2A ring-shaped electrode used to limit the extent of an electric field, especially in a capacitor.
- The first and second shielding layers may be connected to each other through a guard ring, and may also be connected to a common voltage potential.
- The guard rings around these sensitive pins or shielding will act as return paths for the leaking nano amps.
- Based on the equalizing effect by each of the guard rings, the respective devices arranged in the interior areas are more evenly matched to equivalent devices in far-spaced guard rings.
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