H - Electricity – 01 – C
Patent
H - Electricity
01
C
356/114, 31/177
H01C 7/10 (2006.01) H01C 7/112 (2006.01)
Patent
CA 1331508
VOLTAGE NON-LINEAR TYPE RESISTORS ABSTRACT OF THE DISCLOSURE A voltage non-linear resistor is disclosed, which is composed mainly of zinc oxide and at least contains bismuth oxide, antimony oxide, and silicon oxide as additives, wherein crystalline phases of said bismuth oxide includes at least two kinds of .beta. and .delta. satisfy the following inequalities: Image in which .beta. and .delta. are contents of the .beta. type crystalline phase and the .delta. type crystalline phase, respectively. A voltage non-linear resistor is also provided, wherein bismuth oxide further include an .alpha. type crystalline phase, and .alpha., .beta. and .delta. satisfy the following inequalities: Image , Image , and Image , in which .alpha. is a content of the .alpha. type crystalline phase. A voltage non-linear resistor is further provided, wherein the resistor contains at least .delta. type crystalline phase of bismuth oxide and an amorphous phase containing bismuth, and a content of bismuth in each of the phases satisfies the following inequalities: (1) 0.10 ? B/A ? 0.40 (2) 0.05 ? C/A ? 0.30 in which A, B and C are the total content of bismuth in a sintered body of the resistor, the content of bismuth in the .delta. type crystalline phase of Bi2O3, and the content of bismuth in the bismuth-containing amorphous phase, respectively.
607731
Imai Osamu
Sato Ritsu
Ngk Insulators Ltd.
Smart & Biggar
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