Electrical Feedthrough Assembly
First Claim
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1. A feedthrough comprising:
- a body having a first side and a second side separated by a thickness;
a first conductive pad on the first side;
a second conductive pad on the second side; and
a plurality of conductive vias electrically connecting the first conductive pad and the second conductive pad.
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Abstract
A device includes a hermetically sealed case with electronic circuitry housed within. One surface of the hermetically sealed case includes a metallic plate and a co-fired ceramic electrical feedthrough with a number of vias. The co-fired ceramic electrical feedthrough is hermetically joined to the metallic plate and a hybrid circuit is connected to the feedthrough.
3 Citations
20 Claims
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1. A feedthrough comprising:
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a body having a first side and a second side separated by a thickness; a first conductive pad on the first side; a second conductive pad on the second side; and a plurality of conductive vias electrically connecting the first conductive pad and the second conductive pad. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of forming a ceramic feedthrough for a hermetically sealed case, the method comprising:
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forming multiple stacked layers comprising green sheet material and metal, wherein the metal forms a plurality of vias through the stacked layers; co-firing the multiple stacked layers; and forming a first conductive pad on a top surface of the feedthrough, wherein the first conductive pad is in electrical communication with a second conductive pad on a bottom surface of the feedthrough, the first and second conductive pads electrically connected by the plurality of vias. - View Dependent Claims (18)
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19. A device comprising:
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a hermetically sealed case with electronic circuitry housed therein, wherein one surface of the hermetically sealed case comprises; a metallic plate, a co-fired ceramic electrical feedthrough hermetically joined to the metallic plate, the feedthrough comprising; a conductive via passing from a first conductive pad on a first side of the feedthrough to a second conductive pad on a second side of the feedthrough; and a shield of conductive material shielding the via, the shield not in electrical contact with the via; and a circuit electrically coupled to the via of the feedthrough. - View Dependent Claims (20)
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Specification