Abstract: A method for security inspection of baggage and/or personal items and a kit of parts include a detachable single-use inlay and an X-ray tray of a security check, for example, at an airport. A single-use inlay as such is also described. Furthermore, this disclosure relates to use of the kit of parts and/or the single-use inlay for the prevention of transfer of pathogenic agents. At least one metal organic framework (MOF) provided on the outer side and/or inner side of the single-use inlay is adapted and arranged to detect at least one explosive or any other hazardous compound, and/or detect at least one drug.
Type:
Grant
Filed:
October 7, 2019
Date of Patent:
April 12, 2022
Inventors:
Saray González Marín, Eckhard Edelbert Melz
Abstract: Disclosed are an optical detection method and an optical detection apparatus for a fatigue state of a user, and an optical detection device, this application relates to the field of detection technology, and is for improving accuracy of detection of the fatigue state. An optical detection method includes: irradiating eyes of the user with an infrared light; obtaining an intensity of an infrared light reflected by the eyes of the user; and determining whether the user is in a fatigue state based on the intensity of the reflected infrared light.
Abstract: An inspection system and a method of using the same are disclosed. The inspection system comprises an illumination source configured to emit an extreme ultraviolet (EUV) illumination beam for illuminating a sample, one or more first multi-cell detectors configured to generate a first illumination intensity distribution signal based on a first photocurrent, one or more second multi-cell detectors configured to generate a second illumination intensity distribution signal based on a second photocurrent, a detector assembly configured to receive the illumination beam and generate images, and a controller configured to: receive the images from the detector assembly, calibrate the second illumination intensity distribution signal to the images by mapping distortions in the second illumination intensity distribution signal to distorted pixels in the images, increase or decrease intensities of the distorted pixels in the images to generate corrected images, and detect defects on the samples.
Type:
Grant
Filed:
December 3, 2020
Date of Patent:
April 5, 2022
Assignee:
KLA Corporation
Inventors:
Larissa Juschkin, Konstantin Tsigutkin, Debashis De Munshi
Abstract: The present disclosure relates to a method and system for the in-situ detection of cadmium chelates in a plant. The method includes: preparing cadmium chloride and phytochelatin (PC) 2 samples with different concentrations; using terahertz time-domain spectroscopy (THz-TDS) to determine a terahertz (THz) reflection image for the cadmium chloride and PC 2 samples; building a cadmium chloride content detection model according to first spectral data; building a PC 2 content detection model according to second spectral data; determining an optimal mixed sample according to the cadmium chloride content detection model and the PC 2 content detection model; building a Cd—PC2 content detection model according to the optimal mixed sample; and using the Cd—PC2 content detection model to determine a cadmium chelate content in a to-be-tested plant. The present disclosure can quickly and in-situ detect the heavy metal accumulation capacity of a plant.
Type:
Grant
Filed:
March 2, 2021
Date of Patent:
March 29, 2022
Inventors:
Yong He, Yinglei Zhao, Pengcheng Nie, Lei Lin, Xuping Feng
Abstract: A time correction device for a PET system comprises a detector ring, a ring-shaped prosthesis, and detection, data acquisition, data coincidence, time shift calculation, data correction application modules. Center of the ring-shaped prosthesis overlaps with axial and radial center of the detector ring. The detection module is located in ring-shaped prosthesis. Center of the detection module is at the center of the ring-shaped prosthesis. The data acquisition module comprises data gathering and energy filtering modules connected to each other. The data gathering module comprises detectors and the detection module. The energy filtering module connects to the data gathering module receiving single-event time information. The data coincidence module is connects to the energy filtering module receiving the single-event time information. Time shift calculation module connects to the data coincidence module providing a shift value of the detectors.
Abstract: There is provided an auto detection system including a thermal detection device and a host. The host controls an indication device to indicate a prompt message or detection results according to a slope variation of voltage values or 2D distribution of temperature values detected by the thermal detection device, wherein the voltage values include the detected voltage of a single pixel or the sum of detected voltages of multiple pixels of a thermal sensor.
Abstract: An optical sensor assembly is provided. The optical sensor assembly includes a circuit board, an optical sensor positioned on the circuit board, and a front cover attached to the circuit board and covering the optical sensor. The front cover includes an optical element configured to guide or condense an incident light of a predetermined wavelength onto the optical sensor. The front cover is made of polypropylene or polyethylene. The predetermined wavelength is in a range from 8 micrometers to 12 micrometers.
