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    Methods of identifying and preparing a ceramic material exhibiting an electric field induced strain
    1.
    发明授权
    Methods of identifying and preparing a ceramic material exhibiting an electric field induced strain 有权

    公开(公告)号：US11124456B2

    公开(公告)日：2021-09-21

    申请号：US16483604

    申请日：2018-02-02

    申请人： David Cann ,  Brady Gibbons ,  Peter Mardilovich

    发明人： David Cann ,  Brady Gibbons ,  Peter Mardilovich

    IPC分类号： C04B35/46 ,  C04B35/468 ,  C04B35/475 ,  H01L41/187

    摘要： The present invention relates to a method for identifying a solid solution ceramic material of a plurality of perovskite compounds which exhibits an electric field induced strain derived from a reversible phase transition, as well as a method for making such ceramic materials and ceramic materials obtainable therefrom. In particular, the present invention is directed to a method of identifying a solid solution ceramic material of at least three perovskite compounds which exhibits an electric field induced strain derived from a reversible phase transition; said method comprising the steps of: i) determining a molar ratio of at least one tetragonal perovskite compound to at least one non-tetragonal perovskite compound which, when combined to form a solid solution, provides a ceramic material comprising a major portion of a tetragonal phase having an axial ratio c/a of greater than 1.005 to 1.04; and ii) determining a molar ratio of at least one additional non-tetragonal perovskite compound to the combination of perovskite compounds from step i) at the determined molar ratio which, when combined to form a solid solution, provides a ceramic material comprising a major portion of a pseudo-cubic phase having an axial ratio c/a of from 0.995 to 1.005 and/or a rhombohedral angle of 90±0.5 degrees.

    DROPLET DEPOSITION HEAD AND ACTUATOR COMPONENT THEREFOR
    2.
    发明申请
    DROPLET DEPOSITION HEAD AND ACTUATOR COMPONENT THEREFOR 审中-公开

    公开(公告)号：US20200009866A1

    公开(公告)日：2020-01-09

    申请号：US16334258

    申请日：2016-10-05

    申请人： Robert Errol MCMULLEN ,  Peter MARDILOVICH ,  Peter BOLTRYK

    发明人： Robert Errol MCMULLEN ,  Peter MARDILOVICH ,  Peter BOLTRYK

    IPC分类号： B41J2/14

    摘要： actuator component for a droplet deposition head made up of a number of patterned layers, each layer extending in a plane normal to a layering direction, with the layers being stacked one upon another in said layering direction. A row of fluid chambers is formed within the layers, with the row extending in a row direction, which is substantially perpendicular to the layering direction. Each fluid chamber is provided with a respective nozzle and a respective actuating element, which is actuable to cause the ejection of fluid from the chamber in question through the corresponding one of the nozzles. A row of inlet passageways is also formed within the layers of the actuator component, with the row extending in the row direction. Each inlet passageway is fluidically connected so as to supply fluid to a respective one of said fluid chambers. In some embodiments, either a row of outlet passageways or a second row of inlet passageways is additionally formed within the layers; in either case, such row extends in the row direction. Where outlet passageways are present, each is fluidically connected so as to receive fluid from a respective one of said fluid chambers. At least one of the rows of passageways is staggered, whereby at least some of the members of the staggered row in question are offset from their neighbours in an offset direction for the staggered row in question that is perpendicular to the row direction. The row of fluid chambers may also be staggered.

    Method of forming a nano-structure
    3.
    发明授权
    Method of forming a nano-structure 有权
    形成纳米结构的方法

    公开(公告)号：US09410260B2

    公开(公告)日：2016-08-09

    申请号：US13822062

    申请日：2010-10-21

    申请人： Peter Mardilovich ,  Qingqiao Wei ,  Anthony M. Fuller

    发明人： Peter Mardilovich ,  Qingqiao Wei ,  Anthony M. Fuller

    IPC分类号： C25D11/12 ,  C25D11/34 ,  C25D5/02 ,  B81C1/00 ,  C25D11/04 ,  B82Y30/00 ,  B82Y40/00 ,  B82Y20/00

    CPC分类号： C25D5/022 ,  B81B2203/0361 ,  B81C1/00031 ,  B81C2201/0114 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  C25D11/045 ,  C25D11/12 ,  C25D11/34

