Flexible capacitive based sensor for medical monitoring applications.
Download as PPTX, PDF0 likes119 views
The document discusses the development and applications of flexible capacitive-based sensors for medical monitoring, highlighting their advantages such as portability, accuracy, and compatibility with the human body. It compares synthesis and fabrication approaches in sensor design and emphasizes multifunctional capabilities that allow detection of various signals. Key applications include wearable electronics that integrate multiple sensing components into a single device, improving health monitoring capabilities.
Flexible capacitive based sensor for medical monitoring applications.
- 1. Flexible capacitive based sensor for medical monitoring applications. School of engineering Science and technology University of Hyderabad Presented by Mohammad Azam
- 2. Outline Objectives Why flexible sensors? Why Capacitive based sensors ? Working principle Designing Approach Difference between synthesis and fabrication approach. Applications Conclusion References
- 3. To understand and working principle of flexible based capacitive sensors. Designing approach of capacitive based sensors. Application of capacitive based sensors in medical. Objectives WHAT WE WANT TO ACHIEVE
- 4. Why flexible sensors? Better accuracy Portable Compatible with body part Fast response Transparent option available Complicated structured is possible to design
- 5. Why Capacitive based sensors ? Simple working principle Easy to design Multifunctional sensors Cost effective
- 6. Working principle C = C1 + C2 + C3 …… 𝐶 = 𝑘𝜀0𝐴 𝑑
- 7. Designing Approach Designing Approach Synthesis Approach Fabricated Approach
- 8. Synthesis Approach Various synthesis methods available for capacitive based sensors. Such as chemical reduction method, sol gel method, Hydrothermal Synthesis Most of the cases in the synthesis process make a composite for suitable response.
- 9. Fabrication Approach Thermal evaporation Sputtering Dip coating Spinning Pulse Laser Deposition (PLD)
- 10. Name of transparent flexible substrate Polydimethylsiloxane (PDMS) Indium Tin Oxide (ITO) Poly(methyl methacrylate) (PMMA) Polyethylene Terephthalate (PET)
- 11. Difference between synthesis and fabrication approach. Synthesis approach Fabrication approach Simple approach Complicated approach Cost effective Costly Response time is high Response time is not much high Work in all direction Work in some specific direction Some specific difference between fabrication and synthesis approach of devolved smart materials
- 12. Applications
- 13. Integrating multifunctional sensing components in to one device is an important advance in wearable electronics. The function of detecting multiple signals such as strain, pressure, temperature, humidity, and so on into a single device to provide more comprehensive human health and environmental information Multifunctional Sensors
- 14. Capacitive sensor for eye pressure monitoring Frequency is vary with pressure S. Rajagopalan et al. 2008
- 15. Conclusion Single sensor can be used for multiple sensors. We can design sensor according to our needs. Flexible sensor response time and accuracy are better. Cost effective Easy to fabricate the sensors.
- 16. References 1. W. W. Flemons, et al., (2003), Home diagnosis of sleep apnea: A systematic review of the literature : An evidence review cosponsored by the american academy of sleep medicine, the american college of chest physicians, and the american thoracic society, Chest, 124 (4), pp. 1543- 1579. 2. Song, Y. M. et al. Digital cameras with designs inspired by the arthropod eye. Nature 497, 95–99 (2013). 3. Quan Y, Wei X, Xiao L et al (2017) Highly sensitive and stable flexible pressure sensors with micro- structured electrodes. J Alloys Compd 699:824– 831 . 4. Quan Y, Wei X, Xiao L et al (2017) Highly sensitive and stable flexible pressure sensors with micro- structured electrodes. J Alloys Compd 699:824– 831. 5. S. Rajagopalan, M. Sawan, E. Ghafar-Zadeh, O. Savadogo, and V. P. Chodavarapu, “A Polypyrrole-based Strain Sensor Dedicated to Measure Bladder Volume in Patients with Urinary Dysfunction,” Sensors, Vol. 8, pp. 5081-5095, 2008.
- 17. 6. M. Couty, S. Nazeer, T. H. N. Dinh, E. Martincic, M. Woytasik, M. Tatoulian, and E. Dufour- Gergam, “Fabrication of copper lines by film transfer method applied to PDMS structural layers,” MME, 2012. 7. M. N. H. Nishiyama, “Form and Capacitance of Parallel-Plate Capacitors,” IEEE Trans. components, Packag. Manuf. Technol. part A, vol. 17, no. 3, pp. 477–484, 1994. 8. Gao Y, Lu C, Guohui Y, Sha J, Tan J and Xuan F 2019 Laser micro-structured pressure sensor with modulated sensitivity for electronic skins Nanotechnology 30-32, 2019. 9. T. H. N. Dinh, P.-Y. Joubert, E. Martincic, and E. Dufour-Gergam, “Fabrication and characterization of flexible pressure sensor arrays made by film transfer technology,” Sensors, 2013 IEEE. pp. 1–4, 2013.