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    • 5. 发明申请
    • INK SUCTION APPARATUS
    • 墨水吸收装置
    • US20100053256A1
    • 2010-03-04
    • US12435194
    • 2009-05-04
    • Sung-Nam CHOJae-Woo JoungSung-Il Oh
    • Sung-Nam CHOJae-Woo JoungSung-Il Oh
    • B41J2/165
    • B41J2/16585
    • An ink suction apparatus is disclosed. In accordance with an embodiment of the present invention, the ink suction apparatus, which sucks in residual ink of an inkjet head, includes: a suction nozzle, which sucks in the residual ink; a heater, which is adjacent to the suction nozzle and heats the suction nozzle to prevent the suction nozzle from being blocked by the residual ink; a nozzle cover, which is installed on the suction nozzle and opens and closes the suction nozzle to control sucking power of the suction nozzle; a collection chamber, which collects the residual ink having been sucked into the suction nozzle; and a suction pump, which generates sucking power and provides the sucking power to the suction nozzle. The ink suction apparatus can prevent a suction nozzle from being blocked when sucking in hyper-viscous residual ink and control the sucking power of the suction nozzle by controlling the suction nozzle's opening and closing.
    • 公开了一种吸墨装置。 根据本发明的实施例,吸入喷墨头的残留墨水的吸墨装置包括:吸入残留墨水的吸嘴; 加热器,其与吸嘴相邻并加热吸嘴以防止吸嘴被残留的墨水阻挡; 喷嘴盖,其安装在吸嘴上并打开和关闭吸嘴以控制吸嘴的吸力; 收集室,其收集已经吸入吸嘴的残留墨; 以及抽吸泵,其产生吸引力并将吸力提供给吸嘴。 吸墨装置可以防止在吸入高粘度残留墨水时吸入吸嘴被堵塞,并且通过控制吸嘴的打开和关闭来控制吸嘴的吸引力。
    • 9. 发明申请
    • Metal nanoparticles and method for manufacturing thereof
    • 金属纳米粒子及其制造方法
    • US20070056402A1
    • 2007-03-15
    • US11520731
    • 2006-09-14
    • Sung-Nam ChoSung-II OhHye-Jin Cho
    • Sung-Nam ChoSung-II OhHye-Jin Cho
    • B22F9/24
    • B22F1/0018B22F1/0014B22F9/24B82Y30/00C09D11/30
    • The present invention provides a method of producing metal nanoparticles, having a high yield rate and uniform size achieved by employing a heterologous reducing agent that considerably reduces unreactant, and using ethylene glycol that allows effective separation of desired metal nanoparticles. In addition, the present invention provides metal nanoparticles having high dispersion stability achieved by capping with polyvinyl pyrrolidone(PVP) and conductive ink including these metal nanoparticles. One aspect of the invention may provide a method of producing nanoparticles comprising, (a) mixing ethylene glycol, capping molecules and a reducing agent, (b) mixing a metal precursor with alcohol-based compound and reacting it with the mixture of (a), and (c) finishing the reaction by adding acetone and ethylene glycol to the reaction solution (b).
    • 本发明提供一种生产金属纳米粒子的方法,其具有高的产率和均匀的尺寸,其通过使用显着减少未反应物的异源还原剂和使用允许有效分离所需金属纳米粒子的乙二醇来实现。 此外,本发明提供了通过用聚乙烯吡咯烷酮(PVP)和包含这些金属纳米颗粒的导电油墨进行封端而实现的具有高分散稳定性的金属纳米颗粒。 本发明的一个方面可以提供一种生产纳米颗粒的方法,其包括(a)混合乙二醇,封端分子和还原剂,(b)将金属前体与醇基化合物混合并使其与(a) ,和(c)通过向反应溶液(b)中加入丙酮和乙二醇来完成反应。