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    • 116. 发明申请
    • Methods of controlling the morphology of perovskite submicron-sized particles
    • 控制钙钛矿亚微米尺寸颗粒形态的方法
    • US20100129286A1
    • 2010-05-27
    • US12587491
    • 2009-10-06
    • Stanislaus S. WongHongjun Zhou
    • Stanislaus S. WongHongjun Zhou
    • C01G25/02
    • C01G25/00C01P2002/72C01P2004/03C01P2004/04C01P2004/32C01P2004/38C01P2004/61C01P2004/62
    • The present invention includes a method of making a plurality of nanoparticles comprising single crystalline spherical BaZrO3 particles, cubic BaZrO3 particles or a mixture of both. The method comprises: providing a mixture of a barium precursor, a zirconium precursor and a hydroxide salt or hydroxide salts; heating the mixture to an isothermic annealing temperature, wherein the annealing temperature is in a range of from about 470° C. to about 800° C.; annealing the mixture at the isothermic annealing temperature for an annealing time of in a range of about 15 minutes to about 280 minutes; and cooling the mixture at a fixed cooling rate to form the plurality of nanoparticles, wherein the cooling rate is in a range of from about 2° C./minute to about 200° C./minute. The ratio of spherical particles to cubic particles in the plurality is greater if the isothermic annealing temperature is at the higher end of the range; the ratio of spherical particles to cubic particles in the plurality is greater if the annealing time is at the higher end of the range; and the ratio of spherical particles to cubic particles in the plurality is greater if the cooling rate is at the lower end of the range.
    • 本发明包括制造包含单晶球形BaZrO 3颗粒,立方BaZrO 3颗粒或两者的混合物的多种纳米颗粒的方法。 该方法包括:提供钡前体,锆前体和氢氧化物盐或氢氧化物盐的混合物; 将混合物加热到等温退火温度,其中退火温度在约470℃至约800℃的范围内; 在等温退火温度下退火混合物,退火时间为约15分钟至约280分钟; 并以固定的冷却速度冷却混合物以形成多个纳米颗粒,其中冷却速率在约2℃/分钟至约200℃/分钟的范围内。 如果等温退火温度在该范围的较高端,多颗粒中的球形颗粒与立方颗粒的比率更大; 如果退火时间在该范围的较高端,则多个球形颗粒与立方体颗粒的比例更大; 如果冷却速率在该范围的较低端,则多个球形颗粒与立方体颗粒的比例更大。
    • 119. 发明申请
    • Active Fingertip-Mounted Object Digitizer
    • 主动指尖安装对象数字化仪
    • US20090278798A1
    • 2009-11-12
    • US11828463
    • 2007-07-26
    • Young-Seok KimThenkurussi Kesavadas
    • Young-Seok KimThenkurussi Kesavadas
    • G06F3/033
    • G06F3/0346G06F3/011G06F3/014G06F3/016G06F3/017G06F2203/0331
    • A finger-mounted implement including a kinesthetic sensor, at least one tactile sensor, and means for securing the kinesthetic sensor and the at least one tactile sensor to a fingertip. The tactile sensor may be a thin-film force transducer, a piezoelectric accelerometer, or a combination thereof. An artificial fingernail may be connected to the accelerometer. The kinesthetic sensor may include a magnetic transducer and may sense an X-Y-Z position and an angular orientation of a fingertip to which the kinesthetic sensor is secured. The securing means may include at least one means selected from the group consisting of adhesive tape, an elastically deformable cover, and detachable adhesive. The implement can be further connected to a computer processing system for, amongst other things, the virtual representation of sensed objects. The implement can also be used as part of a method of haptic sensing of objects.
    • 一种手指式工具,其包括运动感应传感器,至少一个触觉传感器,以及用于将感觉传感器和至少一个触觉传感器固定到指尖的装置。 触觉传感器可以是薄膜力传感器,压电加速度计或其组合。 人造指甲可以连接到加速度计。 动觉传感器可以包括磁换能器,并且可以感测X-Y-Z位置和固定感觉传感器的指尖的角度定向。 固定装置可以包括从粘合带,可弹性变形的盖和可拆卸粘合剂组成的组中选择的至少一种装置。 该装置可以进一步连接到计算机处理系统,用于除其他之外,感测对象的虚拟表示。 该工具还可以用作触觉感测物体的方法的一部分。