Implantable medical device having flat electrolytic capacitor fabricated with expansion riveted anode sheets
US6836683B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2002 |
| Grant date | Dec 28, 2004 |
| Priority date | — |
| Expiry date | Jul 12, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/3956
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Implantable medical devices (IMDs) and their various components, including flat electrolytic capacitors for same, and methods of making and using same, particularly an improved electrolytic capacitor fabricated of an electrode stack assembly comprising a plurality of capacitor layers stacked in registration upon one another. Each capacitor layer comprises a cathode layer having a cathode tab, an anode layer having an anode tab, and a separator layer located between adjacent anode and cathode layers. The anode layer is fabricated of side-by-side stacked anode sheets joined together by at least one malleable member that is fitted into substantially aligned anode sheet bores extending through each sheet and expanded therein to bear against the valve metal core layer of the anode sheets exposed by the bores to effect electrical and mechanical connection of the anode sheets and the anode tab.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.