Patents Assigned to Hamamatsu Photonics, K. K.
  • Patent number: 11411131
    Abstract: A method for producing a light detection device includes preparing a back-illuminated light receiving element that includes a plurality of light receiving sections and a trench which is open to a first main surface so as to isolate the adjacent light receiving sections from each other; disposing the light receiving element on a wiring substrate such that the first main surface of the light receiving element faces the wiring substrate; forming a resin mold, which reaches at least a position that is further away from the wiring substrate than an end portion on a second main surface side of the trench in a thickness direction of the wiring substrate, on the wiring substrate so as to surround an entire side surface of the light receiving element; polishing the light receiving element and the resin mold from the second main surface side of the light receiving element.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: August 9, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventor: Masaru Morishita
  • Publication number: 20220244214
    Abstract: An ion detection device includes an ion sensor having a sensitive film immersed in an aqueous solution and outputting an output signal in accordance with a potential change of the sensitive film, and an adjuster acquiring the output signal of the ion sensor and adjusting a drive signal for driving the ion sensor to reduce an offset from a predetermined reference value in the output signal.
    Type: Application
    Filed: May 19, 2020
    Publication date: August 4, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Seiichiro MIZUNO, Hiroo YAMAMOTO, Sho MORITA, Toshiki WAKAMORI
  • Publication number: 20220246417
    Abstract: The present embodiment relates to an ion detector and the like that can reduce a dark current serving as a noise component. An ion detector having an electron multiplier includes a shield structure confining a potential gradient spreading in all directions starting from an input electrode into a limited space including the input electrode, and an input cable having one end electrically connected to the input electrode. The shield structure has a structure surrounding at least the input electrode, and includes one or more members. Each of the members is comprised of a metal material or an insulating material. Further, a part of the shield structure is constituted by a metal mesh window. An outer peripheral surface of the input cable is covered with an insulating coating in order to block the arrival of unnecessary ions and electrons generated inside and outside the shield structure.
    Type: Application
    Filed: December 6, 2019
    Publication date: August 4, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Takeshi ENDO, Hiroshi KOBAYASHI
  • Publication number: 20220242721
    Abstract: An actuator device includes a support portion, a movable portion, a connection portion which connects the movable portion to the support portion on a second axis, a first wiring which is provided on the connection portion, a second wiring which is provided on the support portion, and an insulation layer which includes a first opening exposing a surface opposite to the support portion in a first connection part located on the support portion in one of the first wiring and the second wiring and covers a corner of the first connection part. The rigidity of a first metal material forming the first wiring is higher than the rigidity of a second metal material forming the second wiring. The other wiring of the first wiring and the second wiring is connected to the surface of the first connection part in the first opening.
    Type: Application
    Filed: April 21, 2022
    Publication date: August 4, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Sadaharu TAKIMOTO, Yuki MORINAGA, Daiki SUZUKI, Yoshihisa WARASHINA
  • Publication number: 20220246384
    Abstract: An X-ray tube includes an electron gun unit, a target that generates X-rays, and a vacuum housing unit. The vacuum housing unit has a metal housing unit for supporting the target and a bulb unit formed of an insulating material and connected to the metal housing unit. The electron gun unit has a focusing electrode portion at an end portion on an emission side of the electrons, the focusing electrode portion having a tubular shape for focusing the emitted electrons. In the electron gun unit, at least a part of the focusing electrode portion is supported by the bulb unit so as to be located in the metal housing unit. When viewed from an X-ray generation position on the target, the focusing electrode portion blocks a line of sight from the X-ray generation position to the bulb unit.
    Type: Application
    Filed: July 13, 2020
    Publication date: August 4, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventor: Atsushi ISHII
  • Patent number: 11402328
    Abstract: The present invention relates to a method for detecting an amyloid ? oligomer which includes a test sample and thioflavin T are brought into contact with each other, fluorescence of the thioflavin T is measured to obtain time-resolved fluorescence spectra, the time-resolved fluorescence spectrum of time period t1 to t2 and the time-resolved fluorescence spectrum of time period t3 to t4 are respectively normalized to obtain normalized spectra (t1<t2?t3<t4), and determination is made to confirm the presence or absence of an amyloid ? oligomer in the test sample on the basis of the two normalized spectra, and shifting of the normalized spectrum of time period t3 to t4 towards the low wavelength side in comparison to the normalized spectrum of time period t1 to t2 indicates the presence of an amyloid ? oligomer in the test sample.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: August 2, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Akinori Oda, Hiroshi Satozono, Tomomi Shinke, Yohei Takata
  • Patent number: 11401248
    Abstract: The present invention relates to a method for purifying pure thioflavin T having a step of preparing a thioflavin T solution in which crude thioflavin T is dissolved in a polar solvent and a step of carrying out liquid-liquid extraction of the thioflavin T solution with a non-polar solvent.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: August 2, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventor: Hiroshi Satozono
  • Patent number: 11404256
    Abstract: A sample support body is for ionization of a sample. The sample support body includes a substrate including a first surface and a second surface on sides opposite to each other, and a conduction layer provided at least on the first surface. A plurality of through-holes opening on the first surface and the second surface are formed in an effective region of the substrate, the effective region being for ionizing components of the sample. A width of a second opening on the second surface side is larger than a width of a first opening on the first surface side in each of the plurality of through-holes.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: August 2, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Masahiro Kotani, Takayuki Ohmura
  • Patent number: 11402200
    Abstract: The present invention relates to a measuring device having a structure for adjusting inclination of an observation surface of a sample with respect to a reference surface which is orthogonal to an optical axis of an objective lens, and the like. The measuring device includes a scanner, arranged on a propagation path of illumination light traveling from a light source toward the sample, configured to change an emission angle of the illumination light, and inclination information of the sample is obtained by associating a signal value of a detection signal for reflected light from the sample and the emission angle of the illumination light, while changing the emission angle of the illumination light by the scanner.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: August 2, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventor: Tomonori Nakamura
  • Patent number: 11405573
    Abstract: A light detection device detects an incident position of light. The plurality of pixels are arranged two-dimensionally in a matrix and individually have a first photosensitive portion and a second photosensitive portion. The first circuit connects a plurality of first photosensitive portions to each other for every row. The second circuit connects a plurality of second photosensitive portions to each other for every column. The first reading unit reads signal data through the first circuit. The second reading unit reads signal data through the second circuit. The first circuit includes row switches arranged to switch electrical connection and disconnection between first photosensitive portions adjacent to each other in the same row.
