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Electrostatic Dispensing of Dry Dielectric Materials

机译:干介电材料的静电分配

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摘要

Dispensing micron-scale dielectric materials can be achieved through the use of dielectrophoresis. Electrodes are designed to create a nonuniform electric field. This method is expected to be applicable for transfer of a wide range of dielectric powders as well as small, shaped components. Small, 150 μm diameter silica spheres, as well as sodium fluorescein powder have been dispensed by this method. Selecting the appropriate electrode geometry and electric field intensity controls the amount collected. As little as 1.0 μg of sodium fluorescein powder, and as much as 16 mg of silica beads have been collected, and repeatability within 10% of the total amount dispensed has been achieved.
机译:可以通过使用介电泳来分配微米级介电材料。电极设计为产生不均匀的电场。预期该方法可适用于多种介电粉末以及小的成形部件的转移。通过这种方法可以分配直径为150μm的小二氧化硅球以及荧光素钠粉末。选择合适的电极几何形状和电场强度可以控制收集的数量。收集到低至1.0μg的荧光素钠粉和多达16 mg的二氧化硅珠,并且可重复性在分配总量的10%之内。

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