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dielectric constant |
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dielectric constant [‚dī·ə′lek·trik ′kän·stənt] (electricity) For an isotropic medium, the ratio of the capacitance of a capacitor filled with a given dielectric to that of the same capacitor having only a vacuum as dielectric. More generally, 1 + γχ, where γ is 4π in Gaussian and cgs electrostatic units or 1 in rationalized mks units, and χ is the electric susceptibility tensor. Also known as relative dielectric constant; relative permittivity; specific inductive capacity (SIC). How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The parasitic capacitance of 140nm-pitched lines was reduced to the world's lowest at 85fF/mm, with the effective dielectric constant keff=2. The extent of the reaction was proportional to the acrylonitrile concentration and the reaction time, as was the dielectric constant. The best end product so far, using 30% keratin by weight, has a lower dielectric constant than conventional semiconductor insulator materials such as silicon dioxide or polyimides. |
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