Abstract:Polymers having low-dielectric constants (ε r ) are of strategic importance to the electronics industry since this physical property largely determines a device's overall signal speed and wiring density (1). In general, a lower value of ε r allows higher wiring density and greater signal speeds. Although Teflon ® -type fluo ropolymers, such as poly(tetrafluoroethylene) (PTFE), offer the lowest dielectric constant values (ε r = 2.1) of commercially available materials, they have not been viewed as attractive ca… Show more
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