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    • 8. 发明授权
    • Thermal ink jet printhead and process for the preparation thereof
    • 热喷墨打印头及其制备方法
    • US06260956B1
    • 2001-07-17
    • US09120746
    • 1998-07-23
    • Ram S. NarangGary A. KneezelBidan ZhangAlmon P. FisherTimothy J. Fuller
    • Ram S. NarangGary A. KneezelBidan ZhangAlmon P. FisherTimothy J. Fuller
    • B41J204
    • B41J2/1635B41J2/1604B41J2/1623B41J2/1628B41J2/1629B41J2/1631B41J2/1632B41J2/1642B41J2/1645B41J2002/14362
    • Disclosed is an ink jet printhead which comprises (i) an upper substrate with a set of parallel grooves for subsequent use as ink channels and a recess for subsequent use as a manifold, the grooves being open at one end for serving as droplet emitting nozzles, and (ii) a lower substrate in which one surface thereof has an array of heating elements and addressing electrodes formed thereon, said lower substrate having an insulative layer deposited on the surface thereof and over the heating elements and addressing electrodes and patterned to form recesses therethrough to expose the heating elements and terminal ends of the addressing electrodes, the upper and lower substrates being aligned, mated, and bonded together to form the printhead with the grooves in the upper substrate being aligned with the heating elements in the lower substrate to form droplet emitting nozzles, said upper substrate comprising a material formed by crosslinking or chain extending a polymer of formula I or II.
    • 公开了一种喷墨打印头,其包括(i)具有一组平行凹槽以用于随后用作油墨通道的上基板和用于随后用作歧管的凹槽,所述凹槽在一端开口以用作液滴发射喷嘴, 和(ii)下基板,其中一个表面具有形成在其上的加热元件和寻址电极的阵列,所述下基板具有沉积在其表面上的绝热层,并且在加热元件和寻址电极之上并且被图案化以形成通过其中的凹槽 为了露出寻址电极的加热元件和末端,上基板和下基板对准,配合和结合在一起以形成打印头,上基板中的凹槽与下基板中的加热元件对准以形成液滴 所述上基板包括通过交联或链延长式I或II的聚合物形成的材料。