Electrolytic capacitor and method for manufacturing the same

Details Electrolytic capacitor and method for manufacturing the same Electrolytic capacitor and method for manufacturing the same

2005-07-12

2005-07-12

Thomas, Eric W. (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C361S540000, C361S538000, C029S025030

Reexamination Certificate

active

06917514

ABSTRACT:
A solid electrolytic capacitor includes a valve metal sheet having a porous portion on one side of the sheet, a dielectric layer formed on the porous portion, a solid electrolyte layer formed on the dielectric layer, a collector layer formed on the solid electrolyte layer, a through-hole electrode connected to the collector layer and penetrating the valve metal sheet to be exposed to the other side of the sheet, and an electrode terminal insulated from the through-hole electrode and connected to the valve metal sheet. The capacitor further includes an insulating portion penetrating the valve metal sheet and a penetration electrode penetrating the insulating portion. The solid electrolytic capacitor has a large capacitance and an excellent radio frequency response, and can be easily mounted on a semiconductor device.

REFERENCES:
patent: 6510045 (2003-01-01), Mido et al.
patent: 6775126 (2004-08-01), Fujii et al.
patent: 6785147 (2004-08-01), Miki et al.
patent: 6822849 (2004-11-01), Miki et al.
patent: 6852137 (2005-02-01), Miki et al.
patent: 6855177 (2005-02-01), Fujii et al.

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