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Browse Prior Art Database

Low Inductance Capacitor

IP.com Disclosure Number: IPCOM000093107D
Original Publication Date: 1967-May-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 55K

Publishing Venue

IBM

Related People

Hart, BE: AUTHOR

Abstract

A low-inductance, high-current capacitor 10 comprises a solid cathode block 11 of metal. The latter has a plurality of recesses 12 formed in its upper surface. An anode 13 is located within each recess 12. An anode 13 is spaced from the wall of block 11 by solder material 14. Each anode 13 is connected by multiple leads 15 to a spider element 16 soldered to the upper surface of anode plate 17 in the region adjacent aperture 18. Insulation separates block 11 and plate 17. Anodes 13 are preferably solid sintered tantalum cylinders. A seal 19 of epoxy resin, or the like, is placed over an anode 13 after it is installed within a recess 12. Leads 15 are preferably tantalum wires welded to a cylinder slug 13 and to a spider 16.

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Low Inductance Capacitor

A low-inductance, high-current capacitor 10 comprises a solid cathode block 11 of metal. The latter has a plurality of recesses 12 formed in its upper surface. An anode 13 is located within each recess 12. An anode 13 is spaced from the wall of block 11 by solder material 14. Each anode 13 is connected by multiple leads 15 to a spider element 16 soldered to the upper surface of anode plate 17 in the region adjacent aperture 18. Insulation separates block 11 and plate 17. Anodes 13 are preferably solid sintered tantalum cylinders. A seal 19 of epoxy resin, or the like, is placed over an anode 13 after it is installed within a recess
12. Leads 15 are preferably tantalum wires welded to a cylinder slug 13 and to a spider 16. By providing plural leads 15 from a cylinder 13 through a spider 16 to plate 17, a low-inductance characteristic is realized. For connection to an external circuit, terminals 20 are formed on block 11 and plate 17.

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