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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 김주형
- 발행연도
- 2015
- 저작권
- 인하대학교 논문은 저작권에 의해 보호받습니다.
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초록· 키워드
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This research includes design and fabrication of a flexible pressure sensor based on polydimethylsiloxane (PDMS) and multi walled carbon nanotube, which can be used to monitor skin pressure with large deformation at low pressure range.The larger deformation of the PDMS can provide higher sensitivity than conventional pressure sensors due to modulated lower Young’s modulus from
PDMS. Furthermore, we propose simple and low-cost fabrication technique bypatterning CNT on PDMS, which can be used in flexible pressure sensors andelectronics.
We demonstrate MWCNT patterning on flat PDMS surfaces using a spraycoating method. MWCNT patterns with a minimum feature resolution of 400 μm was obtained using the proposed fabrication technique. The PDMS structure with respect to sensitivity was confirmed through the use of the numerical simulation method with ANSYS. Several types of pressure sensors with a PDMS structure were fabricated and the feasibility of such pressure sensors was evaluated. Finally a wireless pressure monitoring system for 10?10 array using our flexible pressure sensors was developed with circuit design for monitoring system.
PDMS. Furthermore, we propose simple and low-cost fabrication technique bypatterning CNT on PDMS, which can be used in flexible pressure sensors andelectronics.
We demonstrate MWCNT patterning on flat PDMS surfaces using a spraycoating method. MWCNT patterns with a minimum feature resolution of 400 μm was obtained using the proposed fabrication technique. The PDMS structure with respect to sensitivity was confirmed through the use of the numerical simulation method with ANSYS. Several types of pressure sensors with a PDMS structure were fabricated and the feasibility of such pressure sensors was evaluated. Finally a wireless pressure monitoring system for 10?10 array using our flexible pressure sensors was developed with circuit design for monitoring system.
목차
1 INTRODUCTION 11.1 Research Background 11.1.1 Different types of Pressure Measurements 41.1.2 Pressure sensing technology 51.2 Motivation of the study 92 Material Design and Fabrication of Flexible Pressure Sensor 102.1 material for flexible pressure sensor 102.1.1 Polydimethylsiloxane (PDMS) 102.1.2 Multi Walled Carbon Nanotube (MWCNT) for electrode 122.1.3 Earlier research 132.2 Simulation of Flexible Sensor Structure 152.3 MWCNT electrode fabrication using spray coating method 182.3.1 Electrical performance of spray coated MWCNT. 182.3.2 IDT Pattern Structure 202.3.3 Mesh pattern for IDT electrode 232.3.4 Step pattern for IDT electrode 252.3.5 Mask pattern for IDT Pattern 272.4 Strain Gauge Pattern 283 Circuit fabrication for monitoring 303.1 Circuit schematic 303.2 Printed circuit board Design 323.3 Experimental setup for performance test 334 RESULTS AND DISCUSSIONS 344.1 Simulation Result for Optimized Structure 354.2 Resistance Response of Flexible Pressure sensor of IDT pattern 364.2 Resistance Response of Mesh pattern with IDT pattern 374.3 Resistance Response of Step pattern with IDT pattern 384.4 Resistance Response of strain pattern 394.5 Simple Wireless Vibration Measurement 404.6 Monitoring with Wireless Circuit 425 CONCLUSIONS 43REFERENCES 44OUTCOMES OF RESEARCH 50
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