Theoretical Considerations of the Influence of Mechanical Uniaxial Stress on Pixel Readout Circuits
Theoretical Considerations of the Influence of Mechanical Uniaxial Stress on Pixel Readout Circuits
复制标题
机械单轴应力对像素读出电路影响的理论思考
DOI：
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
A. Grabmaier
中科院分区：
文献类型：
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作者：
G. Dogiamis;B. Hosticka;A. Grabmaier
本文从理论上分析了单轴机械应力对像素读出电路的影响。当使用相关双采样电路时，输出端不会出现机械应力对像素内晶体管的影响。然而，机械应力对光电二极管的影响将直接出现在读出链输出。因此，需要补偿技术来克服这种情况。提出了机械应力的仿真技术，并提出了不同的布局和设计建议，以尽量减少应力对电路输出的影响。关键词：机械单轴应力；像素读出电路
In this work the effects of uniaxial mechanical stress on a pixel readout circuit are theoretically analyzed. It is the effects of mechanical stress on the in-pixel transistors do not arise at the output, when a correlated double sampling circuit is used. However, mechanical stress effects on the photodiode will directly appear at the readout chain output. Therefore, compensation techniques are needed to overcome this situation. Moreover simulation technique of mechanical stress is proposed and diverse layout as well as design recommendations are put forward, in order to minimize stress related effects on the output of a circuit. Keywords—mechanical uniaxial stress, pixel readout circuit