Invention Grant
- Patent Title: Solid electrolytic capacitor with improved mechanical stability
- Patent Title (中): 具有改善机械稳定性的固体电解电容器
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Application No.: US13045584Application Date: 2011-03-11
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Publication No.: US08582278B2Publication Date: 2013-11-12
- Inventor: Stanislav Zednicek
- Applicant: Stanislav Zednicek
- Applicant Address: US SC Fountain Inn
- Assignee: AVX Corporation
- Current Assignee: AVX Corporation
- Current Assignee Address: US SC Fountain Inn
- Agency: Dority & Manning, P.A.
- Main IPC: H01G4/228
- IPC: H01G4/228 ; H01G9/00

Abstract:
A capacitor containing a solid electrolytic capacitor element that includes an anode, dielectric, and a cathode that includes a solid electrolyte is provided. An anode lead extends from the anode and is electrically connected to an anode termination. Likewise, a cathode termination is electrically connected to the cathode. The cathode termination contains an upstanding portion that is oriented generally perpendicular to the lower surface of the capacitor element, and first and second planar portions that are oriented generally parallel to the lower surface of the capacitor. The first and second planar portions are interconnected by a folded region so that the first portion is positioned vertically above the second portion. Thus, after encapsulating the capacitor element with a molding material, the second planar portion remains exposed for subsequent connection to an electrical component. However, due to its higher vertical position, the first planar portion can be completely encapsulated by the molding material. In addition, the upstanding portion of the cathode termination is also substantially encapsulated by the molding material. By encapsulating both planar and upstanding portions of the cathode termination with the molding material, the present inventors have discovered that the likelihood of delamination is reduced even if a portion of the molding material cracks. This improves mechanical stability and electrical performance.
Public/Granted literature
- US20120229956A1 Solid Electrolytic Capacitor with Improved Mechanical Stability Public/Granted day:2012-09-13
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