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Design method of active multichannel silicon neural microelectrode

机译:活性多通道硅神经微电极的设计方法

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The objective of this paper is to find a method to design an active multichannel silicon microelectrode which is used tomeasure the neural signal. A circuit model when measuring the neural signal using the silicon microelectrode is proposed based on the structure and fabrication process of the microelectrode. The method of determining the dimensional parameters of the probe shank is discussed in the following three aspects: the structure of pallium and endocranium, efficient, coupled interconnects noise and strength characteristic of neural probe. The design criterion is to minimize the size of the neural probe and increase its stiffness to pierce the endocranium. The on-chip unity-gain bandpass amplifier has an overall gain of 40 over a bandwidth from 60Hz to 10 kHz; an input loadits resistance is designed to be above 30M(OMEGA) to guarantee a cutoff frequency below 100 Hz.
机译:本文的目的是找到一种设计有源多通道硅微电极的方法,该微电极用于可释放神经信号。基于微电极的结构和制造过程,提出了使用硅微电极测量神经信号的电路模型。在以下三个方面讨论了确定探针柄的尺寸参数的方法:钯和内腔的结构,高效,耦合互连的神经探针的强度特性。设计标准是最小化神经探针的尺寸,并增加其刚度以刺穿内腔。片上单位增益带通放大器在60Hz至10kHz的带宽上的总增益为40;输入负载电阻设计为高于30M(OMEGA),以确保截止频率低于100Hz。

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