FR404317A - - Google Patents

Info

Publication number
FR404317A
FR404317A FR404317DA FR404317A FR 404317 A FR404317 A FR 404317A FR 404317D A FR404317D A FR 404317DA FR 404317 A FR404317 A FR 404317A
Authority
FR
France
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
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR404317A publication Critical patent/FR404317A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
FR404317D Expired FR404317A (zh)

Publications (1)

Publication Number Publication Date
FR404317A true FR404317A (zh) 1900-01-01

Family

ID=1448889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR404317D Expired FR404317A (zh)

Country Status (1)

Country Link
FR (1) FR404317A (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746262C (de) * 1936-06-27 1944-06-17 Siemens Reiniger Werke Ag Roentgenstrahlenblende
DE755026C (de) * 1936-06-20 1953-03-23 Koch & Sterzel A G Fokusnahe Doppelschlitzblende fuer Roentgengeraete
US2713285A (en) * 1950-07-25 1955-07-19 Arthur J Holman Film shrinkage adjusting, focusing, and masking unit for revolving lens wheel system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755026C (de) * 1936-06-20 1953-03-23 Koch & Sterzel A G Fokusnahe Doppelschlitzblende fuer Roentgengeraete
DE746262C (de) * 1936-06-27 1944-06-17 Siemens Reiniger Werke Ag Roentgenstrahlenblende
US2713285A (en) * 1950-07-25 1955-07-19 Arthur J Holman Film shrinkage adjusting, focusing, and masking unit for revolving lens wheel system

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