WO2024143203A1 - Ｒｉ製造装置 - Google Patents

Ｒｉ製造装置 Download PDF

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Publication number
WO2024143203A1
WO2024143203A1 PCT/JP2023/046174 JP2023046174W WO2024143203A1 WO 2024143203 A1 WO2024143203 A1 WO 2024143203A1 JP 2023046174 W JP2023046174 W JP 2023046174W WO 2024143203 A1 WO2024143203 A1 WO 2024143203A1
Authority
WO
WIPO (PCT)
Prior art keywords
target
manufacturing apparatus
accelerator
attachment
holding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2023/046174
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
勝彦 齊藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Priority to JP2024567742A priority Critical patent/JPWO2024143203A1/ja
Priority to CN202380082858.4A priority patent/CN120303748A/zh
Publication of WO2024143203A1 publication Critical patent/WO2024143203A1/ja
Priority to US19/244,417 priority patent/US20250316403A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K5/00—Irradiation devices
    • G21K5/08—Holders for targets or for other objects to be irradiated
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
    • G21G1/00—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes
    • G21G1/04—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes outside nuclear reactors or particle accelerators
    • G21G1/10—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes outside nuclear reactors or particle accelerators by bombardment with electrically charged particles

Definitions

  • the present invention aims to provide an RI production device that improves the reliability of the amount of radioisotope produced.
  • the RI manufacturing apparatus 1 is provided with a target attachment/detachment device 10.
  • the RI manufacturing apparatus 1 may be provided with a target attachment/detachment device 110 (FIG. 12) instead of the target attachment/detachment device 10.
  • the target attachment/detachment device 10, 110 is attached to the main body 100a of the cyclotron 100 via a mounting base 64 (fixing device). More specifically, the base end of the mounting base 64 is fixed to the opening 102 of the fixed yoke of the electromagnet of the cyclotron 100 in the main body 100a of the cyclotron 100.
  • the target attachment/detachment device 10, 110 is cantilevered to the main body 110a via the mounting base 64.
  • the target attachment/detachment device 10, 110 has the function of holding a plurality of targets 60 and selectively attaching and detaching the held targets 60 to the lead-out section 104.
  • target attachment/detachment devices equipped in the RI manufacturing apparatus 1 the target attachment/detachment device 10 (FIG. 1) according to the first embodiment and the target attachment/detachment device 110 (FIG. 12) according to the second embodiment will be described below.
  • the base plate 12 has a rectangular shape, and one corner is cut out to form a mounting portion 24 for mounting the target attachment/detachment device 10 to the cyclotron 100.
  • a pair of guide rods 26 are provided in parallel on the upper surface of the base plate 12 in the short direction.
  • a first air cylinder (second drive unit) 18 is attached to the front side of the base plate 12 between the pair of guide rods 26 via a substantially L-shaped bracket 28.
  • the drive shaft 18a of the first air cylinder 18 can advance and retreat in the direction in which the guide rod 26 extends.
  • the advance and retreat direction of the drive shaft 18a of the first air cylinder 18 is referred to as the X direction (second direction).
  • a pair of microswitches 30 are provided on the upper surface of the base plate 12 at a predetermined interval in the X direction. The microswitches 30 are for detecting the position of the guide plate 14 in the X direction, which will be described later.
  • the guide plate 14 is an annular member having an oval opening, and has upper and lower frame bodies 32, 34 extending in the long axis direction of the opening, and left and right frame bodies extending in the short axis direction.
  • the long axis direction of the opening of the guide plate 14 is the Y direction (first direction).
  • the central parts of the upper and lower frame bodies 32, 34 are provided with protrusions 36, 38 that protrude forward.
  • the lower surface of the protrusion 36 of the upper frame body 32 is provided with a guide groove 40 that extends in the Y direction.
  • the upper surface of the protrusion 38 of the lower frame body 34 is provided with a guide groove 42 that extends in the Y direction to correspond to the guide groove 40 of the upper frame body 32.
  • the slide plate 16, which will be described later, is fitted into this pair of guide grooves 40, 42 and slid in the Y direction.
  • the protruding portion 38 of the lower frame 34 has a pair of through holes 44 that penetrate the front and rear surfaces. The distance between the pair of through holes 44 is equal to the distance between the pair of guide rods 26 on the base plate 12.
  • a recess 46 is provided on the front surface of the protruding portion 38 of the lower frame 34 between the pair of through holes 44 for connecting the tip end of the drive shaft 18a of the first air cylinder 18.
  • a substantially L-shaped bracket 50 is provided on the underside of the guide plate 14, and a third air cylinder (first drive unit, linear drive mechanism) 22 is provided on this bracket 50 via an attachment plate 52.
  • the drive shaft 22a of the third air cylinder 22 can advance and retreat in the Y direction.
  • the drive shaft 20a of the second air cylinder 20 and the drive shaft 22a of the third air cylinder 22 advance and retreat in the same direction.
  • the stroke of the third air cylinder 22 is equal to twice the length of the pitch of the holding portion 48 of the slide plate 16 described below, and is, for example, 140 mm.
  • the left edge of the slide plate 16 is provided with an upper abutment piece 67 extending upward and a lower abutment piece 62 extending downward.
  • the tip of the third air cylinder 22 is connected and fixed to the side of the lower abutment piece 62.
  • the tip of the second air cylinder 20 can abut against the side of the upper abutment piece 67.
  • the upper abutment piece 67 and the tip of the second air cylinder 20 are not connected and fixed to each other.
