Measurements of loss tangent and relative permittivity of LTCC ceramics at varying temperatures and frequencies
Mazierska, Janina, Jacob, Mohan V., Harring, Andrew, Krupka, Jerzy, Barnwell, Peter, and Sims, Theresa (2003) Measurements of loss tangent and relative permittivity of LTCC ceramics at varying temperatures and frequencies. Journal of the European Ceramic Society, 23 (14). pp. 2611-2615.
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Abstract
Precise knowledge of microwave properties of LTCC materials is crucial for efficient design of microwave systems, especially for design of communication filters. In this paper relative permittivity var epsilonr and loss tangent tanδ of a variety of LTCC ceramics manufactured by Heraeus Circuit Materials Division are presented for frequencies of 3.3 and 5.5 GHz at room temperature and also for temperatures varying from −33 °C to 22 °C at a frequency of 3.3 GHz. The measurement system for microwave characterisation of LTCC materials was based on the split post dielectric resonator and the Transmission Mode Q-factor techniques with random uncertainty in var epsilon and in tanδ better than 0.5 and 2.6% respectively.
| Item ID: | 6706 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1873-619x |
| Keywords: | ceramics; dielectric resonators; loss tangent; LTCC; mobile communication; permittivity |
| Date Deposited: | 12 Feb 2010 04:37 |
| FoR Codes: | 09 ENGINEERING > 0912 Materials Engineering > 091201 Ceramics @ 100% |
| SEO Codes: | 89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890199 Communication Networks and Services not elsewhere classified @ 80% 86 MANUFACTURING > 8616 Computer Hardware and Electronic Equipment > 861603 Integrated Circuits and Devices @ 20% |
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