NL55470C - - Google Patents

Info

Publication number
NL55470C
NL55470C NL55470DA NL55470C NL 55470 C NL55470 C NL 55470C NL 55470D A NL55470D A NL 55470DA NL 55470 C NL55470 C NL 55470C
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 NL55470C publication Critical patent/NL55470C/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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/0004—Microscopes specially adapted for specific applications
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/248—Components associated with the control of the tube
    • H01J2237/2482—Optical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electron Sources, Ion Sources (AREA)
NL55470D 1938-12-30 NL55470C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2273235X 1938-12-30

Publications (1)

Publication Number Publication Date
NL55470C true NL55470C (xx)

Family

ID=7993294

Family Applications (1)

Application Number Title Priority Date Filing Date
NL55470D NL55470C (xx) 1938-12-30

Country Status (3)

Country Link
US (1) US2273235A (xx)
FR (1) FR871019A (xx)
NL (1) NL55470C (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2898799A (en) * 1953-07-11 1959-08-11 Philips Corp Binocular optical system
US2991362A (en) * 1959-03-27 1961-07-04 Ontario Research Foundation Means and method for X-ray spectrometry
NL103763C (xx) * 1959-12-10
US3374349A (en) * 1966-11-14 1968-03-19 Victor G. Macres Electron probe having a specific shortfocal length magnetic lens and light microscope
US5734498A (en) * 1994-05-09 1998-03-31 The Regents Of The University Of California Illuminator elements for conventional light microscopes
CA2584152A1 (en) * 2004-10-25 2006-05-04 Huntsman Petrochemical Corporation Fuel and oil detergents

Also Published As

Publication number Publication date
US2273235A (en) 1942-02-17
FR871019A (fr) 1942-04-03

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