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公开(公告)号：US12165843B2
公开(公告)日：2024-12-10
申请号：US17981282
申请日：2022-11-04
Applicant: Applied Materials, Inc.
Inventor： David Coumou , Nathan Ransom , Priya Gambhire , Jeremy Zuch , Senthil Kumar Vadivelu
Abstract: Embodiments disclosed herein include a method for field adjusting calibrating factors of a plurality of RF impedance matches for control of a plurality of plasma chambers. In an embodiment, the method comprises collecting and storing in a memory data from operation of the plurality of RF impedance matches, and finding a tune space for each of the plurality of RF impedance matches from the collected data. In an embodiment, the method further comprises finding adjustments to account for variability in each of the plurality of RF impedance matches, finding adjustments to variable tuning elements of the plurality of RF impedance matches to account for time varying and process related load impedances, and the method further comprises obtaining operating windows for the variable tuning elements in the plurality of RF impedance matches.
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公开(公告)号：US20240110655A1
公开(公告)日：2024-04-04
申请号：US18536136
申请日：2023-12-11
Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
Inventor： Jonathan MALTZ , Johannes STAHL
CPC classification number: F16L51/00 , A61B6/44 , A61B6/54 , F16L51/02 , G01T1/185 , G05D16/2013 , G05D16/2066 , H01J47/02 , G01T1/02
Abstract: A system for equalizing a pressure in an ionization chamber of a radiation device is provided. The system may include the ionization chamber including: a chamber housing including one or more chamber walls; a chamber volume inside the chamber housing, the chamber volume being filled with a radiation sensitive material; and a pressure adjustment apparatus operably coupled to the chamber volume via at least one wall of the one or more chamber walls, the pressure adjustment apparatus being configured to equalize a first pressure of the radiation sensitive material inside the chamber volume and a second pressure of ambient air outside the chamber housing.
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公开(公告)号：US11894223B2
公开(公告)日：2024-02-06
申请号：US18026368
申请日：2021-09-03
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Tsuyoshi Kodama , Masaki Yamada , Shinichi Hara , Naoki Umebayashi
Abstract: A photoelectric tube includes a housing including a light transmitting portion, an electron emitting portion held by a recess provided in the housing, the electron emitting portion including a concave photoelectric surface facing a light transmitting portion side inside the housing, and an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing. At least a part of the electron capturing portion is located inside a region on an inside of the photoelectric surface.
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公开(公告)号：US11640006B2
公开(公告)日：2023-05-02
申请号：US17402531
申请日：2021-08-14
Applicant: Faiyaz Mohammadbaghery , Shahyar Saramad , Mojtaba Shamsaiezafarghandi
Inventor： Faiyaz Mohammadbaghery , Shahyar Saramad , Mojtaba Shamsaiezafarghandi
Abstract: A system for detecting a position of an ionizing radiation. The system includes a radiation detector including a plurality of cathode films, a plurality of anode strips sets, a plurality of insulator films, a conductive grid, and a drift region. Each set of the plurality of anode strips sets is disposed between a respective pair of adjacent cathode films of the plurality of cathode films. Each of the plurality of insulator films is disposed between a respective cathode film of the plurality of cathode films and a respective set of the plurality of anode strips sets. The conductive grid is disposed in parallel with the detection plane and exposed to the ionizing radiation. A drift region includes a region between the conductive grid and the detection plane. The radiation detector is configured to ionize a gas by generating an electric field inside the drift region.
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公开(公告)号：US11385360B2
公开(公告)日：2022-07-12
申请号：US15578743
申请日：2016-06-03
Applicant: University Health Network
Abstract: Various embodiments are described herein for sensors that may be used to measure radiation from radiation generating device. The sensors may use a collector plate electrode with first and second collection regions having shapes that are inversely related with one another to provide ion chambers with varying sample volumes along a substantial portion of the first and second collection regions which provides virtual spatial sensitivity during use.
