Strong substrate alloy and compressively stressed dielectric...

Details Strong substrate alloy and compressively stressed dielectric... Strong substrate alloy and compressively stressed dielectric...

2005-01-12

2009-02-03

Ha, Nguyen T. (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C361S525000, C361S528000, C361S529000, C361S534000, C361S508000

Reexamination Certificate

active

07486498

ABSTRACT:
A capacitor anode (1) includes a substrate (10) which is formed from an alloy, metal, or metal compound which has a high tensile yield strength and high elastic modulus. The material has a composition which can be anodized, yielding an adherent and compressively stressed dielectric film (12) of pure, mixed, alloyed, or doped oxide that has a high usable dielectric strength (e.g., over 50 V/μm) and high dielectric constant (e.g., 20 to over 10,000). A capacitor formed from the anode has a high energy density.

REFERENCES:
patent: 5960252 (1999-09-01), Matsuki et al.
patent: 6033953 (2000-03-01), Aoki et al.
patent: 6373088 (2002-04-01), Kwok et al.
patent: 6507062 (2003-01-01), Joo
patent: 6818469 (2004-11-01), Wack et al.

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