FR864910A - Method of centering the electron beam in electron microscopes - Google Patents

Method of centering the electron beam in electron microscopes

Info

Publication number
FR864910A
FR864910A FR864910DA FR864910A FR 864910 A FR864910 A FR 864910A FR 864910D A FR864910D A FR 864910DA FR 864910 A FR864910 A FR 864910A
Authority
FR
France
Prior art keywords
electron
centering
microscopes
electron beam
electron microscopes
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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 Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH filed Critical Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Application granted granted Critical
Publication of FR864910A publication Critical patent/FR864910A/en
Expired legal-status Critical Current

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
    • H01J37/147—Arrangements for directing or deflecting the discharge along a desired path
    • H01J37/1471—Arrangements for directing or deflecting the discharge along a desired path for centering, aligning or positioning of ray or 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
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/147—Arrangements for directing or deflecting the discharge along a desired path
    • H01J37/15—External mechanical adjustment of electron or ion optical components
    • 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)
FR864910D 1938-09-16 1940-04-15 Method of centering the electron beam in electron microscopes Expired FR864910A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2266717X 1938-09-16
DE2301987X 1938-10-21

Publications (1)

Publication Number Publication Date
FR864910A true FR864910A (en) 1941-05-08

Family

ID=32094900

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864910D Expired FR864910A (en) 1938-09-16 1940-04-15 Method of centering the electron beam in electron microscopes

Country Status (2)

Country Link
US (2) US2266717A (en)
FR (1) FR864910A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE474126A (en) * 1942-12-01
US2423158A (en) * 1944-04-19 1947-07-01 Rca Corp Specimen chamber for electron microscopes
US2418317A (en) * 1944-04-27 1947-04-01 Rca Corp Electronic gun adjustment
US2420207A (en) * 1944-12-30 1947-05-06 Rca Corp Electron gun mounting
US2421722A (en) * 1944-12-30 1947-06-03 Rca Corp Specimen holder assembly
NL67115C (en) * 1946-01-12
US2444368A (en) * 1946-03-12 1948-06-29 Rca Corp Method of making electron diffraction patterns of fusible specimens
US2663815A (en) * 1950-09-26 1953-12-22 Clarostat Mfg Co Inc Ion trap
US2754349A (en) * 1951-03-28 1956-07-10 Leo C Werner Insulating spacers
US3149258A (en) * 1954-09-09 1964-09-15 Sheldon Edward Emanuel Electron microscope with an X-ray target

Also Published As

Publication number Publication date
US2301987A (en) 1942-11-17
US2266717A (en) 1941-12-16

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