公开(公告)号：US20080207934A1

公开(公告)日：2008-08-28

申请号：US11940049

申请日：2007-11-14

申请人： Tae-Hoon KIM ,  Jae-Woo Joung ,  Sung-Nam Cho ,  Chang-Sung Park ,  Kwi-Jong Lee

发明人： Tae-Hoon KIM ,  Jae-Woo Joung ,  Sung-Nam Cho ,  Chang-Sung Park ,  Kwi-Jong Lee

IPC分类号： C07F1/08 ,  C07F1/10 ,  C07F1/12 ,  C07F15/04 ,  C07F15/06

CPC分类号： C09D11/326 ,  B41M5/0023 ,  B82Y30/00

摘要： The present invention relates to a method for producing metal nanoparticles and metal nanoparticles produced thereby, in particular, to a method for producing metal nanoparticles used for inkjet that comprises, preparing metal nanoparticles capped with a fatty acid; heating a mixture of the capped metal nanoparticles and a linear or branched first amine of C1-C7 so that a part of the fatty acid is substituted to the first amine; and heating after adding a linear or branched second amine of C8-C20 to the mixture so that the first amine is re-substituted to the second amine. According to the present invention, metal nanoparticles capped with 2 kinds of dispersants can be produced massively, and its application to ink for inkjet technique can lower the curing temperature of ink.

摘要翻译： 本发明涉及一种生产金属纳米粒子的方法及其制备的金属纳米粒子，特别涉及用于生产用于喷墨的金属纳米粒子的方法，该方法包括：制备用脂肪酸封端的金属纳米粒子; 加热封端的金属纳米颗粒和C1-C7的直链或支链的第一胺的混合物，使得一部分脂肪酸被第一胺取代; 并在将C 8 -C 20 -C 20的直链或支链的第二胺加入混合物中加热，使得第一胺被重新取代成第二胺。 根据本发明，可以大量生产用2种分散剂覆盖的金属纳米颗粒，并且其用于喷墨技术的墨水可以降低油墨的固化温度。

公开(公告)号：US20110122207A1

公开(公告)日：2011-05-26

申请号：US12765545

申请日：2010-04-22

申请人： Hyun-Ho SHIN ,  Chung-Mo Yang ,  Yoon-Sok Park ,  Suk-Ho Song ,  Chang-Sung Park ,  Won-Chul Sim

发明人： Hyun-Ho SHIN ,  Chung-Mo Yang ,  Yoon-Sok Park ,  Suk-Ho Song ,  Chang-Sung Park ,  Won-Chul Sim

IPC分类号： B41J2/175

CPC分类号： B41J2/14233 ,  B41J2002/14419

摘要： An ink-jet head is disclosed. The ink-jet head in accordance with an embodiment of the present invention is equipped with a plurality of jetting cells, each of which ejects ink. Each of the plurality of jetting cells is connected to a common reservoir supplying the ink, and a pillar is formed inside the common reservoir, in which the pillar supports an upper surface of the common reservoir by being extended from a lower surface to the upper surface of the common reservoir and the pillar disperses a pressure wave transferred inside the common reservoir.

摘要翻译： 公开了一种喷墨头。 根据本发明的实施例的喷墨头装备有多个喷射单元，每个喷射单元喷射墨水。 多个喷射单元中的每一个连接到供应墨水的公共储存器，并且在公共储存器内部形成有柱，支柱通过从下表面延伸到上表面而支撑公共储存器的上表面 的共同储层和柱子分散在公共储存器内部传递的压力波。

公开(公告)号：US07559970B2

公开(公告)日：2009-07-14

申请号：US11940049

申请日：2007-11-14

申请人： Tae-Hoon Kim ,  Jae-Woo Joung ,  Sung-Nam Cho ,  Chang-Sung Park ,  Kwi-Jong Lee

发明人： Tae-Hoon Kim ,  Jae-Woo Joung ,  Sung-Nam Cho ,  Chang-Sung Park ,  Kwi-Jong Lee

IPC分类号： C22B11/00 ,  G03C1/494 ,  C07F1/00 ,  C09D11/06 ,  H01L21/316

CPC分类号： C09D11/326 ,  B41M5/0023 ,  B82Y30/00

摘要： The present invention relates to a method for producing metal nanoparticles and metal nanoparticles produced thereby, in particular, to a method for producing metal nanoparticles used for inkjet that comprises, preparing metal nanoparticles capped with a fatty acid; heating a mixture of the capped metal nanoparticles and a linear or branched first amine of C1-C7 so that a part of the fatty acid is substituted to the first amine; and heating after adding a linear or branched second amine of C8-C20 to the mixture so that the first amine is re-substituted to the second amine. According to the present invention, metal nanoparticles capped with 2 kinds of dispersants can be produced massively, and its application to ink for inkjet technique can lower the curing temperature of ink.

摘要翻译： 本发明涉及一种生产金属纳米粒子的方法及其制备的金属纳米粒子，特别涉及用于生产用于喷墨的金属纳米粒子的方法，该方法包括：制备用脂肪酸封端的金属纳米粒子; 加热封端的金属纳米颗粒和C1-C7的直链或支链的第一胺的混合物，使得一部分脂肪酸被第一胺取代; 并在将C8-C20的直链或支链的第二胺加入混合物中加热，使得第一种胺被重新取代成第二种胺。 根据本发明，可以大量生产用2种分散剂覆盖的金属纳米颗粒，并且其用于喷墨技术的油墨可以降低油墨的固化温度。