Electrolytic capacitor and multi-anodic attachment

Details Electrolytic capacitor and multi-anodic attachment Electrolytic capacitor and multi-anodic attachment

2005-04-19

2005-04-19

Nguyen, Ha Tran (Department: 2812)

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

C361S520000

Reexamination Certificate

active

06881232

ABSTRACT:
A multi-anodic aluminum electrolytic capacitor includes an electrical connection to the multiple porous (e.g., tunnel-etched) anodes in an anode stack using a single anode tab that is attached only to a first anode. Other anodes are electrically coupled to the anode tab through the first anode. Anodes in the anode stack are in intimate physical and electrical contact with other such anodes as a result of layering effected by planar stacking or cylindrical winding. The need for separate tabs to different anode layers is eliminated or at least minimized, thereby reducing capacitor volume, increasing capacitor reliability, and reducing the cost and complexity of the capacitor manufacturing process for multi-anodic capacitors. The capacitor is capable of use in implantable defibrillators, camera photoflashes, and other electric circuit applications.

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