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Electrostatic methods and apparatus for mounting and demounting particles from asurface having an array of tacky and non-tacky areas
Electrostatic methods and apparatus for mounting and demounting particles from asurface having an array of tacky and non-tacky areas
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机译:用于从具有一系列发粘和非发粘区域的表面上安装和拆卸颗粒的静电方法和设备
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摘要
Methods and associated apparatus are disclosed for use in mounting particles on and de-mounting particles from a substrate having an array of tacky and non-tacky areas. The particles can be either electrically conducting or electrically non-conducting. Selection of electrically conducting particles is preferred. The substrate having an array of tacky and non-tacky areas can either be electrically non-conducting (e.g., a dielectric substrate) or electrically-conducting. The methods involve use of first and second electrode plates with the substrate therebetween, the plates having applied thereto a direct current potential, which potential in preferred embodiments is reversed in polarity for a number N of cycles. Methods and articles are disclosed using an electrically conductive surface adjacent the tacky and non-tacky areas to minimize static buildup on the particles and tacky and non-tacky areas.
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