Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent
1993-04-09
1998-10-13
Nuzzolillo, M.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
174 50, 174 61, H01M 208
Patent
active
058210113
ABSTRACT:
A body implanted device including a container having an opening through which extends an electrical feedthrough. The feedthrough includes a terminal of bio-stable material. A glass insulator is positioned around the terminal. The glass insulator is chosen from a CABAL-12 type composition or variation thereof. The terminal is comprised of a material which has thermal expansion characteristics compatible with the glass seal. For glass seals having a thermal expansion in the range of 6.8 to 8.0.times.10.sup.-6 in/in/.degree.C. the terminal is comprised of a thin layer of titanium metallurgically clad over niobium or tantalum. For glass seals having a thermal expansion in the range of 8.0 to 9.0.times.10.sup.-6 in/in/.degree.C. the terminal is comprised of platinum, platinum-iridium or alloys of either, or of pure titanium.
REFERENCES:
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patent: 4556613 (1985-12-01), Taylor et al.
patent: 4678868 (1987-07-01), Krasha
patent: 5015530 (1991-05-01), Brow et al.
patent: 5021307 (1991-06-01), Brow et al.
Watkins et al. abstracts.
Watkins (see parent).
Halperin Louis E.
Kraska Robert E.
Lessar Joseph F.
Taylor William J.
Medtronic Inc.
Nuzzolillo M.
Patton Harold R.
Woods Thomas F.
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