发明授权
US5922215A Method for making anode foil for layered electrolytic capacitor and
capacitor made therewith
失效
用于制造层状电解电容器和电容器的阳极箔的方法
- 专利标题: Method for making anode foil for layered electrolytic capacitor and capacitor made therewith
- 专利标题(中): 用于制造层状电解电容器和电容器的阳极箔的方法
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申请号: US732651申请日: 1996-10-15
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公开(公告)号: US5922215A公开(公告)日: 1999-07-13
- 发明人: Benjamin D. Pless , William H. Elias , Sam Parler , J. Scott McCall
- 申请人: Benjamin D. Pless , William H. Elias , Sam Parler , J. Scott McCall
- 申请人地址: CA Sunnyvale
- 专利权人: Pacesetter, Inc.
- 当前专利权人: Pacesetter, Inc.
- 当前专利权人地址: CA Sunnyvale
- 主分类号: A61N1/39
- IPC分类号: A61N1/39 ; H01G9/00 ; B44C1/22 ; C23F1/00
摘要:
A method for making anode foil plates for use with layered electrolytic capacitors and capacitors made with such plates. A high purity aluminum foil is provided for generation of anode foil plates. Sheets of the foil are highly etched to provide a very high surface area. Following the etch process, the foil is partially cut or punched into plates from the etched sheets in the general shape of the finished capacitor housing with a portion remaining connected to the supporting foil. The supporting foil with the partially punched-out etched plates are subjected to a forming process by applying a voltage to the plates in the presence of an electrolyte to provide formed anode foil plates with edges which do not have to be reformed during capacitor aging and which do not have any particulates at cut edges. The formed anode plates are layered with cathode plates and separators in a capacitor housing with an electrolyte to provide a finished capacitor.
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