Multi-path, mono-polar co-fired hermetic electrical...

Details Multi-path, mono-polar co-fired hermetic electrical... Multi-path, mono-polar co-fired hermetic electrical...

2007-01-16

2007-01-16

Dinkins, Anthony (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

C361S313000, C361S321200, C607S001000, C607S005000

Reexamination Certificate

active

11227523

ABSTRACT:
An electrical feedthrough assembly according to the invention can be used as a component of an implantable medical device (IMD) and/or or electrochemical cell. An IMD includes implantable pulse generators, cardioverter-defibrillators, physiologic sensors, drug-delivery systems, etc. Such assemblies require biocompatibility and resistance to degradation under applied bias current or voltage. In some forms of the invention, such assemblies are fabricated by using electrically common, multiply-interconnected electrical pathways including metallized vias and interlayer structures of conductive metallic material within bores and between ceramic layers. The layers are stacked together and sintered to form a substantially monolithic dielectric structure with at least one electrically common embedded metallization pathway extending through the structure. The metallization pathway reliably conducts electrical signals even when exposed to body fluids and tissue and providing electrical communication between internal IMD circuitry and active electrical components and/or circuitry coupled to the exterior of an IMD.

REFERENCES:
patent: 4213004 (1980-07-01), Acker et al.
patent: 5905627 (1999-05-01), Brendel et al.
patent: 6567259 (2003-05-01), Stevenson et al.
patent: 6765779 (2004-07-01), Stevenson et al.
patent: 6888715 (2005-05-01), Stevenson et al.

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