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1. Permittivity and loss index
1.1 Perfect dielectric
Placed in a vacuum, under DC voltage U 0 , a planar capacitor (figure 1 a)takes on a charge Q 0 related to U 0 by a linear law :
Q 0 = C 0 U 0
with :
- C 0 :
-
capacitor capacity in a vacuum.
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Permittivity and loss index
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Websites
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IEEE Conference on Electrical Insulation and Dielectric Phenomena http://www.ieee.org
Standards and norms
Standard Test Method for Relative Permittivity (Dielectric Constant) and Dissipation Factor of Polymer-Based Microwave Circuit Substrates http://www.astm.org/Standards/D3380.htm
Standard Test Methods for Polymeric Films Used for Electrical Insulation
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