NL6706402A - - Google Patents

Info

Publication number
NL6706402A
NL6706402A NL6706402A NL6706402A NL6706402A NL 6706402 A NL6706402 A NL 6706402A NL 6706402 A NL6706402 A NL 6706402A NL 6706402 A NL6706402 A NL 6706402A NL 6706402 A NL6706402 A NL 6706402A
Authority
NL
Netherlands
Application number
NL6706402A
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
Priority to GB40521/65A priority Critical patent/GB1171461A/en
Priority to FR104215A priority patent/FR1520974A/fr
Application filed filed Critical
Priority to NL6706402A priority patent/NL6706402A/xx
Priority to US642379A priority patent/US3509275A/en
Publication of NL6706402A publication Critical patent/NL6706402A/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
    • H01J37/21—Means for adjusting the focus
    • 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
    • H01J37/24—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Details Of Television Scanning (AREA)
NL6706402A 1965-09-23 1967-05-08 NL6706402A (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB40521/65A GB1171461A (en) 1965-09-23 1965-09-23 Improvements relating to the Focussing of Microscopes
FR104215A FR1520974A (fr) 1965-09-23 1967-04-26 Dispositif de focalisation pour microscope électronique
NL6706402A NL6706402A (de) 1965-09-23 1967-05-08
US642379A US3509275A (en) 1965-09-23 1967-05-31 Automatic focusing of electron microscopes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB40521/65A GB1171461A (en) 1965-09-23 1965-09-23 Improvements relating to the Focussing of Microscopes
FR104215A FR1520974A (fr) 1965-09-23 1967-04-26 Dispositif de focalisation pour microscope électronique
NL6706402A NL6706402A (de) 1965-09-23 1967-05-08
US64237967A 1967-05-31 1967-05-31

Publications (1)

Publication Number Publication Date
NL6706402A true NL6706402A (de) 1968-11-11

Family

ID=27444800

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6706402A NL6706402A (de) 1965-09-23 1967-05-08

Country Status (4)

Country Link
US (1) US3509275A (de)
FR (1) FR1520974A (de)
GB (1) GB1171461A (de)
NL (1) NL6706402A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715582A (en) * 1970-02-13 1973-02-06 Hitachi Ltd Method of and apparatus for attaining focusing following variation in magnification in electron microscope
CH518562A (de) * 1970-02-24 1972-01-31 Zeiss Carl Fa Verfahren und Vorrichtung zur automatischen Fokussierung von Mikroskopen
US3647952A (en) * 1970-04-15 1972-03-07 Rca Corp Automatic beam-focusing system
US3748467A (en) * 1971-09-07 1973-07-24 Nibon Denshi K K Scanning electron microscope
US3816848A (en) * 1972-03-29 1974-06-11 Magnavox Co Automatic focus control for image pickup devices
FR2181467B1 (de) * 1972-04-25 1974-07-26 Thomson Csf
US4063091A (en) * 1976-10-18 1977-12-13 American Optical Corporation High speed switching circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2464396A (en) * 1948-01-30 1949-03-15 Rca Corp Art of focusing electron microscopes, etc.
US2999436A (en) * 1954-09-04 1961-09-12 Voigtlaender Ag Process and device for automatically adjusting optical instruments
US3218431A (en) * 1962-12-27 1965-11-16 Gen Electric Self-focusing electron beam apparatus

Also Published As

Publication number Publication date
US3509275A (en) 1970-04-28
FR1520974A (fr) 1968-04-12
GB1171461A (en) 1969-11-19

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