Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1997-12-18
2000-02-29
Kincaid, Kristine
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
361307, 361329, 361305, 174152GM, 333182, 333185, 29 2542, H01G 435, H01G 4008
Patent
active
060317108
ABSTRACT:
A capacitive filter feedthrough assembly and method of making same are disclosed for shielding an implantable medical device such as pacemaker or defibrillator from electromagnetic interference or noise. A ferrule is adapted for mounting onto a conductive device housing by welding, soldering, brazing or gluing, and supports a terminal pin for feedthrough passage to a housing interior. A capacitive filter is mounted at the inboard side of a device housing, with capacitive filter electrode plate sets coupled respectively to the housing and the terminal pin by an electrically conductive combination of adhesive, brazing and soldering. In one embodiment of the invention, multiple capacitive filters are provided in an array within a common base structure, where each capacitive filter is associated with a respective terminal pin.
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Fraley Mary A.
Hoch Ronald F.
Seifried Lynn M.
Wolf William D.
Kincaid Kristine
Medtronic Inc.
Patton Harold R.
Thomas Eric W.
Woods Thomas F.
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