BE481554A - - Google Patents

Info

Publication number
BE481554A
BE481554A BE481554DA BE481554A BE 481554 A BE481554 A BE 481554A BE 481554D A BE481554D A BE 481554DA BE 481554 A BE481554 A BE 481554A
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 BE481554A publication Critical patent/BE481554A/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 or ion-optical arrangement
    • H01J37/153—Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators
    • 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
    • H01J29/60—Mirrors
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Lenses (AREA)
BE481554D 1947-06-26 BE481554A (uk)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR948895T 1947-06-26

Publications (1)

Publication Number Publication Date
BE481554A true BE481554A (uk)

Family

ID=9474298

Family Applications (1)

Application Number Title Priority Date Filing Date
BE481554D BE481554A (uk) 1947-06-26

Country Status (4)

Country Link
US (1) US2580675A (uk)
BE (1) BE481554A (uk)
CH (1) CH273522A (uk)
FR (1) FR948895A (uk)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL192009A (uk) * 1953-11-02
NL195609A (uk) * 1955-03-15
US2915662A (en) * 1956-08-24 1959-12-01 Nat Video Corp Centering arrangement and method for beams of cathode ray tubes
NL108506C (uk) * 1958-09-13
US3107297A (en) * 1960-08-29 1963-10-15 Applied Res Lab Inc Electron probe X-ray analyzer wherein the emitted X-radiation passes through the objective lens
NL266898A (uk) * 1961-07-10
US3371206A (en) * 1964-02-04 1968-02-27 Jeol Ltd Electron beam apparatus having compensating means for triangular beam distortion
DE1216455B (de) * 1964-03-25 1966-05-12 Siemens Ag Verfahren zum Ausrichten der Feldachse eines elektronenoptischen Linsen, insbesondere in einem Elektronenmikroskop zugeordneten Stigmators und Anordnung zur Durchfuehrung des Verfahrens
US3558879A (en) * 1968-03-12 1971-01-26 Atomic Energy Commission Electrostatic deflector for selectively and adjustably bending a charged particle beam
US3678333A (en) * 1970-06-15 1972-07-18 American Optical Corp Field emission electron gun utilizing means for protecting the field emission tip from high voltage discharges
DE2538521C2 (de) * 1975-08-28 1977-09-08 Siemens AG, 1000 Berlin und 8000 München Korpuskularstrahl-Transmissionsmikroskop mit einem hinter dem Präparat liegenden Ablenksystem
NL7604553A (nl) * 1975-08-28 1977-03-02 Siemens Ag Met corpusculaire stralen werkende doorstraal- rastermicroscoop met energie-analysator.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103645A (en) * 1932-12-20 1937-12-28 Schlesinger Kurt Braun tube
BE403600A (uk) * 1933-06-10
US2115093A (en) * 1933-06-10 1938-04-26 Rca Corp Cathode ray tube
GB499848A (en) * 1936-04-25 1939-01-30 British Thomson Houston Co Ltd Improvements relating to the control of electronic rays
GB489428A (en) * 1936-12-24 1938-07-25 Frederick Hermes Nicoll Improvements in or relating to electron mirrors
US2332876A (en) * 1938-04-04 1943-10-26 Uhlmann Wolfram Braun tube
BE442468A (uk) * 1940-08-15
US2401315A (en) * 1942-09-26 1946-06-04 Rca Corp Correction for spherical and chromatic aberrations in electron lenses

Also Published As

Publication number Publication date
FR948895A (fr) 1949-08-12
CH273522A (fr) 1951-02-15
US2580675A (en) 1952-01-01

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