IT1141056B - Catodo metallico filiforme per un apparato a fascio elettronico - Google Patents

Catodo metallico filiforme per un apparato a fascio elettronico

Info

Publication number
IT1141056B
IT1141056B IT24696/80A IT2469680A IT1141056B IT 1141056 B IT1141056 B IT 1141056B IT 24696/80 A IT24696/80 A IT 24696/80A IT 2469680 A IT2469680 A IT 2469680A IT 1141056 B IT1141056 B IT 1141056B
Authority
IT
Italy
Prior art keywords
beam apparatus
electronic beam
metallic cathode
filiform
filiform metallic
Prior art date
Application number
IT24696/80A
Other languages
English (en)
Other versions
IT8024696A0 (it
Inventor
Heico Jan Frima
Jan Bart Le Poole
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT8024696A0 publication Critical patent/IT8024696A0/it
Application granted granted Critical
Publication of IT1141056B publication Critical patent/IT1141056B/it

Links

Classifications

    • 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, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/075—Electron guns using thermionic emission from cathodes heated by particle bombardment or by irradiation, e.g. by laser

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Electron Beam Exposure (AREA)
  • Lasers (AREA)
IT24696/80A 1979-09-19 1980-09-16 Catodo metallico filiforme per un apparato a fascio elettronico IT1141056B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7906958A NL7906958A (nl) 1979-09-19 1979-09-19 Metaaldraadkathode voor elektronenstraalapparaat.

Publications (2)

Publication Number Publication Date
IT8024696A0 IT8024696A0 (it) 1980-09-16
IT1141056B true IT1141056B (it) 1986-10-01

Family

ID=19833868

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24696/80A IT1141056B (it) 1979-09-19 1980-09-16 Catodo metallico filiforme per un apparato a fascio elettronico

Country Status (11)

Country Link
US (1) US4419561A (it)
JP (1) JPS5652856A (it)
BR (1) BR8008838A (it)
CA (1) CA1151320A (it)
DE (1) DE3034598C2 (it)
FR (1) FR2466096A1 (it)
GB (1) GB2059149B (it)
IT (1) IT1141056B (it)
NL (1) NL7906958A (it)
SE (1) SE437585B (it)
WO (1) WO1981000929A1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8302275A (nl) * 1983-06-28 1985-01-16 Philips Nv Electronenstraalapparaat met metaaldraadbron.
CN86105432A (zh) * 1985-09-27 1987-05-27 美国电话电报公司 带电粒子束曝光

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL74193C (it) * 1948-05-10
US3466487A (en) * 1967-06-16 1969-09-09 United Aircraft Corp Device for moving a beam of charged particles
NL7018701A (it) * 1970-12-23 1972-06-27
JPS4929969A (it) * 1972-07-20 1974-03-16
JPS5357760A (en) * 1976-11-04 1978-05-25 Fujitsu Ltd Electron beam exposure apparatus
JPS5412675A (en) * 1977-06-30 1979-01-30 Jeol Ltd Electon beam exposure method

Also Published As

Publication number Publication date
SE437585B (sv) 1985-03-04
NL7906958A (nl) 1981-03-23
US4419561A (en) 1983-12-06
JPS5652856A (en) 1981-05-12
GB2059149A (en) 1981-04-15
FR2466096B1 (it) 1984-12-14
DE3034598C2 (de) 1985-05-15
DE3034598A1 (de) 1981-04-09
CA1151320A (en) 1983-08-02
IT8024696A0 (it) 1980-09-16
WO1981000929A1 (en) 1981-04-02
SE8006463L (sv) 1981-03-20
GB2059149B (en) 1984-01-18
BR8008838A (pt) 1981-06-30
JPS6329782B2 (it) 1988-06-15
FR2466096A1 (fr) 1981-03-27

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