Advanced Sensors: Introduction.
Semiconductor sensors: Metal oxide semiconductors, Hall elements.
Silicon sensors: Silicon Planar Technology, Silicon sensors for sensing radiation, mechanical, magnetic and chemical signals.
IC sensors, membrane types of sensors.
Optical sensors: Lasers, photo-detectors, optical fibre.
Microsensors for sensing thermal, radiation, mechanical, magnetic and chemical signals. Smart sensors.
Non Destructive Testing: Introduction, classification of NDT techniques,
Visual examination: Bore-scopes, video devices,
Magnetic particle testing: Operating principle, magnetising technique.
Liquid Penetrating technique: Principle, process description.
Ultrasonic Testing: Definition, advantages and applications, inspection methods.
Radiography: Electromagnetic radiation sources, process description.
Thermography: Infrared theory, contact, non-contact methods.
Accoustic emission testing, eddy current testing,
Leak testing: Bubble emission testing, Air leak testing.
Case studies on defects in casting, rolling, welding, and heat treating.