Implantable medical device having a multi-axis magnetic sensor
First Claim
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1. An implantable medical device, comprising:
- a multi-dimensional magnetic sensor including;
a substrate having a plurality of panels, each panel being separable from the others of the panels;
three hall sensors positioned on each of the plurality of panels, each of the panels having at least one subpanel that is foldable, wherein the folding of the at least one subpanel allows the hall sensors to be oriented along three independent axis.
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Abstract
The present invention provides a packaging technique and apparatus that incorporates a flexible substrate package with a three-axis magnetic sensor for three-axis sensing in an implantable medical device. The apparatus includes three single-axis magnetic sensor integrated circuits (ICs) that are mounted to a substrate and encapsulated with a polymer mold compound. The substrate is excised around each of the sensor ICs to form panels that are folded to align the three single-axis sensors in the x, y and z axis.
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Citations
20 Claims
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1. An implantable medical device, comprising:
a multi-dimensional magnetic sensor including; a substrate having a plurality of panels, each panel being separable from the others of the panels; three hall sensors positioned on each of the plurality of panels, each of the panels having at least one subpanel that is foldable, wherein the folding of the at least one subpanel allows the hall sensors to be oriented along three independent axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for forming a magnetic sensor package, comprising:
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providing a substrate having a first surface configured for mounting a plurality of hall sensors and a second surface having pads for electrical coupling to an implantable medical device circuit hybrid; electrically coupling the plurality of hall sensors to the substrate; fixating each of the plurality of hall sensors onto the substrate; excising a panel of the substrate including at least three of the plurality of hall sensors, wherein the panel includes at least three subpanels; and folding one of the at least three subpanels to orient the at least three hall sensors along three independent axis. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification