JPWO2021079855A1 - - Google Patents

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Publication number
JPWO2021079855A1
JPWO2021079855A1 JP2021553437A JP2021553437A JPWO2021079855A1 JP WO2021079855 A1 JPWO2021079855 A1 JP WO2021079855A1 JP 2021553437 A JP2021553437 A JP 2021553437A JP 2021553437 A JP2021553437 A JP 2021553437A JP WO2021079855 A1 JPWO2021079855 A1 JP WO2021079855A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021553437A
Other versions
JP7369473B2 (ja
JPWO2021079855A5 (ja
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 filed Critical
Publication of JPWO2021079855A1 publication Critical patent/JPWO2021079855A1/ja
Publication of JPWO2021079855A5 publication Critical patent/JPWO2021079855A5/ja
Application granted granted Critical
Publication of JP7369473B2 publication Critical patent/JP7369473B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • H01J1/3044—Point emitters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources
    • 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
    • H01J2201/30403—Field emission cathodes characterised by the emitter shape
    • H01J2201/30407—Microengineered point emitters
    • H01J2201/30415—Microengineered point emitters needle shaped
    • 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
    • H01J2201/30492—Borides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/06—Sources
    • H01J2237/063—Electron sources
    • H01J2237/06325—Cold-cathode sources
    • H01J2237/06341—Field emission
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/30—Electron or ion beam tubes for processing objects
    • H01J2237/317—Processing objects on a microscale
    • H01J2237/31749—Focused ion beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Electron Sources, Ion Sources (AREA)
JP2021553437A 2019-10-21 2020-10-20 エミッタ、それを用いた電子銃、それを用いた電子機器、および、その製造方法 Active JP7369473B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019191638 2019-10-21
JP2019191638 2019-10-21
JP2019224364 2019-12-12
JP2019224364 2019-12-12
PCT/JP2020/039310 WO2021079855A1 (ja) 2019-10-21 2020-10-20 エミッタ、それを用いた電子銃、それを用いた電子機器、および、その製造方法

Publications (3)

Publication Number Publication Date
JPWO2021079855A1 true JPWO2021079855A1 (ja) 2021-04-29
JPWO2021079855A5 JPWO2021079855A5 (ja) 2022-06-10
JP7369473B2 JP7369473B2 (ja) 2023-10-26

Family

ID=75620577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021553437A Active JP7369473B2 (ja) 2019-10-21 2020-10-20 エミッタ、それを用いた電子銃、それを用いた電子機器、および、その製造方法

Country Status (4)

Country Link
US (1) US11915920B2 (ja)
EP (1) EP4050637A4 (ja)
JP (1) JP7369473B2 (ja)
WO (1) WO2021079855A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4379767A1 (en) * 2021-08-05 2024-06-05 Denka Company Limited Electron source, manufacturing method therefor, and device comprising electron source
US11651924B1 (en) * 2022-06-22 2023-05-16 Fei Company Method of producing microrods for electron emitters, and associated microrods and electron emitters
JP2024001910A (ja) * 2022-06-23 2024-01-11 国立研究開発法人物質・材料研究機構 エミッタ、その製造方法、それを用いた電子銃、および、それを用いた電子機器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008204868A (ja) * 2007-02-21 2008-09-04 Nano Geometry Kenkyusho:Kk 電界放出型電子銃の製造方法、その製造方法による電界放出型電子銃、荷電粒子ビーム装置、電界放出型電子銃の再生方法、その再生方法による電界放出型電子銃、荷電粒子ビーム装置、および複数分割エミッタ電極
JP2011091001A (ja) * 2009-10-26 2011-05-06 Hitachi High-Technologies Corp 荷電粒子ビーム源の製造方法、荷電粒子ビーム源、荷電粒子ビーム装置
JP2013200991A (ja) * 2012-03-23 2013-10-03 Hitachi High-Tech Science Corp エミッタの作製方法
JP2016207319A (ja) * 2015-04-17 2016-12-08 株式会社日立ハイテクノロジーズ 電界放出型電子源及びその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5993281A (en) 1997-06-10 1999-11-30 The Regents Of The University Of California Sharpening of field emitter tips using high-energy ions
US7828622B1 (en) * 2007-10-25 2010-11-09 Kla-Tencor Technologies Corporation Sharpening metal carbide emitters
WO2016140177A1 (ja) 2015-03-02 2016-09-09 国立研究開発法人物質・材料研究機構 エミッタ、それを用いた電子銃、それを用いた電子機器、および、その製造方法
JP6804120B2 (ja) 2017-11-29 2020-12-23 国立研究開発法人物質・材料研究機構 エミッタ、それを用いた電子銃、それを用いた電子機器、および、その製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008204868A (ja) * 2007-02-21 2008-09-04 Nano Geometry Kenkyusho:Kk 電界放出型電子銃の製造方法、その製造方法による電界放出型電子銃、荷電粒子ビーム装置、電界放出型電子銃の再生方法、その再生方法による電界放出型電子銃、荷電粒子ビーム装置、および複数分割エミッタ電極
JP2011091001A (ja) * 2009-10-26 2011-05-06 Hitachi High-Technologies Corp 荷電粒子ビーム源の製造方法、荷電粒子ビーム源、荷電粒子ビーム装置
JP2013200991A (ja) * 2012-03-23 2013-10-03 Hitachi High-Tech Science Corp エミッタの作製方法
JP2016207319A (ja) * 2015-04-17 2016-12-08 株式会社日立ハイテクノロジーズ 電界放出型電子源及びその製造方法

Also Published As

Publication number Publication date
WO2021079855A1 (ja) 2021-04-29
JP7369473B2 (ja) 2023-10-26
EP4050637A1 (en) 2022-08-31
EP4050637A4 (en) 2023-12-20
US11915920B2 (en) 2024-02-27
US20220406552A1 (en) 2022-12-22

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