Performances of high voltage screen-printed ZnO varistors

被引：0
|
作者：
Martin, MP [1 ]
Debéda-Hickel, H [1 ]
Lucat, C [1 ]
Ménil, F [1 ]
Tardy, P [1 ]
机构：
[1] Univ Bordeaux 1, Lab Microelect IXL, F-33405 Talence, France
来源：
2003 INTERNATIONAL SYMPOSIUM ON MICROELECTRONICS | 2003年 / 5288卷
关键词：
ZnO; varistors; thick-film; screen-printing; pressure;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Microelectronic devices need efficient protection against various electrical overvoltages. For threshold voltage higher than 600V, close protection of the components with screen-printed varistors is proposed, though their porous microstructure seems unfavourable for this purpose. A mechanical pressure has been applied on ZnO thick films prior firing in order to improve the layer compacity. Electrical characteristics of conventional and pressed thick-films have been compared to those of the ceramic prepared with the same powder.
引用
收藏
页码：77 / 80
页数：4
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