Structural determination apparatus and method
AssigneeIndustrial Tomography Systems PLC
InventorChangua Qiu
Life of this patent
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Abstract
According to a first aspect of the invention there is provided apparatus arranged to determine an interface between two components that includes a reference electrode arranged to be connected to a constant voltage supply or ground; a measurement electrode, and a field generating device arranged to establish an electric field in at least one of the components; wherein the field generating device is configured to establish the electric field across the measurement electrode, and the apparatus is configured to measure a potential difference between the measurement electrode and the reference electrode, the potential difference between the measurement electrode and the reference electrode being indicative of the interface between the components.
Claims29
Apparatus arranged to determine an interface between two components, comprising:
- a reference electrode arranged to be connected to a constant voltage supply or ground;
- a measurement electrode, and
- a field generating device arranged to establish an electric field in at least one of the components;
- wherein the field generating device is configured to establish the electric field across the measurement electrode, and the apparatus is configured to measure a potential difference between the measurement electrode and the reference electrode, the potential difference between the measurement electrode and the reference electrode being indicative of the interface between the components.
The apparatus as claimed in 13, wherein the plurality of measurement electrodes are arranged to form a linear one-dimensional array of measurement electrodes, the effective resistance of the electrodes in the array being substantially the same, and wherein the apparatus comprises a plurality of the linear one-dimensional arrays of electrodes, the electrodes in each array being configured to have a different effective resistance for each array, and the arrays being arranged in order of the effective resistance of the electrodes of the arrays.
A method of determining an interface between two components, comprising:
- maintaining a reference electrode at a constant electric potential;
- establishing an electric field in at least one of the components;
- measuring a potential difference between the reference electrode and a measurement electrode positioned in the electric field, and
- determining a property indicative of the interface from the potential difference between the reference electrode and the measurement electrode.
Dependencies are inferred from the claim text.