Bi2Ru2O7 Conductive Phase and its Effects on the Gauge Factor of Ru_based Thick-film Resistors

With Bi
₂
Ru
₂
O
₇
as the conductive phase, a new type of thick-film strain resistor is made, whose gauge factor (GF) is up to 15-17 and its work temperature is up to 150degC The method of Bi
₂
Ru
₂
O
₇
conductive phase and the sensitive material is introduced. The effects the conductive phase particle size between of the GF of the Ru-based thick-film strain resistor is discussed mainly. And the conduction mechanism is also explained.