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Thick-film technology

 Thick-film technology allows fabrication of electronic circuits by an additive method: screen printing of pastes (or inks) onto a substrate.Thick film technology is traditionally an additive process, that is the various components are produced on the substrate by applying ‘inks’ (or ‘pastes’) and are added sequentially to produce the required conductor patterns and resistor values.
Different formulations of paste are used to produce
*        conductors
*        resistors
*        dielectrics (for crossovers or, occasionally, capacitors)
And each ink contains
*        a binder, a glassy frit
*        the carrier, organic solvent systems and plasticizers
*        the materials to be deposited, typically pure metals, alloys, and metal oxides.
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