Solid state electrolytic capacitor

摘要

The solid state electrolytic capacitor has a substrate (12) of conducting silicon onto which is formed an isolating film (15) in which a number of contact holes are formed. Contact layers (18) are formed in the holes and have coatings of tantalum (17) and chips of sintered tantalum powder are in contact. A number of solid state electrolytic layers are isolated from the tantalum . A number of cover layers are formed on the surface with apertures. A common encapsulation is formed over the layers and an anode is made on the underside of the substrate.