    摘要： A method of forming a nano-structure involves forming a multi-layered structure including an oxidizable material layer established on a substrate, and another oxidizable material layer established on the oxidizable material layer. The oxidizable material layer is an oxidizable material having an expansion coefficient, during oxidation, that is more than 1. Anodizing the other oxidizable material layer forms a porous anodic structure, and anodizing the oxidizable material layer forms a dense oxidized layer and nano-pillars which grow through the porous anodic structure into pores thereof. The porous structure is selectively removed to expose the nano-pillars. A surface (I) between the dense oxidized layer and a remaining portion of the oxidizable material layer is anodized to consume a substantially cone-shaped portion of the nano-pillars to form cylindrical nano-pillars.

    摘要翻译： 形成纳米结构的方法包括形成包括建立在基板上的可氧化材料层的多层结构和在可氧化材料层上建立的另一可氧化材料层。 可氧化材料层是在氧化期间具有膨胀系数的可氧化材料，其大于1.阳极氧化其它可氧化材料层形成多孔阳极结构，阳极氧化可氧化材料层形成致密氧化层和纳米柱 通过多孔阳极结构生长成孔。 选择性地去除多孔结构以暴露纳米柱。 氧化层和氧化物层的剩余部分之间的表面（I）被阳极氧化以消耗纳米柱的大致锥形部分以形成圆柱形纳米柱。

    METHOD OF FORMING A NANO-STRUCTURE
    9.
    发明申请
    METHOD OF FORMING A NANO-STRUCTURE 有权
    形成纳米结构的方法

    公开(公告)号：US20130175177A1

    公开(公告)日：2013-07-11

    申请号：US13822062

    申请日：2010-10-21

    申请人： Peter Mardilovich ,  Qingqiao Wei ,  Anthony M. Fuller

    发明人： Peter Mardilovich ,  Qingqiao Wei ,  Anthony M. Fuller

    IPC分类号： C25D5/02

    CPC分类号： C25D5/022 ,  B81B2203/0361 ,  B81C1/00031 ,  B81C2201/0114 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  C25D11/045 ,  C25D11/12 ,  C25D11/34

    摘要： A method of forming a nano-structure (100′) involves forming a multi-layered structure (10) including an oxidizable material layer (14) established on a substrate (12), and another oxidizable material layer (16) established on the oxidizable material layer (14). The oxidizable material layer (14) is an oxidizable material having an expansion coefficient, during oxidation, that is more than 1. Anodizing the other oxidizable material layer (16) forms a porous anodic structure (16′), and anodizing the oxidizable material layer (14) forms a dense oxidized layer (14′) and nano-pillars (20) which grow through the porous anodic structure (16′) into pores (18) thereof. The porous structure (16′) is selectively removed to expose the nano-pillars (20). A surface (I) between the dense oxidized layer (14′) and a remaining portion of the oxidizable material layer (14) is anodized to consume a substantially cone-shaped portion (32) of the nano-pillars (20) to form cylindrical nano-pillars (20′).

    摘要翻译： 形成纳米结构（100'）的方法包括形成包括建立在基板（12）上的可氧化材料层（14）的多层结构（10），以及建立在可氧化的材料层（16）上的另一可氧化材料层 材料层（14）。 可氧化材料层（14）是在氧化期间具有大于1的膨胀系数的可氧化材料。阳极氧化其它可氧化材料层（16）形成多孔阳极结构（16'），并阳极氧化可氧化材料层 （14）形成致密氧化层（14'）和通过多孔阳极结构（16'）生长成其孔隙（18）的纳米柱（20）。 选择性地去除多孔结构（16'）以暴露纳米柱（20）。 密集氧化层（14'）和可氧化材料层（14）的剩余部分之间的表面（I）被阳极氧化以消耗纳米柱（20）的大致锥形部分（32），以形成圆柱形 纳米柱（20'）。