Abstract

AbstractThe local cathodoluminescence (CL) of polyethyleneterephthalate (PETP) films has been investigated by means of the SEM. We observed a change in both the intensity and the wavelength of CL depending on the charge injected. The observed changes in the CL spectra of PETP films are irreversible. This makes it possible to employ such films as carriers of information recorded by a fine electron beam with a density of 108 bit/cm2.

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