Patent application number | Description | Published |
20110110493 | Determination of Composition of Liquids - A method of and apparatus for obtaining radiation transmission data from a liquid in such manner that allows some data about relative proportions of constituent ingredients to be derived is described. A radiation source and a radiation detector system able to resolve transmitted intensity across a plurality of frequencies within the spectrum of the source are used to produce transmitted intensity data for each such frequency. Measured data is compared numerically to a mass attenuation data library storing mass attenuation data, individually or collectively, for a small number of expected constituent ingredients of the liquid to fit each intensity data item to the relationship given by the exponential attenuation law: I/I | 05-12-2011 |
20110116605 | Method and Apparatus for Inspection of Materials - A method of and apparatus for obtaining radiation transmission data and especially an image of an object in such manner that allows some data about relative proportions of constituent materials to be derived is described. A radiation source and a radiation detector system able to resolve transmitted intensity across a plurality of frequencies within the spectrum of the source are used to produce transmitted intensity data for each such frequency. Measured data is compared numerically to a mass attenuation data library storing mass attenuation data, individually or collectively, for a small number of expected constituent component materials to fit each intensity data item to the relationship given by the exponential attenuation law: I/I | 05-19-2011 |
20110222658 | Detector Apparatus and Method - A detector apparatus is described for scanning of and obtaining radiation data from an object and generating an image therefrom. The apparatus comprises a radiation detector system spaced therefrom to define a scanning zone and to collect a dataset of information about radiation incident at the detector after interaction with an object and to resolve collected information spatially in two dimensions across a scan area and spectroscopically across a plurality of frequency bands in the spectrum of the source. A detector exhibits a spectroscopically variable response across at least a part of the spectrum of the source and to resolve collected information spatially with a rastering module configured to divide the scanning area into a plurality of pixels two dimensions; and a control to move the detector to scan such pixels successively and thereby collect a dataset for each pixel. A method is also described. | 09-15-2011 |
20110234378 | Tracking Device, System and Method - A tracking device for tracking with a radioactive material, a container including such a device, and a tracking method are described. The device has a radiation detector associatable with a radioactive material adapted to be placed in use within a container defining a radiation-shielded enclosure for containing a radioactive material, to detect radiation activity from the material. A RF identification module associatable with the container includes a data register to store a unique product identification code, a processor with a data transfer link to the radiation detector and data register to receive and process a live data stream of activity data from the detector and associate this with the unique product identification code in a processed data packet, and an antenna to enable transmission of a data item comprising both the unique product identification code and processed activity data to a remote data capture means. | 09-29-2011 |
20110260279 | Semiconductor Device Connection - A method of bonding a semiconductor structure to a substrate to effect both a mechanical bond and a selectively patterned conductive bond, comprising the steps of mechanically bonding a semiconductor structure to a substrate by means of a bonding layer; providing gaps in the bonding layer generally corresponding to a desired conductive bond pattern; providing vias though the substrate generally positioned at the gaps in the bonding layer; causing electrically conductive material to contact the semiconductor structure exposed through the vias. A device made in accordance with the method is also described. | 10-27-2011 |
20120116691 | Method for the Identification of Materials in a Container - Method for the identification of a homogeneous material (e.g. a liquid) in a container (e.g. a bottle) by measuring its X-ray or gamma spectrum and deriving its specific attenuation function. The method comprises building a database of the attenuation functions of empty containers, of containers filled with various fluid materials and of the contained fluid materials itself (by subtracting or devoluting the empty-container-attenuation-function from the filled-container-attenuation-function), recording the spectrum of an unknown material in a container and comparing this spectrum to the spectra in the database. | 05-10-2012 |
20130013242 | Cross Calibration of Two Energy Dispersive X-Ray Baggage Screening Systems Including Transformation of the Reference Database - A method of calibration of a dataset for spectroscopically resolved radiation scanning, comprising the steps of: generating an apparatus condition specific calibration dataset of emergent radiation intensity information generated after interaction in the scanning zone of at least one standard object spectroscopically resolved into a plurality of frequency bands; providing a transferable database comprising a dataset of transferable data items of emergent intensity information for a range of component materials, each spectroscopically resolved into a plurality of frequency bands and linked to the condition specific calibration dataset; defining a reference calibration dataset; generating a transfer function between the data item and the reference calibration dataset; applying the transfer function to the transferable data item to generate a dynamic data item adjusted to the reference calibration; populating a data register with a dynamic dataset comprising a dataset of data items each dynamically adjusted to the reference calibration. | 01-10-2013 |
