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CH220324A - Elektronenmikroskop. - Google Patents

Elektronenmikroskop.

Info

Publication number
CH220324A
CH220324A CH220324DA CH220324A CH 220324 A CH220324 A CH 220324A CH 220324D A CH220324D A CH 220324DA CH 220324 A CH220324 A CH 220324A
Authority
CH
Switzerland
Prior art keywords
electron microscope
microscope
electron
Prior art date
Application number
Other languages
English (en)
Inventor
Fides Gesellschaft Beschraenk
Original Assignee
Fides Gmbh
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 Gmbh filed Critical Fides Gmbh
Publication of CH220324A publication Critical patent/CH220324A/de

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
    • 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
    • H01J37/06—Electron sources; Electron guns
    • H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
CH220324D 1939-07-22 1940-05-24 Elektronenmikroskop. CH220324A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE220324X 1939-07-22

Publications (1)

Publication Number Publication Date
CH220324A true CH220324A (de) 1942-03-31

Family

ID=5833865

Family Applications (1)

Application Number Title Priority Date Filing Date
CH220324D CH220324A (de) 1939-07-22 1940-05-24 Elektronenmikroskop.

Country Status (2)

Country Link
US (1) US2272353A (de)
CH (1) CH220324A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2057016A1 (de) * 1969-08-06 1971-05-07 Gen Electric

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421696A (en) * 1945-03-01 1947-06-03 Rca Corp Specimen holder assembly
US2594099A (en) * 1950-04-22 1952-04-22 Ite Circuit Breaker Ltd Focusing coil for cathode-ray tubes
US2771568A (en) * 1951-01-31 1956-11-20 Zeiss Carl Utilizing electron energy for physically and chemically changing members
US2619607A (en) * 1951-03-10 1952-11-25 Glaser Steers Corp Internal focusing device
US2886736A (en) * 1954-02-02 1959-05-12 Research Corp Current rectifier
US2897396A (en) * 1955-05-10 1959-07-28 Vakutronik Veb Electron emitting system
GB1291221A (en) * 1968-07-07 1972-10-04 Smith Kenneth C A Electron probe forming system
GB1394055A (en) * 1971-07-09 1975-05-14 Nat Res Dev Electron emitters
US4672553A (en) * 1983-02-03 1987-06-09 Goody Products, Inc. Order processing method and apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2057016A1 (de) * 1969-08-06 1971-05-07 Gen Electric

Also Published As

Publication number Publication date
US2272353A (en) 1942-02-10

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