Abstract: The present invention relates in one aspect to a method of detecting a contaminant in a measurement chamber (201) of a sample analyzer (200). The sample analyzer (200) comprises an optical sensor with a sensor layer (205) comprising a luminophor (201), wherein the sensor layer (205) has a sensor surface (206) forming an interface to the measurement chamber (201).
Type:
Grant
Filed:
December 12, 2018
Date of Patent:
March 8, 2022
Assignee:
RADIOMETER MEDICAL APS
Inventors:
Peter Frischauf, Michael Taagaard, Flemming Aas
Abstract: An illuminator comprising more than one set of ultraviolet radiation sources. A first set of ultraviolet radiation sources operate in a wavelength range of approximately 270 nanometers to approximately 290 nanometers. A second set of ultraviolet radiation sources operate in a wavelength range of approximately 380 nanometers to approximately 420 nanometers. The illuminator can also include a set of sensors for acquiring data regarding at least one object to be irradiated by the first and the second set of ultraviolet radiation sources. A control system configured to control and adjust a set of radiation settings for the first and the second set of ultraviolet radiation sources based on the data acquired by the set of sensors.
Abstract: Devices and methods for recording dynamics of cellular and/or biochemical processes, including a device including one or more dispersive elements configured to receive a pulsed laser beam with a spectrum of different wavelengths and disperse the spectrum of the pulsed laser beam; and one or more first elements configured to receive the dispersed spectrum of the pulsed laser beam, and generate a multiphoton excitation area in a biological sample by re-overlapping in time and space the dispersed spectrum of the pulsed laser beam on an area in the biological sample, wherein the device is configured to record at high speed changes of cellular and biochemical processes of a population of cells of the biological sample based on generation of the multiphoton excitation area in the biological sample.
Abstract: A system for a synchronous high speed shutter for sensor protection comprising a shutter disk having a rotational axis; wherein the rotational axis of the shutter disk is perpendicular to an optical axis of the sensor. A plurality of paired reflecting elements on the shutter disk, perpendicular to a surface of the shutter disk, wherein a polished surface of each of the plurality of paired reflecting elements is figured to match an angle (f #) of an incoming ray bundle; whereby incoming radiation is directed back out collecting optics; wherein the sensor comprises a single photon Geiger mode detector, and whereby the sensor is protected from damage by over-current due to a flood of photons.
Type:
Grant
Filed:
October 21, 2019
Date of Patent:
February 15, 2022
Assignee:
BAE Systems Information and Electronic Systems Integration Inc.
Abstract: The disclosure relates to a scintillator material for a radiation detector. In an embodiment, the scintillator material can include a crystalline alkaline-earth metal halide comprising at least one alkaline-earth metal selected from Mg, Ca, Sr, Ba, said alkaline-earth metal halide being doped with at least one dopant that activates the scintillation thereof other than Sm2+, and co-doped with Sm2+, said alkaline-earth metal halide comprising at least one halogen selected from Br, Cl, I.
Type:
Grant
Filed:
July 10, 2020
Date of Patent:
February 15, 2022
Assignees:
STICHTING VOOR DE TECHNISCHE WETENSCHAPPEN, UNIVERSITE DE BERNE
Inventors:
Pieter Dorenbos, Karl Krämer, Mikhail Alekhin
Abstract: The device (40) for capturing point values for constituting an image, comprises: an incoherent source (100) of rays, the frequency of which is between 0.075 THz and 10 THz for illuminating an object, a sensor (415) of radiation coming from the object, which comprises an area sensitive to the radiation coming from the source and which emits an electrical signal representative of the intensity of the rays coming from the source and reaching the sensitive area of the sensor, and at least one optical focusing system (400, 410) with aperture number (F-Number) less than one, situated on the optical path of rays emitted by the source and propagating from the source to the sensor of rays, passing via the object. Preferably, the source (100) illuminates the object with a sufficiently broad emission spectrum to scan the standing wave in a period shorter than the acquisition time of the sensor. Preferably, the incoherent source has a bandwidth of several GHz, preferably at least equal to 12 GHz at ?100 dB.
