Article | GigaHertz 2003. Proceedings from the Seventh Symposium | Experimental and theoretical investigation of coplanar-plate capacitors on layered dielectric substrates

Title:
Experimental and theoretical investigation of coplanar-plate capacitors on layered dielectric substrates
Author:
Saeed Abadei: Department of Microtechnology and Nanoscience, Chalmers University of Technology, Sweden Spartak Gevorgian: Department of Microtechnology and Nanoscience, Chalmers University of Technology, Sweden \ Core Unit Research Center, Ericsson Microwave Systems, Sweden
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Year:
2003
Conference:
GigaHertz 2003. Proceedings from the Seventh Symposium
Issue:
008
Article no.:
056
No. of pages:
5
Publication type:
Poster
Published:
2003-11-06
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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In this work we report the results of theoretical and experimental investigation of coplanarplate capacitors on layered dielectric substrates. Analytic formulas are derived for the capacitance and compared with experimental results and results of Momentum simulation. The formulas are used for experimental characterization of thin ferroelectric films in a frequency range of 0.5–50 GHz; where the film parameters (permittivity; loss tangent) are extracted from measured S-parameters.

GigaHertz 2003. Proceedings from the Seventh Symposium

Author:
Saeed Abadei, Spartak Gevorgian
Title:
Experimental and theoretical investigation of coplanar-plate capacitors on layered dielectric substrates
References:

[1] D. Segovia-Vargas; R. Martin-Cuerdo; and M. Sierra-Peres; “Mutual coupling effects correction in microstrip arrays for direction-of-arrival (DAO) estimation”; IEE Proc.- Microw. Antennas Propag.; Vol.149; No.2; pp.113-118; 2002


[2] Cascade Microtech Inc.; USA


[3] S. Abadei; S. Gevorgian; C.-R. Chao; and A. Grishin; “Low frequency and microwave performance of laser ablated epitaxial NKN films on high resisitivity silicon substrates”; J. Appl. Phys.; Vol.91; pp.267-2276; 2002


[4] O. G. Vendik; S. P. Zubko; and M.A. Nikolskii; ”Modelling and calculation of the capacitance of a planar capacitor containing a ferroelectric thin film”; Technical Physics; Vol. 44; No4; pp.349-355; 1999


[5] E. Carlsson; and S. Gevorgian; “Conformal mapping of the field and charge distributions in multilayer substrate CPW”; IEEE Trans. Microwave Theory Techn.; Vol.47; pp.1544.1552; 1999


[6] S. Gevorgian; P. Linner; and E. Kolberg; “An Analytic Approximation for Open-end capacitance in a finite thickness substrate coplanar-strip waveguide”; Electronics Letters; Vol.37; pp. 1226-1228; 2001

GigaHertz 2003. Proceedings from the Seventh Symposium

Author:
Saeed Abadei, Spartak Gevorgian
Title:
Experimental and theoretical investigation of coplanar-plate capacitors on layered dielectric substrates
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