EP4024435A4 - Dispositif source de rayons x et son procédé de commande - Google Patents

Dispositif source de rayons x et son procédé de commande Download PDF

Info

Publication number
EP4024435A4
EP4024435A4 EP19943133.9A EP19943133A EP4024435A4 EP 4024435 A4 EP4024435 A4 EP 4024435A4 EP 19943133 A EP19943133 A EP 19943133A EP 4024435 A4 EP4024435 A4 EP 4024435A4
Authority
EP
European Patent Office
Prior art keywords
control method
source device
ray source
ray
control
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
EP19943133.9A
Other languages
German (de)
English (en)
Other versions
EP4024435A1 (fr
Inventor
Cheol Jin Lee
Sang Heon Lee
Jun Soo Han
Han Bin Go
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.)
Korea University Research and Business Foundation
Original Assignee
Korea University Research and Business Foundation
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 Korea University Research and Business Foundation filed Critical Korea University Research and Business Foundation
Publication of EP4024435A1 publication Critical patent/EP4024435A1/fr
Publication of EP4024435A4 publication Critical patent/EP4024435A4/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01J1/02—Main electrodes
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/304—Field-emissive cathodes
    • H01J1/3042—Field-emissive cathodes microengineered, e.g. Spindt-type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/045—Electrodes for controlling the current of the cathode ray, e.g. control grids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06—Cathodes
    • H01J35/065—Field emission, photo emission or secondary emission cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
    • H01J9/025—Manufacture of electrodes or electrode systems of cold cathodes of field emission cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/30—Cold cathodes
    • H01J2201/304—Field emission cathodes
    • H01J2201/30446—Field emission cathodes characterised by the emitter material
    • H01J2201/30453—Carbon types
    • H01J2201/30469—Carbon nanotubes (CNTs)
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/06—Cathode assembly
    • H01J2235/062—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/06—Cathode assembly
    • H01J2235/068—Multi-cathode assembly

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • X-Ray Techniques (AREA)
EP19943133.9A 2019-08-28 2019-08-28 Dispositif source de rayons x et son procédé de commande Pending EP4024435A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2019/010970 WO2021040079A1 (fr) 2019-08-28 2019-08-28 Dispositif source de rayons x et son procédé de commande

Publications (2)

Publication Number Publication Date
EP4024435A1 EP4024435A1 (fr) 2022-07-06
EP4024435A4 true EP4024435A4 (fr) 2023-08-09

Family

ID=74685232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19943133.9A Pending EP4024435A4 (fr) 2019-08-28 2019-08-28 Dispositif source de rayons x et son procédé de commande

Country Status (4)

Country Link
EP (1) EP4024435A4 (fr)
JP (1) JP7407476B2 (fr)
CN (1) CN114303220A (fr)
WO (1) WO2021040079A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025526004A (ja) * 2022-08-10 2025-08-07 エックス－サイト インコーポレイテッド フィールドエミッタｘ線源の信頼性のための設計
CN119208113A (zh) * 2024-12-02 2024-12-27 上海超群检测科技股份有限公司 一种栅极分组调控发射体的场发射x射线管

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7220971B1 (en) * 2004-12-29 2007-05-22 The University Of North Carolina At Chapel Hill Multi-pixel electron microbeam irradiator systems and methods for selectively irradiating predetermined locations
WO2015175765A1 (fr) * 2014-05-15 2015-11-19 Elwha Llc Applications de grilles de graphène dans des dispositifs électroniques sous vide
US20170084417A1 (en) * 2014-05-13 2017-03-23 Samsung Electronics Co., Ltd. Electron emitting device using graphene and method for manufacturing same
US20180158640A1 (en) * 2016-12-07 2018-06-07 Electronics And Telecommunications Research Institute Field emission apparatus
US20190088437A1 (en) * 2017-09-21 2019-03-21 Korea University Research And Business Foundation Carbon nanotube electron emitter, method of manufacturing the same and x-ray source using the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8102108B2 (en) * 2003-12-05 2012-01-24 Zhidan Li Tolt Low voltage electron source with self aligned gate apertures, fabrication method thereof, and devices using the electron source
JP4693884B2 (ja) * 2008-09-18 2011-06-01 キヤノン株式会社 マルチｘ線撮影装置及びその制御方法
KR101082678B1 (ko) * 2009-01-16 2011-11-15 고려대학교 산학협력단 탄소나노튜브 얀을 이용한 표면 전계전자 방출원 및 이에 이용되는 탄소나노튜브 얀 제조방법
KR20140106291A (ko) * 2013-02-26 2014-09-03 삼성전자주식회사 평판형 엑스선 발생기를 구비한 엑스선 영상 시스템, 엑스선 발생기 및 전자 방출소자
KR20150026363A (ko) * 2013-09-02 2015-03-11 삼성전자주식회사 전계 방출 소자 및 전계 방출 소자의 게이트 전극의 제조 방법
KR101892525B1 (ko) * 2014-07-03 2018-10-04 (주)바텍이우홀딩스 휴대용 엑스선 촬영 장치
WO2019156729A2 (fr) * 2018-01-19 2019-08-15 Florida State University Research Foundation, Inc. Batterie au lithium utilisant du polysulfure de lithium en tant que matériau actif de cathode

