| 摘要 |
PURPOSE: A vacuum bottle with a getter heating unit is provided to maintain the vacuum degree of a space less than a setting vacuum degree by frequently heating a getter. CONSTITUTION: A vacuum bottle with a getter heating unit comprises an inner wall(1), an outer wall(2), a space(3) between the inner and outer walls, a getter(6), a electric heater(7), and an electric socket(10). An air exhaust tube(5) is formed in the bottom of the outer wall and maintains vacuum of the space. The getter is installed inside the space. The electric heater is installed inside the space and heats the getter. The electric socket is exposed from the bottom of the outer wall and supplies electricity to the heater.
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