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    • 57. 发明授权
    • Inkjet printhead and method of manufacturing the same
    • 喷墨打印头及其制造方法
    • US08162440B2
    • 2012-04-24
    • US12575087
    • 2009-10-07
    • Sung-Joon ParkMyong-Jong KwonJin-Wook LeeYoung-Ung Ha
    • Sung-Joon ParkMyong-Jong KwonJin-Wook LeeYoung-Ung Ha
    • B41J2/14
    • B41J2/14129B41J2/1603B41J2/1623B41J2/1628B41J2/1629B41J2/1631B41J2/1632B41J2/1639B41J2/1645B41J2/1646Y10T29/49401
    • Provided are an inkjet printhead and a method of manufacturing the same. The inkjet printhead includes: a substrate including an ink feed hole; a chamber layer formed on the substrate and including a plurality of ink chambers in which ink supplied from the ink feed hole may be filled; and a nozzle layer formed on the chamber layer and including a plurality of nozzles through which ink may be ejected, wherein the chamber layer and the nozzle layer are respectively formed of cured products of a first negative photoresist composition and a second negative photoresist composition, wherein the first negative photoresist composition and the second negative photoresist composition include a bisphenol-A novolac epoxy resin represented by Formula 1; at least one epoxy resin selected from a first epoxy resin represented by Formula 2, and a second epoxy resin represented by Formula 3; a cationic photoinitiator; and a solvent.
    • 提供一种喷墨打印头及其制造方法。 喷墨打印头包括:包括供墨孔的基板; 形成在所述基板上并且包括可以填充从所述供墨孔供应的墨的多个墨室的腔室层; 以及喷嘴层,其形成在所述室层上并且包括可以喷射墨的多个喷嘴,其中所述室层和所述喷嘴层分别由第一负性光致抗蚀剂组合物和第二负性光致抗蚀剂组合物的固化产物形成,其中 第一负性光致抗蚀剂组合物和第二负性光致抗蚀剂组合物包含由式1表示的双酚A酚醛清漆环氧树脂; 至少一种选自由式2表示的第一环氧树脂的环氧树脂和由式3表示的第二环氧树脂; 阳离子光引发剂; 和溶剂。