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That means the signal is entirely in the tin layer, if one is present. Not a good thing, as tin is not a very good conductor. Tin has about seven times the resistance of copper). So anything at 1MHz or higher should not have a tin layer. It needs to be bare copper. That means video cable, digital audio cable, RF coax or Category data cables all need to be bare copper. No tinned copper.
Indium Tin Oxide (ITO) Transparent Conductive coating is a mixture of 90% In2O3 and 10% SnO2 by weight. It is the most common material for transparent conductive coatings because of its two chief properties, its electrical conductivity and optical transparency.s with all transparent conductive films, a compromise must be made between conductivity and transparency, since increasing the film thickness will decrease transparency. ITO is commonly used to make transparent conductive coating for touch panels, flat panel displays, plasma displays and liquid crystal displays.