G01N2223/652

SYSTEM AND METHOD USING X-RAYS FOR DEPTH-RESOLVING METROLOGY AND ANALYSIS

A system and method for analyzing a three-dimensional structure of a sample includes generating a first x-ray beam having a first energy bandwidth less than 20 eV at full-width-at-half maximum and a first mean x-ray energy that is in a range of 1 eV to 1 keV higher than an absorption edge energy of a first atomic element of interest, and that is collimated to have a collimation angular range less than 7 mrad in at least one direction perpendicular to a propagation direction of the first x-ray beam; irradiating the sample with the first x-ray beam at a plurality of incidence angles relative to a substantially flat surface of the sample, the incidence angles of the plurality of incidence angles in a range of 3 mrad to 400 mrad; and simultaneously detecting a reflected portion of the first x-ray beam from the sample and detecting x-ray fluorescence x-rays and/or photoelectrons from the sample.

System And Method For Detection And Identification Of Foreign Elements In A Substance

In one embodiment, a system and method for inspecting a substance to detect and identify predetermined foreign element(s) in the substance. The foreign element may carry X-ray responding material compositions, emitting X-ray signals in response to primary exciting X-ray or Gamma-ray radiation. The inspection is performed during a relative displacement between the substance and an inspection zone, defined by an overlap region between a solid angle of emission of an X-ray/Gamma-ray source and a solid angle of detection of X-ray radiation, along a predetermined movement path, as the substance moves along said path, the detected X-ray radiation includes X-ray response signals from successive portions of the substance propagating towards, through, and out of said overlap region. Measured data indicative of X-ray response signals is analyzed to identify a signal variation pattern over time indicative of a location of at least one foreign element carrying an X-ray responsive marker.

Radiation detection device, radiation image acquisition device, and radiation image acquisition method

An X-ray detection device 30 comprises a low energy scintillator 31 configured to convert an X-ray of a low energy range into scintillation light, a low energy line sensor 32 configured to detect the scintillation light to output image data, a high energy scintillator 33 configured to convert an X-ray of a high energy range into scintillation light, and a high energy line sensor 34 configured to detect the scintillation light to output image data. Pixels L of the low energy line sensor 32 and pixels H of the high energy line sensor 34 are identical in number and are aligned at an identical pixel pitch, and a minimum filtering process is executed on the image data from the low energy line sensor 32, while an averaging process is executed on the image data from the high energy line sensor 34.

X-ray detector device and device for the X-ray inspection of products, in particular foodstuffs

An X-ray detector device for a device for the X-ray inspection of products includes a first line detector with a first discrete spatial resolution, a second line detector with the same or lesser second discrete spatial resolution, and an evaluation and control unit. The first line detector is operable to capture X-radiation in a non-spectrally resolved fashion along a first capture line transverse to a product movement direction to generate first image data. The second line detector is operable to capture the X-radiation in a spectrally resolved fashion along a second capture line parallel to the first capture line to generate second image data. The evaluation and control unit is operable to evaluate the first and second image data to detect at least one predefined feature of the product with the first discrete spatial resolution by combining the items of information contained in the first and second image data.

RADIATION TRANSMISSION INSPECTION METHOD AND DEVICE, AND METHOD OF MANUFACTURING MICROPOROUS FILM
20210181125 · 2021-06-17 · ·

A radiation transmission inspection method includes: when one side surface of the reel is a side end A and another side surface is a side end B, a first foreign body detection process in which radiation emitted from a first radiation source, incident from the side end A of the film reel, transmitted through the reel, and exited from the side end B is detected by a first detector, and information regarding a foreign body is obtained; and a second foreign body detection process in which radiation emitted from a second radiation source, incident from the side end B of the film reel, transmitted through the reel, and exited from the side end A is detected by a second detector, and information regarding a foreign body is obtained.

CONTROLLED MANUFACTURE AND NANO-LEVEL EVALUATION OF KEROGEN-RICH RESERVOIR ROCK
20210263006 · 2021-08-26 ·

Controlled manufacture and nano-level evaluation of kerogen-rich reservoir rock can be implemented as a method. A clay mineral found in kerogen-rich shale is selected. An organic component found in kerogen-rich shale is selected. Multiple concentrations of the clay mineral are selected. Multiple concentrations of the organic component are selected. Multiple kerogen-rich shale samples are fabricated. Each sample includes a first concentration of the multiple concentrations of the clay mineral and a second concentration of the multiple concentrations of the organic component. A microscale beam is formed of each fabricated sample. A maximum dimension of the microscale beam is at most 100 μm. A mechanical experiment is performed on the microscale beam of each fabricated sample. The mechanical experiment includes a tension test or a compression test. The mechanical experiment on the microscale beam of each fabricated sample is imaged using a scanning electron microscope or a transmission electron microscope. A material parameter of the microscale beam of each fabricated sample is determined based on results of the mechanical experiment and images obtained responsive to the imaging. Effects of the clay mineral on the kerogen-rich shale are determined based on the material parameter of the microscale beam of each fabricated sample.

INSPECTING METHOD AND INSPECTION APPARATUS FOR MEMBRANEELECTRODE ASSEMBLY

A method of inspecting a membrane-electrode assembly includes obtaining an X-ray transmission image by applying X-rays to the membrane-electrode assembly, and determining whether a foreign matter having a size equal to or larger than a predetermined value is included in the membrane-electrode assembly, according to a brightness reduction amount in each pixel of the X-ray transmission image obtained, while referring to a correlative relationship between the size of the foreign matter measured in a planar direction of the membrane-electrode assembly, and the brightness reduction amount in the X-ray transmission image.

Apparatus and method of processing data acquired in x-ray examination, and x-ray examination system equipped with the apparatus

In a data processing apparatus, image data are calculated based on photon counts of an X-ray beam transmitted through an object. Based on the image data, X-ray attenuation information is calculated. The attenuation information includes i) inherent information inherently depending on a type or a property of the object, the inherent information being indicated by a quantity of a vector in an n-dimensional coordinate whose dimension is equal in number to the n-piece energy ranges; and ii) associated information being associated with the inherent information and depending on a length of a path along which the X-ray beam passes though the object. From the attenuation information, only the inherent information is produced which is independent of the associated information. Scattering points corresponding to the inherent information are calculated to be mapped in the n-dimensional coordinate or in a coordinate whose dimension is less than the n-dimensional coordinate.

X-ray transmission inspection apparatus and X-ray transmission inspection method

An X-ray transmission inspection apparatus includes an X-ray source for irradiating a sample with X-rays, a two-dimensional sensor for detecting transmission X-rays passing through the sample, a sample moving mechanism for moving the sample, a calculation unit for processing an image of the transmission X-rays detected by the two-dimensional sensor, and a display unit for displaying a cross-sectional image. When V1 is a speed at which the sample moves, F is a frame rate of the two-dimensional sensor, A is a sample pitch of the two-dimensional sensor, and LS is a distance between the X-ray source and the two-dimensional sensor, the calculation unit creates a cross-sectional image taken at a distance L from the X-ray source by adding the images of the pixels positioned at an interval of [(LS×V2)/(L×F×A)] in a direction in which the sample moves.

X-RAY INSPECTION APPARATUS AND X-RAY INSPECTION METHOD
20210148837 · 2021-05-20 ·

The X-ray inspection apparatus includes an X-ray source, a sample moving mechanism, an X-ray detector equipped with a line sensor with pixels detecting X-ray radiation passing through a sample, an image storage unit for storing X-ray radiation intensities, an intensity correction unit for correcting the X-ray radiation intensities stored in the image storage unit, and a defect detector for detecting a defect in the sample. The intensity correction unit sets an intensity of X-rays detected from the inspection initiation region after starting inspection of the sample or an intensity of X-rays preliminarily detected from the sample before starting the inspection as a reference radiation intensity, and corrects an intensity of X-rays detected from the subsequent inspection region based on a correction coefficient obtained from comparison between the intensity of X-rays detected from the subsequent inspection region and the reference radiation intensity.