G01T1/20185

Handheld backscatter imaging systems with primary and secondary detector arrays

The present specification provides a detector for an X-ray imaging system. The detector includes at least one high resolution layer having high resolution wavelength-shifting optical fibers, each fiber occupying a distinct region of the detector, at least one low resolution layer with low resolution regions, and a single segmented multi-channel photo-multiplier tube for coupling signals obtained from the high resolution fibers and the low resolution regions.

Multiple spectral detectors using structured perovskite

A detector for electromagnetic radiation is disclosed. The detector includes: a first electrode layer including at least one first electrode pixel and a second electrode pixel. A second electrode and a first layer including at least one first perovskite are situated between the at least one first electrode pixel of the first electrode layer and the second electrode. Further, a second layer including at least one second different perovskite, is situated between the second electrode pixel of the first electrode layer and the second electrode. In another embodiment, a detector for electromagnetic radiation is disclosed where a first layer including at least one first perovskite, is situated between the at least one first electrode pixel of the first electrode layer and the second electrode, and between the second electrode pixel of the first electrode layer and the second electrode. A method for the production is also disclosed.

Intraoral sensor and method for producing intraoral sensor

An intraoral sensor includes an image sensor, an FOP, a scintillator, and a case. The FOP includes a first main surface, a second main surface, and a plurality of lateral surfaces. The first main surface and the second main surface have a polygonal shape. An edge of the second main surface is constituted by a plurality of corner portions, and a plurality of side portions connect the corner portions adjacent to each other. The scintillator is provided on the second main surface and the plurality of lateral surfaces in such a manner that the corner portions and the ridge portions constituted by the lateral surfaces adjacent to each other are exposed.

RADIATION DETECTOR, RADIATION DETECTOR MANUFACTURING METHOD, AND IMAGE PROCESSING METHOD
20230038637 · 2023-02-09 · ·

A radiation detector includes a wiring board, a first image sensor, a second image sensor, a first fiber optic plate, a second fiber optic plate, and a scintillator layer. The first fiber optic plate can guide light between a first light entering region and a first light exiting region. The second fiber optic plate can guide light between a second light entering region and a second light exiting region. One side of the first light entering region and one side of the second light entering region are in contact with each other. The first light exiting region is positioned on a first light receiving region. The second light exiting region is positioned on a second light receiving region. One side surface of a first side surface and one side surface of a second side surface exhibit shapes along each other and in contact with each other.

SCANNING METHOD AND APPARATUS

The invention discloses a scanning method and apparatus suitable for scanning a pipeline or process vessel in which a beam of gamma radiation from a source is emitted through the vessel to be detected by an array of detectors which are each collimated to detect radiation over a narrow angle relative to the width of the emitted radiation beam.

SCINTILLATOR PANEL
20180011207 · 2018-01-11 · ·

[Problem] Provided is a scintillator panel which is capable of imaging at a low dose while suppressing the contrast deterioration caused by scattered radiation, and further has improved luminance and MTF.

[Solving Means] A scintillator panel having a scintillator layer for converting radiation into light, characterized in that the scintillator layer is in direct contact on a photoelectric conversion element and includes a reflecting layer and a scattered radiation diffusing layer on a radiation incident side of the scintillator layer, the scattered radiation diffusing layer is present closer to the radiation incident side than the reflecting layer, and the scattered radiation diffusing layer has an X-ray transmittance of 99.5% or more.

Radiation image detector

Provided is a radiation image detector, including: a substrate; an optical image detector located on the substrate; and a radiation conversion layer located above the optical image detector to convert radiation into visible light. The optical image detector includes a photosensitive pixel array formed by a plurality of photosensitive pixels arranged periodically; each photosensitive pixel includes a photoelectric conversion layer which is capable of converting the visible light into electric charges. The photoelectric conversion layer includes an active region and an inactive region. The active region occupies less than 70% of the area of the photoelectric conversion layer. Each photosensitive pixel further includes a light-guide layer located between the radiation conversion layer and the photoelectric conversion layer and configured to guide the visible light to the active region.

Ray converter and ray detection panel device
11561309 · 2023-01-24 · ·

Disclosed are a ray converter and a ray detection panel device. The ray converter (100, 100′) includes a substrate (110) and a conversion body (120). The substrate (110) includes a medium carrier. The medium carrier has a mesoporous structure distributed in an array. A pore of the mesoporous structure extends from an entrance end of the substrate (110) to an exit end of the substrate (110). The conversion body (120) is filled in the pore. The ray detection panel device includes a ray converter (100, 100′) and a light sensor.

Handheld Backscatter Scanning Systems With Different Detector Panel Configurations
20230221457 · 2023-07-13 ·

The present specification provides a detector for an X-ray imaging system. The detector includes at least one high resolution layer having high resolution wavelength-shifting optical fibers, each fiber occupying a distinct region of the detector, at least one low resolution layer with low resolution regions, and a single segmented multi-channel photo-multiplier tube for coupling signals obtained from the high resolution fibers and the low resolution regions.

Radiation detection device

A radiation detection device includes a circuit board, a light receiving sensor having a light receiving region and a plurality of circuit regions, an FOP, a scintillator layer, and a plurality of wires. The FOP includes a first portion facing the light receiving region and fixed to the light receiving sensor, a second portion facing the circuit region while separated from the light receiving sensor, and a second portion facing the circuit region while separated from the light receiving sensor. The second portions are integrally formed with the first portion. One end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion, and one end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion.