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Economical, Customizable & Simple - Printed Piezos For Wearables & Vital Parameter Monitoring

Speaker: Jonas Groten | Company: Joanneum Research | Date: 13-14 October 2021 | Full Presentation

The measurement of physiological signals using skin attached sensors have raised a lot of interest in the recent years. The printing of electronics on stretchable patch substrates in combination with low power wireless data transmission allows the continuous recording of medical data in everyday environments and thus represents a significant improvement for patient monitoring compared to medical laboratories or hospitals. A successful realization of such skin patches depends on many factors such as wearing comfort, reliability of the stretchable electronics and sensors, low power consumption as well as sensitivity and selectivity of the applied sensor materials. In this presentation, the possibilities of the printable piezoelectric polymer P(VDF-TrFE) for recording various physiological parameters (respiratory rate, pulse, blood pressure) are presented. I will show that the piezoelectric materials can also be used for energy self-sufficient monitoring thanks to piezoelectric energy harvesting. In addition, the realization of sensors and energy harvesters on ultrathin substrates and the development of a low-cost and reliable stretchable silver ink further improves the wearing comfort and commercial attractiveness of the presented sensor patches.

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