PHOSPHOR SCREEN MANUFACTURING PROCESS OF COLOR T.V.

摘要

Manufg. device for fluorescent screen of color brown tube comprises a supply system of fluorescent slurry to the brown tube, a supplement system of fluorescent slurry, and control system of sp. gr. of fluorescent slurry. In order for sp. gr. of suspension of fluorescent slurry to keep constant, the sp. gr. is measured by a detecting device in the supplying line and correction soln. is supplied. The electric signal from the detecting device is input to a controlling device. The controlling device supplies the correction soln. by a electro-magnetic valve.