Shenzhen Xpectvision Technology Co., Ltd.

Shenzhen Genorivision Technology Co., Ltd.

Yurun Liu

Peiyan Cao

Chongshen Song

Rui Ding

Huabin Cheng

Disclosed herein is an imaging system, comprising: an image sensor which comprises: a system printed circuit board (system PCB); M group printed circuit boards (group PCBs (i), i=1, . . . , M) mounted on a mounting surface of the system PCB; and Ni radiation detectors mounted on the group PCB (i), for i=1, . . . , M, wherein M and Ni, i=1, . . . , M are integers greater than 1, wherein the image sensor is configured to scan a scene in a scanning direction, and wherein, for each group PCB (i), there is not a plane which (A) is parallel to a normal direction of the mounting surface of the system PCB, (B) is parallel to the scanning direction, (C) divides all active areas of the Ni radiation detectors into 2 groups of active areas, and (D) does not intersect any active area of all the active areas of the Ni radiation detectors.

Imaging systems with image sensors having multiple radiation detectors

Disclosed herein is system comprising: a radiation source; an image sensor; wherein the image sensor comprises a first radiation detector and a second radiation detector, respectively comprising a planar surface configured to receive radiation from the radiation source; wherein the planar surface of the first radiation detector and the planar surface of the second radiation detector are not parallel; wherein the first radiation detector and the second radiation detector are configured to move to a plurality of positions relative to the radiation source; wherein the image sensor is configured to capture, by using the first radiation detector and the second radiation detector and with the radiation, images of portions of a scene at the positions respectively, and configured to form an image of the scene by stitching the images of the portions; wherein the system is configured to rotate relative to the scene about a third axis.

Imaging system having radiation detectors of different orientations

Disclosed herein is an apparatus, comprising: an X-ray source; an X-ray detector; wherein the X-ray source is configured to direct an X-ray beam toward a surface at a glancing angle at which the X-ray beam undergoes total external reflection by the surface; wherein a first biological analyte is immobilized to the surface and a first element is attached to the first biological analyte; wherein the X-ray beam is capable of causing emission of characteristic X-rays of the first element; wherein the X-ray detector is configured to receive the characteristic X-rays of the first element but not the X-ray beam reflected by the surface.

Apparatus and method for biological analyte studying using x-ray fluorescence

Disclosed herein is a backscatter X-ray system comprising: an X-ray source configured to scan a sheet of X-ray across an object, wherein the sheet of X-ray illuminates one line on a surface of the object; a sensor configured to differentiate backscattered X-ray from different spots along the line.

Backscatter X-ray system

Disclosed herein is a method comprising: moving an image sensor along a first direction among a plurality of positions relative to a scene and capturing partial images of the scene respectively at the plurality of positions; forming an image of the scene from the partial images; wherein the image sensor has an active area and a dead zone; wherein the dead zone extends along a second direction; wherein the second direction is at an angle with the first direction; wherein each point in the scene falls on the dead zone no more than once when the image sensor is at the plurality of positions.

Imaging method comprising moving an image sensor along a first direction among a plurality of positions relative to a scene and capturing partial image of the scene respectively at the plurality of positions

Disclosed herein are apparatuses for detecting radiation and methods of making them. The method comprises forming a recess into a semiconductor substrate, wherein a portion of the semiconductor substrate extends into the recess and is surrounded by the recess; depositing semiconductor nanocrystals into the recess, the semiconductor nanocrystals having a different composition from the semiconductor substrate; forming a first doped semiconductor region in the semiconductor substrate; forming a second doped semiconductor region in the semiconductor substrate; wherein the first doped semiconductor region and the second doped semiconductor region form a p-n junction that separates the portion from the rest of the semiconductor substrate.

Apparatuses for radiation detection and methods of making them

Disclosed herein is an apparatus comprising: a first radiation source configured to produce a first divergent radiation beam toward an object; a second radiation source configured to produce a second divergent radiation beam toward the object; and an image sensor; wherein the object is configured to rotate with respect to the image sensor, the first radiation source, and the second radiation source, and wherein relative positions among the image sensor, the first radiation source, and the second radiation source are fixed.

Multi-source cone beam computed tomography

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.

Mammography imaging system using X-ray fluorescence

Disclosed herein is a method, comprising: introducing a tracer into a body region of an organism at an introduction site of the organism; causing emission of characteristic X-rays of the tracer in the body region; capturing images of the tracer in the body region with the characteristic X-rays; determining a first three-dimensional (3D) distribution of the tracer in the body region based on the images; and examining the first 3D distribution of the tracer in the body region to identify a sentinel lymph node for the introduction site. If the sentinel lymph node is not identified in the first 3D distribution, the method further comprises repeating said causing, said capturing, and said determining thereby resulting in a second 3D distribution of the tracer in the body region; and examining the second 3D distribution to identify the sentinel lymph node.

Systems and methods for three-dimensional imaging

Disclosed herein is a method comprising: translating a detector module such that a point of the detector module moves along a curve through movement rounds (i), i=1, . . . , M, with M being a positive integer, wherein the curve is smooth; and in the movement round (i), i=1, . . . , M, capturing partial images (i, j) of a scene using the detector module, j=1, . . . , Hi, when the point is at position Pi,j on the curve, with Hi being an integer greater than 1.

Imaging system

Disclosed herein is a system comprising: a radiation source; a marker; a first image sensor; and a second image sensor; wherein the first image sensor is configured to capture images of the marker; wherein the second image sensor is configured to move between a first position and a second position; wherein the second image sensor is configured to capture a first set of images of portions of a scene at the first position and to capture a second set of images of portions of the scene at the second position; wherein the second image sensor and the radiation source are configured to collectively rotate relative to the scene; wherein the second image sensor is configured to form an image of the scene by stitching an image selected from the first set and an image selected from the second set based on the images of the marker.

Disclosed herein is a radiation detector comprising: an electronics layer comprising a first set of electric contacts and a second set of electric contacts; a radiation absorption layer configured to absorb radiation; a first set of electrodes and a second set of electrodes, wherein the first set of electrodes and the second set of electrodes are interdigitated and extend into the radiation absorption layer in a direction of thickness thereof; wherein the electronics layer and the radiation absorption layer are bonded such that the first set of electrodes are electrically connected to the first set of electric contacts and the second set of electrodes are electrically connected to the second set of electric contacts.

Semiconductor radiation detector

Disclosed herein is a method comprising: causing emission of characteristic X-rays of a first element attached to a first biological analyte; causing emission of characteristic X-rays of a second element attached to a second biological analyte; detecting a characteristic of the first biological analyte based on the characteristic X-rays of the first element and a characteristic of the second biological analyte based on the characteristic X-rays of the second element; wherein the first element and the second element are different; wherein the first biological analyte and the second biological analyte are in the same solution.

Biological imaging method using X-ray fluorescence

Disclosed herein is a method and a system for reconstructing a three-dimensional image of an object, based on stitched images of the object obtained using multiple beams.

Imaging systems with multiple radiation sources

Disclosed herein is a method comprising: determining doses of radiation received by a first set of pixels of a radiation detector; determining that the doses satisfy a criterion; adjusting exposure of the radiation detector to the radiation in response to the doses satisfying the criterion; and forming an image based on radiation received by a second set of pixels of the radiation detector.

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Shenzhen, China

Yurun Liu