Patent classifications
G01T1/20184
X-ray diagnostic apparatus and display method
According to an X-ray diagnostic apparatus, an X-ray tube radiates X-rays. An X-ray collimator adjusts an irradiation region of the X-rays. An X-ray detector includes a first detector and a second detector having a smaller detection area than a detection area of the first detector. The X-ray detector is able to detect the X-rays radiated with the first detector and the second detector at the same time. Processing circuitry generates a synthesized image obtained by synthesizing a first X-ray image generated based on an output from the first detector that detected the X-rays radiated in the irradiation region adjusted, and a second X-ray image generated based on an output from the second detector that detected the X-rays radiated in the irradiation region adjusted, the synthesized image having an image size corresponding to an aspect ratio of the irradiation region. The processing circuitry causes a display to display the synthesized image.
X-ray computed tomography apparatus and x-ray detector
According to one embodiment, an X-ray computed tomography apparatus includes an X-ray tube and an X-ray detector. The X-ray tube generates X-rays. The X-ray detector includes a first detection area detecting the X-rays and a second detection area detecting the X-rays. The first detection area includes a first scintillator having a first fluorescence decay time, the second detection area includes a second scintillator having a second fluorescence decay time shorter than the first fluorescence decay time. The second detection area is arranged at both ends of the first detection area with respect to a channel direction.
RADIATION IMAGING APPARATUS AND IMAGING SYSTEM
A radiation imaging apparatus, comprising a sensor array in which a plurality of sensor units are arranged and a driving unit for driving the sensor array, wherein each sensor unit includes u detection element for detecting radiation and a sampling unit configured to be able to sample a signal from the detection element, the sampling unit is connected to a signal line configured to propagate a signal from the detection element, the driving unit uses the sampling unit to perform a first sampling driving operation and a second sampling driving operation to sample the signal propagating through the signal line, and the driving unit starts the second sampling driving operation before the completion of the first sampling driving operation and completes the second sampling driving operation after the completion of the first sampling driving operation.
Active matrix substrate, and x-ray imaging panel
An active matrix substrate includes a photoelectric conversion element in a pixel P defined by a gate line and a data line. The photoelectric conversion element is connected with a bias line, and the bias line is connected with a bias terminal that supplies a bias voltage to the bias line. The bias terminal is connected with a first protection circuit that is formed with a nonlinear element. The first protection circuit is connected in a reverse-biased state between a first line to which a predetermined voltage higher than the bias voltage is supplied, and the bias terminal.
Charge amplifiers that can be implemented in thin film and are useful for imaging systems such as digital breast tomosynthesis with reduced X-ray exposure
An apparatus (e.g., an imaging system) includes a circuit, including: a p-i-n diode having a cathode coupled to a cathode bias voltage or ground; a charge transistor having a first source/drain terminal coupled to an anode of the diode; a storage capacitor having a first terminal coupled to a second source/drain terminal of the charge transistor and a second terminal coupled to the cathode; an amplification transistor having a gate terminal coupled to the first terminal of the storage capacitor and a first source/drain terminal coupled to a reference voltage; a read transistor having a first source/drain terminal coupled to a second source/drain terminal of the amplification transistor; a data line having a first terminal coupled to a second source/drain terminal of the read transistor; and a readout circuit coupled to a second terminal of the data line, providing an output voltage corresponding to charge on the storage capacitor.
Detection panel and manufacturing method thereof
A detection panel and a manufacturing method of the same are provided. The detection panel includes: a photosensitive element configured to sense a first light beam incident to the photosensitive element to generate a photosensitive signal; a drive circuit configured to be coupled to the photosensitive element to acquire the photosensitive signal from the photosensitive element, the drive circuit including a switch element; and a reflective grating which is on a side of the drive circuit where the first light beam is incident, and is configured to reflect at least a portion of the first light beam incident toward the switch element.
CONVERTER ARRAY, DETECTOR, AND PHOTODIODE ARRAY
According to one embodiment, a converter array includes a first substrate, multiple sets of a plurality of analog-digital converters and a switch. The multiple sets are arranged on the first substrate in array. The switch is configured to switch a connection relationship between the plurality of analog-digital converters to process signals from photodiodes smaller in number than the analog-digital converters.
RADIATION IMAGE CAPTURING APPARATUS
A radiation image capturing apparatus including a sensor substrate including a flexible base material and a plurality of pixels accumulating electric charges generated in accordance with radiation, a flexible first cable of which one end is electrically connected to the sensor substrate, and a flexible first circuit substrate that is electrically connected to the other end of the first cable and in which a first circuit unit driven in a case of reading out the electric charges accumulated in the plurality of pixels is mounted is provided.
SCINTILLATOR RADIATION DETECTOR AND CORRESPONDING DOSIMETER
A device such as a dosimeter for detecting ionizing radiation, for example, X-ray radiation, in hospitals or the like. The device includes scintillator material configured to produce light as a result of radiation interacting with the scintillator material, and photoelectric conversion circuitry optically coupled to the scintillator material and configured to produce electrical signals via photoelectric conversion of light produced by the scintillator material. The device includes a plurality of photoelectric converters optically coupled with the scintillator material at spatially separated locations. The plurality of photoelectric converters thus produce respective electrical signals by photoelectric conversion of light produced by the scintillator material as a result of radiation interacting with the scintillator material. Improved energy linearity is thus facilitated while providing more efficient detection over the whole energy spectrum of radiation detected.
Structured detectors and detector systems for radiation imaging
A radiation detector module including a scintillator element configured to generate optical signals in response to incident radiation. A photodetector is coupled to at least a first surface of the scintillator element, the photodetector configured to convert the optical signals into output characterizing the radiation. An acoustic array is coupled to at least a second surface of the scintillator element, the acoustic array configured to convert acoustic signals generated in the scintillator element into output characterizing acoustic energy deposited therein.