Patents Assigned to Hamamatsu Photonics, K. K.
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Publication number: 20240094526Abstract: In a mirror unit, a first wall portion is higher than a second wall portion. A window member is disposed on a top surface of the first wall portion and a top surface of the second wall portion and is inclined with respect to a mirror surface. When any one of first to fourth wall portions is set as a first reference wall portion, in a cross-section perpendicular to the first reference wall portion, a first line passing through a first end at a side of the first reference wall portion in the mirror surface and a first corner portion formed at the side of the first reference wall portion by an outer surface and a first side surface in the window member intersects the first wall portion. A wiring portion includes a portion extending inside a base and leads outside a frame member.Type: ApplicationFiled: December 1, 2023Publication date: March 21, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Daiki SUZUKI, Tomoyuki IDE, Yuki MORINAGA
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Publication number: 20240094087Abstract: In a measurement method, light inputs with the same center wavelength and different properties are performed on a light transmission medium, and a measured value of an intensity spectrum of each of light outputs is acquired. An error between the measured value and an estimated value of the intensity spectrum calculated based on a theoretical relation between an intensity spectrum and a phase spectrum of each of the light inputs, a nonlinear coefficient and a wavelength dispersion value of the light transmission medium, and the intensity spectrum of each of the light outputs is calculated while changing the nonlinear coefficient and the wavelength dispersion value. Further, the nonlinear coefficient and the wavelength dispersion value are determined based on a difference, in a relation between the nonlinear coefficient and the wavelength dispersion value and the error, between the light inputs.Type: ApplicationFiled: November 19, 2020Publication date: March 21, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Koji TAKAHASHI, Ryu NIIGAKI
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Patent number: 11935733Abstract: 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 reinforcement member disposed inside a part of the plurality of through holes.Type: GrantFiled: October 3, 2022Date of Patent: March 19, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Miu Takimoto, Takayuki Ohmura, Masahiro Kotani
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Publication number: 20240082959Abstract: A laser processing apparatus includes a support unit that supports a wafer including a plurality of functional elements disposed adjacent to each other via a street, an irradiation unit that irradiates the street with laser light, and a control unit that controls the irradiation unit based on information about the streets so that a first region and a second region of the street are simultaneously irradiated with the laser light, and a power of the laser light for removing a surface layer of the street in the first region is higher than a power for removing the surface layer of the street in the first region. The information about the street includes information that a processing threshold value indicating a difficulty of laser processing in the first region is lower than a processing threshold value in the second region.Type: ApplicationFiled: December 20, 2021Publication date: March 14, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Yo SUGIMOTO, Takeshi SAKAMOTO, Takafumi OGIWARA, Naoki UCHIYAMA, Takashi KURITA, Ryo YOSHIMURA
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Publication number: 20240082834Abstract: A biological sample holding container includes: a container main body having a bottom surface portion having a placement region for a biological sample and a side surface portion provided on the bottom surface portion so as to surround the placement region; and an annular holding member insertable and removable inside the side surface portion. The holding member holds a film covering the biological sample on the placement region with the bottom surface portion by being inserted inside the side surface portion together with the film.Type: ApplicationFiled: July 16, 2020Publication date: March 14, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kazumasa HIRAWAKE, Takahiro MURAKOSHI, Takahiro SHIKAYAMA, Takayuki SATO
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Patent number: 11927626Abstract: In an inspection device, the reference signal output section is connected to an external power supply device in electrical parallel with a semiconductor sample, and outputs a reference signal according to the output of the external power supply device. The removal processing section performs, based on the reference signal, processing for removing a noise component, which is due to the output of the external power supply device from the current signal output from the semiconductor sample and outputs a processing signal. The electrical characteristic measurement section measures the electrical characteristics of the semiconductor sample based on the processing signal. The processing signal is subjected to the removal processing performed based on the reference signal from the reference signal output section for which the value of the gain has been set by the gain setting section.Type: GrantFiled: August 27, 2020Date of Patent: March 12, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventor: Toshiki Yamada
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Patent number: 11929378Abstract: A light detection device includes: a back-illuminated light receiving element; a circuit element; a connection member; an underfill; and a light shielding mask. The light shielding mask includes a frame having an opening and a light shielding layer formed on an inner surface of the opening. A first opening edge on the side of the circuit element in the opening is located at the outside of an outer edge of the light receiving element. A second opening edge opposite to the circuit element in the opening is located at the inside of the outer edge of the light receiving element. The opening is narrowed from the first opening edge toward the second opening edge. A width of the frame increases from the first opening edge toward the second opening edge. The underfill reaches a gap between the light receiving element and the light shielding layer.Type: GrantFiled: March 13, 2023Date of Patent: March 12, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Nao Inoue, Ryosuke Koike, Haruyuki Nakayama
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Patent number: 11929245Abstract: A sample support body for ionization of a sample, including: a substrate having a first surface, a second surface on a side opposite to the first surface, and a plurality of through-holes opening on each of the first surface and the second surface; a conductive layer provided on the first surface; and a matrix crystal layer provided on at least one of the conductive layer and the second surface, in which the matrix crystal layer is formed of a plurality of matrix crystal grains so as to include a gap communicating the plurality of through-holes with an outside.Type: GrantFiled: January 23, 2020Date of Patent: March 12, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Masahiro Kotani, Takayuki Ohmura, Akira Tashiro
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Patent number: 11927478Abstract: In a light detection device, the light detection unit includes an APD, a plurality of temperature compensation diodes, and a terminal electrically connecting the APD and the plurality of temperature compensation diodes in parallel with each other. The plurality of temperature compensation diodes is configured to provide temperature compensation for the gain of the APD. The light detection unit has a light detection region and temperature detection regions. The APD is provided in the light detection region. The temperature detection regions are located around the light detection region. The plurality of temperature compensation diodes are provided in the temperature detection regions. The light detection region is interposed between the temperature detection region and the temperature detection region.Type: GrantFiled: November 29, 2019Date of Patent: March 12, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventor: Hironori Sonobe
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Publication number: 20240077360Abstract: A spectroscopic measurement apparatus includes an optical system, a photodetector, and an analysis unit. The optical system guides measurement target light from an object to a light receiving surface of the photodetector, and forms a spectral image of the measurement target light on the light receiving. The photodetector includes the light receiving surface on which a plurality of pixels are arranged respectively on a plurality of rows. The photodetector receives the spectral image for a first exposure time by a plurality of pixels in a first region on the light receiving surface, and outputs first spectrum data. The photodetector receives the spectral image for a second exposure time by a plurality of pixels in a second region on the light receiving surface, and outputs second spectrum data. The second exposure time is longer than the first exposure time.Type: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kazuya IGUCHI, Hideki MASUOKA
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Patent number: 11921043Abstract: A fluorescence observation device is a device for performing fluorescence observation of a sample piece cut out from a sample including: a tray on which the sample piece is placed; a light source unit which generates excitation light to irradiate the sample piece; a detection unit which detects fluorescence from the sample piece; and an image generation unit which generates a fluorescence image of the sample piece based on a detection signal from the detection unit and the tray includes a plurality of placement regions provided around a center region of the tray and also includes a marker portion indicating a cutting orientation of the sample piece with respect to the sample.Type: GrantFiled: December 2, 2019Date of Patent: March 5, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Kazumasa Hirawake, Takahiro Murakoshi, Takahiro Shikayama, Takayuki Sato
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Patent number: 11925046Abstract: Provided is a light-emitting device including an organic light-emitting element and a control unit that controls the organic light-emitting element. The organic light-emitting element includes a first electrode, a second electrode, and an organic light-emitting layer which is disposed between the first electrode and the second electrode and in which separation of charges occurs due to incidence of excited light. The control unit changes a potential difference between the first electrode and the second electrode so that recoupling of the charges occurs, in a second period after passage of a delay period from a first period in which the excited light is incident to the organic light-emitting layer.Type: GrantFiled: July 29, 2020Date of Patent: March 5, 2024Assignees: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, HAMAMATSU PHOTONICS K.K.Inventors: Chihaya Adachi, Hajime Nakanotani, Takahiko Yamanaka, Shigeo Hara, Toru Hirohata
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Patent number: 11921245Abstract: A photon counting device includes a plurality of pixels each including a photoelectric conversion element configured to convert input light to charge, and an amplifier configured to amplify the charge converted by the photoelectric conversion element and convert the charge to a voltage, an A/D converter configured to convert the voltages output from the amplifiers of the plurality of pixels to digital values; and a conversion unit configured to convert the digital value output from the A/D converter to the number of photons by referring to reference data, for each of the plurality of pixels, and the reference data is created based on a gain and an offset value for each of the plurality of pixels.Type: GrantFiled: April 12, 2023Date of Patent: March 5, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Tadashi Maruno, Eiji Toda, Mao Nakajima, Teruo Takahashi, Takafumi Higuchi
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Patent number: 11923655Abstract: The present embodiment relates to a light emission device capable of removing zero-order light from output light of an S-iPM laser. The light emission device comprises an active layer and a phase modulation layer. The phase modulation layer includes a base layer and a plurality of modified refractive index regions. In a state in which a virtual square lattice is set on the phase modulation layer, a center of gravity of each modified refractive index region is separated from a corresponding lattice point, and a rotation angle around each lattice point that decides a position of the center of gravity of each modified refractive index region is set according to a phase distribution for forming an optical image. A lattice spacing and an emission wavelength satisfy a condition of M-point oscillation in a reciprocal lattice space of the phase modulation layer.Type: GrantFiled: August 27, 2019Date of Patent: March 5, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Kazuyoshi Hirose, Yuu Takiguchi, Takahiro Sugiyama, Yoshitaka Kurosaka
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Patent number: 11921081Abstract: A smell sensor includes an ion sensor in which a sensing section provided with a sensitive film configured to change a potential in accordance with a state of a measurement target is formed on a semiconductor substrate; a substance adsorption film disposed on the sensitive film and configured to change the state with adsorption of a smell substance; and a reference electrode configured to apply a reference voltage to the substance adsorption film. The reference electrode is disposed to be separated from the sensitive film and not to overlap the sensing section when viewed in a thickness direction of the semiconductor substrate.Type: GrantFiled: May 27, 2019Date of Patent: March 5, 2024Assignees: HAMAMATSU PHOTONICS K.K., National University Corporation TOYOHASHI UNIVERSITY OF TECHNOLOGYInventors: Toshiki Wakamori, Shinichi Nakahigashi, Kazuaki Sawada
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Patent number: 11921277Abstract: An image acquisition device includes: a stage on which a sample is placed; a drive unit; a first irradiation optical system; a second irradiation optical system; a beam splitter; a pupil dividing element; a first imaging lens; a first imaging element; an analysis unit; a control unit; a second imaging lens; and a second imaging element, a first irradiation light irradiation range captured by the first irradiation optical system includes a second imaging region captured by the second imaging element, the second imaging region is located behind a first imaging region in a scanning direction, and the control unit controls a focus position of an objective lens based on focus information before capturing the second imaging region by the second imaging element.Type: GrantFiled: November 6, 2018Date of Patent: March 5, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventor: Satoshi Takimoto
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Patent number: 11920921Abstract: An orientation characteristic measurement system (1) includes an irradiation optical system (5), a detection optical system (11), a light detector (13), a rotation mechanism (9) changing an angle (?) between a surface of the sample and an optical axis (L2) of the detection optical system (11), and a computer (15), and the computer (15) includes a rotation mechanism control unit (32) controlling the rotation mechanism (9), a distribution acquisition unit (34) normalizing an angle-dependent distribution of light intensity to acquire an angle-dependent distribution of light intensity, an area specifying unit (35) specifying light intensity in a maximum area on the basis of the angle-dependent distribution of the light intensity, and a parameter calculation unit (36) calculating the orientation parameter (S) on the basis of a linear relationship determined using the film thickness and refractive index of the sample and the light intensity in the maximum area.Type: GrantFiled: November 2, 2021Date of Patent: March 5, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Kiyotada Hosokawa, Shigeru Eura
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Publication number: 20240068866Abstract: The spectrometer includes: a light source unit emitting a laser beam; a mirror unit including a first plane mirror having a first mirror surface and a second plane mirror having a second mirror surface, wherein a measurement target is introduced between the first mirror surface and the second mirror surface; and a light detector detecting the laser beam returned by multiple reflection between the first mirror surface and the second mirror surface. The first mirror surface and the second mirror surface are arranged non-parallel to each other when viewed from the Z-axis direction so as to form an optical path of the laser beam reciprocating in the Y-axis direction while performing multiple reflection between the first mirror surface and the second mirror surface. The optical path of the laser beam between the first mirror surface and the second mirror surface is inclined with respect to the Z-axis direction.Type: ApplicationFiled: August 24, 2023Publication date: February 29, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventor: Tatsuo DOUGAKIUCHI
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Publication number: 20240066893Abstract: An active energy irradiation device includes: a plurality of active energy irradiation units; a housing that houses the active energy irradiation units; an exhaust unit that is provided in the housing, and that discharges air to an outside of the housing; and an inert gas suction unit that suctions an inert gas outside the housing, and that allows the inert gas to flow into the housing, wherein an air flow path allowing the air to flow through, and an inert gas flow path allowing the inert gas to flow through are provided inside the housing, the air flow path and the inert gas flow path merge with each other, and the exhaust unit exhausts the inert gas together with the air.Type: ApplicationFiled: May 26, 2021Publication date: February 29, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kyoichi MURAYAMA, Keita UMENO
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Publication number: 20240069223Abstract: A radiation imaging device according to one embodiment comprises a radiation detection panel, a base substrate having a support surface configured to support the radiation detection panel, and a housing, wherein: the housing has a top wall and a bottom wall, the base substrate has a protruding portion which protrudes further outward than the radiation detection panel when seen in a direction orthogonal to the support surface, a first extending portion is provided to the support surface of the protruding portion, a second extending portion is provided to a back surface of the protruding portion, the second extending portion being disposed at a position which it faces the first extending portion with the protruding portion interposed therebetween, and the base substrate is supported on the top wall via the first extending portion and is supported on the bottom wall via the second extending portion.Type: ApplicationFiled: November 8, 2023Publication date: February 29, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Ryuji KYUSHIMA, Kazuki FUJITA, Junichi SAWADA, Takao ARITAKE, Minoru ICHIKAWA, Haruyoshi OKADA, Seiji FUKAMIZU, Shuhei NAMBA