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    • 8. 发明申请
    • PRINTHEAD INCLUDING CHANNELS MADE FROM PHOTOIMAGEABLE MATERIALS
    • 包括从光电材料制成的通道
    • WO2008048447A3
    • 2008-11-13
    • PCT/US2007021635
    • 2007-10-10
    • EASTMAN KODAK COSEXTON RICHARD W
    • SEXTON RICHARD W
    • B41J2/16B41J2/14
    • B41J2/14032B41J2/14104B41J2/1603B41J2/1631B41J2/1639
    • A method of forming ink channels (45) upon a substrate (14) having actuators has a first layer (44) of uncured photoresist material of a first type deposited onto the substrate. The first type of photoresist material is exposed to form cured and uncured areas wherein the uncured areas comprise the ink channels with orifices (40) from which ink is to be ejected. A second layer (46) of photoresist material of a second type is deposited over the cured and uncured areas of the first type of photoresist material and then exposed to provide uncured areas representing the orifices (41) from which the ink is to be ejected and cured areas comprising channel walls for the ink channels. The second layer is developed with a first developer suitable for developing the second layer but not suitable for developing the first layer. The first layer is developed with a second developer suitable for developing the first layer but not suitable for developing the second layer. The undeveloped material in the first layer is removed to form the ink channels with orifices.
    • 在具有致动器的基板(14)上形成油墨通道(45)的方法具有沉积在基板上的第一类型的未固化的光致抗蚀剂材料的第一层(44)。 第一种类型的光致抗蚀剂材料暴露以形成固化和未固化的区域,其中未固化的区域包括具有喷射墨水的孔口(40)的墨水通道。 将第二类型的光致抗蚀剂材料的第二层(46)沉积在第一类型的光致抗蚀剂材料的固化和未固化的区域上,然后暴露以提供表示要喷射墨水的孔(41)的未固化区域, 固化区域包括用于油墨通道的通道壁。 第二层用适合于显影第二层但不适于显影第一层的第一显影剂显影。 第一层用适于显影第一层但不适于显影第二层的第二显影剂显影。 去除第一层中未显影的材料以形成具有孔的油墨通道。