公开(公告)号：US20130135396A1

公开(公告)日：2013-05-30

申请号：US13584009

申请日：2012-08-13

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

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

IPC: B41J2/04

CPC classification number: B41J2/14233 ,  B41J2002/14411 ,  B41J2202/11

Abstract: There is provided an inkjet print head, including: a first substrate in which a first restrictor and a pressure chamber are formed; and a second substrate in which a manifold, a second restrictor, and a nozzle are formed, wherein the first restrictor is connected to the manifold and the second restrictor, and the second restrictor is connected to the first restrictor and the pressure chamber.

Abstract translation: 提供一种喷墨打印头，包括：形成有第一限流器和压力室的第一基板; 以及第二基板，其中形成有歧管，第二限制器和喷嘴，其中所述第一限流器连接到所述歧管和所述第二限制器，并且所述第二限制器连接到所述第一限制器和所述压力室。

公开(公告)号：US20130050350A1

公开(公告)日：2013-02-28

申请号：US13357164

申请日：2012-01-24

Applicant: Tae Kyung Lee ,  Kyo Yeol Lee ,  Seung Mo Lim

Inventor： Tae Kyung Lee ,  Kyo Yeol Lee ,  Seung Mo Lim

IPC: B41J2/045 ,  H01L41/24 ,  H01L41/187

CPC classification number: B41J2/161 ,  B41J2/1646 ,  H01L41/0973 ,  H01L41/1876 ,  H01L41/314

Abstract: There are provided a piezoelectric device, an inkjet print head, and a method of manufacturing the same. The piezoelectric device includes piezoelectric ceramic powder containing 90 parts by weight or more to less than 100 parts by weight of Pb(Zr, Ti)O3, and more than 0 part by weight to 10 parts by weight or less of glass frit, based on 100 parts by weight of a piezoelectric substance composition for the piezoelectric device, wherein the glass frit contains 10 to 20 parts by weight of ZnO, based on 100 parts by weight of glass frit.

Abstract translation: 提供了压电装置，喷墨打印头及其制造方法。 该压电装置包括压电陶瓷粉末，其包含90重量份以上至小于100重量份的Pb（Zr，Ti）O 3和大于0重量份至10重量份或更少的玻璃料，基于 100重量份的用于压电装置的压电体组合物，其中玻璃料含有10至20重量份的ZnO，基于100重量份的玻璃料。

公开(公告)号：US20120128524A1

公开(公告)日：2012-05-24

申请号：US13270856

申请日：2011-10-11

Applicant: Young Soo CHUN ,  Chong Soo LEE ,  You Hwan LEE ,  Kyung Tae PARK ,  Tae Kyung LEE ,  Sung Hyuk PARK ,  Chan Hee PARK ,  Ji Soo KIM ,  Young Kook LEE

Inventor： Young Soo CHUN ,  Chong Soo LEE ,  You Hwan LEE ,  Kyung Tae PARK ,  Tae Kyung LEE ,  Sung Hyuk PARK ,  Chan Hee PARK ,  Ji Soo KIM ,  Young Kook LEE

IPC: C21D8/06 ,  C22C38/04 ,  C22C38/06 ,  C21D8/00

CPC classification number: C21D6/005 ,  C21D8/065 ,  C21D9/0093 ,  C21D9/54 ,  C22C38/04 ,  C22C38/06

Abstract: Provided are a high-strength, high-manganese steel wire rod having excellent cold heading quality and not requiring spheroidizing and quenching-tempering treatments during manufacturing a bolt and a method of manufacturing a bolt using the steel wire rod. The method of manufacturing a steel wire rod includes heating a steel containing 12 to 25 wt % of Mn within a temperature range of 1100° C. to 1250° C., hot rolling the heated steel within a temperature range of 700° C. to 1100° C., and cooling the hot rolled steel to a temperature of 200° C. or less and cold caliber rolling or drawing to manufacture a steel wire rod.

