tantalum powder us3647415

Patent US20070129696 - Articles comprising …

The present invention provides a translucent absorbent composite having a substrate with a light transmittance of at least about 60% and a flexible superabsorbent ...

Patent US5211741 - Flaked tantalum …

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 ...

Patent US3141235 - Powdered tantalum …

Powdered tantalum articles US 3141235 A. Samenvatting beschikbaar in het . Afbeeldingen (2) Claims beschikbaar in het . Beschrijving (OCR-tekst kan fouten …

TANTALUM POWDER FOR SINTERED …

United States Patent US3647415 Note: If you have problems viewing the PDF, please make sure you have the latest version of Adobe Acrobat. [ PDF help]

Process for producing valve-metal anodes …

To produce valve-metal anodes for electrolytic capacitors, reducing agents are added to the already sintered and/or unsintered anode bodies to improve the electrical ...

Patent US9424997 - Systems and methods …

US3647415: 21 Oct 1968: 7 Mar 1972: Show Denko Kk: ... Tantalum powder, method for producing same powder and sintered anodes obtained from it: US6241751: 22 Apr 1999:

Patents - Google Books

Try the new Google Patents, ... US3647415 * 21 Oct 1968: 7 Mar 1972: Show Denko Kk: Tantalum powder for sintered capacitors: US3789502 * 5 Jun 1972:

Patent US7649730 - Wet electrolytic …

Wet electrolytic capacitor containing a plurality of thin powder ... US3647415: 21 Oct ... Process for making an improved tantalum powder and high capacitance low ...

Patent US20070083175 - …

The present invention provides a translucent absorbent composite having a substrate with a light transmittance of at least about 60% and an absorbent material applied ...

Patent US3418106 - Refractory metal …

Refractory metal powder US 3418106 A. Abstract available in . Images (4) ...

Patent US4441927 - Tantalum powder …

An ingot-derived agglomerated tantalum powder composition comprising a select granular tantalum powder and including a critical proportion of a select flaked tantalum ...

Patent US8364259 - High voltage capacitor …

The integrated failure point may include a narrowed portion of a high voltage lead and a grounded lead having a ... US3647415: 21 Oct 1968: 7 ... Tantalum powder, ...

Patent US3647415 - Tantalum powder for …

Tantalum powder for electrolytic capacitors wherein tantalum particles in said powder have an average flakiness of 2 to 60, at least 80 percent by weight of said ...

Brevetto US4441927 - Tantalum powder …

An ingot-derived agglomerated tantalum powder composition comprising a select granular tantalum powder and including a critical proportion of a select flaked tantalum ...

Patent US20070211413 - Wet electrolytic …

The tantalum powder loaded cans were then sintered at a pressure of less than 50 millitorr and at a temperature of 1825° C. for 30 ... US3647415 * 21 Oct 1968: 7 Mar ...

Patent US4582530 - Method of making a …

In the production of a vanadium group valve metal powder, especially tantalum, the reaction mixture of a double fluoride salt of the valve metal and metallic sodium ...

Patent USRE32260 - Tantalum powder and …

Tantalum powder capable of producing anodes of improved electrical capacitance is prepared by the addition of phosphorus-containing materials in amounts from about 5 ...

Patent EP0284738A3 - Platelet-containing …

Platelet-containing tantalum powders EP 0284738 A3. Abstract available in . Description available in . Claims available in ...

Patent US3473915 - Method of making …

A tantalum powder with most of its particles being less than ten microns is ... Method of producing tantalum or niobium powder from compact bodies: US3647415 * 21 okt ...

Patent US20080233420 - Production of high …

The present invention relates to a high-purity tantalum flake powder, produced by a hydride-dehydride process including: (a) cold working tantalum metal into a thin ...

Patent US4483819 - Production of highly …

Production of highly capacitive agglomerated valve metal powder and valve metal electrodes for the production of electrolytic capacitors US 4483819 A

Patent US7554792 - Cathode coating for a …

Try the new Google Patents, ... US3647415: 21 Oct 1968: 7 Mar 1972: ... Process for making an improved tantalum powder and high capacitance low leakage electrode …

Patent US6673134 - Fine copper powder …

Fine copper powder and process for producing the same ... US3647415 * 21 Oct 1968: 7 Mar 1972: Show Denko Kk: Tantalum powder for sintered capacitors: US3941584 * 19 ...

Patent US5211741 - Flaked tantalum …

The flaked tantalum powder of the present invention can be prepared from such conventionally prepared flaked tantalum powder by reducing ... US3647415 * 21 Oct …

Patents - Google Books

Try the new Google Patents, ... US3647415: 21 Oct 1968: 7 Mar 1972: Show Denko Kk: Tantalum powder for sintered capacitors: US4059116: 12 Jan 1976: 22 Nov 1977:

Patent US3415639 - Method for the …

Method for the manufacture of tantalum and/or ... Method of producing tantalum or niobium powder from compact bodies: US3647415 ... Tantalum powder for producing …

Patent US8257463 - Capacitor anode …

1. An electrolytic capacitor comprising an anode that is formed from a tantalum powder that is milled and thereafter compressed into the shape of the anode, the ...

Patent US3415639 - Method for the …

Method for the manufacture of tantalum and/or niobium powder US 3415639 A. Abstract available in . Images (2) ...

Patent US3992192 - Metal powder …

Production of tantalum powder: US3647415 * 21. Okt. 1968: 7. März 1972: Show Denko Kk: Tantalum powder for sintered capacitors: US3829310 * 30. Apr. 1973: 13. Aug. 1974:

Patent US20030115985 - Method to …

A method to agglomerate metal particles such as tantalum and niobium powders is described which includes combining a volatilizable or vaporizable liquid with the ...

Patent US8873220 - Systems and methods …

US3647415: 21 Oct 1968: 7 Mar 1972: Show Denko Kk: Tantalum powder for sintered capacitors: ... Systems and methods to connect sintered aluminum electrodes of an ...

Patent US20100085685 - Capacitor Anode …

A pressed anode formed from an electrically conductive powder that contains a plurality of coarse agglomerates and fine agglomerates is provided.

Patent US5211741 - Flaked tantalum …

1. 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 ...