FR912150A - Electron-producing device and its manufacturing process - Google Patents

Electron-producing device and its manufacturing process

Info

Publication number
FR912150A
FR912150A FR912150DA FR912150A FR 912150 A FR912150 A FR 912150A FR 912150D A FR912150D A FR 912150DA FR 912150 A FR912150 A FR 912150A
Authority
FR
France
Prior art keywords
electron
manufacturing process
producing device
producing
manufacturing
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)
Inventor
Lucien Elouard
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 filed Critical
Application granted granted Critical
Publication of FR912150A publication Critical patent/FR912150A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
FR912150D 1945-02-05 1945-02-05 Electron-producing device and its manufacturing process Expired FR912150A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR912150T 1945-02-05

Publications (1)

Publication Number Publication Date
FR912150A true FR912150A (en) 1946-07-31

Family

ID=9421101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR912150D Expired FR912150A (en) 1945-02-05 1945-02-05 Electron-producing device and its manufacturing process

Country Status (1)

Country Link
FR (1) FR912150A (en)

Similar Documents

Publication Publication Date Title
FR1080514A (en) Permanent magnet and its manufacturing process
FR969562A (en) Method and device for manufacturing plastic tubes
CH308634A (en) Elastic device and method of manufacturing this device.
FR1054259A (en) Planographic plate and its manufacturing process
FR1192936A (en) Dyssymmetric conductive device and method of manufacture
FR1018415A (en) Method and device for manufacturing glass objects, and objects thus produced
FR922493A (en) Gasoline manufacturing process
FR912150A (en) Electron-producing device and its manufacturing process
FR933592A (en) Adhesive composition and its manufacturing process
FR989247A (en) Cathode and its manufacturing process
FR1028927A (en) Coupling device and its manufacturing process
FR1012831A (en) Gelified entremets and its manufacturing process
FR972188A (en) Mordache and its manufacturing process
FR974654A (en) Bolt-plate and its manufacturing process
FR913241A (en) Formula milk and its manufacturing process
FR1069750A (en) Electric amplification device and its manufacturing process
FR1046337A (en) Clothing and its manufacturing process
FR1032089A (en) improved case and its manufacturing process
FR944531A (en) Pickaxe and its manufacturing process
FR1003836A (en) Phonogram and its manufacturing process
FR1012915A (en) Pipe and its manufacturing process
FR921147A (en) Artificial ceil and its manufacturing process
FR920806A (en) Baker's paneton system and its manufacturing process
FR917350A (en) Improved trowel and its manufacturing process
FR917554A (en) Peanut butter and its manufacturing process