LIQUID NITROGEN LEVEL SENSOR-MONITOR DEVICE USING HIGH Tc SUPERCONDUCTORS AND METHOD OF MANUFACTURE THEREOF

摘要

The present invention provides a novel liquid nitrogen level sensing-monitoring device comprising a sensor element made of a high temperature conducting material encapsulated in a layer of metal, said encapsulated sensor element being affixed to a cryostable fiber reinforced plastic substrate, said sensor element being provided with a resistance measuring means and a method for the manufacture thereof.