A patterned electrical conductor having improved conductivity and controllably high resolution track and gap widths is obtained by exposing, to a desired conductive pattern, a pressure-sensitive or photosensitive element comprising a support and a pressure-sensitive or photosensitive material coated thereon being sensitive to the exposure (e.g. the wavelength of exposing radiation) and capable of providing a latent image upon exposure, and then developing the exposed element to form a developed element having a metal (e.g. silver) image thereon and then electroless plating and/or electroplating the metal image with a second metal (e.g. silver) whilst subjecting the developed element to ultrasonic agitation.

 
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> Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereof

~ 00475