GB1159233A - Method of Manufacturing an Indirectly Heated Cathode - Google Patents

Method of Manufacturing an Indirectly Heated Cathode

Info

Publication number
GB1159233A
GB1159233A GB3245/68A GB324568A GB1159233A GB 1159233 A GB1159233 A GB 1159233A GB 3245/68 A GB3245/68 A GB 3245/68A GB 324568 A GB324568 A GB 324568A GB 1159233 A GB1159233 A GB 1159233A
Authority
GB
United Kingdom
Prior art keywords
support
holder
emissive material
suspension
heating element
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
GB3245/68A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1159233A publication Critical patent/GB1159233A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Solid Thermionic Cathode (AREA)
GB3245/68A 1967-01-25 1968-01-22 Method of Manufacturing an Indirectly Heated Cathode Expired GB1159233A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6701138A NL6701138A (fr) 1967-01-25 1967-01-25

Publications (1)

Publication Number Publication Date
GB1159233A true GB1159233A (en) 1969-07-23

Family

ID=19799112

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3245/68A Expired GB1159233A (en) 1967-01-25 1968-01-22 Method of Manufacturing an Indirectly Heated Cathode

Country Status (10)

Country Link
US (1) US3574910A (fr)
AT (1) AT276575B (fr)
BE (1) BE709773A (fr)
CH (1) CH470077A (fr)
DK (1) DK118299B (fr)
ES (1) ES349611A1 (fr)
FR (1) FR1555931A (fr)
GB (1) GB1159233A (fr)
NL (1) NL6701138A (fr)
SE (1) SE325341B (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117249A (en) * 1960-02-16 1964-01-07 Sperry Rand Corp Embedded heater cathode
NL274464A (fr) * 1961-02-07
AT265448B (de) * 1963-04-30 1968-10-10 Matsushita Electronics Corp Verfahren zur Herstellung flacher Kathoden für Elektronenröhren
DE1250013B (fr) * 1963-10-24

Also Published As

Publication number Publication date
CH470077A (de) 1969-03-15
BE709773A (fr) 1968-07-23
NL6701138A (fr) 1968-07-26
ES349611A1 (es) 1969-10-01
DE1614307A1 (de) 1970-07-09
US3574910A (en) 1971-04-13
SE325341B (fr) 1970-06-29
AT276575B (de) 1969-11-25
DE1614307B2 (de) 1976-01-02
FR1555931A (fr) 1969-01-31
DK118299B (da) 1970-08-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees