Invention Grant
US07866031B2 Method of manufacturing a vacuum encapsulation having an empty chamber 有权
制造具有空腔的真空封装的方法

Method of manufacturing a vacuum encapsulation having an empty chamber
Abstract:
A seal is provided around a vacuum interrupter and an air-filled cavity, and a tube is provided within the seal. The tube has a first end open to the air-filled cavity and a second end open to an exterior of the seal. The seal, the vacuum interrupter, and the air-filled cavity are encapsulated.
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