Solid electrolytic capacitor
Provided is a high-voltage solid electrolytic capacitor having a rated voltage of several hundreds of volts. After an amorphous anodic oxide film layer is formed on a roughened surface of an aluminum foil by way of a first conversion treatment, a hydrated film is formed by way of boiling water immer...
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| Main Authors | , |
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| Format | Patent |
| Language | Chinese English |
| Published |
23.01.2013
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| Subjects | |
| Online Access | Get full text |
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| Abstract | Provided is a high-voltage solid electrolytic capacitor having a rated voltage of several hundreds of volts. After an amorphous anodic oxide film layer is formed on a roughened surface of an aluminum foil by way of a first conversion treatment, a hydrated film is formed by way of boiling water immersion (or a suitable alternative) and partial consumption of the amorphous anodic oxide film layer; the hydrated film and the remaining amorphous anodic oxide film layer are provided with a second conversion treatment at a formation voltage lower than that of the first conversion treatment such that an anodic foil is formed from reoxidation of the partially consumed amorphous anodic oxide film layer; and a conductive polymeric layer is formed on a surface of hydrated film located upon the anodic foil. |
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| AbstractList | Provided is a high-voltage solid electrolytic capacitor having a rated voltage of several hundreds of volts. After an amorphous anodic oxide film layer is formed on a roughened surface of an aluminum foil by way of a first conversion treatment, a hydrated film is formed by way of boiling water immersion (or a suitable alternative) and partial consumption of the amorphous anodic oxide film layer; the hydrated film and the remaining amorphous anodic oxide film layer are provided with a second conversion treatment at a formation voltage lower than that of the first conversion treatment such that an anodic foil is formed from reoxidation of the partially consumed amorphous anodic oxide film layer; and a conductive polymeric layer is formed on a surface of hydrated film located upon the anodic foil. |
| Author | SMITH ALEX D DOMINEY LAWRENCE A |
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| Notes | Application Number: CN201180017694 |
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| Snippet | Provided is a high-voltage solid electrolytic capacitor having a rated voltage of several hundreds of volts. After an amorphous anodic oxide film layer is... |
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| SubjectTerms | BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY |
| Title | Solid electrolytic capacitor |
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