Microwave Characterization of Copper-Clad Dielectric Laminate Substrates(<Special Section>Recent Technologies for Microwave and Millimeter-wave Passive Devices)
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概要
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Microwave measurement methods necessary to characterize copper-clad dielectric laminate substrates are reviewed to realize more precise design of planar circuits: that is, the balanced-type circular disk resonator method for the relative complex permittivity in the normal direction ε_<rn> and tan δ_n, the cavity resonator method and the cut-off waveguide method for one in the tangential direction ε_<rt> and tan δ_t, and the dielectric resonator method for the surface and interface conductivity of copper foil σ_s, and σ_i. The measured results of the frequency and temperature dependences of these parameters are presented for a PTFE substrate and a copper-clad glass cloth PTFE laminate substrate.
- 2007-12-01
著者
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KOBAYASHI Yoshio
Cooperative Research Center, Saitama University
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Kobayashi Yoshio
Cooperative Research Center Saitama University