New 3-in. RGB densely packed YAG phosphor screens with a new green phosphor for HDTV projection CRT have been developed. The screens is fabricated using a centrifugal sedimentation method. The 10% screen spot diameter is 0.18 mm and the luminance of green phosphor screen is 7 $MUL 10$+4$/ cm/m$+2$/ at a cathode current of 0.5 mA and anode voltage of 29 KV. An experimental 48-in. TV set using the densely packed YAG projection CRT has very high resolution and 250 cd/m$+2$/ luminance.
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机译：新的3-in。 RGB浓密地填充了具有用于HDTV投影CRT的新型绿色磷光体的封装YAG磷光体屏幕。使用离心沉降法制造屏幕。 10％屏光点直径为0.18毫米，绿色磷光体屏幕的亮度为7 $ MUL 10 $ + 4 $ / cm / m $ + 2 $ /在0.5 mA和29kV的阳极电压的阴极电流下。实验48-in。使用密集包装的YAG投影CRT的电视机具有非常高的分辨率和250 CD / M $ + 2 $ /亮度。
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