Characteristics of lead-free transparent dielectrics contaminated with moisture

Young Jei Oh, Byung Koog Jang, Hyun Oh Kim, Dae Soon Lim

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    A green sheet of lead-free transparent dielectrics for the upper panel in a plasma display panel (PDP) was prepared by the tape-casting method. The dispersion characteristics of dielectric frit powder contaminated with moisture of 0-0.1 wt% were investigated to evaluate the properties of the fired transparent dielectric films. The dispersion stability was not severely affected by moisture up to 0.1 wt% on the frit powder, but agglomerations, together with precipitation of the powders, occurred under all conditions of moisture contamination. Moisture affects the pore size and distribution of the fired transparent dielectric thin films, which reduces the strength of the green sheet and withstanding voltage of the films fired.

    Original languageEnglish
    Pages (from-to)134-137
    Number of pages4
    JournalMaterials Chemistry and Physics
    Volume129
    Issue number1-2
    DOIs
    Publication statusPublished - 2011 Sept 15

    Keywords

    • Green sheet
    • Moisture contamination
    • Plasma display panel (PDP)
    • Transparent dielectric

    ASJC Scopus subject areas

    • General Materials Science
    • Condensed Matter Physics

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