Back to results
US 2006/0187616 A1Published application
Wet tantalum capacitor usable without reformation and medical devices for use therewith
AssigneesKemet Electronics Corporation, Medtronic, Inc.
InventorsJohn Norton, Joachim Hossick-Schott, Mark Viste, Brian Melody, John Kinard
Life of this patent
Estimating the term…
Abstract
A therapeutic medical device system comprising an electrolytic capacitor including an anode, cathode and an electrolyte. The anode is anodized in an electrolyte comprises an aqueous solution of alkanol amine, phosphoric acid and an organic solvent preferably defined by formula 1: CH3—(OCH2CH2)m—OCH3 Formula 1 wherein m is an integer from 3 to 10.
Claims20
1-31. (canceled)
A method for fabricating a medical device comprising:
- forming a capacitor comprising the steps of:
- preparing a metal anode from a valve metal powder comprising anodizing the metal anode with an aqueous anodizing electrolyte comprising phosphoric acid, at least one organic solvent and alkanolamine;
- providing a cathode;
- activating said anode and said cathode with a working electrolyte;
- incorporating said capacitor into a circuit;
- and
- incorporating said circuit.
4 more elements
Dependencies are inferred from the claim text.