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US 2009/0212040 A1Published application
Electrical Heating Element
AssigneeHeat Trace Limited
InventorJason Daniel Harold O'Connor
Life of this patent
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Abstract
An electrical device includes a compound material. The compound material includes a mixture of an electrically conductive material and an electrically insulative material. The conductive material is aligned within the compound material, such that the resistivity of the compound material in a first direction is different from the resistivity of the compound material in a second direction perpendicular to the first direction.
Claims21
An electrical device comprising:
- a compound material comprising a mixture of an electrically conductive material and an electrically insulative material;
- wherein the conductive material is orientated within the compound material such that the resistivity of the compound material in a first direction is different from the resistivity of the compound material in a second direction substantially perpendicular to the first direction.
A method of manufacturing an electrical device the method comprising:
- providing a compound material comprising a mixture of an electrically conductive material and an electrically insulative material;
- orientating the conductive material such that the resistivity of the compound material in a first direction is different to the resistivity of the compound material in a second direction substantially perpendicular to the first direction.
Dependencies are inferred from the claim text.