Claims
- 1. Agglomerated particles obtained by a method to agglomerate tantalum or niobium particles or both comprising:a) combining a volatilizable or vaporizable liquid with particles comprising tantalum, niobium, or both to form wet particles, wherein the volatilizable or vaporizable liquid is added in an amount to form a paste but not a slurry and said particles soak in said volatilizable or vaporizable liquid; b) compacting the wet particles; c) drying the wet compacted particles to form a cake; and d) heat treating the cake.
- 2. Agglomerated particles of claim 1, wherein said compacting is accomplished by vibrating said wet particles in a container.
- 3. Agglomerated particles of claim 1, wherein said compacting is accomplished by applying pressure to said wet particles.
- 4. The agglomerated particles of claim 1, wherein said particles have a flow rate of at least about 65 mg/sec and a pore size distribution greater than unagglomerated particles.
- 5. The particles of claim 4, wherein said particles have a flow rate of at least about 100 mg/sec.
- 6. The particles of claim 4, wherein said particles have a flow rate of at least about 150 mg/sec.
- 7. The particles of claim 4, wherein said particles have a flow rate of at least about 175 mg/sec.
- 8. The particles of claim 4, wherein said particles have a flow rate of at least about 200 mg/sec.
- 9. The particles of claim 4, wherein said particles comprise niobium.
- 10. The particles of claim 4, wherein said particles comprise tantalum.
- 11. The particles of claim 4, wherein said pore size distribution is greater than unagglomerated particles by at least 10% with respect to greater diameter pores.
- 12. The particles of claim 4, wherein said particles are nodular tantalum powder.
- 13. The particles of claim 4, wherein said particles are nodular niobium powder.
- 14. The particles of claim 12, wherein said particles have a Scott Density of at least 20 g/inch3.
- 15. The particles of claim 12, wherein said particles have a Scott Density of about 20 g/inch3 to about 40 g/inch3.
- 16. A capacitor component comprising the tantalum powder of claim 10.
- 17. A capacitor component comprising the niobium powder of claim 9.
- 18. The capacitor component of claim 16, wherein said component is a capacitor anode.
- 19. The capacitor component of claim 17, wherein said component is a capacitor anode.
- 20. The agglomerated particles of claim 1, wherein said particles are nodular tantalum powder.
- 21. The agglomerated particles of claim 1, wherein said particles are nodular niobium powder.
- 22. The agglomerated particles of claim 2, wherein said particles are nodular tantalum powder.
- 23. The agglomerated particles of claim 2, wherein said particles are nodular niobium powder.
- 24. The agglomerated particles of claim 3, wherein said particles are nodular tantalum powder.
- 25. The agglomerated particles of claim 3, wherein said particles are nodular niobium powder.
- 26. A capacitor component comprising the agglomerated particles of claim 1.
- 27. The capacitor component of claim 26, wherein said component is a capacitor anode.
- 28. The capacitor component of claim 27, wherein said agglomerated particles is nodular tantalum powder.
- 29. The capacitor component of claim 27, wherein said agglomerated particles are nodular niobium powder.
- 30. A capacitor component comprising the agglomerated particles of claim 2.
- 31. The capacitor component of claim 30, wherein said component is a capacitor anode.
- 32. The capacitor component of claim 31, wherein said agglomerated particles are nodular tantalum powder.
- 33. The capacitor component of claim 31, wherein said agglomerated particles are nodular niobium powder.
- 34. A capacitor component comprising the agglomerated particles of claim 3.
- 35. The capacitor component of claim 34, wherein said component is a capacitor anode.
- 36. The capacitor component of claim 35, wherein said agglomerated particles are nodular tantalum powder.
- 37. The capacitor component of claim 35, wherein said agglomerated particles are nodular niobium powder.
- 38. The agglomerated particles of claim 1, wherein said tantalum, niobium, or both have pores wherein said volatilizable or vaporizable liquid in step a) soaks into said pores.
Parent Case Info
This application is entitled to benefit from prior Provisional Patent Application No. 60/086,601 filed May 22, 1998, which is incorporated in its entirety by reference herein.
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Provisional Applications (1)
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Number |
Date |
Country |
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60/086601 |
May 1998 |
US |