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Accession Number:
ADP007736
Title:
Dielectric Properties of Ceramics at Microwave Frequencies
Corporate Author:
HUGHES AIRCRAFT CO EL SEGUNDO CA
Report Date:
1992-04-27
Abstract:
The dielectric properties of alumina and silicon nitride have been determined using modified rectangular microwave waveguide techniques from 220 to 900 deg C over 8-12 GHz and modified coax techniques from 25 deg to 500 deg C over 2-18 GHz. The coax techniques were used to determine the temperature and frequency dependence of the dielectric properties of silicon nitride and of phosphate bonded alumina reinforced with silicon carbide whiskers. The coax techniques provide broadband dielectric property data that can be applied to the understanding and enhancement of the coupling behavior of ceramics, especially in the initial heat-up period of microwave processing.
Supplementary Note:
This article is from 'Ceramic Transactions. Volume 21. Proceedings of the Symposium on Microwave Theory and Application in Materials Processing Annual Meeting of the American Ceramic Society (23rd) Held in Cincinnati, Ohio on April 29 - May 3, 1991,' ADA253631, p235-242.
Pages:
0009
Distribution Statement:
Approved for public release; distribution is unlimited.
File Size:
0.44MB
