发明授权
US07828622B1 Sharpening metal carbide emitters 有权
磨削金属碳化物放射体

Sharpening metal carbide emitters
摘要:
A method for sharpening a metal carbide emitter tip is disclosed. The metal carbide emitter tip is exposed to an oxygen rich, low vacuum environment when the metal carbide emitter tip is at a first temperature. The metal carbide emitter tip is rapidly heated to a higher second temperature at regular intervals of time.
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