KR101992745B1 - 구조적 안정성이 우수하고 전자 방출 효율이 향상된 이미터 및 이를 포함하는 x-선 튜브 - Google Patents

구조적 안정성이 우수하고 전자 방출 효율이 향상된 이미터 및 이를 포함하는 x-선 튜브 Download PDF

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KR101992745B1
KR101992745B1 KR1020190009430A KR20190009430A KR101992745B1 KR 101992745 B1 KR101992745 B1 KR 101992745B1 KR 1020190009430 A KR1020190009430 A KR 1020190009430A KR 20190009430 A KR20190009430 A KR 20190009430A KR 101992745 B1 KR101992745 B1 KR 101992745B1
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tube
emitter
conductive wire
height
carbon nanotube
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김세훈
정근수
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어썸레이 주식회사
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Priority to TW108124131A priority patent/TWI721488B/zh
Priority to PCT/KR2019/014069 priority patent/WO2020153579A1/en
Priority to JP2021542451A priority patent/JP7319492B2/ja
Priority to EP19911659.1A priority patent/EP3915129A4/en
Priority to CN201980090092.8A priority patent/CN113330532B/zh
Priority to US16/666,844 priority patent/US11600462B2/en
Priority to US17/889,787 priority patent/US11798773B2/en
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    • 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
    • H01J35/064—Details of the emitter, e.g. material or structure
    • 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
    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/34—Photoemissive electrodes
    • H01J2201/342—Cathodes
    • H01J2201/3421—Composition of the emitting surface
    • H01J2201/3425—Metals, metal alloys
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
KR1020190009430A 2019-01-24 2019-01-24 구조적 안정성이 우수하고 전자 방출 효율이 향상된 이미터 및 이를 포함하는 x-선 튜브 Active KR101992745B1 (ko)

Priority Applications (8)

Application Number Priority Date Filing Date Title
KR1020190009430A KR101992745B1 (ko) 2019-01-24 2019-01-24 구조적 안정성이 우수하고 전자 방출 효율이 향상된 이미터 및 이를 포함하는 x-선 튜브
TW108124131A TWI721488B (zh) 2019-01-24 2019-07-09 發射器及x 射線管
CN201980090092.8A CN113330532B (zh) 2019-01-24 2019-10-24 发射器和组成相同的x射线管
JP2021542451A JP7319492B2 (ja) 2019-01-24 2019-10-24 構造的安定性に優れ、電子放出効率が向上されたエミッタおよびこれを含むｘ－線管
PCT/KR2019/014069 WO2020153579A1 (en) 2019-01-24 2019-10-24 Emitter with excellent structural stability and enhanced efficiency of electron emission and x-ray tube comprising the same
EP19911659.1A EP3915129A4 (en) 2019-01-24 2019-10-24 TRANSMITTER WITH EXCELLENT STRUCTURAL STABILITY AND IMPROVED ELECTRON EMISSION EFFICIENCY AND X-RAY TUBE COMPRISING THE SAME
US16/666,844 US11600462B2 (en) 2019-01-24 2019-10-29 Emitter with excellent structural stability and enhanced efficiency of electron emission and X-ray tube comprising the same
US17/889,787 US11798773B2 (en) 2019-01-24 2022-08-17 Emitter with excellent structural stability and enhanced efficiency of electron emission and X-ray tube comprising the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020190009430A KR101992745B1 (ko) 2019-01-24 2019-01-24 구조적 안정성이 우수하고 전자 방출 효율이 향상된 이미터 및 이를 포함하는 x-선 튜브

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Publication Number Publication Date
KR101992745B1 true KR101992745B1 (ko) 2019-06-26

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KR1020190009430A Active KR101992745B1 (ko) 2019-01-24 2019-01-24 구조적 안정성이 우수하고 전자 방출 효율이 향상된 이미터 및 이를 포함하는 x-선 튜브

Country Status (7)

Country Link
US (2) US11600462B2 (https=)
EP (1) EP3915129A4 (https=)
JP (1) JP7319492B2 (https=)
KR (1) KR101992745B1 (https=)
CN (1) CN113330532B (https=)
TW (1) TWI721488B (https=)
WO (1) WO2020153579A1 (https=)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102099411B1 (ko) * 2019-07-26 2020-04-09 어썸레이 주식회사 구조적 안정성이 우수한 전계 방출 장치 및 이를 포함하는 x-선 튜브
KR102330120B1 (ko) * 2021-01-28 2021-11-23 어썸레이 주식회사 식물에 전자기파를 조사하는 장치 및 그 방법
KR20220056458A (ko) 2020-10-28 2022-05-06 숭실대학교산학협력단 구조적 안정성이 향상된 탄소나노튜브 시트 롤 이미터, 이의 제조방법 및 이를 이용한 전계 방출 소자
US20220305293A1 (en) * 2021-03-23 2022-09-29 Awexome Ray, Inc. Treatment apparatus and method for treating, inhibiting and preventing inflammatory disease by using electromagnetic wave
US11798773B2 (en) 2019-01-24 2023-10-24 Awexome Ray, Inc. Emitter with excellent structural stability and enhanced efficiency of electron emission and X-ray tube comprising the same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101956153B1 (ko) 2018-10-04 2019-06-24 어썸레이 주식회사 탄소나노튜브를 포함하는 얀의 제조방법 및 이로부터 제조된 얀
KR101962215B1 (ko) * 2018-11-30 2019-03-26 어썸레이 주식회사 일 방향으로 정렬된 얀을 포함하는 탄소나노튜브 시트를 제조하는 방법 및 이에 의해 제조된 탄소나노튜브 시트
KR102635837B1 (ko) 2022-10-21 2024-02-14 어썸레이 주식회사 전계 방출 조립체 및 이를 포함하는 전자기파 발생 장치
KR102585865B1 (ko) 2022-10-21 2023-10-11 어썸레이 주식회사 에미터, 전계 방출 조립체 및 이를 포함하는 전자기파 발생 장치
US20250226170A1 (en) * 2023-09-20 2025-07-10 Awexome Ray, Inc. Emitter and field emission assembly including the same

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KR101992745B1 (ko) * 2019-01-24 2019-06-26 어썸레이 주식회사 구조적 안정성이 우수하고 전자 방출 효율이 향상된 이미터 및 이를 포함하는 x-선 튜브

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TWI753504B (zh) * 2019-07-26 2022-01-21 南韓商奧爽樂股份有限公司 具有優良結構穩定性的場發射裝置及包括場發射裝置的x射線管
KR20220056458A (ko) 2020-10-28 2022-05-06 숭실대학교산학협력단 구조적 안정성이 향상된 탄소나노튜브 시트 롤 이미터, 이의 제조방법 및 이를 이용한 전계 방출 소자
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US11798773B2 (en) 2023-10-24
US11600462B2 (en) 2023-03-07
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