Abstract translation: 本发明提供一种具有优良的冷镦品质的高强度高锰钢线材，并且在制造螺栓期间不需要球化和淬火回火处理以及使用该钢丝线制造螺栓的方法。 钢线材的制造方法包括在1100℃〜1250℃的温度范围内加热含有12〜25重量％的Mn的钢，将加热后的钢在700℃的温度范围内热轧至 1100℃，将热轧钢冷却至200℃以下的温度，冷口径轧制或拉伸，制造钢丝。

公开(公告)号：US20110279551A1

公开(公告)日：2011-11-17

申请号：US12926868

申请日：2010-12-14

Applicant: Tae Kyung Lee ,  Jae Chang Lee ,  Hwa Sun Lee ,  Yoon Sok Park ,  Sung Wook Kim

Inventor： Tae Kyung Lee ,  Jae Chang Lee ,  Hwa Sun Lee ,  Yoon Sok Park ,  Sung Wook Kim

IPC: B41J2/045

CPC classification number: B41J2/14233 ,  B41J2002/14419 ,  B41J2202/11

Abstract: There is provided an inkjet print head that includes: an inkjet head plate with a plurality of head cells including ink passages where introduced ink is ejected through a nozzle by passing through a pressure chamber; and a piezoelectric actuator formed on the top of the inkjet head plate and formed at a position corresponding to the pressure chamber, wherein the area of at least one of the pressure chamber and the piezoelectric actuator is changed to make ejection characteristics of the ink ejected from the plurality of head cells uniform.

Abstract translation: 提供了一种喷墨打印头，其包括：喷墨头板，其具有包括墨通道的多个头单元，其中引入的墨通过喷嘴通过压力室喷射; 以及压电致动器，其形成在喷墨头板的顶部并且形成在与压力室对应的位置处，其中压力室和压电致动器中的至少一个的面积被改变，以使得从第 多个头细胞均匀。

公开(公告)号：US20110273514A1

公开(公告)日：2011-11-10

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 ,  B23P17/00

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：US08042919B2

公开(公告)日：2011-10-25

申请号：US12722664

申请日：2010-03-12

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：US08002391B2

公开(公告)日：2011-08-23

申请号：US12755474

申请日：2010-04-07

Applicant: Hwa-sun Lee ,  Kyo-yeol Lee ,  Tae-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung

Inventor： Hwa-sun Lee ,  Kyo-yeol Lee ,  Tae-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung

IPC: B41J2/045

CPC classification number: B41J2/14233

Abstract: An inkjet printhead and a method of driving the inkjet printhead include a flow channel substrate having a pressure chamber, and a piezoelectric actuator formed on the flow channel substrate to apply a driving force to the pressure chamber to eject ink. The piezoelectric actuator includes a piezoelectric layer formed on the flow channel substrate to correspond to the pressure chamber, and a plurality of common electrodes and a plurality of driving electrodes alternately arranged in a length direction of the piezoelectric layer.

Abstract translation: 喷墨打印头和驱动喷墨打印头的方法包括：具有压力室的流路基板和形成在流路基板上的压电致动器，用于向压力室施加驱动力以喷射油墨。 压电致动器包括形成在流路基板上以对应于压力室的压电层，以及沿压电层的长度方向交替布置的多个公共电极和多个驱动电极。

公开(公告)号：US07922289B2

公开(公告)日：2011-04-12

申请号：US12041018

申请日：2008-03-03

Applicant: Jae-chang Lee ,  Tae-kyung Lee ,  Tae-woon Cha

Inventor： Jae-chang Lee ,  Tae-kyung Lee ,  Tae-woon Cha

IPC: B41J2/14

CPC classification number: B41J2/1433 ,  B41J2/1606 ,  B41J2/162 ,  B41J2/1626 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631

Abstract: Provided are a nozzle plate of an inkjet printhead and a method of manufacturing the same. The nozzle plate includes: a substrate including a plurality of nozzles; and a plurality of first grooves formed on the surface of a substrate around the nozzles. In this structure, ink remaining on the surface of the nozzle plate can be efficiently removed.

