熱線反射ガラスの電波反射に対する導電被膜の分割効果

概要

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Solar control glass often becomes an obstacle to television broadcast wave reception inside a room, because coated conductive films can reflect incident eletromagnetic waves with frequencies lower than that of the plasma oscillation of the films. Results of calculation of reflection coefficients from theoretical equations showed that the radio wave reflection from solar control glass decreases by dividing the conductive film into discontinuous segments with a periodic array. The segmental effect has been examined experimentally. Experimental results for the system of periodic conductive segments fixed on soda lime silicate glass agreed very well with the theoretical results when the edge effect of the array was very small. It was found also the power reflection coefficients for a aluminium foil segments of 25 mm square were less than 0.05 below 200 MHz.
1996-03-01