Abstract: According to one embodiment, a radiation detector includes a first layer including a metal complex, a first conductive layer, a second conductive layer provided between the first layer and the first conductive layer, and an organic semiconductor layer provided between the first conductive layer and the second conductive layer.
Type:
Grant
Filed:
March 11, 2020
Date of Patent:
January 18, 2022
Assignee:
KABUSHIKI KAISHA TOSHIBA
Inventors:
Fumihiko Aiga, Atsushi Wada, Kohei Nakayama, Yuko Nomura, Sara Yoshio, Rei Hasegawa, Isao Takasu
Abstract: A pixel structure of flat panel detection device, a flat panel detection device, and a camera system. The pixel structure of the flat panel detection device includes a photodiode configured to collect optical signals and convert the optical signals into electrical signals, the photodiode includes a positive terminal and a negative terminal, the negative terminal is connected to a bias voltage signal terminal; a signal amplification circuit, a signal input terminal of the signal amplification circuit is connected to the negative terminal of the photodiode, a signal output terminal of the signal amplification circuit is connected to a first node; a first switching transistor, a control electrode of the first switching transistor is connected to a scanning signal line, a first terminal of the first switching transistor is connected to a data signal line, and a second terminal of the first switching transistor is connected to the first node.
Abstract: A method for automated, in-line measurement of a differentiated surface cleanliness, in terms of carbon, of a continuously-moving metal sheet or strip, having a level of surface carbon pollution lower than 100 mg/m2, includes: generating a radiation beam using a source; focusing the radiation beam using a focusing device such that an energy density deposited on the metal strip or sheet is sufficient to create a plasma and generate CN radicals in the plasma if carbon and nitrogen are present; creating a nitrogen atmosphere around the plasma using a sweeping system with a flow rate that prevents any presence of oxygen from air in the plasma; analyzing light emitted by the plasma using an optical collection device, and redirecting the light toward a spectrometer or device for separating wavelengths of the emitted light; measuring an intensity of an intense vibration line of the CN radical.
Type:
Grant
Filed:
August 10, 2017
Date of Patent:
January 4, 2022
Assignee:
CENTRE DE RECHERCHES METALLURGIQUES ASBL
Abstract: An array substrate for a digital X-ray detector, a digital X-ray detector including the same, and a method for manufacturing the same are disclosed. The array substrate reduces a step difference of a PIN diode, removes a bent part from a lower part to reduce characteristic deterioration of the PIN diode, and increases the size of a formation region of the PIN diode to increase a fill factor. To this end, the array substrate allows a source region of an active layer included in a thin film transistor to be in surface contact with a lower electrode of the PIN diode, and disposes the lower electrode over a planarized source region or a base substrate, such that a step difference of the PIN diode is reduced and fill factor is improved.
Abstract: An infrared device comprises a substrate. A configuration for emitting infrared radiation is supported by the substrate. The configuration comprises an electrically conducting layer arrangement of less than 50 nm thickness between dielectric layers. In addition, a heater arranged for heating the configuration to emit the infrared radiation is supported by the substrate.
Type:
Grant
Filed:
September 28, 2018
Date of Patent:
December 28, 2021
Assignee:
SENSIRION AG
Inventors:
Nicolas Zäch, Martin Winger, Nicolas Daix, Sebastian Raab, Thomas Uehlinger
Abstract: A storage phosphor panel can include an extruded inorganic storage phosphor layer including a thermoplastic polymer and an inorganic storage phosphor material, where the extruded inorganic storage phosphor panel has an image quality comparable to that of a traditional solvent coated inorganic storage phosphor screen. Further disclosed are certain exemplary method and/or apparatus embodiments that can provide inorganic storage phosphor panels including a selected blue dye that can improve resolution. Certain exemplary storage phosphor panels include inorganic storage phosphor material with specific extrudable blue dye (copper phthalocyanine) for resolution greater than 16 line pairs per mm. Certain exemplary storage phosphor panel embodiments include any non-needle storage phosphor panel with resolution greater than or equal to 19 line pairs per mm.
Type:
Grant
Filed:
March 31, 2016
Date of Patent:
December 14, 2021
Inventors:
Seshadri Jagannathan, Charles M. Rankin, Lawrence D. Folts, Barbara Ulreich, Betsy J. Guffey, Jean-Marc Inglese