Method for poling a ceramic piezoelectric plate

Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Producing or treating inorganic material – not as pigments,...

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156 89, 264435, 264 61, 264104, 4251748E, B29C 3508

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active

056056591

ABSTRACT:
In the embodiments described in the specification, a ceramic piezoelectric plate is polarized by compressing the plate between electrode plates with intervening slightly conductive rubber sheets or by applying electric charge from a corona discharge device to one surface of the plate while the opposite surface is grounded until the applied charge is sufficient to create a breakdown.

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"Graphite Machining Made Easier!", EDM Today, Sep./Oct. 1993 Issue, pp. 24-30.

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