Three dimensional substrate for hearing assistance devices

1. A hearing assistance device, comprising:

a three-dimensional folded substrate including contours configured to form internal housing surfaces of the hearing assistance device, wherein the substrate included a plurality of slots and tabs configured to be engaged to add structural integrity to the substrate and maintain the folded shape;

hearing assistance electronics mounted to a flat portion of the substrate; and

a moisture resistant seal for the substrate, the seal configured to limit moisture ingress into the device.

2. The device of claim 1 , wherein the moisture resistant seal includes a gasket.

3. The device of claim 1 , wherein the moisture resistant seal includes glue.

4. The device of claim 1 , wherein the moisture resistant seal includes rubber.

5. The device of claim 1 , wherein the moisture resistant seal includes a polymer.

6. The device of claim 1 , whererin the substrate includes a liquid crystal polymer (LCP).

7. The device of claim 1 , wherein the substrate structurally forms a battery compartment.

8. The device of claim 1 , further comprising an antenna connected to the hearing assistance electronics.

9. The device of claim 1 , further comprising an antenna integrated with the substrate.

10. The device of claim 1 , wherein the housing is a behind-the-ear housing.

11. The device of claim 1 wherein the housing is an in-the-ear housing.

12. The device of claim 1 , wherein the housing is an in-the-canal housing.

13. The device of claim 1 , wherein the housing is a receiver-in-the-canal housing.

14. The device of claim 1 , further comprising a microphone electrically connected to the substrate.

15. The device of claim 1 , further comprising a speaker electrically connected to the substrate.