TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Material: The source and drain contacts, gate electrode and active element may be made from a continuous piece of a material, preferably an organic material.    TECHNOLOGY FOCUS - POLYMERS - Preferred Material: The organic material is a polymer of polythiophenes, polypyrroles, polyanilines, polyisothianaphthalenes, polyphenylene vinylenes and/or their copolymers. The polymer material is polymer and copolymer of 3,4-dialkoxythiophene, in which the two alkoxy together represent an optionally substituted oxy-alkylene-oxy bridge. The polymer and copolymer of 3,4-dialkoxythiophene is poly(3,4-methylenedioxythiophene), poly(3,4-methylenedioxythiophene) derivatives, poly(3,4-ethylenedioxythiophene), poly(3,4-ethylenedioxythiophene), poly(3,4-propylenedioxythiophene) derivatives, poly(3,4-butylenedioxythiophene), poly(3,4-butylenedioxythiophene) derivatives, or their copolymers. The organic material includes a polyanion compound of poly(styrene sulfonic acid) or its salt. The electrolyte comprises an ionic salt and gelling agent of gelatin or its derivative, polyacrylic acid, polymethacrylic acid, poly(vinylpyrrolidone), polysaccharides, polyacrylamides, polyurethane, polypropylene oxides, polyethylene oxides, poly(styrene sulfonic acid), poly(vinyl alcohol) and/or their salts or copolymer. The device is arranged on a support of polyethylene terephthalate, polyethylene naphthalate dicarboxylate, polyethylene, polypropylene or polycarbonate.    TECHNOLOGY FOCUS - TEXTILES AND PAPER - Preferred Component: The device may be arranged on (coated) paper, resin-coated paper, paper laminates, paperboard or corrugated board.    TECHNOLOGY FOCUS - CERAMICS AND GLASS - Preferred Component: The device may be arranged on corrugated glass.    TECHNOLOGY FOCUS - ELECTRONICS - Preferred Component: The solidified electrolyte has a continuous or interrupted layer covering the active element and the gate electrode(s). The transistor channel may retain its redox state or return to its initial redox state upon removal of the gate voltage. The active element has a redox sink volume adjacent to the transistor channel. The device has at least two gate electrodes arranged on opposite sides of the active element so that one of the gate electrode is closer to the transistor channel and the other is closer to the redox sink volume.Preferred Process: The contacts, electrode(s, active element and/or electrolyte is deposited by printing or preferably coating methods. The polymer is deposited on the support by in situ polymerization. The contacts, electrode(s) and active element are patterned using a subtractive method (preferably chemical or gas etching) by scratching, scoring, scraping or milling.