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Patent Agency Ranking
公开(公告)号：US11287397B2
公开(公告)日：2022-03-29
申请号：US16485273
申请日：2018-02-13
Inventor： Imad Laktineh
Abstract: This gaseous elementary-particle detector is equipped with a readout plate comprising: conductive tiles (80) that are all identical to one another and all located at the same distance from an exterior face (39), these conductive tiles being distributed over the front face of a dielectric layer (72) and being mechanically separated from one another by a dielectric material (76), the smallest dimension of each tile being larger than 300 μm, and electrical connections (88), which are located under the dielectric layer (72) and which electrically connect the conductive tiles in series so as to form conductive strips, these electrical connections being arranged so that each conductive tile belongs to a single conductive strip and each side of one tile is adjacent to the side of another tile belonging to another conductive strip.
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公开(公告)号：US11125896B2
公开(公告)日：2021-09-21
申请号：US16801147
申请日：2020-02-26
Applicant: SILVERSIDE DETECTORS INC.
Inventor： Andrew Inglis , Alison Forsyth , Thomas Nadovich , Timothy Teal , Philip Taber , Hidefumi Tomita
Abstract: A narrow thermal neutron detector includes a slidably receivable ionization thermal neutron detector module within an overall housing body. An active sheet layer of the ionization thermal neutron detector module can be tensioned across its width. The ionization thermal neutron detector module can include module upper major surface extents and module lower surface extents such that, when installed within the housing body, the module upper major surface extents are in a first spaced apart confronting relationship with housing upper major surface extents to define a first clearance and module lower major surface extents are in a second spaced apart confronting relationship with housing lower major surface extents to define a second clearance to accommodate housing flexing due to ambient pressure change. The housing body can be formed with a single opening for receiving the ionization thermal neutron detection module or with opposing first and second opposing end openings.
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公开(公告)号：US20200096653A1
公开(公告)日：2020-03-26
申请号：US16615977
申请日：2017-06-20
Applicant: HEIKKI SIPILA OY
Inventor： Heikki Johannes SIPILA
Abstract: The invention relates to a gas drift detector (100) comprising: a chamber formed by: a housing (102) having a first end and a second end; a radiation window (104) arranged to cover an opening of the first end of the housing (102); and a substrate (106) arranged to cover an opening of the second end of the housing (102), an anode (110) arranged to the substrate (106), one or more conductive rings (108) arranged on a surface (106a) of the substrate facing inside the chamber, and an amplifier (112) arranged to the opposite surface (106b) of the substrate than the conductive rings (108). The amplifier (112) is electrically connected to the anode (110). The chamber is filled with a gas.
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公开(公告)号：US10559390B2
公开(公告)日：2020-02-11
申请号：US16125061
申请日：2018-09-07
Applicant: THE GOVERNORS OF THE UNIVERSITY OF ALBERTA
Inventor： Hans-Sonke Friedrich Jans
Abstract: A system and method for cross-calibrating a radionuclide at two separate locations (A and B) includes the use of a portable ion chamber configured to fit within a dose calibrator, which ion chamber receives a syringe containing a known volume of a sample of a radionuclide. The portable ion chamber and dose calibrator with the syringe is transported to another location, where a second syringe, identical to the first containing a second sample of the same volume of the same radionuclide is measured in a second dose calibrator.
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公开(公告)号：US10545248B2
公开(公告)日：2020-01-28
申请号：US14815750
申请日：2015-07-31
Applicant: Mirion Technologies Inc.
Inventor： Jukka Kahilainen , Thomas Logan
IPC: G01T1/02 , G01T1/185 , G01T1/24 , G01T1/14 , H01J47/00 , H01J47/02 , G01T3/08 , G01T7/00 , H05K5/02 , G01T3/00
Abstract: A direct ion storage (DIS) radiation detector or dosimeter has a design that is easy and low cost to manufacture using semiconductor processing techniques. The detectors include internal communications interfaces so they are easy to read. Different interfaces, including wired, e.g. USB ports, and wireless interfaces, may be used, so that the dosimeters may be read over the internet. The detectors can thus be deployed or used in a variety of detection systems and screening methods, including periodic or single time screening of people, objects, or containers at a location by means of affixed dosimeters; screening of objects, containers or people at a series of locations by means of affixed dosimeters, and surveillance of an area by monitoring moving dosimeters affixed to people or vehicles.
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