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Embodiments of an electromagnetic coil assembly are provided, as are embodiments of producing an electromagnetic coil assembly. In one embodiment, the electromagnetic coil assembly includes a coiled magnet wire, an inorganic electrically-insulative body encapsulating at least a portion of the coiled

Embodiments of an electromagnetic coil assembly are provided, as are embodiments of producing an electromagnetic coil assembly. In one embodiment, the electromagnetic coil assembly includes a coiled magnet wire, an inorganic electrically-insulative body encapsulating at least a portion of the coiled magnet wire, a lead wire extending into the inorganic electrically-insulative body to the coiled magnet wire, and a first tapered crimp joint embedded within the inorganic electrically-insulative body. The first tapered crimp joint mechanically and electrically connects the lead wire to the coiled magnet wire.

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1. An electromagnetic coil assembly, comprising: a coiled magnet wire;an inorganic electrically-insulative body encapsulating at least a portion of the coiled magnet wire;a lead wire extending into the inorganic electrically-insulative body to the coiled magnet wire; anda first tapered crimp joint e

1. An electromagnetic coil assembly, comprising: a coiled magnet wire;an inorganic electrically-insulative body encapsulating at least a portion of the coiled magnet wire;a lead wire extending into the inorganic electrically-insulative body to the coiled magnet wire; anda first tapered crimp joint embedded within the inorganic electrically-insulative body, the first tapered crimp joint mechanically and electrically connecting the lead wire to the coiled magnet wire. 2. An electromagnetic coil assembly according to claim 1 wherein the lead wire comprises a hollow wire braid. 3. An electromagnetic coil assembly according to claim 2 wherein an end portion of the coiled magnet wire is inserted into an end portion of the hollow wire braid. 4. An electromagnetic coil assembly according to claim 1 wherein the coiled magnet wire comprises anodized aluminum wire. 5. An electromagnetic coil assembly according to claim 1 wherein the first tapered crimp joint increases in deformation when moving from either end of the first tapered crimp joint inward toward a central portion thereof. 6. An electromagnetic coil assembly according to claim 5 wherein the first tapered crimp joint has a substantially hourglass-shaped geometry, when viewed from a side of the tapered crimp joint. 7. An electromagnetic coil assembly according to claim 1 further comprising: a hermetically-sealed housing; anda feedthrough connector extending through a wall of the hermetically-sealed housing, the lead wire electrically coupled to the feedthrough. 8. An electromagnetic coil assembly according to claim 7 further comprising: a feedthrough wire coupled between the lead wire and the feedthrough connector; anda second tapered crimp joint mechanically and electrically connecting the feedthrough wire and the lead wire. 9. An electromagnetic coil assembly according to claim 8 wherein the second tapered crimp joint comprises a crimp barrel compressed over an end portion of the feedthrough wire and a neighboring end portion of the lead wire. 10. An electromagnetic coil assembly according to claim 9 wherein the feedthrough wire comprises a braided feedthrough wire. 11. An electromagnetic coil assembly according to claim 10 wherein the feedthrough comprises a pin, and wherein an end portion of the braided feedthrough wire is inserted over the pin and mechanically affixed thereto by brazing. 12. An electromagnetic coil assembly, comprising: a braided lead wire;a coiled magnet wire;an inorganic electrically-insulative body encapsulating the coiled magnet wire; anda first crimp joint mechanically and electrically connecting the braided lead wire to the coiled magnet wire, the first crimp joint embedded within the inorganic electrically-insulative body. 13. An electromagnetic coil assembly according to claim 12 wherein the deformation of the first crimp joint increases gradually when moving axially along the length of the crimp joint. 14. An electromagnetic coil assembly according to claim 12 wherein the coiled magnet wire comprises anodized aluminum wire. 15. An electromagnetic coil assembly according to claim 12 further comprising: a hermetically-sealed housing; anda feedthrough connector extending through a wall of the hermetically-sealed housing, the lead wire electrically coupled to the feedthrough. 16. An electromagnetic coil assembly according to claim 15 further comprising: a feedthrough wire coupled between the lead wire and the feedthrough connector; anda second tapered crimp joint mechanically and electrically connecting the feedthrough wire and the lead wire. 17. An electromagnetic coil assembly according to claim 16 wherein the second tapered crimp joint comprises a crimp barrel compressed over an end portion of the feedthrough wire and a neighboring end portion of the lead wire. 18. An electromagnetic coil assembly according to claim 17 wherein the feedthrough wire comprises a braided feedthrough wire.