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Invasive, non-contact 3d mapping - Sensing Application

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Invasive non contact 3d mapping is the process of looking inside something without physically penetrating the surface of that object or material.

This process requires the use of an array to generate the 3d view of the target.
Capacitive and electric fields can penetrate non metallic materials (invasive).
Non-contact because transmit and sense electrodes do not require physical contact with the surface of the material to transmit electric field onto and into the material.

Fields produced by the sensor are transmitted through the material and received by sensors in the array. Changes in material consistency or objects embedded in the material disturb the electric field, which is detected by sense electrodes.

Taking many views of sections of the material using arrays, allows a picture to be built up of the internal topography of the material.

Possible applications:
Landmine detection.
Non destructive testing.
Detecting corrosion on inner surfaces of containers.

See also: 3d shapes - detection and or measurement

Pages in the Applications section:
3d shapes - detection and or measurement of
Collision avoidance - Proximity measurement
Electro-cardiography - Non contact
Environment - Hazardous
Environment - High temperature
Human anatomy - Foot gauge
Human anatomy - Light switch
Invasive, non-contact 3d mapping
Landmine detection
Liquid level detection
Micro machines
Moisture measurement
Powder or granule level detection
Proximity detection - Non contact
Proximity measurement - Analogue
Reversing Sensor
Robotic control and protection
Small targets at high speeds
Solder Wave height
Weighing cell

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