G01T1/00

X-ray detector with correction unit

An X-ray detector includes a detection unit to convert X-rays into a signal value and an evaluation unit. The detection unit and the evaluation unit are configured in a common component, the extent of the component along a first direction being not greater than the extent of the detection unit. The evaluation unit includes at least one correction unit to correct the signal values, a computation unit to control the correction, and a memory unit to store at least one correction parameter. The evaluation unit is designed such that the signal values are corrected as a function of the at least one correction parameter. A method and detector group are also disclosed.

IMAGING PANEL AND METHOD FOR PRODUCING SAME
20200127055 · 2020-04-23 ·

Provided is an X-ray imaging panel that allows the productivity to be improved and a method for producing the same. An imaging panel 1 generates an image based on scintillation light that is obtained from X-rays transmitted through an object. The imaging panel 1 has an active area and a terminal area on the substrate 101. In the active area, the imaging panel 1 includes a thin film transistor; a first insulating film provided on the thin film transistor; a photoelectric conversion element provided on the first insulating film; a second insulating film separated in a layer above the photoelectric conversion element so as to have a contact hole; and a conductive film that is connected with the photoelectric conversion element through the contact hole. The photoelectric conversion element includes a photoelectric conversion layer that includes a first semiconductor layer, an intrinsic amorphous semiconductor layer, and a second semiconductor layer. In the terminal area, the imaging panel 1 includes a first conductive layer 100 made of the same material as that of a gate electrode or a source electrode of the thin film transistor; a terminal-first insulating film 103 that is made of the same material as that of the first insulating film, and is separated on a part of the first conductive layer 110 so as to have an opening; a terminal-semiconductor layer 1501 that is provided above the terminal-first insulating film 103, and is made of the same material as that of at least a part of the semiconductor layers of the photoelectric conversion layer; and a second conductive layer 1702 that is provided on the terminal-semiconductor layer 1501, is made of the same material as that of the conductive film, and is in contact with the first conductive layer 100 in the opening of the terminal-first insulating film 103.

RADIATION DETECTION DEVICE

There is provided a radiation detection device capable of realizing both suppression of deformation and weight reduction of a support plate to which a radiation detection panel is fixed. A radiation detection device includes: a radiation detection panel that detects radiation; a support plate which is formed of a MgLi alloy and to which the radiation detection panel is fixed in contact with the support plate; a plurality of tubular support posts that are formed in contact with a surface of the support plate not facing the radiation detection panel; and a housing (rear surface member) in which the radiation detection panel, the support plate, and the support posts are housed and which is disposed in contact with the support posts.

Mixed-mode X-ray detector

The present invention is related to an X-ray detector and to an X-ray detector system comprising the X-ray detector. It is further related to an X-ray system and to a method for obtaining an X-ray image. According to the invention, the X-ray detector is configured to be operable in a mixed read-out mode in which an output of the X-ray sensor comprises sequentially obtained first blocks, each first block comprising a plurality of sequentially obtained different second blocks, wherein each second block comprises a read-out of the target segment, and wherein more than one of the second blocks comprises a different part of the additional segments such that each first block comprises a read-out for each of the plurality of segments.

Mixed-mode X-ray detector

The present invention is related to an X-ray detector and to an X-ray detector system comprising the X-ray detector. It is further related to an X-ray system and to a method for obtaining an X-ray image. According to the invention, the X-ray detector is configured to be operable in a mixed read-out mode in which an output of the X-ray sensor comprises sequentially obtained first blocks, each first block comprising a plurality of sequentially obtained different second blocks, wherein each second block comprises a read-out of the target segment, and wherein more than one of the second blocks comprises a different part of the additional segments such that each first block comprises a read-out for each of the plurality of segments.

Spectral imaging detector

A one-dimensional multi-element photo detector includes a photodiode array with a first upper row of photodiode pixels and a second lower row of photodiode pixels. The photodiode array is part of the photo detector. A scintillator array includes a first upper row and a second lower row of scintillator pixels. The first upper and second lower rows of scintillator pixels are respectively optically coupled to the first upper and second lower rows of photodiode pixels. The photo detector also includes readout electronics, which are also part of the photo detector. Electrical traces interconnect the photodiode pixels and the readout electronics.

Spectral imaging detector

A one-dimensional multi-element photo detector includes a photodiode array with a first upper row of photodiode pixels and a second lower row of photodiode pixels. The photodiode array is part of the photo detector. A scintillator array includes a first upper row and a second lower row of scintillator pixels. The first upper and second lower rows of scintillator pixels are respectively optically coupled to the first upper and second lower rows of photodiode pixels. The photo detector also includes readout electronics, which are also part of the photo detector. Electrical traces interconnect the photodiode pixels and the readout electronics.

Radiation Survey Process
20200081138 · 2020-03-12 · ·

A method for determining a radionuclide concentration of a material is provided. The method comprises placing a detector in a protective structure, wherein the detector is coupled to a single-channel analyzer. The method further comprises inserting the protective structure in a material, wherein the material comprises a radionuclide. The method additionally comprises measuring the moisture content of the material to be analyzed. The method also comprises counting the emitted radiation having a known energy over an interval of time to produce a count per time, wherein the emitted radiation is emitted from the radionuclide and then dividing the count per time by the weight of the material to produce a count per time per weight.

Radiation Survey Process
20200081138 · 2020-03-12 · ·

A method for determining a radionuclide concentration of a material is provided. The method comprises placing a detector in a protective structure, wherein the detector is coupled to a single-channel analyzer. The method further comprises inserting the protective structure in a material, wherein the material comprises a radionuclide. The method additionally comprises measuring the moisture content of the material to be analyzed. The method also comprises counting the emitted radiation having a known energy over an interval of time to produce a count per time, wherein the emitted radiation is emitted from the radionuclide and then dividing the count per time by the weight of the material to produce a count per time per weight.

SYSTEMS AND METHODS FOR DETERMINING A POSITION OF A FOCAL SPOT OF AN X-RAY SOURCE

A system and method for determining a position of a focal spot of an X-ray source may be provided. The system may include a shelter to attenuate X-rays emitted from the focal spot of the X-ray source and an X-ray receiver to receive X-rays. The X-ray receiver may include a plurality of X-ray receiving regions. At least one of the plurality of X-ray receiving regions may X-rays that include attenuated X-rays by the shelter and unattenuated X-rays. The shelter and the X-ray receiver may reside between the X-ray source and an X-ray detector for determining the position of the focal spot.