Capacitor construction with oxidation barrier blocks

Details Capacitor construction with oxidation barrier blocks Capacitor construction with oxidation barrier blocks

1995-05-23

1996-09-24

Ledynh, Bot L.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

257306, 365149, H01G 406, G11C 1124

Patent

active

055596665

ABSTRACT:
A capacitor apparatus includes, a) a substrate having a node; b) an inner capacitor plate in ohmic electrical connection with the substrate node; c) an outer capacitor plate; d) a capacitor dielectric layer interposed between inner and outer capacitor plates; e) an electrically conductive reaction barrier layer interposed between the substrate node and the inner capacitor plate, the reaction barrier layer having outer lateral edges which are recessed beneath the inner capacitor plate; and f) oxidation barrier blocks being received over the recessed outer lateral edges beneath the inner capacitor plate. Methods of forming such a capacitor are also disclosed.

REFERENCES:
patent: 5371700 (1994-12-01), Hamada
patent: 5381302 (1995-01-01), Sandhu et al.
patent: 5392189 (1995-02-01), Fazan et al.

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