NL112758C - - Google Patents

Info

Publication number
NL112758C
NL112758C NL112758DA NL112758C NL 112758 C NL112758 C NL 112758C NL 112758D A NL112758D A NL 112758DA NL 112758 C NL112758 C NL 112758C
Authority
NL
Netherlands
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 NL112758C publication Critical patent/NL112758C/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
    • H01J37/22—Optical or photographic arrangements associated with the tube
    • H01J37/224—Luminescent screens or photographic plates for imaging ; Apparatus specially adapted therefor, e.g. cameras, TV-cameras, photographic equipment, exposure control; Optical subsystems specially adapted therefor, e.g. microscopes for observing image on luminescent screen
    • 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
    • H01J37/18—Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel
NL112758D 1942-10-28 NL112758C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE246104X 1942-10-28

Publications (1)

Publication Number Publication Date
NL112758C true NL112758C (en)

Family

ID=5934380

Family Applications (1)

Application Number Title Priority Date Filing Date
NL112758D NL112758C (en) 1942-10-28

Country Status (3)

Country Link
CH (1) CH246104A (en)
FR (1) FR900309A (en)
NL (1) NL112758C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809899A (en) * 1972-08-17 1974-05-07 Tektronix Inc Electron-beam tube including a thermionic-field emission cathode for a scanning electron microscope

Also Published As

Publication number Publication date
FR900309A (en) 1945-06-26
CH246104A (en) 1946-12-15

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