FR921745A - Further training in the manufacture of electronic lenses - Google Patents

Further training in the manufacture of electronic lenses

Info

Publication number
FR921745A
FR921745A FR921745DA FR921745A FR 921745 A FR921745 A FR 921745A FR 921745D A FR921745D A FR 921745DA FR 921745 A FR921745 A FR 921745A
Authority
FR
France
Prior art keywords
manufacture
further training
electronic lenses
lenses
electronic
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
Other languages
French (fr)
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR921745A publication Critical patent/FR921745A/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
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/10—Lenses
    • H01J37/12—Lenses electrostatic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
FR921745D 1945-11-26 1945-11-26 Further training in the manufacture of electronic lenses Expired FR921745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR921745T 1945-11-26

Publications (1)

Publication Number Publication Date
FR921745A true FR921745A (en) 1947-05-16

Family

ID=9437507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR921745D Expired FR921745A (en) 1945-11-26 1945-11-26 Further training in the manufacture of electronic lenses

Country Status (2)

Country Link
CH (1) CH260188A (en)
FR (1) FR921745A (en)

Also Published As

Publication number Publication date
CH260188A (en) 1949-02-28

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