| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a zinc oxide varistor having both a high potential gradient and a high nonlinear coefficient. <P>SOLUTION: There is disclosed the method of manufacturing the zinc oxide varistor, this method manufacturing the zinc oxide varistor being characterized in the high potential gradient and high nonlinear coefficient by preparing zinc oxide particles doped with nonequivalent ions and made sufficiently semiconductive and sintered powder with high impedance characteristics by two different procedures. Especially, the disclosed method is suitable to manufacture of a specific zinc oxide varistor having a potential gradient of 2,000-9,000 V/mm and a nonlinear coefficient (α) of 21.5-55. <P>COPYRIGHT: (C)2013,JPO&INPIT |
