しんくうかん
真空管
1. vacuum tube
2. Vacuum tubeIn electronics, a vacuum tube, electron tube (in North America), thermionic valve, tube or valve is a device controlling electric current through a vacuum in a sealed container. The container is often thin transparent glass in a roughly cylindrical shape. Within the glass is a vacuum with a cathode and anode at either end. Electrons flow from the cathode to the anode through the vacuum, a demonstration of the Edison effect.
Read “Vacuum tube” on English Wikipedia
Read “真空管” on Japanese Wikipedia
Read “Vacuum tube” on DBpedia
Read “Vacuum tube” on English Wikipedia
Read “真空管” on Japanese Wikipedia
Read “Vacuum tube” on DBpedia
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