FR811528A - heating element for high voltage cathodes - Google Patents

heating element for high voltage cathodes

Info

Publication number
FR811528A
FR811528A FR811528DA FR811528A FR 811528 A FR811528 A FR 811528A FR 811528D A FR811528D A FR 811528DA FR 811528 A FR811528 A FR 811528A
Authority
FR
France
Prior art keywords
high voltage
heating element
voltage cathodes
cathodes
heating
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR811528A publication Critical patent/FR811528A/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
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
FR811528D 1935-10-02 1936-10-01 heating element for high voltage cathodes Expired FR811528A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER94368D DE724812C (en) 1935-10-02 1935-10-02 Heating element for indirectly heated high-voltage cathodes

Publications (1)

Publication Number Publication Date
FR811528A true FR811528A (en) 1937-04-16

Family

ID=7419148

Family Applications (1)

Application Number Title Priority Date Filing Date
FR811528D Expired FR811528A (en) 1935-10-02 1936-10-01 heating element for high voltage cathodes

Country Status (5)

Country Link
US (1) US2083196A (en)
DE (1) DE724812C (en)
FR (1) FR811528A (en)
GB (1) GB474179A (en)
NL (1) NL47731C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528425A (en) * 1950-10-31 Electron tube cathode heater
US2563573A (en) * 1951-08-07 Hot cathode electron tube which re
US2817605A (en) * 1947-03-24 1957-12-24 Manuel C Sanz Method for sealing the pores in a carbon body
GB962926A (en) * 1962-03-19 1964-07-08 Rank Bush Murphy Ltd Improvements in thermionic cathodes and in methods of manufacturing such cathodes
GB1204316A (en) * 1966-09-26 1970-09-03 Atomic Energy Authority Uk Improvements in or relating to electron emitting cathodes for irradiation machines
US3534218A (en) * 1967-03-30 1970-10-13 Atomic Energy Authority Uk Electron emitting cathodes for irradiation machines
CN110218987A (en) * 2019-07-24 2019-09-10 合肥百思新材料研究院有限公司 A kind of cold wall method CVD deposition equipment and its working method

Also Published As

Publication number Publication date
DE724812C (en) 1942-09-05
US2083196A (en) 1937-06-08
GB474179A (en) 1937-10-27
NL47731C (en) 1940-02-15

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