    Type: Grant
    Filed: December 25, 2018
    Date of Patent: August 2, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Yoshinori Matsui, Munenori Takumi, Haruyoshi Toyoda, Kazutaka Suzuki, Kazuhiro Nakamura
  • Publication number: 20220238317
    Abstract: A sample support is a sample support for sample ionization, including: a substrate formed with a plurality of through holes opening to a first surface and a second surface on a side opposite to the first surface; a conductive layer provided not to block the through hole in the first surface; and a frame body provided in a peripheral portion of the substrate to surround an ionization region in which a sample is ionized when viewed in a thickness direction of the substrate, in which a marker for recognizing a position in the ionization region is provided in the frame body.
    Type: Application
    Filed: April 12, 2022
    Publication date: July 28, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Miu TAKIMOTO, Takayuki OHMURA, Masahiro KOTANI
  • Publication number: 20220238293
    Abstract: An X-ray module includes a housing in which an opening portion is formed; an electron gun that emits an electron beam; a target that transmits an X-ray generated when the electron beam is incident on the target and emits the X-ray from an X-ray-emitting surface; an X-ray-emitting window that seals the opening portion, and that transmits the X-ray and emits the X-ray to a first side in an axial direction; and a heat radiating unit disposed outside the housing. The housing includes a surface on which a protrusion protruding to the first side is formed, the opening portion is formed in the protrusion, and the target is disposed in the opening portion. The heat radiating unit includes a first portion extending along the surface and thermally connected to the surface, and a second portion extending from the first portion to a second side opposite the first side.
    Type: Application
    Filed: January 11, 2022
    Publication date: July 28, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Atsushi ISHII, Akihito KOBAYASHI
  • Publication number: 20220236558
    Abstract: An optical unit includes: a base which includes a main surface; a mirror device which includes a movable mirror portion and is disposed on the base; a frame member that is provided on the main surface so as to surround the mirror device; and a window member that is bonded to the frame member and has a flat plate shape. The frame member includes a first wall portion which is provided on the main surface and includes a first top surface on the side opposite to the main surface, a second wall portion which is provided on the main surface so as to face the first wall portion and includes a second top surface on the side opposite to the main surface.
    Type: Application
    Filed: April 18, 2022
    Publication date: July 28, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Yuki MORINAGA, Anna YOSHIDA, Yoshihisa WARASHINA
  • Publication number: 20220238775
    Abstract: In a method for making a light-emitting device, a plurality of windows (20) on which light source (10) are mounted is prepared, an block (AG1) in which a plurality of packages (30) are connected in an array is prepared, the window (20) is mounted in each package (30) of the block (AG1) to electrically connect a first pad (25) and a second pad (36) corresponding to each other, and the block (AG1) is separated to obtain the plurality of packages (30) on which the corresponding window (20) are mounted.
    Type: Application
    Filed: May 27, 2020
    Publication date: July 28, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Takahide YANAI, Yoshihiro OKUYAMA
  • Publication number: 20220238292
    Abstract: An X-ray module includes a housing; an electron gun that emits an electron beam inside the housing; a target disposed inside the housing and fixed to the housing, to generate an X-ray when the electron beam is incident on the target; and a deflection unit including a permanent magnet and disposed outside the housing, to deflect the electron beam by means of a magnetic force of the permanent magnet. The deflection unit includes a heat insulating member disposed at least between the permanent magnet and the housing. A thermal conductivity of the heat insulating member is lower than a thermal conductivity of the permanent magnet.
    Type: Application
    Filed: January 6, 2022
    Publication date: July 28, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Atsushi ISHII, Ginji SUGIURA, Akihito KOBAYASHI
  • Patent number: D960006
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: August 9, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tatsuo Dougakiuchi, Akio Ito, Masahiro Hitaka, Tadataka Edamura
  • Patent number: D960007
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: August 9, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tatsuo Dougakiuchi, Akio Ito, Masahiro Hitaka, Tadataka Edamura
  • Patent number: D960008
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: August 9, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tatsuo Dougakiuchi, Akio Ito, Masahiro Hitaka, Tadataka Edamura
  • Patent number: D960009
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: August 9, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tatsuo Dougakiuchi, Akio Ito, Masahiro Hitaka, Tadataka Edamura
  • Patent number: D960389
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: August 9, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Toyohiko Yamauchi, Hidenao Yamada