A radiographic imaging apparatus including: a sensor substrate in which pixels are formed in a first surface of a base material; a conversion layer provided on the first surface; a signal processing substrate provided on one side the sensor substrate and includes at least a part of a signal processing unit; a driving substrate provided on the one side or the other side of the sensor substrate and includes at least a part of a drive unit; a first cable of which one end is connected to the sensor substrate and the other end is electrically connected to the signal processing substrate; and a second cable of which one end is connected to the sensor substrate, and passes through the first surface side or a second surface side of the base material and the other end is connected to the driving substrate.

A radiation imaging apparatus includes pixels arranged to form pixel rows and pixel columns. The pixels include first pixels and second pixels whose sensitivity to radiation is lower than the first pixels. The apparatus further includes a signal lines arranged to correspond to the pixel columns, a readout circuit configured to read out a signal from the pixels via the signal lines, and a processing unit configured to decide a correction value using signals read out from the second pixels and correct signals read out from the first pixels using the correction value. An internal structure of the readout circuit has a period. The second pixels are arranged such that there are two or more types of remainders of column numbers of pixel columns that include the second pixels divided by the period.

The present specification discloses a system that employs a shutter-less method of measuring afterglow, in which the start and termination of the stimulating radiation from the radiation source is controlled electronically. A fast decay scintillator may be used in the beam path to monitor and track the rise and fall of the stimulating radiation to determine the dose and full cessation of the stimulating radiation. This information is used to calculate the afterglow for a slow decay scintillator. This method can also be used to calibrate and normalize scanned image data and produce an enhanced image. The fast decay scintillator is used as a monitoring or tracking device to be able to determine radiation source decay.

A radiation detector includes a flexible substrate, plural pixels provided on the substrate and each including a photoelectric conversion element, a scintillator stacked on the substrate and including plural columnar crystals, and a bending suppression member configured to suppress bending of the substrate. The bending suppression member has a rigidity that satisfies R≥L−r/tan Φ+4r.Math.{(L−r/tan Φ).sup.2−(d/2).sup.2}.sup.1/2/d, wherein L is an average height of the columnar crystals, r is an average radius of the columnar crystals, d is an average interval between the columnar crystals, Φ is an average tip angle of the columnar crystals, and R is a radius of curvature of bending occurring in the substrate due to the weight of the scintillator.

Aiming at enabling a frame rate to be increased, a solid-state imaging apparatus according to an embodiment includes: a photoelectric conversion element (PD); a transfer transistor (TRG); a reset transistor (RST); an amplifier transistor (AMP); a converter circuit (151) that converts an analog voltage appearing at a vertical signal line (VSL) into a digital voltage value; a first signal line (RCL) that is connected to the gate of the reset transistor; a second signal line (RCL) that is connected to the gate of the transfer transistor; and a drive circuit (12) that outputs to the first signal line a reset pulse for causing the reset transistor to discharge charge in a charge accumulation portion, and outputs to the second signal line a transfer pulse for causing the transfer transistor to transfer charge generated in the photoelectric conversion element to the charge accumulation portion. The drive circuit outputs the reset pulse to the first signal line, and then outputs the transfer pulse to the second signal line successively in two or more times.

A radiation detector including: a substrate formed with plural pixels that accumulate electrical charges generated in response to light converted from radiation in a pixel region at an opposite-side surface of a base member to a surface including a fine particle layer; the base member being flexible and is made of resin and that includes a fine particle layer containing inorganic fine particles having a mean particle size of from 0.05 μm to 2.5 μm, a conversion layer provided at the surface of the base member provided with the pixel region and configured to convert the radiation into light; and a reinforcement substrate provided to at least one out of a surface on the substrate side of a stacked body configured by stacking the substrate and the conversion layer, or a surface on the conversion layer side of the stacked body.

A difference in wiring capacitance between bias lines is reduced by equalizing, for pixels A connected to a signal line from a first direction and pixels B connected to the signal line from a second direction, the numbers of the pixels A and the pixels B where the pixels A and the pixels B are each connected to the corresponding bias line.

A solid-state imaging apparatus includes a photoelectric conversion element, a transfer transistor, a reset transistor, an amplifier transistor, a converter circuit that converts an analog voltage appearing at a vertical signal line into a digital voltage value, a first signal line that is connected to the gate of the reset transistor, a second signal line that is connected to the gate of the transfer transistor, and a drive circuit that outputs to the first signal line a reset pulse for causing the reset transistor to discharge charge in a charge accumulation portion, and outputs to the second signal line a transfer pulse for causing the transfer transistor to transfer charge generated in the photoelectric conversion element to the charge accumulation portion. The drive circuit outputs the reset pulse to the first signal line, and then outputs the transfer pulse to the second signal line successively in two or more times.

A portable radiological cassette includes a scintillator, a photosensitive slab, the scintillator and the photosensitive slab forming a panel, the panel having a front face intended to receive the incident x-ray and a rear face opposite the front face, an electronic circuit board, a mechanical protection housing, wherein the panel and the electronic circuit board are disposed, comprising a top face and a bottom face; wherein the top face of the mechanical protection housing comprises: a first layer of rigid material, a second layer of rigid material, the second layer of rigid material being in contact with the front face of the panel, a layer of cellular material disposed between the first and the second layers of rigid material.

The present disclosure provides a nuclear detection simulation device based on a nanosecond light source and a nuclear signal inversion technology. Electronic circuits and nuclear pulse current signals are used to drive blue LEDs to emit nuclear pulse optical signals, so as to simulate a scintillator to receive γ radiation to emit light, and can simulate point sources and area sources, organic scintillator detectors and inorganic scintillators, scintillation efficiency and detection efficiency, radioactive sources, fast components and slow components, multi-type nuclear pulse signals, a statistical fluctuation phenomenon of nuclear pulses, the electron pair effect, the Compton effect, the photoelectric effect, and self-radiation of the scintillator, generate single or piled-up pulse signals, corresponding energy spectrum curves, and an environmental background spectral line. 3D visualization configuration and a nuclear signal detection process can be subjected to animated demonstration.