Flaked tantalum powder
AssigneeCabot Corporation
InventorJames A. Fife
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Abstract
The invention relates to flaked tantalum powders suitable for use in electrodes and capacitors. The tantalum powders have a mean particle size of about 2 to 55 micrometers, a BET surface area greater than about 0.5 m.sup.2 /g, and an aspect ratio between about 2 and 50. The powders are in the form of fractured flakes, which contain substantially no tapering of their peripheral edges.
Claims18
A flaked tantalum powder comprised of reduced size flakes without substantial tapering of the peripheral edges thereof and having a mean particle size in the range of about 2 to about 55 micrometers and a BET surface area greater than about 0.5 m.sup.2 /g;
- and as aspect ratio between about 2 and about 50.
Dependencies are inferred from the claim text.