| 1. | Anode-grid capacitance is not especially low in these designs.
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| 2. | In some tubes, the metal envelope is also the anode.
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| 3. | Galvanic corrosion is often prevented by the use of sacrificial anodes.
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| 4. | Where this is a possibility, zinc anodes may be used.
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| 5. | For example, iron anodes can be used to protect copper.
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| 6. | The better the coating, the less anode material is needed.
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| 7. | Excavation and replacement of the anodes is required as they corrode.
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| 8. | The rectifier output DC positive cable is connected to the anodes.
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| 9. | Ions from the plasma are repelled by the anode electric field.
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| 10. | On the anode, bubbles of oxygen and chlorine gas form.
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