Abstract: A device for reading out and erasing imaging plates which includes an eraser disposed down-stream of a readout unit at a short distance thereof, said eraser being separated from the readout unit by a light barrier.

Abstract: Disclosed is a radiation image conversion panel containing a support having thereon a phosphor layer containing an alkali metal halide phosphor which is deposited on the support by a gas phase accumulation method, wherein the alkali metal halide phosphor includes a columnar crystal and an existing ratio of an activation agent of the columnar crystal on a surface of the columnar crystal to an inner portion of the columnar crystal is from 0.7 to 20.

Abstract: A method and apparatus for determining the effect-particle orientation in a film or coating are disclosed. The method comprises using opposing directional reflectance measurements, preferably in continuous processes and allows for an on-line evaluation system to provide more specific control over particle orientation, thereby allowing for better color matching between and among various panels or articles.

Abstract: An apparatus and method for analysing temperature-dependent molecular configurations such as folding comprises a multi-channel flow-through chip (12) along which molecules to be analysed pass. A temperature gradient is maintained along the length of the chip. As molecules pass along the channels they fold or unfold, in response to the changing temperature. These changing molecular configurations are investigated by simultaneously measuring the extent to which the molecules absorb UV light, and the extent to which they fluoresce. The absorption and fluorescence information is supplied to a computer system (26) for real-time analysis.

Abstract: An objective is to provide a radiation image conversion panel exhibiting excellent graininess and reduced x-ray damage (luminance degradation) . A radiation image conversion panel comprising a support and provided thereon, a stimulable phosphor layer containing a stimulable phosphor in a polymer resin, wherein a luminescence intensity ratio of (A) stimulable phosphor particles comprising a smallest average particle diameter to (B) stimulable phosphor particles comprising a largest average particle diameter is 0.81.2, provided that a total average particle diameter of all the stimulable phosphor particles is 3.0-10.0 ?m, an average particle diameter of (A) is 2.0-6.0 ?m, an average particle diameter of (B) is 6-15 ?m, and a content of (A) or (B) is within the range of at least 10% by weight and at most 90% by weight, based on the total stimulable phosphor content.

Abstract: An object is to provide a scintillator plate exhibiting even sharpness, and further exhibiting enhanced sharpness by use of CsI crystals. Disclosed is a scintillator plate for radiation comprising a support and provided thereon a phosphor layer emitting light caused upon exposure to radiation, wherein the phosphor layer comprises a plurality of phosphor columnar crystals, and any two phosphor columnar crystal diameters represented by a and b (a?b) satisfy the following inequality of 1.0?a/b<1.5. Further disclosed is a scintillator plate for radiation comprising a support and provided thereon a phosphor layer emitting light caused upon exposure to radiation, wherein the phosphor layer comprises a phosphor made from cesium iodide (CsI) as a base material and an activator, and a most dominant growth direction in the phosphor is (n 0 0) plane (where n=1, 2 or 3).

Abstract: According to the present invention, an improved source collimator for use in nuclear medicine imaging is provided. The improved source collimator utilizes a larger collimation angle than has previously been used in the art. The use of the larger collimation angle for the source collimator reduces the sensitivity of the nuclear medical imaging systems to misalignment between the detector and the source collimators.

Abstract: A first radiation image storage panel comprises a stimulable phosphor layer, and a transparent protective film, which comprises at least one layer of a water vapor proof film, the water vapor proof film comprising a base material film and a transparent inorganic layer overlaid on the base material film. The transparent protective film is located such that the transparent inorganic layer of the water vapor proof film stands facing the stimulable phosphor layer, and the stimulable phosphor layer is sealed. In a second radiation image storage panel, a protective layer comprises a fundamental inorganic layer and at least one layer of a high-order inorganic layer, which is located on the fundamental inorganic layer, and each high-order inorganic layer is overlaid directly upon an inorganic layer, which is located under each high-order inorganic layer.

Abstract: A semiconductor apparatus includes a pair of first and second field effect transistors formed on a semiconductor substrate. The pair of first and second field effect transistors has the same configurations except for respective gate electrode sections. The gate electrode sections include material having different respective work functions. A radiant ray sensing section is connected to the gate sections and senses a radiant ray. The radiant ray sensing section causes the pair of first and second field effect transistors to serve as a temperature sensor via the respective gate sections.

Abstract: A thermal control system (11) for a light source (46) of a vision system (10) includes a heater (63) that is thermally coupled to the light source (46). A thermal sensor (60) is thermally coupled to the tight source (46) and generates a temperature signal. A controller (50) is coupled to the heater (63) and to the thermal sensor (60). The controller (50) operates the heater (63) when the temperature signal is below a maximum temperature limit. The minimum and maximum temperature limits are obtained from the light-source wavelength-temperature characteristic.

Abstract: A method of processing postal articles in which a physical magnitude is measured in order to detect (2) whether the outside surface of a postal article is made of a plastics material, and in which a digital image of said outside surface of the postal article is processed in order to detect (3) whether said surface has a noisy background. On the basis of the results of these two detection operations, it is determined (4) whether the outside surface of said postal article is a printable surface or a non-printable surface.

Abstract: A system for characterizing high power electron beams at power levels of 10 kW and above is described. This system is comprised of a slit disk assembly having a multitude of radial slits, a conducting disk with the same number of radial slits located below the slit disk assembly, a Faraday cup assembly located below the conducting disk, and a start-stop target located proximate the slit disk assembly. In order to keep the system from over-heating during use, a heat sink is placed in close proximity to the components discussed above, and an active cooling system, using water, for example, can be integrated into the heat sink. During use, the high power beam is initially directed onto a start-stop target and after reaching its full power is translated around the slit disk assembly, wherein the beam enters the radial slits and the conducting disk radial slits and is detected at the Faraday cup assembly.

Abstract: The present invention relates to a method enabling quantification of dose delivery in radiotherapy treatment during patient-specific treatment of the patient utilizing measurements in predefined time-intervals with information means positioned in the radiation beam, between the patient and the source and converting the readings to corresponding measures in a phantom. The invention additionally covers the method to obtain the said calibration factors for the detectors. The said calibration factors are obtained for each information means, field and said definable time-interval simultaneously irradiating the information means and said phantom including detectors to measure the absorbed dose using the said patient-specific treatment without patient.

Abstract: According to the present invention, a novel slat collimator for use in nuclear medicine imaging is provided. The slat collimator comprises a first layer comprising a plurality of spaced apart elongated slats and a second layer comprising a plurality of spaced apart elongated slats. The slats of the second layer are positioned orthogonally with respect to the slats of the first layer. The slats are constructed of a radiation attenuation material and the spaces between the slats may be non-variable or variable.

Abstract: A method and system for calibrating a time of flight (TOF) positron emission tomography (PET) scanner are provided. The method stores acquired scan data from detector pairs including data and timing information. The method further calculates an intensity distribution of emission sources based on the scan data and defines a timing pivot point based on a median of an intensity histogram. The method determines a timing correction for each detector based on the location of the timing pivot point. The positron emission tomography (PET) system further provides a plurality of detectors, used in performing imaging scans, and a processor. The processor is configured to determine a timing correction for each detector.

Abstract: A Compton scattered gamma-ray detector system. The system comprises a gamma-ray spectrometer and an annular array of individual scintillators. The scintillators are positioned so that they are arrayed around the gamma-ray spectrometer. The annular array of individual scintillators includes a first scintillator. A radiation shield is positioned around the first scintillator. A multi-channel analyzer is operatively connected to the gamma-ray spectrometer and the annular array of individual scintillators.

Abstract: An infrared spectrometer sample rotating turntable kit has a rotatable sample cup containing the sample. The infrared spectrometer has an infrared spectrometer probe for analyzing the sample and the rotatable sample cup is adapted to receive the infrared spectrometer probe. A reflectance standard is located in the rotatable sample cup. A sleeve is positioned proximate the sample cup and adapted to receive the probe. A rotator rotates the rotatable sample cup. A battery is connected to the rotator.

Abstract: An atomic particle detection assembly includes at least one atomic particle detector positioned within a first chamber having a first operating pressure. The assembly also includes at least one junction apparatus coupled to the at least one atomic particle detector. The at least one junction apparatus includes at least one wall that at least partially defines a second chamber having a second operating pressure. The second pressure is greater than the first pressure and the at least one junction apparatus facilitates maintaining a predetermined pressure difference between the first chamber and the second chamber.

Abstract: The present invention relates to a gas sensor arrangement comprising at least one radiation source emitting radiation, a gas measuring chamber which may be filled with a gaseous analyte containing at least one analyte to be measured, and comprising at least one detector device which detects the radiation and generates an output signal indicating the presence and/or the concentration of the analyte. In order to provide an improved gas sensor arrangement of the type mentioned at the outset which ensures, in a particularly simple manner, long-term stable operation of the arrangement even over long periods of time, the control device comprises a power detection unit which may be operated to measure the electrical output consumed by the at least one radiation source.

Abstract: A radiation image storage panel is composed of a phosphor layer formed by a gas phase-accumulation method and a transparent protective film glued thereon via an adhesive layer, in which the adhesive layer is made of a resin material having Tg of higher than 35° C. in an amount of 40 to 100 wt. % and a resin material having Tg of not higher than 35° C. in an amount of 60 to 0 wt. %.