NL157743B - INDIRECTLY HEATED CATHODE. - Google Patents

INDIRECTLY HEATED CATHODE.

Info

Publication number
NL157743B
NL157743B NL6618058A NL6618058A NL157743B NL 157743 B NL157743 B NL 157743B NL 6618058 A NL6618058 A NL 6618058A NL 6618058 A NL6618058 A NL 6618058A NL 157743 B NL157743 B NL 157743B
Authority
NL
Netherlands
Prior art keywords
indirectly heated
heated cathode
cathode
indirectly
heated
Prior art date
Application number
NL6618058A
Other languages
Dutch (nl)
Other versions
NL6618058A (en
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL6618058A priority Critical patent/NL157743B/en
Priority to DE19671614295 priority patent/DE1614295C3/en
Priority to AT1151067A priority patent/AT278183B/en
Priority to NO17108567A priority patent/NO121225B/no
Priority to CH1791367A priority patent/CH469346A/en
Priority to GB5790467A priority patent/GB1188668A/en
Priority to DK639667A priority patent/DK118414B/en
Priority to FR1549006D priority patent/FR1549006A/fr
Priority to BE708387D priority patent/BE708387A/xx
Publication of NL6618058A publication Critical patent/NL6618058A/xx
Priority to ES364237A priority patent/ES364237A1/en
Publication of NL157743B publication Critical patent/NL157743B/en

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
    • H01J1/22—Heaters
    • 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
    • H01J1/24—Insulating layer or body located between heater and emissive material
NL6618058A 1966-12-23 1966-12-23 INDIRECTLY HEATED CATHODE. NL157743B (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL6618058A NL157743B (en) 1966-12-23 1966-12-23 INDIRECTLY HEATED CATHODE.
DE19671614295 DE1614295C3 (en) 1966-12-23 1967-11-11 Indirectly heatable thermionic cathode and method for producing such a cathode
GB5790467A GB1188668A (en) 1966-12-23 1967-12-20 Thermionic Cathode
NO17108567A NO121225B (en) 1966-12-23 1967-12-20
CH1791367A CH469346A (en) 1966-12-23 1967-12-20 Indirectly heatable cathode and process for their manufacture
AT1151067A AT278183B (en) 1966-12-23 1967-12-20 Indirectly heatable cathode and method for producing such a cathode
DK639667A DK118414B (en) 1966-12-23 1967-12-20 Indirectly heated cathode with a dark colored surface layer on the heater and method of manufacturing one.
FR1549006D FR1549006A (en) 1966-12-23 1967-12-21
BE708387D BE708387A (en) 1966-12-23 1967-12-21
ES364237A ES364237A1 (en) 1966-12-23 1969-02-28 Thermionic Cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6618058A NL157743B (en) 1966-12-23 1966-12-23 INDIRECTLY HEATED CATHODE.

Publications (2)

Publication Number Publication Date
NL6618058A NL6618058A (en) 1968-06-24
NL157743B true NL157743B (en) 1978-08-15

Family

ID=19798531

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6618058A NL157743B (en) 1966-12-23 1966-12-23 INDIRECTLY HEATED CATHODE.

Country Status (9)

Country Link
AT (1) AT278183B (en)
BE (1) BE708387A (en)
CH (1) CH469346A (en)
DK (1) DK118414B (en)
ES (1) ES364237A1 (en)
FR (1) FR1549006A (en)
GB (1) GB1188668A (en)
NL (1) NL157743B (en)
NO (1) NO121225B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5118983A (en) * 1989-03-24 1992-06-02 Mitsubishi Denki Kabushiki Kaisha Thermionic electron source
DE4026301A1 (en) * 1990-08-20 1992-02-27 Siemens Ag ELECTRON EMITTER OF A X-RAY TUBE

Also Published As

Publication number Publication date
ES364237A1 (en) 1971-02-16
FR1549006A (en) 1968-12-06
DE1614295A1 (en) 1970-08-20
GB1188668A (en) 1970-04-22
AT278183B (en) 1970-01-26
DE1614295B2 (en) 1976-02-12
BE708387A (en) 1968-06-21
DK118414B (en) 1970-08-17
CH469346A (en) 1969-02-28
NO121225B (en) 1971-02-01
NL6618058A (en) 1968-06-24

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: PHILIPS