EMI filter terminal assembly with wire bond pads for human implant applications
First Claim
Patent Images
1. An electromagnetic interference filter terminal assembly, comprising:
- a capacitor having first and second sets of electrode plates, the second set of electrode plates being conductively coupled to a ground;
a structural pad disposed adjacent to the capacitor and including a wire bond pad conductively coupled to the first set of electrode plates; and
a lead wire conductively coupled to the structural pad;
wherein the structural pad is configured to at least partially protect the capacitor from forces incident to conductive coupling of the lead wire to the first set of electrode plates.
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Abstract
An electro-magnetic interference filter terminal assembly for active implantable medical devices includes a structural pad in the form of a substrate or attached wire bond pad, for convenient attachment of wires from the circuitry inside the implantable medical device to the capacitor structure via thermal or ultrasonic bonding, soldering or the like while shielding the capacitor from forces applied to the assembly during attachment of the wires.
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Citations
176 Claims
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1. An electromagnetic interference filter terminal assembly, comprising:
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a capacitor having first and second sets of electrode plates, the second set of electrode plates being conductively coupled to a ground;
a structural pad disposed adjacent to the capacitor and including a wire bond pad conductively coupled to the first set of electrode plates; and
a lead wire conductively coupled to the structural pad;
wherein the structural pad is configured to at least partially protect the capacitor from forces incident to conductive coupling of the lead wire to the first set of electrode plates. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94)
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95. An electromagnetic interference filter terminal assembly for an active implantable medical device, comprising:
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a conductive ferrule conductively coupled to a housing of the active implantable medical device;
a feedthrough capacitor having first and second sets of electrode plates, the second set of electrode plates being conductively coupled to the ferrule;
a conductive terminal pin extending through the capacitor and conductively coupled to the first set of electrode plates;
a structural pad including a wire bond pad disposed adjacent to the capacitor; and
a lead wire conductively coupled to the first set of electrode plates by means of the structural pad;
wherein the structural pad is configured to at least partially protect the capacitor from forces incident to conductive coupling of the lead wire to the first set of electrode plates. - View Dependent Claims (96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176)
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Specification