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Conductors

Conductors

Conductive materials are inkjet printed to build printed and hybrid electronics devices such as electrodes, RFID antennas, flexible sensor devices, smart blisters, interconnects on CIGS modules, touch panels and displays. Also transparent conductive electrodes can be printed with inkjet technology

Silver nano-particle ink is the most common type of conductive ink, often used for conductive tracks. Silver inks are available from a multitude of commercial suppliers, each with their specific characteristics. Inks are optimized for use with different printhead, adhesion and wetting on different substrates (eg PET, PEN or glass). Some suppliers even offer application specific optimization of their ink. Conductivity of silver inks can reach up to 50% bulk conductivity after sintering, which can typically be done at relatively low temperatures (as low as 120°C) using either thermal or photonic curing. Gold and copper nano-particle inks are also being developed, although less common than silver. Meyer Burger can advise in selecting the right ink and supplier for your application.

Another important group of materials are inks that replace ITO as a transparent electrode. With inkjet printing those materials can directly be deposited in a patterned and very thin layer. The organic conductor PEDOT is a well-known material, available from a number of commercial suppliers. Recently silver nanowire materials have been developed with a higher conductivity, especially when mixed with PEDOT.

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Sales Meyer Burger (Netherlands) B.V.

+31 (0) 40 2581 581

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