2008 Progress Seminar 유방암 자가 진단기 Subtitle 1 Subtitle 2 (발표자이름) (날짜)

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Presentation transcript:

2008 Progress Seminar 유방암 자가 진단기 Subtitle 1 Subtitle 2 (발표자이름) (날짜)

Abstract 유방암 자가진단 (not only at clinics) magnified pressure LCD Probe x9 Conventional Pressure sensor (Force Sensor Resistor) LCD 4.5cm 4.5cm Flexible PCB (copper) Breast Capacitive Pressure Sensor Fabric Sensor (Silver Paste) 유방암 자가진단 (not only at clinics) magnified pressure

Conventional Sensor LCD 저항으로 이루어진 센서 문제점 Debugging 완료. Probe x9 Conventional Pressure sensor (FSR) LCD 4.5cm 4.5cm Breast 저항으로 이루어진 센서 문제점 Debugging 완료. 2x8 array sensors Progress ADC, calibration 중 Pressure mapping needed after.

Fabric Sensor LCD Capacitive Pressure Sensor Progress Probe LCD Capacitive Pressure Sensor Progress Circuit design 중. Consider Fabric Unstable  Reproduce/ use FPCB 4.5cm 4.5cm Breast Fabric Sensor (silver paste) Line pitch

Fabric Sensor Reduce crosstalk and wiring error from 20% to 1% 6mm Capacitance measured: 3.5pF (uncompressed) to 5.8pF(5N/cm^2)

Fabric Sensor Capacitance measured: 3.5pF (uncompressed) to 5.8pF(5N/cm^2) Electrode array – silver coated yarn Compressible Spacer – 6mm thickness, 50% compressibility at 1.8N/cm^2 <<Muller Textil>> Shielding – EMI – conductive grounding pads Electrode array – silver paste on the fibre Metalized nylon fibres Compressible Spacer – 3mm thickness, 50% compressibility at 1.8N/cm^2 <<Muller Textil>>

Fabric Sensor Circuit Bandpass Filter? AD7745 Capacitance to digital converter Sine(Triangle) wave oscillator

Flexible PCB LCD Capacitive Pressure Sensor Probe Flexible PCB (copper) LCD 4.5cm 4.5cm Breast Capacitive Pressure Sensor 10x10 copper line – ADC MUX 연결 dielectric 제질: 폴리 이미드 사용 Progress 2pF difference Fabric circuit 완성되면 apply to the FPCB as well.