共查询到11条相似文献,搜索用时 62 毫秒
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以高性能的金属诱导单一方向横向晶化多晶硅薄膜晶体管(MIUC poly-Si TFT)为基础,研制出性能能满足AM-LCD和AM-OLED要求、版图和象素尺寸适配、制备工艺和象素电路兼容的多晶硅TFT行扫描和列驱动电路.该行扫描电路工作电压为3.5-10V;当工作电压为5V、负载电容为22pf时,下降沿约为150ns,上升沿约为205ns,最高工作频率在1MHz以上;列驱动电路工作电压为3.5-8V;当工作电压为5V、负载电容为22pf时,上升沿约为200ns,信号衰减率为15%(64μs扫描周期),最高工作频率达到4MHz.将该MIUC poly-Si TFT多晶硅行扫描、列驱动电路和有源选址电路集成到同一基板上,制备出象素数为80×RGB×60、动态显示效果良好的全集成型LCD屏样品. 相似文献
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外加电场对金属诱导非晶硅横向结晶的影响 总被引:1,自引:0,他引:1
综述了Al和Ni在外加直流电场以及Cu在交流电场作用下诱导非晶硅(a-Si)薄膜横向结晶的特点和机理.研究了外加电场对金属诱导a-Si薄膜横向结晶的诸多影响因素,如场强及分布等.结果表明,相对于无电场时,适当3强度的电场可显著加快金属诱导横向结晶的速率,场强超过某一临界值则降低该速率,并基于电迁移效应作了较好的解释.对Cu诱导a-Si薄膜横向结晶,在同样条件下,直交流混合电场比单纯的直流电场能引发更高的结晶速率. 相似文献
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We investigate how F exposure impacts the hot-carrier degradation in deep submicron NMOSFET with different technologies and device geometries for the first time. The results show that hot-carrier degradations on irradiated devices are greater than those without irradiation, especially for narrow channel device. The reason is attributed to charge traps in STI, which then induce different electric field and impact ionization rates during hotcarrier stress. 相似文献
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为了研究总剂量辐射对纳米MOS晶体管热载流子效应的影响,对65 nm 体硅工艺的NMOS器件进行了总剂量辐射和热载流子试验,对比了辐射前后不同宽长比器件的跨导、栅极泄漏电流、线性饱和电流等电参数。结果表明,MOS器件的沟道宽度越窄,热载流子效应受辐射的影响越显著,总剂量辐射后热载流子效应对器件的损伤增强。分析认为,辐射在STI中引入的陷阱电荷是导致以上现象的主要原因。该研究结果为辐射环境下器件的可靠性评估提供了依据。 相似文献
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通过模拟和实验研究了不同的halo注入角度的NMOSFET,研究发现halo的注入角度越大,热载流子效应的退化越严重。考虑到由于热载流子的注入造成栅氧化层损伤,使器件可靠性变差,halo注入时应该采用小的倾角注入。 相似文献
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Zhen Zhu 《Solid-state electronics》2011,62(1):62-66
Mechanisms of thermally generated leakage current have been systematically studied for metal-induced laterally crystallized n-type polycrystalline silicon thin film transistors under the hot-carrier stress. Various mechanisms of thermally generated leakage current are identified by both forward and reverse modes. The decrease of thermally generated leakage current is attributed to the depletion region modulation effect, which results from its shrinkage. While the increase of thermally generated leakage current is caused by the increase of the donor trap density, its increment relative to the initial one follows the Schottky model in the forward mode. Overall, the depletion region modulation effect dominates and the thermally generated leakage current decreases. 相似文献