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High sensitive and rapid responsive n-type Si: Au sensor for monitoring breath rate

High sensitive and rapid responsive n-type Si: Au sensor for monitoring breath rate
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摘要 125 μm-breath sensor with high sensitivity and rapid response was prepared by using n-type Si: Au material. Its sensitivity coefficient and time constant were 4 V.sec / L and 38 msec, respec-tively. Its working principle was based on ano- malous resistance effect, which not only increa- sed the sensitivity, but also reduced its time con-stant greatly. Its signal processing system can select the breath signals and work stably. Therefore, the small changes of breath system can be measured and, especially, patient’s breath rate can be monitored at a distance. 125 μm-breath sensor with high sensitivity and rapid response was prepared by using n-type Si: Au material. Its sensitivity coefficient and time constant were 4 V.sec / L and 38 msec, respec-tively. Its working principle was based on ano- malous resistance effect, which not only increa- sed the sensitivity, but also reduced its time con-stant greatly. Its signal processing system can select the breath signals and work stably. Therefore, the small changes of breath system can be measured and, especially, patient’s breath rate can be monitored at a distance.
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出处 《Natural Science》 2010年第10期1057-1060,共4页 自然科学期刊(英文)
关键词 BREATH SENSOR Signal processing system Deep IMPURITY ANOMALOUS resistance effect Breath sensor Signal processing system Deep impurity Anomalous resistance effect
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