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1 March 1974 Laser Microprinter
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Abstract
A real-time, non-photographic, high-resolution Laser Microprinter without photographic film and processing is presented. It produces permanent 35 millimeter slides of special metallic thin-films, by means of laser scanning of 81/2" x 9" half-tone pictures. Laser scanning occurs with a rotating drum system. Transfer of the original picture content takes place by means of AM/PDM conversion of the backscattered reading laser intensity, to pulse-duration modulation of the printing laser. Actual Laser Microprinting comprises 20 linear density steps of 0.1, by means of changing the "hole" size in the metal thin-film of the microprint.
© (1974) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Carl H. Becker "Laser Microprinter", Proc. SPIE 0053, Laser Recording and Information Handling Technology I, (1 March 1974); https://doi.org/10.1117/12.954212
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