| 摘要 |
PURPOSE: An apparatus and a method for sealing substrates of a field emission display device are provided to control accurately the high temperature in a sealing process by contacting a temperature control gauge with a surface of a substrate. CONSTITUTION: An optical fiber(29) is arranged on an edge portion between a front substrate(26) and a rear substrate(21). A sealing process is performed on an outline of the optical fiber(29) by using a glass material(30). A plurality of temperature gauges(34a,34b) are used for controlling the temperature of the front substrate(26) and the rear substrate(21) in the sealing process. A plurality of substrate support holders(24) have sharp end portions to support the front substrate(26) and the rear substrate(21). A plurality of heaters(32) are installed at a predetermined position apart from the front substrate(26) and the rear substrate(21). A gas injection hole(25) and a gas exhaust hole(31) are formed at one of the front substrate(26) and the rear substrate(21). An argon/hydrogen gas injector(27) is installed at the gas injection hole(31).
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