18 June 1993 Digital ferroelectric printhead technology
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Abstract
Ferroelectric liquid crystals based on the smectic C* phase have been shown to have fast electro-optic switching by many workers. The development of a video rate VGA display by Thorn EMI Central Research Laboratories has been recently reported. In this paper we report on the development of a ferroelectric technology for printing applications. We describe a printhead technology based on a ferroelectric liquid crystal shutter array. The feasibility of the technology has been demonstrated by building a 300 dpi printhead which has been incorporated into an Oce electrophotographic printer.
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Lewis Banks, R. Hedgley, Jean J.M.C.H. de la Rosette, Paul W. Surguy, Eric Spooner, "Digital ferroelectric printhead technology", Proc. SPIE 1912, Color Hard Copy and Graphic Arts II, (18 June 1993); doi: 10.1117/12.146290; https://doi.org/10.1117/12.146290
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