Capacitor
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United States of America Patent
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Nov 9, 1999
Issued Date -
N/A
app pub date -
Apr 1, 1998
filing date -
Mar 22, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A capacitor includes a cathode having a porous coating including an amorphous non-crystalline oxide of one of ruthenium, iridium, nickel, rhodium, rhenium, cobalt, tungsten, manganese, tantalum, molybdenum, lead, titanium, platinum, palladium, and osmium; an anode including a metal selected from the group consisting of tantalum, aluminum, niobium, zirconium, and titanium, provided the cathode and the anode metals are different, spaced from the porous coating; and an electrolyte in contact with the porous coating and the anode.
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