FR416923A - Electrodes for rare earth tubes geissler - Google Patents

Electrodes for rare earth tubes geissler

Info

Publication number
FR416923A
FR416923A FR416923DA FR416923A FR 416923 A FR416923 A FR 416923A FR 416923D A FR416923D A FR 416923DA FR 416923 A FR416923 A FR 416923A
Authority
FR
Grant status
Grant
Patent type
Prior art keywords
geissler
electrodes
rare earth
earth tubes
tubes
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.)
LA BANQUE DU RADIUM
BANQUE DU RADIUM
Original Assignee
Banque Du Radium
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
Grant date

Links

Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas- or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
FR416923A 1910-06-09 1910-06-09 Electrodes for rare earth tubes geissler Expired FR416923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR416923T 1910-06-09

Publications (1)

Publication Number Publication Date
FR416923A true FR416923A (en) 1910-11-02

Family

ID=1460377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR416923A Expired FR416923A (en) 1910-06-09 1910-06-09 Electrodes for rare earth tubes geissler

Country Status (1)

Country Link
FR (1) FR416923A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997005639A1 (en) * 1995-07-31 1997-02-13 Casio Computer Co., Ltd. Electron-emitting electrode, method of manufacturing the same, and light-emitting device having the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997005639A1 (en) * 1995-07-31 1997-02-13 Casio Computer Co., Ltd. Electron-emitting electrode, method of manufacturing the same, and light-emitting device having the same

Similar Documents

Publication Publication Date Title
FR489155A (en) Preparation of rare earth metals
FR23851E (en) armored automobile can be used for self-machine gun of autocannon, etc.
FR495327A (en) Improvements to metal reinforcements for concrete
FR428052A (en) Improvements to gun carriages
FR493210A (en) insulating wall system demountable
FR434015A (en) underground refuge for airships
FR453564A (en) Improvements to metallic bottle holder
FR420371A (en) Improvement in gun barrels
FR13863E (en) explosions motor valveless
FR422804A (en) explosions motor valveless
FR485841A (en) Borne-shoe for high voltage current distributors
FR420302A (en) Aero-lift, designed specifically to serve parachute
FR411363A (en) Dust Tablet radiator
FR476718A (en) pneumatic mortar
DK13787C (en) Cyklelaas.
FR421357A (en) carbon electrode for electric furnaces
FR413217A (en) Hydraulic transmission for automobiles and other applications
FR15256E (en) Motor valveless
FR451071A (en) Coupling for metal tubes
FR434905A (en) Pneumatic Shoe Shoe
FR430087A (en) shift for automobiles
FR485203A (en) Penholder tank
FR467985A (en) Nuts for pin selfacting
FR476820A (en) refined oil furnace
FR477445A (en) Rod engine