inverse piezoelectric effectinverse saturation currentinverse square lawinverse transforminverse voltageinversioninversion integralinversion layerinvertinvertedinverted cone antennainverted diodeinverted fileinverted l antenna l antennainverted magnetroninverterinverter amplifierinverter circuitinverter stageinverter transformerinverting amplifier inverterinverting functioninverting inputinverting terminalinvertorinvestigateinvestigationinvisibleinvisible radiationinvisible raysiocionion acceleratorion back scatteringion beamion beam scanningion bombardmention chargingion cloudion concentrationion currention densityion driftion implantationion implanted resistorion latticeion mobilityion pairion platingion pump