利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

7 条记录 (耗时 0.011 秒)

    Methods of identifying and preparing a ceramic material exhibiting an electric field induced strain
    2.
    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.

    Ceramic material comprising a pseudo-cubic phase, a process for preparing and uses of the same
    4.
    发明授权
    Ceramic material comprising a pseudo-cubic phase, a process for preparing and uses of the same 有权

    公开(公告)号：US11078122B2

    公开(公告)日：2021-08-03

    申请号：US16483581

    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： C04B35/475 ,  C04B35/49 ,  H01L41/187 ,  C04B35/626 ,  C04B35/634

    摘要： The present invention relates to a bismuth-based solid solution ceramic material, as well as a process for preparing the ceramic material and uses thereof, particularly in an actuator component employed, for example, in a droplet deposition apparatus. In particular, the present invention relates to a ceramic material having a general chemical formula (I): (I): x(Bi0.5Na0.5)TiO3-y(Bi0.5K0.5)TiO3-z1SrHfO3-z2SrZrO3, wherein x+y+Z1+Z2=1; y, (z1+z2)≠0; x≥0. In embodiments, the present invention also relates to a ceramic material having a general chemical formula (II): x(Bi0.5Na0.5)TiO3-y(Bi0.5K0.5)TiO3-y(Bi0.5K0.5)TiO3-ZiSrHfO3-z2SrZrO3, wherein x+y+z−i+z2=1; x, y, fa+z2)≠0; as well as a ceramic material of general formula (III): y(Bi0.5K0.5)TiO3-z1SrHfO3-z2SrZrO3, wherein y+z1,+z2=1; y, (z1+z2)≠0.

    METHODS OF IDENTIFYING AND PREPARING A CERAMIC MATERIAL EXHIBITING AN ELECTRIC FIELD INDUCED STRAIN
    6.
    发明申请
    METHODS OF IDENTIFYING AND PREPARING A CERAMIC MATERIAL EXHIBITING AN ELECTRIC FIELD INDUCED STRAIN 审中-公开

    公开(公告)号：US20200095169A1

    公开(公告)日：2020-03-26

    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： C04B35/468 ,  H01L41/187 ,  C04B35/475

    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.

    CERAMIC MATERIAL COMPRISING A PSEUDO-CUBIC PHASE, A PROCESS FOR PREPARING AND USES OF THE SAME
    7.
    发明申请
    CERAMIC MATERIAL COMPRISING A PSEUDO-CUBIC PHASE, A PROCESS FOR PREPARING AND USES OF THE SAME 审中-公开

    公开(公告)号：US20200010370A1

    公开(公告)日：2020-01-09

    申请号：US16483581

    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： C04B35/49 ,  H01L41/187 ,  C04B35/626 ,  C04B35/634

    摘要： The present invention relates to a bismuth-based solid solution ceramic material, as well as a process for preparing the ceramic material and uses thereof, particularly in an actuator component employed, for example, in a droplet deposition apparatus. In particular, the present invention relates to a ceramic material having a general chemical formula (I): (I): x(Bi0.5Na0.5)TiO3-y(Bi0.5K0.5)TiO3-z1SrHfO3-z2SrZrO3, wherein x+y+Z1+Z2=1; y, (z1+z2)≠0; x≥0. In embodiments, the present invention also relates to a ceramic material having a general chemical formula (II): x(Bi0.5Na0.5)TiO3-y(Bi0.5K0.5)TiO3-y(Bi0.5K0.5)TiO3-ZiSrHfO3-z2SrZrO3, wherein x+y +z-i+z2=1; x, y, fa+z2)≠0; as well as a ceramic material of general formula (III): y(Bi0.5K0.5)TiO3-z1SrHfO3-z2SrZrO3, wherein y+z1,+z2=1; y, (z1+z2)≠0.