This unit process represents the production/service of 1JPY of miscellaneous electronic tube ,in Japan created from statistical information and other sources.
This product includes Receiving Tube, Transmitting Tube, Display Tube, Discharge Tube, Camera Tube, Phototube, X-Ray Tube, Rectifier Tube, Natural Cooling Tube, Forced Cooling Tube, Electron Gun, Plasma Display Element. The system boundary of this process is "(glass bulb for electron tube and ordinary cold rolling sheets steel etc.) -> processing/assembly -> packing."