Title :
YBa2Cu3O6-x-based thick film resistor
Author :
Fu Shen-Li ; Hsieh, Y.H.
Author_Institution :
Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan
Abstract :
Owing to the low resistivity and small positive temperature coefficient of resistivity around room temperature of the YBa2Cu3O7-x superconductor, thick film resistor paste is prepared by utilizing YBa2Cu3O 7-x as the functional phase of the resistor. Ag2O and PbO are added to increase the density of the fired film and to achieve the resistivity distribution for practical applications. Sheet resistivities ranging from a few ohms per square to several megaohms per square, are obtained by adjusting the contents of YBa2Cu3O7-x, Ag2O, and PbO. Large negative temperature coefficients of resistivity are obtained for resistors with higher resistivity values. Since both YBa2Cu 3O7-x and silver exhibit a positive temperature coefficient of resistivity, the negative temperature coefficient of resistivity is thus attributed to the addition of PbO
Keywords :
barium compounds; lead compounds; silver compounds; thick film resistors; yttrium compounds; 20 to 100 C; 850 to 890 C; TCR; YBa2Cu3O6-x-based thick film resistor; YBa2Cu3O7-x-Ag2O-PbO; low resistivity; negative temperature coefficients of resistivity; room temperature; sheet resistivity; small positive temperature coefficient of resistivity; thick film resistor paste; Conductive films; Conductivity; Powders; Resistors; Solids; Substrates; Superconducting films; Superconducting transition temperature; Thick films; Yttrium barium copper oxide;
Conference_Titel :
Electronic Components and Technology Conference, 1990. ., 40th
Conference_Location :
Las Vegas, NV
DOI :
10.1109/ECTC.1990.122205
