State-of-the-art Noncontact Gauge Meter for Flat Rolling and Cold-rolled Precision Metals Expected for Microsensor Application

In this paper, by focusing on cold-rolled precision metals widely used as sensor materials, a state-of-the-art noncontact gauge meter, which enables high-precision thickness control in a cold-rolling mill with high thickness tolerance, is introduced as a sensor technology, and the following three typical precision thin gauge metals, which are expected as the reverse use of the sensor technology, are introduced as the material technology: (1) clad metal used for electronic sensors, (2) ultrahigh-strength thin gauge stainless steel with high durability for haptic device applications, and (3) ultrafine grain metal foil to be applied to a medical diaphragm micropump.