Piezoelectric inkjet printheads and methods for monolithically forming the same
    61.
    发明授权
    Piezoelectric inkjet printheads and methods for monolithically forming the same 有权
    压电喷墨打印头及其整体成型方法

    公开(公告)号:US08608291B2

    公开(公告)日:2013-12-17

    申请号:US13191558

    申请日:2011-07-27

    申请人: Yimin Guan Eunki Hong

    发明人: Yimin Guan Eunki Hong

    IPC分类号: B41J2/045

    摘要: A piezoelectric inkjet printhead is monolithically fabricated on a substrate. The printhead includes a plurality of cavities formed into the substrate, piezoelectric actuators disposed over the top of the cavities, a fluidic structure and an ink supply channel. The piezoelectric actuators are formed over the cavities using a sacrificial material which fills the cavities and is removed after the actuators are formed. The fluidic structure defines pressurizing chambers and channels connected to the ink supply channel. The fluidic structure has a plurality of nozzle holes formed on the top surface. The cavities are connected to either a venting channel formed from the backside of the substrate or a venting chamber formed inside the fluidic structures.

    摘要翻译: 压电喷墨打印头被单片地制造在基板上。 打印头包括形成在基板中的多个空腔,设置在空腔顶部的压电致动器,流体结构和供墨通道。 使用填充空腔的牺牲材料在空腔上形成压电致动器,并且在致动器形成之后被移除。 流体结构限定了连接到供墨通道的加压室和通道。 流体结构具有形成在顶表面上的多个喷嘴孔。 空腔连接到从基板的背面形成的排气通道或形成在流体结构内部的排气室。

    METHOD FOR PRODUCING PIEZOELECTRIC THIN-FILM ELEMENT, PIEZOELECTRIC THIN-FILM ELEMENT, AND MEMBER FOR PIEZOELECTRIC THIN-FILM ELEMENT
    68.
    发明申请
    METHOD FOR PRODUCING PIEZOELECTRIC THIN-FILM ELEMENT, PIEZOELECTRIC THIN-FILM ELEMENT, AND MEMBER FOR PIEZOELECTRIC THIN-FILM ELEMENT 有权
    压电薄膜元件生产方法,压电薄膜元件和压电薄膜元件的组件

    公开(公告)号:US20130127293A1

    公开(公告)日:2013-05-23

    申请号:US13748687

    申请日:2013-01-24

    IPC分类号: H01L41/08

    摘要: Provided is a method for producing a piezoelectric thin-film element including a piezoelectric thin-film layer having good surface morphology and high crystallinity. The method includes forming a lower electrode layer on a substrate; forming a piezoelectric thin-film buffer layer on the lower electrode layer at a relatively low film-formation temperature; forming a piezoelectric thin-film layer on the piezoelectric thin-film buffer layer at a film-formation temperature that is higher than the film-formation temperature for the piezoelectric thin-film buffer layer; and forming an upper electrode layer on the piezoelectric thin-film layer.

    摘要翻译: 提供一种包括具有良好的表面形态和高结晶度的压电薄膜层的压电薄膜元件的制造方法。 该方法包括在基板上形成下电极层; 在较低的成膜温度下在下电极层上形成压电薄膜缓冲层; 在压电薄膜缓冲层上形成压电薄膜层,其成膜温度高于压电薄膜缓冲层的成膜温度; 以及在所述压电薄膜层上形成上电极层。