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    • 12. 发明申请
    • MAKING MONOCRYSTALS IN THE FORM OF PLATES BY GROWTH IN A SOLUTION
    • 通过在解决方案中成长形成单板的单晶
    • WO98059097A1
    • 1998-12-30
    • PCT/FR1998/001325
    • 1998-06-24
    • C30B7/00C30B29/14
    • C30B7/00C30B29/14
    • The invention concerns a method for making a monocrystal by growth in a solution from a crystal nucleus supported on a rotating platform immersed in a solution consisting in: orienting the crystal nucleus (53, 54, 55) on the platform (43, 44, 45) along the orientation for the required monocrystal; bringing about the monocrystal (56, 57, 58) growth between the platform (43, 44, 45) and a plane located opposite the platform and at a predetermined distance from the platform, said plane blocking the monocrystal growth in the direction perpendicular to the platform and favouring a lateral growth of the monocrystal in the direction parallel to the platform: proceeding with the monocrystal (56, 57, 58) growth until the required lateral growth is obtained.
    • 本发明涉及通过在支撑在浸在溶液中的旋转平台上的晶核的溶液中生长制备单晶的方法,该溶液包括:将晶核(53,54,55)定向在平台(43,44,45)上 )沿着所需单晶的方向; 导致平台(43,44,45)与位于平台相对并且与平台相距预定距离的平面上的单晶(56,57,58)生长,所述平面阻止垂直于该平台的方向上的单晶生长 平台,并且有利于在平行于平台的方向上单晶的横向生长:进行单晶(56,57,58)生长直到获得所需的横向生长。
    • 13. 发明申请
    • SINGLE CESIUM TITANYL ARSENATE-TYPE CRYSTALS, AND THEIR PREPARATION
    • 单一的TESANYL ARSENATE型晶体及其制备
    • WO9324679A2
    • 1993-12-09
    • PCT/US9304394
    • 1993-05-14
    • DU PONT
    • CHENG LAP KIN
    • G02F1/35C30B9/00C30B9/06C30B29/22G02F1/355
    • C30B9/00C30B29/10C30B29/14
    • A flux process is disclosed for producing a single, orthorhombic crystal of Cs1-xMxTiOAsO4 (where M is Na, K, Rb, and/or T1 and x is from 0 to 0.4) wherein the dimension of the crystal along each axis is at least about 2 mm, and wherein the product at the dimensions along the three axes is at least about 15 mm . The process involves preparing a homogeneous melt containing the components for forming said crystal and a flux comprising oxides of Cs and As at a temperature no higher than the decomposition temperature of said orthorhombic crystal, the mole fraction of M relative to the total Cs+M in the melt being within the range of from 0 to about 0.2; introducing a seed crystal for said single crystal in the melt; activating the controlled crystallization on the seed crystal; and continuing the crystallization until formation of the single crystal is completed. Single crystals of Cs1-xMxTiOAsO4 (including crystals at least about 5 mm x 5 mm 5 mm) are also disclosed.
    • 公开了一种用于生产Cs1-xMxTiOAsO4(其中M是Na,K,Rb和/或T1和x为0至0.4)的单个斜方晶体的焊剂工艺,其中沿着每个轴的晶体的尺寸至少为 约2mm,并且其中沿着三个轴线的尺寸的产品为至少约15mm 3。 该方法包括制备含有用于形成所述晶体的组分的均匀熔体和包含Cs和As的氧化物的焊剂,其温度不高于所述正交晶体的分解温度,M相对于总Cs + M的摩尔分数 熔体在0至约0.2的范围内; 在熔体中引入所述单晶的晶种; 激活晶种上的受控结晶; 并继续结晶,直到完成单晶的形成。 还公开了Cs1-xMxTiOAsO4的单晶(包括至少约5mm×5mm×5mm的晶体)。