SAW | Capacitive | Infrared/IR | Resistive | ||
Projected | Surface | ||||
Performance | |||||
Speed | √√√ | √√√ | √√√ | √√√ | √√√ |
Sensitivity | √√ | √√√ | √√√ | √√√ | √√√ |
Resolution | √√√ | √√√ | √√ | √√ | √√√ |
Accuracy | √√ | √√ | √√ | √√ | √√√ |
Calibration Stability | √√√ | √√ | √ | √√√ | √√√ |
Drag | × | √√√ | √√ | √√√ | × |
Parallax(lack of) | √√√ | √ | √ | √√√ | ◎ |
SAW | Capacitive | Infrared | Resistive | ||
Projected | Surface | ||||
Input Flexibility | |||||
Glove | ◎ | × | × | √√√ | √√√ |
Fingernail | × | × | × | √√√ | √√√ |
Credit Card | × | × | × | √√√ | √√√ |
Pen | × | × | × | √√√ | √√√ |
Handwriting Recognition | × | √√√ | √√√ | ◎ | ◎ |
Optics | |||||
Light Transmission | √√√ | √√ | √ | √√√ | ◎ |
Reflection(Lack of) | ◎ | ◎ | √ | ◎ | √ |
Clarity | √√√ | √√ | √ | √√√ | ◎ |
Color Purity | √√√ | √√ | √ | √√√ | ◎ |
SAW | Capacitive | Infrared | Resistive | ||
Projected | Surface | ||||
Mechanical | |||||
Small Size(≤10”) | × | √√√ | × | × | √√√ |
Medium Sizes(10” to 19”) | √√√ | √√√ | √√√ | √√√ | √√√ |
Medium-large(19” to 27”) | √√√ | √√ | √√ | √√√ | × |
Large Size(≥30”) | × | × | × | √√√ | × |
Ease of Integration | √√ | ◎ | ◎ | √√ | √√ |
Sealability | ◎ | √√√ | √√√ | √√ | √√ |
SAW | Capacitive | Infrared | Resistive | ||
Projected | Surface | ||||
Electrical | |||||
Low Power Operation | √√ | √√√ | ◎ | √√ | √√ |
ESD | √√√ | × | × | √√√ | √√√ |
EMI/RFI | √√√ | × | × | √√√ | √√√ |
Environmental | |||||
Temperature | √√√ | √√√ | √√√ | √√√ | √√√ |
Humidity | √√ | ◎ | ◎ | √√√ | √√√ |
Altitude | √√√ | √√√ | √√√ | √√√ | √√√ |
Chemical Resistance | √√√ | √√√ | × | √√√ | × |
Scratch Resistance | √√√ | √√√ | × | √√√ | × |
Dust/Dirt | ◎ | √√√ | √√√ | √√√ | √√√ |
Liquids | ◎ | √√√ | √√√ | ◎ | √√√ |
Anti strong light interference | √√√ | √√√ | √√√ | ◎ | √√√ |
Durability/wear resistance | √√√ | √ | √ | √√√ | √√ |
Cost | √√√ | ◎ | ◎ | √√ | √√√ |