G01T1/244

Methods and systems for uniform CT detector heat distribution

Various methods and systems are provided for an imaging detector array. In one example, a detector module of the array has a central slit separating a first tile from a second tile of the detector module. An integrated circuit is located along a first side of the first tile and along a first side of the second tile and flex cable coupled to the integrated circuit of the first portion extends through the central slit of the detector module.

Packaging of Semiconductor X-Ray Detectors
20220268949 · 2022-08-25 ·

Disclosed herein is an apparatus suitable for detecting x-ray, comprising: an X-ray absorption layer configured to generate an electrical signal from an X-ray photon incident on the X-ray absorption layer; an electronics layer comprising an electronics system configured to process or interpret the electrical signal; and an interposer chip embedded in a board of an electrically insulating material; wherein the X-ray absorption layer is bonded to the electronics layer; wherein the electronics layer is bonded to the interposer chip.

Systems, devices, and methods for lowering dental x-ray dosage including feedback sensors

Systems, devices, and methods are described for providing, among other things, an intra-oral x-ray imaging system configured to reduce patient exposure to x-rays, reduce amount of scatter, transmission, or re-radiation during imaging, or improve x-ray image quality. In an embodiment, an intra-oral x-ray imaging system includes an intra-oral x-ray sensor configured to communicate intra-oral x-ray sensor position information or intra-oral x-ray sensor orientation information to a remote x-ray source.

RECEIVING CONTAINER FOR A DETECTOR WHICH OPERATES IN AN ULTRAHIGH VACUUM OR IN A PROTECTIVE GAS ATMOSPHERE CONSISTING OF HIGH-PURITY GAS

A receiving container for a detector which operates in an ultrahigh vacuum or in a protective gas atmosphere that consists of high-purity gas. The receiving container has a receiving portion which forms at least a portion of the receiving space for the detector, and a cover for hermetically sealing the receiving space. A first sealing surface is arranged at the receiving portion and a second sealing surface matching the first sealing surface is arranged at the cover. Between the sealing surfaces a gasket is arranged. A securing device presses the cover against the receiving portion to provide a defined contact pressure of the gasket.

Modular x-ray detector
20170269238 · 2017-09-21 ·

There is provided a detector module (1) for a modular x-ray detector, wherein the detector module (1) includes multiple x-ray detector substrates (10) and associated anti-scatter collimators (20). Each x-ray detector substrate (10) has a number of detector diodes, and each x-ray detector substrate has an associated anti-scatter collimator (20). Each x-ray detector substrate (10) has an integrated circuit (30) for collecting x-ray signals from the diodes attached to the x-ray detector substrate at the bottom of the x-ray detector substrate assuming the top is where the x-rays enter, and the associated anti-scatter collimator (20) is placed above the integrated circuit (30).

TEMPERATURE COMPENSATION FOR SILICON PHOTOMULTIPLIER BASED DETECTOR
20170322324 · 2017-11-09 ·

A SiPM tile includes SiPM arrays on a detector die, each of the SiPM arrays including a first plurality of microcells and a second plurality of reference microcells dispersed on the die, each reference microcell including an optically-opaque mask, a readout circuit each including a respective charge sensitive amplifier (CSA) connected to one of the reference microcells, each CSA configured to accumulate the dark current of the reference microcell during a selected time window, a hybrid temperature control circuit configured to receive an output signal from each CSA, and to determine the real-time temperature of the die based on the received output signal, to provide the real-time temperature to a temperature compensation and correction control unit that adjusts a cooling/heating system flow provided to the die, the adjustment based on the real-time temperature. A method for compensating the operating temperature variation of the SiPM tile is also disclosed.

ASCERTAINING AN ELECTRICAL DIRECT CURRENT COMPONENT IN THE CONVERTER ELEMENT

A counting X-ray detector for converting X-ray radiation into electrical signal pulses is disclosed. The counting X-ray detector includes, in a stacked arrangement, an illumination layer, a converter element and an evaluation unit. The illumination layer is designed to illuminate the converter element. The evaluation unit includes a measuring device for ascertaining an electrical direct current component in the converter element and a counting device for ascertaining from the signal pulses a number or an energy of events. A measuring electrode is formed on the converter element and an electrically conducting connection is formed between the measuring electrode and the measuring device.

DEVICE FOR THE PREPARATION OF RADIOACTIVE SOLUTIONS

A device for radioactivity counting and characterization for a solution. The device includes a container having at least two recesses, a first recess for receiving a vial and a second recess for receiving a radioactivity sensor, a radioactivity sensor having a semiconductor sensor presenting a cone of detection directed to the first recess of the container for receiving a vial, a removable closure element, an armored cover around the container and its upper face, the upper face of the armored cover having an opening for introducing the vial into the container and a plate for supporting the device.

Thermoelectric cooler mount

An x-ray detector can be small and have efficient cooling. In one embodiment, the x-ray detector can comprise a thermoelectric cooler (TEC) with upper electrical connections, a support, a cap, and a silicon drift detector (SDD). A planar side of the support can be directly affixed to upper electrical connections of the TEC. The support can have a non-planar side, opposite of the planar side, with a raised structure. A bottom face of the cap can be affixed to the raised structure, forming a cavity between the cap and the non-planar side of the support. The SDD can be affixed to a top face of the cap. In another embodiment, the non-planar side of the support can face the TEC. In another embodiment, a PIN photodiode can be directly affixed to a plate and the plate directly affixed to upper electrical connections of the TEC.

Edge-on x-ray detector

There is provided an edge-on x-ray detector configured for detecting incoming x-rays. The edge-on x-ray detector includes a plurality of adjacent x-ray sensors, and each x-ray sensor is oriented edge-on to incoming x-rays. The x-ray sensors are arranged side-by-side and/or lined up one after the other, and the interspacing between the x-ray sensors is at least partly filled with a gap filling material including a mixture or compound of resin and metal disulfide.