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Electrophotographically printed insulator

Gleskova, H. and Wagner, S. (2002) Electrophotographically printed insulator. Materials Letters, 52. pp. 150-153. ISSN 0167-577X

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Abstract

Because the toners for electrophotographic (laser) printing are based on electrically insulating organic polymers, digitally controlled patterned insulator layers can be printed directly. We fabricated Cr/printed-insulator/Cr capacitors with 10-μm- or 25-μm-thick laser-printed commercial toner layers as the dielectric between Cr electrodes. The capacitors had leakage currents of ∼1 nA/cm2 at the voltage of 100 V. The resistivity of the printed toner layer was ∼1013 Ω cm, the dielectric breakdown field ≥5×104 V/cm, and the dielectric constant ∼3.