Patent ID: 6100785
Filing Date: 2000-08-08
Classification: H01C

Abstract:
A voltage nonlinear resistor of a sintered substance of a composite consisting essentially of zinc oxide and containing a plurality of rare earth elements,wherein at least one of which is selected from the group consisting of Eu, Gd, Tb, Dy, Ho, Y, Er, Tm, Yb, and Lu, and Bi and Sb, and at least one is selected from the group consisting of La, Ce, Pr, Nd, Sm,wherein the composite comprises precipitation grains formed in zinc oxide grains or on a grain boundary, and spacing d.sub.n (.ANG.) between zinc oxide grains, provided from the precipitation grains, lies in the range of 2.85 .ANG..ltoreq.d.sub.1 .ltoreq.2.91 .ANG., 1.83 .ANG..ltoreq.d.sub.2 .ltoreq.1.89 .ANG., 1.77 .ANG..ltoreq.d.sub.3 .ltoreq.1.82 .ANG., 1.56 .ANG..ltoreq.d.sub.4 .ltoreq.1.61 .ANG., 1.54 .ANG..ltoreq.d.sub.5 .ltoreq.1.60 .ANG., wherein n denotes a number given in the descending order of values of spacings obtained from the precipitation grains.