Tantalum powder with improved capacitor anode processing charact

Details Tantalum powder with improved capacitor anode processing charact Tantalum powder with improved capacitor anode processing charact

1989-09-28

1990-11-06

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

75245, 241 17, 419 31, 419 33, 419 66, B22F 100

Patent

active

049684817

ABSTRACT:
Ingot-derived and sodium-reduced agglomerated tantalum powders having improved flow characteristics and lead pull-out strength that find particular utility in manufacture of anodes for capacitors. Powder size distribution is in the range of -60 to +400 mesh, preferably -60 to +250 mesh, containing less than 5 wt % powder above the upper and below the lower range limits.

REFERENCES:
patent: 3934179 (1976-01-01), Pierret

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