Abstract translation: 提供一种喷墨打印头的喷嘴板及其制造方法。 喷嘴板包括：包括多个喷嘴的基板; 以及形成在所述喷嘴周围的基板的表面上的多个第一凹槽。 在这种结构中，可以有效地去除留在喷嘴板表面上的油墨。

公开(公告)号：US20100308949A1

公开(公告)日：2010-12-09

申请号：US12744930

申请日：2009-03-03

Applicant: Sung Tae Lim ,  Tae Kyung Lee ,  Doo In Kang

Inventor： Sung Tae Lim ,  Tae Kyung Lee ,  Doo In Kang

IPC: H01F27/255 ,  H01F27/24

CPC classification number: H01F17/04 ,  H01F17/0013

Abstract: The present invention relates to a multilayer power inductor in which sheets are charged with a soft magnetic metal alloy powder having a shape optimized along a magnetic path, pattern circuits made from conductive materials are formed on the sheets, and via holes are formed through the sheets to easily connect pattern circuits. The power inductor of the present invention is manufactured by stacking the above-described sheets into multiple layers. The sheets of the inductor of the present invention are charged with soft magnetic metal powder having a high magnetization density, and fine gaps are distributed among the powder the shape of which is optimized along a magnetic path to ensure high current superposition characteristics which allow the use of 1A to several tens of A without causing leakage flux, and ensure stable inductance to a high frequency domain of the 10 MHz band. Further, the present invention is advantageous as it provides an inductor with a thin width, a large area, high inductance and high direct current superposition characteristics.

Abstract translation: 本发明涉及一种多层电力电感器，其中片材充满了具有沿磁路优化的形状的软磁金属合金粉末，由导电材料制成的图案电路形成在片材上，并且通孔形成在片材上 轻松连接图案电路。 本发明的功率电感器通过将上述片层叠成多层来制造。 本发明的电感器的片材充有高磁化密度的软磁金属粉末，并且细小的间隙分布在其形状沿着磁路优化的粉末中，以确保允许使用的高电流叠加特性 1A至几十A，而不会产生漏磁通，并确保10 MHz频段高频域的稳定电感。 此外，本发明是有利的，因为它提供具有薄宽度，大面积，高电感和高直流叠加特性的电感器。

公开(公告)号：US07789494B2

公开(公告)日：2010-09-07

申请号：US11767655

申请日：2007-06-25

Applicant: Young-ki Hong ,  Tae-kyung Lee ,  Jae-woo Chung

Inventor： Young-ki Hong ,  Tae-kyung Lee ,  Jae-woo Chung

IPC: B41J2/045

CPC classification number: B41J2/14233 ,  B41J2/055 ,  B41J2002/14419

Abstract: An inkjet head including a plurality of restrictors to reduce crosstalk. The inkjet head includes a channel plate in which an ink channel is formed, an actuator formed on the channel plate, and an ink-supply bezel including a manifold. The ink channel includes an ink inlet to receive ink from the manifold, reservoirs to store ink received through the ink inlet, chambers filled with ink supplied from the reservoirs, nozzles to eject ink filled in the chambers, first restrictors connecting the reservoirs to the chambers, and second restrictors connecting the reservoirs to the ink inlet. Each of the reservoirs includes a first reservoir and a second reservoir that are separated by a central separation wall, and the separation wall includes a third restrictor connecting the first and second reservoirs. Therefore, crosstalk caused by a back flow of ink and transmission of a pressure wave can be prevented during ejection of ink.

Abstract translation: 一种包括多个限流器以减少串扰的喷墨头。 喷墨头包括其中形成油墨通道的通道板，形成在通道板上的致动器和包括歧管的供墨面板。 油墨通道包括用于从歧管接收油墨的油墨入口，用于储存通过油墨入口容纳的油墨的储存器，填充有从储存器供应的油墨的喷嘴，用于喷射填充在室中的油墨的喷嘴，将储存器连接到室的第一限流器 以及将储存器连接到墨水入口的第二限流器。 每个储存器包括由中央分隔壁分隔的第一储存器和第二储存器，分隔壁包括连接第一和第二储存器的第三限流器。 因此，能够防止油墨的反向流动引起的串扰和压力波的传递。