Corona wire
A high-voltage wire in the ESDA instrument that deposits electrostatic charge uniformly over the Mylar surface; charge density is higher at points where the Mylar is depressed into indented furrows, producing the latent charge image.
A high-voltage wire in the ESDA instrument that deposits electrostatic charge uniformly over the Mylar surface; charge density is higher at points where the Mylar is depressed into indented furrows, producing the latent charge image.
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