Measurement of complex permittivity of low temperature co-fired ceramic at cryogenic temperatures

Jacob, Mohan V., Mazierska, Janina, and Bialkowski, Marek (2005) Measurement of complex permittivity of low temperature co-fired ceramic at cryogenic temperatures. In: Proceedings of the 29th International Conference on Advanced Ceramics and Composites (26), pp. 209-216. From: 29th International Conference on Advanced Ceramics and Composites, 23-28 January 2005, Florida, USA.

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Abstract

Precise knowledge of microwave properties of Low Temperature Co-fired Ceramic LTCC materials is crucial for efficient design of microwave systems, especially for design of communication filters. Many communication devices operate at low temperatures. In order to implement LTCC at low temperature communication circuits and devices, Engineers need precise values of the complex permittivity. The aim of this paper is to characterise LTCC material as a function of temperature at microwave frequencies using a very precise measurement technique, Split Post Dielectric Resonator. The Transmission Mode Q-factor technique that eliminates all the parasitic losses during the characterisation was used for the S-parameter data processing. The permittivity and loss tangent data of LTCC manufactured by Heraeus Circuit Materials Division in the temperature range 20 K- 300K at a frequency of 9.5 GHz is reported in this paper. The random uncertainty in εT and tanδ are better than 0.3% and 5 % respectively.

Item ID: 7556
Item Type: Conference Item (Refereed Research Paper - E1)
Keywords: co-fired ceramics; dielectric properties; loss tangent; LTCC; permittivity
Additional Information:

Conference theme - "Advances in Electronic Ceramic Materials - Ceramic Engineering and Science"

ISBN: 978-1-57498-235-0
ISSN: 0196-6219
Date Deposited: 08 Jul 2010 02:58
FoR Codes: 09 ENGINEERING > 0912 Materials Engineering > 091201 Ceramics @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 60%
86 MANUFACTURING > 8617 Communication Equipment > 861799 Communication Equipment not elsewhere classified @ 40%
Citation Count from Web of Science Web of Science 1
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