Anodized tantalum pellet for an electrolytic capacitor
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United States of America Patent
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-
May 15, 2001
Grant Date -
N/A
app pub date -
Sep 29, 1999
filing date -
Oct 1, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An anodized pressed valve metal powder pellet is described. The anodized pellet is particularly useful as an anode in an electrolytic capacitor having an improved breakdown voltage. The anodized pellet is formed by periodically holding the pellet at a constant voltage and allowing the current to decay over a period of time, or by turning the formation power supply off altogether during the anodization process. Either way provides an opportunity for heated electrolyte to diffuse from the anodized pellet.
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