GB634820A - Improvements in or relating to electron-microscopes - Google Patents

Improvements in or relating to electron-microscopes

Info

Publication number
GB634820A
GB634820A GB23676/47A GB2367647A GB634820A GB 634820 A GB634820 A GB 634820A GB 23676/47 A GB23676/47 A GB 23676/47A GB 2367647 A GB2367647 A GB 2367647A GB 634820 A GB634820 A GB 634820A
Authority
GB
United Kingdom
Prior art keywords
tube
electron
aug
film
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
GB23676/47A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB634820A publication Critical patent/GB634820A/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
    • H01J37/22—Optical, image processing 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 or exposure control; Optical subsystems specially adapted therefor, e. g. microscopes for observing image on luminescent screen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Sealing Material Composition (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
GB23676/47A 1946-08-30 1947-08-27 Improvements in or relating to electron-microscopes Expired GB634820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL634820X 1946-08-30

Publications (1)

Publication Number Publication Date
GB634820A true GB634820A (en) 1950-03-29

Family

ID=19788855

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23676/47A Expired GB634820A (en) 1946-08-30 1947-08-27 Improvements in or relating to electron-microscopes

Country Status (3)

Country Link
FR (1) FR952560A (enrdf_load_stackoverflow)
GB (1) GB634820A (enrdf_load_stackoverflow)
NL (1) NL65817C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR952560A (fr) 1949-11-21
NL65817C (enrdf_load_stackoverflow)

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