In vivo implantable coil assembly
First Claim
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1. A method of making an in-vivo implantable coil assembly comprising the steps of:
- a) coating a sacrificial separation layer onto a temporary substrate;
b) depositing a polymer layer onto the separation layer;
c) fabricating a thin film coil on the polymer layer;
d) forming electrical contacts on a top surface of the thin film coil;
e) separating the polymer layer from the temporary substrate; and
f) bonding the polymer layer to a ferrite substrate to form the in-vivo implantable coil assembly.
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Abstract
An in-vivo implantable coil assembly includes a planar coil having at least one coil layer formed from conductive traces disposed in or on a polymer matrix. A ferrite platelet is bonded to a surface of the polymer matrix. Methods of making and using the in-vivo implantable coil assembly are also disclosed.
28 Citations
25 Claims
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1. A method of making an in-vivo implantable coil assembly comprising the steps of:
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a) coating a sacrificial separation layer onto a temporary substrate;
b) depositing a polymer layer onto the separation layer;
c) fabricating a thin film coil on the polymer layer;
d) forming electrical contacts on a top surface of the thin film coil;
e) separating the polymer layer from the temporary substrate; and
f) bonding the polymer layer to a ferrite substrate to form the in-vivo implantable coil assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An in-vivo implantable coil assembly comprising:
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a planar coil having at least one coil layer formed by conductive traces disposed in a polymer matrix and exposed electrical contacts for connection to the coil layer(s); and
a ferrite platelet bonded to a surface of the polymer matrix. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of using an in-vivo implantable planar coil assembly in an integrated neural probe comprising the steps of:
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a) providing a multilayer coil having a polymer substrate and bonded to a ferrite plate, a plurality of electrical contacts coupled to the multilayer coil and disposed on an upper surface of the multilayer coil to provide enable electrical connection to each layer of the multilayer coil; and
b) mounting the multilayer coil to a neural interface assembly to form an integrated neural probe. - View Dependent Claims (22, 23, 24, 25)
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Specification