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Fabrication: Conductive polymer hybrid aluminum electrolytic capacitors

The manufacturing process flow for the Conductive Polymer Hybrid Aluminum Electrolytic Capacitors is as follows


The anode foil, cathode foil, and electrolyte paper are cut to the specified width from the source rolls of the specified length.

2.Lead Attachment

Leads for contacting the cathode and anode foil electrodes are attached either by crimping or by ultrasonic welding.


The electrolytic paper is layered between the anode foil and the electrode foil. A coiled construction separates the electrodes. When the structure is coiled in this manner it is known as an "element."


The element is filled with the electrolyte(electrolytic solution + Polymer) using, for example, the vacuum method.


The rubber plug is attached to the filled element. Then, the element is placed in the case.


The specified voltage is applied to grow an anode oxide thin film on the cut surface end and on any flaws in the formed oxide thin film.

7.Printing / Lead processing

Print the rated voltage, capacitance, polarity, etc. on the capacitor and process the lead to support SMD


All units are subjected to functional testing and cosmetic inspection. Non-conforming units are removed from production.