EP4517797A4 - Electron tube - Google Patents

Electron tube

Info

Publication number
EP4517797A4
EP4517797A4 EP23927578.7A EP23927578A EP4517797A4 EP 4517797 A4 EP4517797 A4 EP 4517797A4 EP 23927578 A EP23927578 A EP 23927578A EP 4517797 A4 EP4517797 A4 EP 4517797A4
Authority
EP
European Patent Office
Prior art keywords
electron tube
electron
tube
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.)
Pending
Application number
EP23927578.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4517797A1 (en
Inventor
Takeru YAGI
Hiroyuki Watanabe
Yasumasa Hamana
Takamasa Ikeda
Terunori KAWAI
Kenta Kasuya
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.)
Hamamatsu Photonics KK
Original Assignee
Hamamatsu Photonics KK
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 Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Priority claimed from PCT/JP2023/040061 external-priority patent/WO2024189964A1/ja
Publication of EP4517797A1 publication Critical patent/EP4517797A1/en
Publication of EP4517797A4 publication Critical patent/EP4517797A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/18—Electrode arrangements using essentially more than one dynode
    • H01J43/26—Box dynodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/18—Electrode arrangements using essentially more than one dynode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/10—Dynodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/28—Vessels, e.g. wall of the tube; Windows; Screens; Suppressing undesired discharges or currents
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/88—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • H01J1/90—Insulation between electrodes or supports within the vacuum space
EP23927578.7A 2023-03-14 2023-11-07 Electron tube Pending EP4517797A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023039610 2023-03-14
PCT/JP2023/040061 WO2024189964A1 (ja) 2023-03-14 2023-11-07 電子管

Publications (2)

Publication Number Publication Date
EP4517797A1 EP4517797A1 (en) 2025-03-05
EP4517797A4 true EP4517797A4 (en) 2026-04-29

Family

ID=90096945

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23927578.7A Pending EP4517797A4 (en) 2023-03-14 2023-11-07 Electron tube

Country Status (4)

Country Link
US (1) US20260005005A1 (https=)
EP (1) EP4517797A4 (https=)
JP (1) JP7445098B1 (https=)
CN (1) CN120584397A (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150235825A1 (en) * 2012-09-05 2015-08-20 Hamamatsu Photonics K.K. Electron tube

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604545A (en) * 1980-07-28 1986-08-05 Rca Corporation Photomultiplier tube having a high resistance dynode support spacer anti-hysteresis pattern
JPH09259814A (ja) * 1996-03-27 1997-10-03 Murata Mfg Co Ltd 二次電子増倍装置
JP2000090875A (ja) * 1998-09-09 2000-03-31 Hamamatsu Photonics Kk 光電子増倍管
JP5789021B2 (ja) * 2014-04-02 2015-10-07 浜松ホトニクス株式会社 光電子増倍管
JP2018142462A (ja) * 2017-02-28 2018-09-13 京セラ株式会社 セラミック絶縁部材および電子管
JP6818815B1 (ja) * 2019-06-28 2021-01-20 浜松ホトニクス株式会社 電子管

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150235825A1 (en) * 2012-09-05 2015-08-20 Hamamatsu Photonics K.K. Electron tube

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
AARIK LAURI ET AL: "Mechanical properties of crystalline and amorphous aluminum oxide thin films grown by atomic layer deposition", SURFACE AND COATINGS TECHNOLOGY, vol. 438, 31 March 2022 (2022-03-31), NL, pages 128409, XP093379732, ISSN: 0257-8972, Retrieved from the Internet <URL:https://www.sciencedirect.com/science/article/pii/S0257897222003309> DOI: 10.1016/j.surfcoat.2022.128409 *
See also references of WO2024189964A1 *

Also Published As

Publication number Publication date
JPWO2024189964A1 (https=) 2024-09-19
CN120584397A (zh) 2025-09-02
EP4517797A1 (en) 2025-03-05
JP7445098B1 (ja) 2024-03-06
US20260005005A1 (en) 2026-01-01

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