| 摘要 |
PURPOSE:To curtail manufacturing process and realize reduction of energy cost by eliminating unwanted heating and cooling of panels or valves through execution of baking, sealing and exhausting processes within the same furnace. CONSTITUTION:A panel 24 having a phosphor screen, an organic material film, and a metal vacuum-deposited film deposited on its internal surface and a funnel 28 having an electron gun 26 loaded at its neck 25 are disposed within a furnace 30 in such a manner that the neck 25 is located outside the furnace 30, while the sealing part is coated with a sealing agent 29 and the sealing parts are separated by the specified distance. An organic material remaining on the internal surface of panel 24 is dispersed and simultaneously the sealing agent 29 is melted through the first heating process and thereby the sealing parts of both the panel 24 and funnel 28 are brought in contact with each other via the sealing agent 29. Next, the panel 24 and funnel 28 are sealed together by controlling the temperature within the furnace 30, forming a sealed valve. Before the sealed valve temperature drops to the room temperature, the furnace temperature is raised again before it drops to a room temperature. During this temperature cycle, the inside of sealed valve is exhausted through an exhausting tube 272 of the neck 24. During this exhaustion, the furnace temperature is lowered and when exhaustion is completed, the exhausting tube 272 is sealed. |
