FR988431A - Thermionic device and manufacturing process - Google Patents

Thermionic device and manufacturing process

Info

Publication number
FR988431A
FR988431A FR988431DA FR988431A FR 988431 A FR988431 A FR 988431A FR 988431D A FR988431D A FR 988431DA FR 988431 A FR988431 A FR 988431A
Authority
FR
France
Prior art keywords
manufacturing process
thermionic device
thermionic
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)
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR988431A publication Critical patent/FR988431A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/063—Indirectly heated cathodes, e.g. by the discharge itself
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
FR988431D 1942-10-17 1947-07-12 Thermionic device and manufacturing process Expired FR988431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US462342A US2372037A (en) 1942-10-17 1942-10-17 Thermionic device and means and method of fabrication

Publications (1)

Publication Number Publication Date
FR988431A true FR988431A (en) 1951-08-27

Family

ID=23836088

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988431D Expired FR988431A (en) 1942-10-17 1947-07-12 Thermionic device and manufacturing process

Country Status (4)

Country Link
US (1) US2372037A (en)
BE (1) BE474305A (en)
FR (1) FR988431A (en)
GB (1) GB571709A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507812A (en) * 1945-08-17 1950-05-16 Cossor Ltd A C Thermionic cathode
US2463372A (en) * 1945-10-03 1949-03-01 Jr Peter W Forsbergh Cathode structure for magnetrons
US2498775A (en) * 1948-01-16 1950-02-28 Westinghouse Electric Corp Cathode construction
US2677787A (en) * 1950-05-08 1954-05-04 Charles V Litton Electron discharge device cathode assembly
US2740916A (en) * 1954-09-01 1956-04-03 Garner J Hooper Vacuum tube with replacement filaments

Also Published As

Publication number Publication date
US2372037A (en) 1945-03-20
BE474305A (en)
GB571709A (en) 1945-09-05

Similar Documents

Publication Publication Date Title
FR988431A (en) Thermionic device and manufacturing process
FR914780A (en) Cartridge case and its manufacturing process
FR937977A (en) Polymer manufacturing process
FR899965A (en) Method and device for manufacturing molded parts
FR57617E (en) Magnetron and method of manufacturing the same
FR907479A (en) Polycondensate manufacturing process
FR894822A (en) Propeller and its manufacturing process
FR980009A (en) Flexible tube and its manufacturing process
FR885477A (en) Jam and its manufacturing process
FR886179A (en) Demoulding method and device
FR888078A (en) Nail device and its manufacturing process
FR888077A (en) Ski and its manufacturing process
FR976594A (en) Pyridine manufacturing process
FR895452A (en) Method and device for manufacturing friction linings
FR935378A (en) Process and device for the manufacture of viscose
FR55583E (en) Manufacturing process of the fibranne and application device
FR949997A (en) Resistance manufacturing process
FR895750A (en) Superpolymer manufacturing process
FR889828A (en) Binder twine device and its manufacturing process
FR905966A (en) Stereoradioscopy method and device
FR888237A (en) Vegetable detergent and manufacturing process
FR890468A (en) Glycol manufacturing process
FR977500A (en) Manufacturing process of the fibranne and application device
FR896822A (en) Method and device for the manufacture of capacitors
FR900368A (en) Entremets and its manufacturing process