Effect of Particle Size on the Microwave Dielectric Properties of Alumina-Filled PTFE Substrates

被引：20

作者：

Murali, Kodakkattu P. ^{[1
]}

Rajesh, Surendran ^{[1
]}

Nijesh, Kunnamkuzhakal J. ^{[1
]}

Ratheesh, Ravendran ^{[1
]}

机构：

[1] Ctr Mat Elect Technol, Microwave Mat Div, Trichur 680771, India

来源：

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2010年 / 7卷 / 04期

关键词：

COMPOSITES; FREQUENCIES;

D O I：

10.1111/j.1744-7402.2009.02483.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

alpha-alumina of different particle sizes of 50 nm, 0.4, 3, and 7 mu m have been incorporated into the PTFE matrix to prepare flexible composite substrates. A proprietary process comprising of sigma mixing, extrusion, and calendering, followed by hot pressing (SMECH process) has been used to obtain dimensionally stable ceramic-filled PTFE substrates. Variation of the dielectric constant, loss tangent and moisture absorption of filled PTFE composites has been ascertained as a result of filler loading.

引用

页码：475 / 481

页数：7

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