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电子墨水微胶囊及电泳显示原型器件的制备 总被引:11,自引:0,他引:11
TiO2 particles coated with polystyrene which were prepared via in situ polymerization and oil green dye were dispersed in tetrachloroethylene and xylene, the mixture came to be electrophoretic ink and was encapsulated in to microcapsules by complex coacervation from gelatin and a hydrolyzed copolymer of styrene and maleic anhydride(SMA). It was demonstrated that the membranes of the microcapsules were formed from nano sized coacervate droplets resulting from gelation and hydrolyzed SMA, which leads to a compact membrane structure. Microcapsules were characterized in terms of microstructure, morphologies by scanning electron microscopy(SEM). Electrophoretic display prototype was prepared by coating electrophoretic ink microcapsules slurry on ITO glass with nearly single layer and sealed by UV curable adhesires. The characters “Zheda” in Chinese was firstly displayed at a low volt 9 V D. C.. 相似文献
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红外激光与微水束耦合划切技术是激光划切应用的前沿领域,在硅晶圆、宝石、陶瓷等材料高精度切割方面具有优势,有效地减小了材料的热损伤和熔渣残留。红外激光束与微水束的耦合对准是研究的关键技术。为保证微水束光纤与激光光束耦合的效果,本文设计了高精度三维耦合对准调整结构,结构主要由准直聚焦光路系统、微孔CCD观测系统、二维微位移平台、耦合装置组成;研究了汇聚激光焦平面与微水束起始端(喷口元件)共面调整的关键工艺和激光光束与喷口元件对准的关键工艺;提出了借助屏幕十字线实现两次对准的工艺方法。经试验验证,微水束耦合激光长度稳定,质量良好,可实现对硅基衬底晶圆等材料的高效无损、高精密划切。 相似文献
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