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| Corona is the result of ionization of gas (air, oxygen, etc.), which is caused by a high voltage field. This extremely destructive phenomena usually results in slow degradation of insulating materials that can result in latent failures. Careful design, consistent manufacturing processes, eliminating air entrapment in encapsulation, and a thorough understanding of corona causes are required to minimize this problem. |
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| Last revised: 03 Nov 2010 |