Patent application number | Description | Published |
20120027175 | Object Scanning Protocol - A two step method of scanning objects to gain information about material content comprises the steps of providing a radiation source and a radiation detector system spaced therefrom to define a scanning zone therebetween. In a first scanning step, an object is moved relative to the source and detector system, intensity information about radiation incident at the detector system after interaction with the object as it passes through the scanning zone is collected, variation of intensity as the object moves through the scanning zone is used to identify anomalous structures and/or absence of homogeneity in the object. In a second, subsequent scanning step an object is located in fixed position in the scanning zone and collecting intensity information collected, analysed against a suitable functional relationship relating transmitted to incident intensity, and the results compared with a library of suitable data to provide an indication of material content. | 02-02-2012 |
20120037810 | RADIATION DETECTION - A method and apparatus for correction of detected radiation data from a semiconductor device are described. The method comprising the steps of measuring a pulse energy reading from radiation incident at the semiconductor device; filtering the signal and determining the time that the filtered signal exceeds a predetermined threshold energy; if the determined time is within predetermined parameter(s) comprising at least a predetermined maximum, storing the pulse energy reading in a first, pulse energy data register; if the determined time is above a predetermined maximum, discarding the pulse energy reading and incrementing a count in a second, discard data register; repeating the above steps to acquire a dataset of pulse energy readings of a desired size in the first data register; and on completion of such acquisition; using the discard data register to supplement the dataset of pulse energy readings by numerically correcting discarded counts and adding back into the dataset of pulse energy readings. | 02-16-2012 |
20130275087 | RADIATION DETECTION - A method of and device for processing a radiation pulse are described based on: detecting an event at the detector; producing a pulse; determining for the pulse: a pulse height measurement representative of pulse magnitude; a pulse width measurement representative of pulse duration; assigning the pulse to one of at least two classes based on the determined pulse height/pulse width; applying to each pulse an algorithm specific to its particular class to produce an output pulse height/pulse width profile. | 10-17-2013 |
20140219419 | OBJECT MONITORING USING MULTI SPECTRAL RADIATION - A method for monitoring objects for example for facilitating the identification and/or authentication of objects comprises: in a first recording phase: irradiating an object with a suitable source of radiation, collecting intensity information about radiation emergent from the object, resolving the intensity information spectroscopically between at least two energy bands, and storing the resultant dataset as a reference dataset; and in a second verification phase: irradiating an object with a suitable source of radiation, collecting intensity information about radiation emergent from the object, resolving the intensity information spectroscopically between at least two energy bands, and using the resultant dataset as a test dataset; identifying the object and retrieving its corresponding reference dataset; comparing the test dataset and the reference dataset within predetermined tolerance limits, and: in the event that the reference dataset and the test dataset correspond within the predetermined tolerance limits, treating the object as verified or in the event that the reference dataset and the test dataset differ by more than the predetermined tolerance limits, in a third identification phase: numerically processing the resolved intensity information from the test dataset to derive therefrom a dataset of information characteristic of the composition of the object, and using this information to identify the composition of the object. | 08-07-2014 |
20140297228 | DETECTION AND/OR CLASSIFICATION OF MATERIALS - A method processing an image dataset of radiation emergent from a test object after its irradiation by a suitable radiation source is described which comprises the steps of: generating an image dataset comprising a spatially resolved map of items of intensity data from the radiation emergent from the test object; further, resolving the intensity data items spectroscopically between at least two energy bands across the spectrum of the source; numerically processing the spectroscopically resolved intensity data items to determine a further spatially resolved dataset of data items representative of one or more orders of Compound Proton Number and/or effective mass thickness and/or a density; generating a segmented image dataset using the said dataset of data items representative of one or more orders of Compound Proton Number and/or effective mass thickness and/or a density. The method applied as part of a method for the radiological examination of an object and an apparatus for the same are also described. | 10-02-2014 |