CA432875A - Microscope a electrons - Google Patents

Microscope a electrons

Info

Publication number
CA432875A
CA432875A CA432875A CA432875DA CA432875A CA 432875 A CA432875 A CA 432875A CA 432875 A CA432875 A CA 432875A CA 432875D A CA432875D A CA 432875DA CA 432875 A CA432875 A CA 432875A
Authority
CA
Canada
Prior art keywords
electron microscope
microscope
electron
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
CA432875A
Other languages
English (en)
Inventor
G. Ramberg Edward
A. Morton George
Original Assignee
Radio Corporation of America
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 date
Application granted granted Critical
Publication of CA432875A publication Critical patent/CA432875A/fr
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
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/27—Shadow microscopy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
CA432875A 1939-07-29 Microscope a electrons Expired CA432875A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US287380A US2271990A (en) 1939-07-29 1939-07-29 Electron microscope

Publications (1)

Publication Number Publication Date
CA432875A true CA432875A (fr) 1946-01-29

Family

ID=23102634

Family Applications (1)

Application Number Title Priority Date Filing Date
CA432875A Expired CA432875A (fr) 1939-07-29 Microscope a electrons

Country Status (2)

Country Link
US (1) US2271990A (fr)
CA (1) CA432875A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103589A (en) * 1963-09-10 Wavelength in angstromx
BE479996A (fr) * 1944-02-18
US2444700A (en) * 1945-10-26 1948-07-06 Rca Corp Method of operating electron guns
US2467224A (en) * 1948-02-21 1949-04-12 Rca Corp Neutralization of electrostatic charges in electron-optical instruments
US2886736A (en) * 1954-02-02 1959-05-12 Research Corp Current rectifier
NL250286A (fr) * 1957-12-23
US3038993A (en) * 1958-05-21 1962-06-12 Masuda Tatsunosuke Aperture system for electron optical instrument
US3370168A (en) * 1964-01-14 1968-02-20 Hitachi Ltd Anode aperture plate for a television camera tube in an electron microscope comprising a stainless steel foil
US3430094A (en) * 1966-12-27 1969-02-25 Zenith Radio Corp Display devices
US3385967A (en) * 1967-09-07 1968-05-28 Welch Scient Company Electron diffraction apparatus for measuring wave length of electrons
JPS5217392B1 (fr) * 1970-09-18 1977-05-14

Also Published As

Publication number Publication date
US2271990A (en) 1942-02-03

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