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针对云计算环境下的数据安全与隐私保护问题,提出相应的解决方案,以促进云计算技术的进一步发展。具体目标包括了解云计算环境下数据安全和隐私保护面临的挑战,分析现有的安全与隐私保护技术,探讨改进和优化的方向,并提出有效的数据安全与隐私保护策略。 相似文献
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电力静电感应晶体管大电压特性的改善 总被引:3,自引:2,他引:1
A novel structure for designing and fabricating a power static induction transistor(SIT)with excellent high breakdown voltage performance is presented.The active region of the device is designed to be surrounded by a deep trench to cut off the various probable parasitical effects that may degrade the device performance,and to avoid the parallel-current effect in particular.Three ring-shape junctions(RSJ)are arranged around the gate junction to reduce the electric field intensity.It is important to achieve maximum gate–source breakdown voltage BVGS, gate–drain breakdown voltage BVGD and blocking voltage for high power application.A number of technological methods to increase BVGD and BVGS are presented.The BVGS of the power SIT has been increased to 110 V from a previous value of 50–60 V,and the performance of the power SIT has been greatly improved.The optimal distance between two adjacent ring-shape junctions and the trench depth for the maximum BVGS of the structure are also presented. 相似文献
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