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7220971B1 (en) * 2004-12-29 2007-05-22 The University Of North Carolina At Chapel Hill Multi-pixel electron microbeam irradiator systems and methods for selectively irradiating predetermined locations
US20170084417A1 (en) * 2014-05-13 2017-03-23 Samsung Electronics Co., Ltd. Electron emitting device using graphene and method for manufacturing same
WO2015175765A1 (fr) * 2014-05-15 2015-11-19 Elwha Llc Applications de grilles de graphène dans des dispositifs électroniques sous vide
US20180158640A1 (en) * 2016-12-07 2018-06-07 Electronics And Telecommunications Research Institute Field emission apparatus
US20190088437A1 (en) * 2017-09-21 2019-03-21 Korea University Research And Business Foundation Carbon nanotube electron emitter, method of manufacturing the same and x-ray source using the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021040079A1 *

Also Published As

Publication number Publication date
EP4024435A1 (fr) 2022-07-06
JP2022545826A (ja) 2022-10-31
CN114303220A (zh) 2022-04-08
WO2021040079A1 (fr) 2021-03-04
JP7407476B2 (ja) 2024-01-04

Similar Documents

Publication Publication Date Title
EP3974271A4 (fr) Dispositif de fourniture de trajet et procédé de fourniture de trajet associé
EP3879915A4 (fr) Dispositif et procédé de configuration destiné à un canal de commande de rétroaction
CA3288282A1 (en) Microcurrent-stimulation-therapy apparatus and method
EP3623906A4 (fr) Procédé, équipement et dispositif de commande pour processeur
EP3577300A4 (fr) Appareil comprenant un dispositif de commande et procédé d'utilisation de celui-ci
EP4067190A4 (fr) Procédé de commande de conduite et dispositif de commande de conduite
EP3864772A4 (fr) Procédé et appareil de commande de puissance
EP3785689A4 (fr) Dispositif de commande pour un appareil de massage et procédé associé
EP3633538B8 (fr) Appareil de commande de dispositif
EP3624552A4 (fr) Procédé de commande de dispositif, et dispositif
EP3166498A4 (fr) Appareil d'imagerie à rayons x et son procédé de commande
EP3869112A4 (fr) Procédé de commande de dispositif de climatisation et dispositif de climatisation
EP3862875A4 (fr) Procédé et dispositif d'interaction
EP3876633A4 (fr) Procédé de commande pour une porteuse divisée et dispositif associé
EP3845957A4 (fr) Dispositif de commande de lumière et son procédé de production
EP3977936A4 (fr) Dispositif d'imagerie radiographique et procédé d'imagerie radiographique
EP3783496A4 (fr) Système et procédé de commande d'appareil
EP3628228B8 (fr) Appareil de mammographie et procédé de fonctionnement d'appareil de mammographie
EP3974168A4 (fr) Procédé de fabrication de sacs et dispositif de fabrication de sacs
EP3586755B8 (fr) Appareil et procédé de commande d'équipement médical
EP3814963A4 (fr) Procédé et appareil d'attestation
EP4083715A4 (fr) Appareil de commande, dispositif de traitement d'informations et programme de commande de dispositif de traitement d'informations
ES3066515T3 (en) Machining device, control device used thereby, and machining device control method
EP4043283A4 (fr) Procédé de commande et dispositif associé
EP4033313A4 (fr) Dispositif de commande et procédé de commande

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220225

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: H01J 35/04 20060101ALI20230330BHEP

Ipc: H01J 1/304 20060101ALI20230330BHEP

Ipc: H01J 9/02 20060101ALI20230330BHEP

Ipc: H01J 35/06 20060101ALI20230330BHEP

Ipc: H01J 35/14 20060101ALI20230330BHEP

Ipc: H01J 35/02 20060101AFI20230330BHEP

A4 Supplementary search report drawn up and despatched

Effective date: 20230712

RIC1 Information provided on ipc code assigned before grant

Ipc: H01J 35/04 20060101ALI20230706BHEP

Ipc: H01J 1/304 20060101ALI20230706BHEP

Ipc: H01J 9/02 20060101ALI20230706BHEP

Ipc: H01J 35/06 20060101ALI20230706BHEP

Ipc: H01J 35/14 20060101ALI20230706BHEP

Ipc: H01J 35/02 20060101AFI20230706BHEP