Provided is a radiation detector having a portion in which a substrate in which a plurality of pixels for accumulating electric charges generated in accordance with light converted from radiation are formed in a pixel region, a conversion layer that converts radiation into light, a reflective pressure sensitive adhesive layer that reflects the light converted by the conversion layer, and an adhesive layer that covering a region including a region ranging from an end part of the pressure sensitive adhesive layer to a surface of the substrate are provided in this order.

An anti-scatter collimator is for arrangement in a stacked construction with an X-ray detector. In an embodiment, the anti-scatter collimator includes collimator walls arranged adjacently at least along a first direction. The collimator walls are mutually spaced to provide a through-channel between each pair of adjacent collimator walls. The through-channels provided by the arrangement of the multiplicity of collimator walls are at least partially filled with a filler material.

A computer-implemented method (200) of radiation events localizations is indicated for a pixelated radiation detector (10) having a scintillator array (24) of scintillator array elements (26) arranged in an (m)×(n) array, and an optical sensor array (28) of optical sensors (30) arranged in a (q)×(z) array and coupled to the scintillator array (24) in light sharing mode. The method includes the steps of sampling (72) spatial intensity distributions of scintillation photons emitted by the scintillator array (24) in response to multiple incident radiation events; performing a clustering analysis (76) based on the sampled spatial intensity distributions, to obtain clusters (84) of radiation events attributed to scintillator array elements (26), wherein the dimension of the sampled spatial intensity distributions correspond to the (q)×(z) dimensions of the optical sensor array (28), and determining the localization of the radiation events based on the clustering analysis (76).

An average offset image is acquired without irradiation of a radiation. A first image is acquired when a first time elapses from continuous irradiation with the radiation for imaging a subject on a pixel region. A second image is acquired when a second time longer than the first time elapses from an end of the continuous irradiation. The irradiation with the radiation for imaging the subject is performed on the pixel region after an elapse of the second time from the end of the continuous irradiation and a pixel signal from the pixel region is read out to acquire a radiographic image. An offset image representing an offset component and an afterimage representing an afterimage component according to a time of the continuous irradiation, the first time, the second time, and a defined time are generated based on the first image, the second image, and the average offset image.

A radiation detector including: a substrate formed with a plural pixels in pixel region of a flexible base member, the plural pixels accumulates charges generated in response to light converted from radiation; a conversion layer provided at a surface to which the pixel region is provided on the base member, the conversion layer converts the radiation into light; and a reinforcement substrate provided at a surface of the conversion layer that faces a surface of the substrate side, the reinforcement substrate contains a material having a yield point and has a higher rigidity than the base member.

An X-ray detector comprises a first scintillator layer, a second scintillator layer, a first photodiode array, a second photodiode array, and at least one light emitting layer. The first scintillator layer is configured to absorb X-rays from an X-ray pulse and emit light. The first photodiode array is positioned adjacent to the first scintillator layer and is configured to detect at least some of the light emitted by the first scintillator layer. The second scintillator layer is configured to absorb X-rays from the X-ray pulse and emit light. The second photodiode array is positioned adjacent to the second scintillator layer and is configured to detect at least some of the light emitted by the second scintillator layer. The at least one light emitting layer is configured to emit radiation such that at least some of the emitted radiation irradiates the first photodiode array, and at least some of the emitted radiation irradiates the second photodiode array.

A radiation imaging apparatus includes an attenuation member on the back surface side opposite the radiation incident surface of a radiation detection unit. The attenuation member is configured to reduce unexpected appearance of a part disposed on the back surface side of the radiation imaging apparatus, the unexpected appearance of which occurs due to backscattered radiation reflected by the structured part on the back surface side of the radiation imaging apparatus. The attenuation member includes a material having a radiation transmittance higher than that of the part and covers the end portion of the outline of the part that overlaps the radiation detection unit in orthogonal projection onto the surface opposite the incident surface of the radiation detection unit, and the area of the attenuation member is smaller than that of the radiation detection unit.

Disclosed herein is a system comprising: a radiation source configured to cause emission of characteristic X-rays of a chemical element in human breast tissues by generating and directing radiation to the human breast tissues; a first image sensor configured to capture a first set of images of the human breast tissues using the characteristic X-rays; a second image sensor configured to capture a second set of images of the human breast tissues using the radiation that has transmitted through the human breast tissues; and a clamp configured to compress the human breast tissues against the second image sensor; wherein the first image sensor is between the clamp and the second image sensor.

Disclosed are a method for controlling a flat panel detector, and an upper computer, a flat panel detector and a medical system, so as to solve the problem that a device containing a flat panel detector in the related art has the risk of irradiating a patient with mistakenly used rays in the using process. The method includes: generating and sending a control command to a flat panel detector in response to an operation instruction of a user (101); receiving actual response identification information sent by the flat panel detector when the flat panel detector determines that the control command is a first type of control command (102); and verifying the consistency of the actual response identification information and pre-stored expected response identification information, and generating prompt information (103).

According to one embodiment, a detector module includes a direct-conversion semiconductor crystal, a first electrode provided on a first surface side of the semiconductor crystal, and a plurality of second electrodes provided on a second surface side of the semiconductor crystal opposite to the first electrode with the semiconductor crystal therebetween. The first electrode includes a first partial electrode and a second partial electrode which are applied with a high voltage independently of each other and divided at least in a channel direction.