Capacitor substrates made of refractory metal nitrides

Electricity: electrical systems and devices – Electrolytic systems or devices – Liquid electrolytic capacitor

Reexamination Certificate

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C361S502000, C361S504000, C361S509000, C361S512000, C361S523000, C361S528000, C029S025030

Reexamination Certificate

active

06927967

ABSTRACT:
Electrolytic capacitor powder substrates are provided of refractory metal nitrides to reduce instability at a substrate-oxide (as formed) interface whereby the resultant capacitor sensitivity to hear, bias and frequency is reduced.

REFERENCES:
patent: 2950185 (1960-08-01), Hellier et al.
patent: 4537641 (1985-08-01), Albrecht et al.
patent: 5948447 (1999-09-01), McHaney et al.
patent: 6075691 (2000-06-01), Duenas
patent: 6185090 (2001-02-01), Pozdeev-Freeman
patent: 6312642 (2001-11-01), Fife
patent: 6452777 (2002-09-01), Naito
Tripp, T.B., “Tantalum: A New Substrate for Solid Electrolyte Capacitors.” H.C. Stark Inc., Newton Mass, no date.

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