Title: Influences of Forming Processon the Resistance Characteristics of Thin Single-Layer Ceramic Capacitors with High Permittivity
Abstract: Single-layer microwave ceramic capacitor dielectric substrate with size of 38.1mm×38.1mm×0.15 mm and permittivity of 25000 was prepared by two different kinds of forming process including tape-casting forming process and roll forming process.The effect of two different kinds of forming process on the microstructure and resistance properties of ceramiccapacitor was systematically comparative studied.The experimental results show that the insulation resistance bias characteristics and temperature characteristics of the capacitor samples prepared by roll forming process are better than that prepared by tape-casting forming process.The dielectric loss in each temperature is less than that of the capacitor samples prepared by tape-casting forming process as well.The SEM images of the surface of the different ceramic substrates show that the surface of the ceramic substrate samples prepared by the tape-casting forming process was rough and porous.On the contrary,the surface of the ceramic substrate samples prepared by roll forming process was flat and compact.
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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