  • An abutter 61 is also provided on the left front surface of the slide plate 16. As shown in FIG. 6, the abutter 61 abuts against the microswitch 58 on the sensor mounting plate 56, thereby detecting the position of the slide plate 16 in the Y direction.
  • the slide plate 16 is fitted into guide grooves 40, 42 provided in the protruding portions 36, 38 of the guide plate 14, and is slid in the Y direction by the second and third air cylinders 20, 22.
  • the guide plate 14 with the slide plate 16 fitted in is then attached to the base plate 12 shown in FIG. 2. More specifically, a pair of guide rods 26 on the base plate 12 are inserted into a pair of through holes 44 formed in the protruding portion 38 of the lower frame 34 of the guide plate 14, and the tip of the drive shaft 18a of the first air cylinder 18 is connected and fixed to the recess 46.
  • the guide plate 14 is displaced in the X direction by advancing and retracting the drive shaft 18a of the first air cylinder 18.
  • the mounting base 64 has a mounting base 64 that is attached to the opening 102 of the fixed yoke of the electromagnet of the cyclotron 100, and an adjustment plate 66.
  • the mounting base 64 is a member with a roughly V-shaped cross section, and one side is fixed to the opening 102 of the fixed yoke.
  • the adjustment plate 66 is a member with a rectangular outer shape, and is attached so that the mounting portion 24 of the base plate 12 is perpendicular to its surface. The adjustment plate 66 is then screwed to the other side of the mounting base 64. In this way, the target attachment/detachment device 10 is attached to the opening 102 of the fixed yoke.
  • the guide plate 14 into which the slide plate 16 that holds the target 60 is fitted is displaced and positioned in the X direction by the advancement and retreat of the drive shaft 18a of the first air cylinder 18. At this time, the position of the guide plate 14 in the X direction is detected by the detection pin 54 coming into contact with the microswitch 30 provided on the base plate 12.
  • the drive shaft 18a of the first air cylinder 18 is retracted to release the target 60 from the lead-out portion 104. Then, as shown in FIG. 9, after the desired target 60 is placed in front of the lead-out portion 104, the drive shaft 18a of the first air cylinder 18 is extended to attach a new target 60 to the lead-out portion 104.
  • the replacement of the target 60 is automated by the driving force of the first to third air cylinders 18, 20, and 22, thereby improving the efficiency of target replacement.
  • the circular holes 48 for holding the targets 60 are arranged in parallel in the Y direction, and the slide plate 16 is displaced in the Y direction by the second and third air cylinders 20 and 22, while the guide plate 14 is displaced in the X direction perpendicular to the Y direction by the first air cylinder 18, so that multiple targets 60 can be replaced with a compact configuration.
  • FIG. 12 is a perspective view showing the configuration of a target attachment/detachment device 110 according to the second embodiment.
  • the target attachment/detachment device 110 includes a base plate 112, a first slide plate 114, a second slide plate 116, a first air cylinder 118, a second air cylinder 120, and a third air cylinder 122.
  • the base plate 112 is a member that serves as a base for mounting the first and second slide plates 114, 116.
  • a guide rail 124 extending in a predetermined direction is provided on the upper surface of the base plate 112.
  • the extension direction of this guide rail 124 is conveniently referred to as the X direction (second direction).
  • a detection pin 126 for detecting the X-directional position of the first slide plate 114 (described later) is provided on the left side surface of the base plate 112 extending along the X direction.
  • a recess 128 for connecting and fixing the tip of the drive shaft 118a of the first air cylinder 118 (described later) is provided on the front side surface of the base plate 112 perpendicular to the X direction.
  • This base plate 112 is connected perpendicularly to a fixing plate 130 for mounting and fixing the target attachment/detachment device 110 to the cyclotron 100.
  • a third air cylinder (first drive unit, engagement member) 122 is mounted on the upper surface of the upper floor 132.
  • the drive shaft 122a of the third air cylinder 122 can advance and retreat in a direction perpendicular to the Y direction.
  • a detection unit 122b is provided at the rear end of the drive shaft 122a of the third air cylinder 122 for detecting the position of the drive shaft 122a in a direction perpendicular to the Y direction.
  • a mounting plate 140 extending in a direction perpendicular to the Y direction is attached to the upper surface of the third air cylinder 122.
  • a pair of micro switches 142 are attached at a predetermined interval to the lower surface of this mounting plate 140.
  • the tip of the drive shaft 120a of the second air cylinder 120 is connected and fixed to the third air cylinder 122.
  • a recess 148 of a predetermined width is provided on the top surface of the upper floor portion 132, and a mounting plate 150 of half the predetermined width is fitted into this recess 148.
  • the mounting plate 150 can slide in the Y direction within the recess 148, and the third air cylinder 122 is mounted on this mounting plate 150. Therefore, the third air cylinder 122 is displaced by a predetermined stroke in the Y direction by moving the drive shaft 120a of the second air cylinder 120 back and forth.
  • This predetermined stroke is set to be the same as the pitch of the circular holes 152 for attaching the targets 60 of the second slide plate 116 described later.
  • targets for R&D purposes can be handled together with targets for RI manufacturing purposes, which results in the promotion of R&D.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Particle Accelerators (AREA)
PCT/JP2023/046174 2022-12-26 2023-12-22 Ｒｉ製造装置 Ceased WO2024143203A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2024567742A JPWO2024143203A1 (https=) 2022-12-26 2023-12-22
CN202380082858.4A CN120303748A (zh) 2022-12-26 2023-12-22 Ri制造装置
US19/244,417 US20250316403A1 (en) 2022-12-26 2025-06-20 Ri manufacturing apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022208070 2022-12-26
JP2022-208070 2022-12-26

