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    • 19. 发明申请
    • Method of manufacturing nozzle plate and inkjet head
    • 制造喷嘴板和喷墨头的方法
    • US20110041336A1
    • 2011-02-24
    • US12926053
    • 2010-10-22
    • Won-Chul SimJae-Woo JoungYoung-Jae Kim
    • Won-Chul SimJae-Woo JoungYoung-Jae Kim
    • B23P17/00
    • B41J2/162B41J2/1606B41J2/161B41J2/1623B41J2/1628B41J2/1629B41J2/1631B41J2/1643Y10T29/49401
    • A method of manufacturing a nozzle plate, that includes: forming a nozzle by selectively etching one side of a plate substrate; forming a straight portion connecting with the nozzle by selectively etching the other side of the plate substrate; and forming a hydrophobic layer on the one side of the plate substrate, wherein the hydrophobic layer has a window formed therein, the window opening the nozzle by a circumference greater than a circumference of an end of the nozzle. In a further embodiment, a method of manufacturing an inkjet head includes: forming an inlet and a pressure chamber in an upper substrate, the inlet penetrating the upper substrate and providing a passage for an inflow of ink, and the pressure chamber formed as a recess in one side of the upper substrate; forming a manifold and an ink channel in a middle substrate, the manifold configured to be connected with the inlet, and the ink channel penetrating the middle substrate and configured to be connected with the pressure chamber; forming a straight portion and a nozzle in a plate substrate, the straight portion configured to be connected with the ink channel, and the nozzle connected with the straight portion; forming a hydrophobic layer on one side of the plate substrate, the hydrophobic layer having a window formed therein, and the window opening the nozzle by a circumference greater than a circumference of an end of the nozzle; and stacking in order and attaching the upper substrate, the middle substrate, and the plate substrate.
    • 一种制造喷嘴板的方法,包括:通过选择性地蚀刻板基板的一侧来形成喷嘴; 通过选择性地蚀刻板基板的另一侧,形成与喷嘴连接的直线部分; 以及在所述板基板的一侧上形成疏水层,其中所述疏水层具有形成在其中的窗口,所述窗口以大于所述喷嘴端部的圆周的周长打开所述喷嘴。 在另一实施例中,制造喷墨头的方法包括:在上基板中形成入口和压力室,入口穿透上基板并提供用于墨入口的通道,压力室形成为凹槽 在上基板的一侧; 在中间基板中形成歧管和墨水通道,所述歧管构造成与所述入口连接,并且所述墨水通道穿过所述中间基板并被构造成与所述压力室连接; 在平板基板上形成直线部分和喷嘴,所述直线部分构造成与所述墨水通道连接,所述喷嘴与所述直线部分连接; 在所述板基板的一侧上形成疏水层,所述疏水层具有形成在其中的窗口,所述窗口以大于所述喷嘴端部周长的圆周打开所述喷嘴; 并按顺序堆叠并连接上基板,中间基板和板基板。