Presentation	2006-05-18 Microwave measurements of uniaxial unisotropic complex permittivity of organic dielectric substrates Kenichi HASUIKE, Hirokazu KAWABATA, Yoshio KOBAYASHI,
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Abstract(in English)	Dielectric laminate substrates are commonly used for design of microwave plane circuits. They have uniaxial, unisotropic characteristics in the normal and tangential directions for the complex permittivity, because of the multilayed structures. Frequency dependences of complex permittivity in the normal direction (relative permittivity ε_, loss tangent tanδ_n) were measured by a balanced type circular disk resonator method using some TM_<0m0> modes with different resonance frequency. On the other, Frequencies dependences of complex permittivity in the tangential direction (relative permittivity ε_, loss tangent tanδ_t) were measured by the cavity resonator method using some cavities with different sizes. Actually, polyolefin substrates and PTFE glass closs laminate dielectric substrates were measured. These measurement results are useful for the design of plane circuits with the microstrip and coplanar-waveguide structures.
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Keyword(in English)	Microwave measurement / Complex permittivity measurement / Frequency-dependence / Cavity resonator / Balanced-typed circular disk resonator
Paper #	MW2006-17
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Committee	MW
Conference Date	2006/5/11(1days)
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Registration To	Microwaves (MW)
Language	JPN
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Title (in English)	Microwave measurements of uniaxial unisotropic complex permittivity of organic dielectric substrates
Sub Title (in English)
Keyword(1)	Microwave measurement
Keyword(2)	Complex permittivity measurement
Keyword(3)	Frequency-dependence
Keyword(4)	Cavity resonator
Keyword(5)	Balanced-typed circular disk resonator
1st Author's Name	Kenichi HASUIKE
1st Author's Affiliation	Faculty of Engineering, Saitama University()
2nd Author's Name	Hirokazu KAWABATA
2nd Author's Affiliation	Gunma Industrial Technology Center
3rd Author's Name	Yoshio KOBAYASHI
3rd Author's Affiliation	Faculty of Engineering, Saitama University
Date	2006-05-18
Paper #	MW2006-17
Volume (vol)	vol.106
Number (no)	48
Page	pp.pp.-
#Pages	6
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