BE440927A - - Google Patents

Info

Publication number
BE440927A
BE440927A BE440927DA BE440927A BE 440927 A BE440927 A BE 440927A BE 440927D A BE440927D A BE 440927DA BE 440927 A BE440927 A BE 440927A
Authority
BE
Belgium
Application number
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.)
Publication of BE440927A publication Critical patent/BE440927A/xx

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
    • H01J37/10—Lenses
    • H01J37/12—Lenses electrostatic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • 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
    • H01J2237/10—Lenses
    • H01J2237/12—Lenses electrostatic
    • H01J2237/1205—Microlenses

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
BE440927D 1940-05-08 BE440927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2313018X 1940-05-08

Publications (1)

Publication Number Publication Date
BE440927A true BE440927A (en)

Family

ID=7994521

Family Applications (1)

Application Number Title Priority Date Filing Date
BE440927D BE440927A (en) 1940-05-08

Country Status (2)

Country Link
US (1) US2313018A (en)
BE (1) BE440927A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE576003A (en) * 1942-12-01
US2421234A (en) * 1944-08-31 1947-05-27 Gen Electric Electron lens assembly
FR926604A (en) * 1946-03-12 1947-10-07 Csf Improvements to independent electrostatic lenses
US2455992A (en) * 1947-01-25 1948-12-14 Du Mont Allen B Lab Inc Cathode-ray tube amusement device
US2740913A (en) * 1951-11-01 1956-04-03 Itt Electron gun
US2845571A (en) * 1953-04-17 1958-07-29 Kazan Benjamin Electrostatically focused traveling wave tube
NL185815B (en) * 1954-03-11 Bayer Ag PROCEDURE FOR CONTROLLING MICRO-ORGANISMS AND FORMED PRODUCTS, WHOLE OR PARTLY CONSISTING OF MATERIAL, TREATED IN ACCORDANCE WITH THIS PROCEDURE.
US2925496A (en) * 1954-10-20 1960-02-16 Swift & Co Apparatus for obtaining substantially uniform irradiation from a nonuni form source
US3143681A (en) * 1959-12-07 1964-08-04 Gen Electric Spiral electrostatic electron lens
US3188465A (en) * 1959-12-29 1965-06-08 Kabushikikaisha Nihondenshi Ka Two stage electron beam magnification device comprising plural adjustable magnetic lens system
US4096386A (en) * 1977-04-04 1978-06-20 Taylor-Kincaid Company Light reflecting electrostatic electron lens
US4126781A (en) * 1977-05-10 1978-11-21 Extranuclear Laboratories, Inc. Method and apparatus for producing electrostatic fields by surface currents on resistive materials with applications to charged particle optics and energy analysis
US4370594A (en) * 1978-11-29 1983-01-25 Rca Corporation Resistive lens structure for electron gun
US4281270A (en) * 1979-06-25 1981-07-28 Rca Corporation Precoated resistive lens structure for electron gun and method of fabrication
FR2574978B1 (en) * 1984-12-14 1987-01-16 Commissariat Energie Atomique DEVICE FOR IRRADIATION OF MATERIAL BY AN ELECTRONIC BEAM
DE69633338T2 (en) * 1996-11-19 2005-02-24 Advantest Corp. Electrostatic device for acting on a corpuscular beam
EP2478546B1 (en) * 2009-09-18 2018-07-04 FEI Company Distributed ion source acceleration column
WO2014068434A2 (en) * 2012-10-31 2014-05-08 Koninklijke Philips N.V. Optical element with manipulated coating resistance

Also Published As

Publication number Publication date
US2313018A (en) 1943-03-02

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