Patents by Inventor Mikko MATIKKALA

Mikko MATIKKALA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230324569
    Abstract: It is an object to provide a device and a method for x-ray and/or gamma ray detection. a detector comprising a plurality of pixels, each pixel in the plurality of pixels being switchable between a floating mode and a detection mode, wherein each pixel in the plurality of pixels is configured to detect incident x-ray and/or gamma ray radiation when in the detection mode; a control unit coupled to the detector, configured to: during a first temporal frame, configure a first subset of pixels in the plurality of pixels to the floating mode and a second subset of pixels in the plurality of pixels to the detection mode; and during a second temporal frame, configure a third subset of pixels in the plurality of pixels to the floating mode and a fourth subset of pixels in the plurality of pixels to the detection mode. A device and a method are provided.
    Type: Application
    Filed: September 29, 2021
    Publication date: October 12, 2023
    Inventors: Matti Kauppinen, Mikko Matikkala
  • Publication number: 20230263491
    Abstract: It is an object to provide a device and a method for x-ray and/or gamma ray detection. According to an embodiment, a device comprises: a detector comprising a plurality of pixels, wherein the plurality of pixels comprises a first subset of pixels configured to detect incident x-ray or gamma ray radiation in a first energy range and a second subset of pixels configured to detect incident x-ray or gamma ray radiation in a second energy range; a processing unit configured to: obtain a signal from each pixel in the plurality of pixels; obtain a radiation intensity value for each pixel in the plurality of pixels based on the signal of each pixel; calculate a radiation intensity estimate in the first energy range for at least one pixel in the second subset of pixels. A device and a method are provided.
    Type: Application
    Filed: September 28, 2021
    Publication date: August 24, 2023
    Inventor: Mikko Matikkala
  • Patent number: 11362132
    Abstract: According to an embodiment, a device comprises: a scintillator layer configured to convert x-ray or gamma ray photons into photons of visible light; a photodiode layer configured to convert visible light produced by the scintillator layer into an electric current; an integrated circuit, IC, layer situated below the photodiode layer and configured to receive and process the electric current; wherein electrical contacts of the IC layer are connected to electrical contacts of the photodiode layer using wire-bonding; and wherein the wire-bonding is covered with a protective material while bottom part of the IC layer is left at least partly exposed. Other embodiments relate to a detector comprising an array of tiles according to the device; and an imaging system comprising: an x-ray source and the detector.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: June 14, 2022
    Assignee: Detection Technology Oy
    Inventors: Petteri Heikkinen, Mikko Matikkala
  • Publication number: 20210384249
    Abstract: According to an embodiment, a device comprises: a scintillator layer configured to convert x-ray or gamma ray photons into photons of visible light; a photodiode layer configured to convert visible light produced by the scintillator layer into an electric current; an integrated circuit, IC, layer situated below the photodiode layer and configured to receive and process the electric current; wherein electrical contacts of the IC layer are connected to electrical contacts of the photodiode layer using wire-bonding; and wherein the wire-bonding is covered with a protective material while bottom part of the IC layer is left at least partly exposed. Other embodiments relate to a detector comprising an array of tiles according to the device; and an imaging system comprising: an x-ray source and the detector.
    Type: Application
    Filed: September 24, 2018
    Publication date: December 9, 2021
    Inventors: Petteri HEIKKINEN, Mikko MATIKKALA
  • Patent number: 10942284
    Abstract: According to an embodiment, a method comprises: configuring a panel plate as an entrance window for high energy electromagnetic, for example x-ray or gamma ray, radiation; attaching a bias plate on the panel plate, wherein the bias plate is configured to conduct electricity and pass the radiation through it; and attaching an array of tiles, where in each tiles comprises a direct conversion compound semiconductor sensor and a readout integrated circuit, IC, layer on the bias plate so that the direct conversion compound semiconductor sensor is configured on the bias plate; wherein the direct conversion compound semiconductor sensor is configured to convert photons of the high energy electromagnetic, for example x-ray or gamma ray, radiation into an electric current; and wherein the readout IC layer is situated next to the direct conversion compound semiconductor sensor and configured to receive the electric current and process the electric current.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: March 9, 2021
    Assignee: DETECTION TECHNOLOGY OY
    Inventors: Mikko Matikkala, Arsi Stång
  • Publication number: 20190361135
    Abstract: According to an embodiment, a method comprises: configuring a panel plate as an entrance window for high energy electromagnetic, for example x-ray or gamma ray, radiation; attaching a bias plate on the panel plate, wherein the bias plate is configured to conduct electricity and pass the radiation through it; and attaching an array of tiles, where in each tiles comprises a direct conversion compound semiconductor sensor and a readout integrated circuit, IC, layer on the bias plate so that the direct conversion compound semiconductor sensor is configured on the bias plate; wherein the direct conversion compound semiconductor sensor is configured to convert photons of the high energy electromagnetic, for example x-ray or gamma ray, radiation into an electric current; and wherein the readout IC layer is situated next to the direct conversion compound semiconductor sensor and configured to receive the electric current and process the electric current.
    Type: Application
    Filed: January 25, 2018
    Publication date: November 28, 2019
    Applicant: DETECTION TECHNOLOGY OY
    Inventors: Mikko MATIKKALA, Arsi STÅNG
  • Patent number: 10416343
    Abstract: In one example, an image data correction device is configured to an ionizing radiation detection device, wherein the ionizing radiation detection device is configured to detect ionizing radiation in a plurality of energy ranges transmitted through an object to which radiation is irradiated from a radiation source, the radiation detection device comprising: a first detector for detecting ionizing radiation in a first energy range that is transmitted through the object to generate first radiation image data; a second detector configured in parallel to the first detector with a predetermined region sandwiched between the first and the second detectors, for detecting ionizing radiation in a second energy range that is transmitted through the object to generate second radiation image data. The first and the second detectors are configured to receive the ionizing radiation concurrently so that the first and the second image data are generated concurrently.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: September 17, 2019
    Assignee: Detection Technology Oy
    Inventor: Mikko Matikkala
  • Publication number: 20180024268
    Abstract: In one example, an image data correction device is configured to an ionizing radiation detection device, wherein the ionizing radiation detection device is configured to detect ionizing radiation in a plurality of energy ranges transmitted through an object to which radiation is irradiated from a radiation source, the radiation detection device comprising: a first detector for detecting ionizing radiation in a first energy range that is transmitted through the object to generate first radiation image data; a second detector configured in parallel to the first detector with a predetermined region sandwiched between the first and the second detectors, for detecting ionizing radiation in a second energy range that is transmitted through the object to generate second radiation image data. The first and the second detectors are configured to receive the ionizing radiation concurrently so that the first and the second image data are generated concurrently.
    Type: Application
    Filed: January 26, 2016
    Publication date: January 25, 2018
    Inventor: Mikko MATIKKALA