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US19/244,417 Continuation US20250316403A1 (en) 2022-12-26 2025-06-20 Ri manufacturing apparatus

Publications (1)

Publication Number Publication Date
WO2024143203A1 true WO2024143203A1 (ja) 2024-07-04

Family

ID=91717661

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/046174 Ceased WO2024143203A1 (ja) 2022-12-26 2023-12-22 Ｒｉ製造装置

Country Status (4)

Country Link
US (1) US20250316403A1 (https=)
JP (1) JPWO2024143203A1 (https=)
CN (1) CN120303748A (https=)
WO (1) WO2024143203A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57142600A (en) * 1981-02-28 1982-09-03 Japan Steel Works Ltd Target device
JP2000105300A (ja) * 1998-09-29 2000-04-11 Sumitomo Heavy Ind Ltd タ―ゲット着脱装置
JP2005024466A (ja) * 2003-07-04 2005-01-27 Sumitomo Heavy Ind Ltd ターゲット着脱装置
JP2007047096A (ja) * 2005-08-12 2007-02-22 Hitachi Ltd 放射性同位元素製造装置、及びその据付方法
JP2018524589A (ja) * 2015-06-30 2018-08-30 ゼネラル・エレクトリック・カンパニイ 同位体生成用の生成組立体および取り外し可能なターゲット組立体
JP2018190711A (ja) * 2017-05-04 2018-11-29 ゼネラル・エレクトリック・カンパニイ ターゲットアセンブリの生成チャンバ内の固体ターゲットを作製するためのシステムおよび方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57142600A (en) * 1981-02-28 1982-09-03 Japan Steel Works Ltd Target device
JP2000105300A (ja) * 1998-09-29 2000-04-11 Sumitomo Heavy Ind Ltd タ―ゲット着脱装置
JP2005024466A (ja) * 2003-07-04 2005-01-27 Sumitomo Heavy Ind Ltd ターゲット着脱装置
JP2007047096A (ja) * 2005-08-12 2007-02-22 Hitachi Ltd 放射性同位元素製造装置、及びその据付方法
JP2018524589A (ja) * 2015-06-30 2018-08-30 ゼネラル・エレクトリック・カンパニイ 同位体生成用の生成組立体および取り外し可能なターゲット組立体
JP2018190711A (ja) * 2017-05-04 2018-11-29 ゼネラル・エレクトリック・カンパニイ ターゲットアセンブリの生成チャンバ内の固体ターゲットを作製するためのシステムおよび方法

Also Published As

Publication number Publication date
JPWO2024143203A1 (https=) 2024-07-04
CN120303748A (zh) 2025-07-11
US20250316403A1 (en) 2025-10-09

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