WAVES IN CHARGED THIN PLATES I. N. Aliev , O. V. Gur'yanova , and V. Yu. Temlyantsev UDC 532.594:537.29 The spectrum of bending waves of a thin conducting plate bearing an electric charge is investigated. It is proved that there exists a critical value of the field upon exceeding which bending instability of the plate occurs. JEPTER74920199920 JEPTER7492020