Thick film layered resistive device employing a dielectric tape
A resistive device for use in providing a resistive load to a target under the application of power from a power source is provided, the resistive device being adapted for electrical connection to the power source through a pair of terminal wires. The resistive device includes a thick film material, and the thick film material defines at least one layer of tape. The resistive device can be, by way of example, a heater or a load resistor, and can also include a substrate onto which a layer of dielectric tape is disposed, a resistive layer disposed on the layer of dielectric tape, and a protective layer disposed on the resistive layer.
1. A layered resistive device comprising:
a substrate;
a dielectric layer disposed on a surface of the substrate, the dielectric layer comprising a single layer of dielectric tape;
a resistive layer disposed on the single layer of dielectric tape; and
a protective layer disposed on the resistive layer.
2. The resistive device according to claim 1 , wherein the protective layer comprises a single layer of dielectric tape.
3. The resistive device according to claim 1 , wherein the resistive layer comprises a single layer of tape.
4. The resistive device according to claim 1 further comprising:
a second dielectric layer disposed on another surface of the substrate, the dielectric layer comprising a single layer of dielectric tape;
a resistive layer disposed on the single layer of dielectric tape; and
a protective layer disposed on the resistive layer.
5. The resistive device according to claim 1 further comprising a plurality of functional layers disposed over the substrate.
6. The resistive device according to claim 5 , wherein the plurality of functional layers comprise a plurality of resistive layers and a corresponding plurality of dielectric layers.
7. The resistive device according to claim 1 , wherein the substrate defines a split-sleeve configuration comprising a slot extending along a length of the substrate.
8. The resistive device according to claim 1 , wherein the substrate defines a cylindrical configuration and the dielectric layer, the resistive layer, and the protective layer are disposed along an interior portion of the substrate.
9. The resistive device according to claim 1 , wherein the substrate defines a cylindrical configuration and the dielectric layer, the resistive layer, and the protective layer are disposed along an exterior portion of the substrate.
10. The resistive device according to claim 1 , wherein the substrate defines a conical configuration and the dielectric layer, the resistive layer, and the protective layer are disposed along an interior portion of the substrate.
11. The resistive device according to claim 1 , wherein the substrate defines a conical configuration and the dielectric layer, the resistive layer, and the protective layer are disposed along an exterior portion of the substrate.
12. The resistive device according to claim 1 , wherein the substrate defines a concave configuration and the dielectric layer, the resistive layer, and the protective layer are disposed along an interior portion of the substrate.
13. The resistive device according to claim 1 , wherein the substrate defines a flat configuration and the dielectric layer, the resistive layer, and the protective layer are disposed along a surface of the substrate.
14. The resistive device according to claim 1 , wherein the substrate defines a configuration selected from the group consisting of cylindrical, conical, concave, convex, polygonal, and flat.
15. The resistive device according to claim 1 , wherein the resistive device is a heater.
16. The resistive device according to claim 1 , wherein the resistive device is a load resistor.
17. The resistive device according to claim 1 further comprising a pair of conductors disposed on the dielectric layer and electrically connected to the resistive layer.
18. A resistive device for use in providing a resistive load to a target under the application of power from a power source, the resistive device being adapted for electrical connection to the power source through a pair of terminal wires, the resistive device comprising:
at lease one functional layer comprising a thick film material, the functional layer comprising a single layer of tape.
19. The resistive device according to claim 18 , wherein the functional layer is a base dielectric layer.
20. The resistive device according to claim 18 , wherein the functional layer is a protective dielectric layer.
21. The resistive device according to claim 18 , wherein the functional layer is a resistive layer.
22. The resistive device according to claim 18 further comprising:
a substrate;
a single layer of dielectric tape disposed on the substrate;
a resistive layer disposed on the single layer of dielectric tape; and
a single layer of dielectric tape disposed on the resistive layer.
23. The resistive device according to claim 22 further comprising:
a single layer of dielectric tape disposed on another surface of the substrate;
a resistive layer disposed on the single layer of dielectric tape; and
a single layer of dielectric tape disposed on the resistive layer.
24. The resistive device according to claim 22 , wherein the substrate defines a configuration selected from the group consisting of cylindrical, conical, concave, convex, polygonal, and flat.
25. The resistive device according to claim 18 , wherein the resistive device is a heater.
26. The resistive device according to claim 18 , wherein the resistive device is a load resistor.
27. The resistive device according to claim 18 further comprising a plurality of functional layers.
28. The resistive device according to claim 27 , wherein the plurality of functional layers comprise a plurality of resistive layers and a corresponding plurality of dielectric layers.
29. A layered resistive device comprising:
a substrate;
a dielectric layer disposed on a surface of the substrate, the dielectric layer comprising a single layer of dielectric tape;
a thick film resistive layer disposed on the single layer of dielectric tape; and
a protective layer disposed on the resistive layer, the protective layer comprising a single layer of dielectric tape.
30. The layered resistive device according to claim 29 , wherein the resistive layer comprises a single layer of tape.
31. The layered resistive device according to claim 29 , wherein the substrate defines a cylindrical configuration.
32. The layered resistive device according to claim 31 , wherein the dielectric layer, the resistive layer, and the protective layer are disposed along an interior portion of the substrate.
33. The layered resistive device according to claim 31 , wherein the dielectric layer, the resistive layer, and the protective layer are disposed along an exterior portion of the substrate.
34. The layered resistive device according to claim 31 , wherein the substrate defines open end portions.
35. The layered resistive device according to claim 31 , wherein the substrate defines an open end portion and a closed end portion.
36. The layered resistive device according to claim 29 further comprising:
a second dielectric layer disposed on another surface of the substrate, the second dielectric layer comprising a single layer of dielectric tape;
a second thick film resistive layer disposed on the second dielectric layer; and
a second protective layer disposed on the resistive layer, the second protective layer comprising a single layer of tape.