CA1091291A - Method of manufacturing a dispenser cathode and dispenser cathode manufactured according to said method - Google Patents

Method of manufacturing a dispenser cathode and dispenser cathode manufactured according to said method

Info

Publication number: CA1091291A
Authority: CA; Canada
Prior art keywords: molding; holder; metal foil; cathode; manufacturing
Prior art date: 1976-08-04
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

CA283,544A

Other languages

English (en)

French (fr)

Inventor

Adrianus Kuiper

Paulus R. Boelens

Jacob Blanken

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken 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.)

1976-08-04

Filing date

1977-07-26

Publication date

1980-12-09

1977-07-26 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1980-12-09 Application granted granted Critical

1980-12-09 Publication of CA1091291A publication Critical patent/CA1091291A/en

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 15
238000000034 method Methods 0.000 title abstract description 11
238000000465 moulding Methods 0.000 claims abstract description 68
239000011888 foil Substances 0.000 claims abstract description 26
229910052751 metal Inorganic materials 0.000 claims abstract description 21
239000002184 metal Substances 0.000 claims abstract description 21
238000003825 pressing Methods 0.000 claims abstract description 8
239000000463 material Substances 0.000 claims abstract description 4
238000005060 molding of refractory Methods 0.000 claims abstract 2
239000003870 refractory metal Substances 0.000 claims abstract 2
239000011148 porous material Substances 0.000 claims description 4
229910052721 tungsten Inorganic materials 0.000 claims description 4
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
229910052750 molybdenum Inorganic materials 0.000 claims description 3
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
239000010937 tungsten Substances 0.000 claims description 3
229910045601 alloy Inorganic materials 0.000 claims description 2
239000000956 alloy Substances 0.000 claims description 2
QKYBEKAEVQPNIN-UHFFFAOYSA-N barium(2+);oxido(oxo)alumane Chemical compound [Ba+2].[O-][Al]=O.[O-][Al]=O QKYBEKAEVQPNIN-UHFFFAOYSA-N 0.000 claims description 2
239000011733 molybdenum Substances 0.000 claims description 2
229910052715 tantalum Inorganic materials 0.000 claims description 2
QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims 1
229910052726 zirconium Inorganic materials 0.000 claims 1
238000005259 measurement Methods 0.000 description 3
239000007795 chemical reaction product Substances 0.000 description 2
238000010276 construction Methods 0.000 description 2
238000010894 electron beam technology Methods 0.000 description 2
238000001704 evaporation Methods 0.000 description 2
230000008020 evaporation Effects 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
150000004645 aluminates Chemical class 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
230000005012 migration Effects 0.000 description 1
238000013508 migration Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
239000006187 pill Substances 0.000 description 1
239000000843 powder Substances 0.000 description 1
239000000047 product Substances 0.000 description 1
239000004065 semiconductor Substances 0.000 description 1
238000004904 shortening Methods 0.000 description 1
238000010792 warming Methods 0.000 description 1
238000005303 weighing Methods 0.000 description 1
238000003466 welding Methods 0.000 description 1

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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/04—Cathodes
- 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)
Solid Thermionic Cathode (AREA)
Electrodes For Cathode-Ray Tubes (AREA)
Electrolytic Production Of Metals (AREA)
Powder Metallurgy (AREA)

CA283,544A 1976-08-04 1977-07-26 Method of manufacturing a dispenser cathode and dispenser cathode manufactured according to said method Expired CA1091291A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL7608642		1976-08-04
NL7608642A NL7608642A (nl)	1976-08-04	1976-08-04	Werkwijze voor de vervaardiging van een voor- raadkathode en voorraadkathode vervaardigd volgens die werkwijze.

Publications (1)

Publication Number	Publication Date
CA1091291A true CA1091291A (en)	1980-12-09

Family

ID=19826692

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA283,544A Expired CA1091291A (en)	1976-08-04	1977-07-26	Method of manufacturing a dispenser cathode and dispenser cathode manufactured according to said method

Country Status (13)

Country	Link
JP (1)	JPS5328365A (pl)
BE (1)	BE857406A (pl)
BR (1)	BR7705042A (pl)
CA (1)	CA1091291A (pl)
DD (1)	DD130604A5 (pl)
DE (1)	DE2733342C2 (pl)
ES (1)	ES461278A1 (pl)
FI (1)	FI772335A7 (pl)
FR (1)	FR2360983A1 (pl)
GB (1)	GB1583585A (pl)
IT (1)	IT1086053B (pl)
NL (1)	NL7608642A (pl)
PL (1)	PL123760B1 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7905542A (nl) *	1979-07-17	1981-01-20	Philips Nv	Naleveringskathode.
NL8105921A (nl) *	1981-12-31	1983-07-18	Philips Nv	Televisiekamerabuis.
DE3336489A1 (de) *	1983-10-07	1985-04-25	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Indirekt geheizte vorratskathode

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL222412A (pl) *	1956-12-15
NL112717C (pl) *	1959-01-22
US3160780A (en) *	1961-01-17	1964-12-08	Philips Corp	Indirectly heated cathode
NL6602973A (pl) *	1966-03-08	1967-09-11
DE1764260A1 (de) *	1968-05-04	1971-07-01	Telefunken Patent	Verfahren zum Herstellen einer Vorratskathode

1976
- 1976-08-04 NL NL7608642A patent/NL7608642A/xx not_active Application Discontinuation
1977
- 1977-07-23 DE DE2733342A patent/DE2733342C2/de not_active Expired
- 1977-07-26 CA CA283,544A patent/CA1091291A/en not_active Expired
- 1977-08-01 GB GB32204/77A patent/GB1583585A/en not_active Expired
- 1977-08-01 JP JP9151077A patent/JPS5328365A/ja active Granted
- 1977-08-01 PL PL1977199999A patent/PL123760B1/pl unknown
- 1977-08-01 IT IT26389/77A patent/IT1086053B/it active
- 1977-08-01 BR BR7705042A patent/BR7705042A/pt unknown
- 1977-08-01 FI FI772335A patent/FI772335A7/fi unknown
- 1977-08-02 ES ES461278A patent/ES461278A1/es not_active Expired
- 1977-08-02 BE BE179852A patent/BE857406A/xx unknown
- 1977-08-02 DD DD7700200406A patent/DD130604A5/xx unknown
- 1977-08-04 FR FR7724001A patent/FR2360983A1/fr active Granted

Also Published As

Publication number	Publication date
DE2733342C2 (de)	1986-05-15
DE2733342A1 (de)	1978-02-09
DD130604A5 (de)	1978-04-12
BR7705042A (pt)	1978-06-06
FR2360983B1 (pl)	1980-07-18
NL7608642A (nl)	1978-02-07
BE857406A (fr)	1978-02-02
PL199999A1 (pl)	1978-03-28
JPS5328365A (en)	1978-03-16
FR2360983A1 (fr)	1978-03-03
GB1583585A (en)	1981-01-28
IT1086053B (it)	1985-05-28
PL123760B1 (en)	1982-11-30
FI772335A7 (pl)	1978-02-05
JPS617697B2 (pl)	1986-03-08
ES461278A1 (es)	1978-05-01

Legal Events

Date	Code	Title	Description
1997-12-09	MKEX	Expiry

Publication	Publication Date	Title
US4625142A (en)	1986-11-25	Methods of manufacturing a dispenser cathode and dispenser cathode manufactured according to the method
US4400648A (en)	1983-08-23	Impregnated cathode
US5006753A (en)	1991-04-09	Scandate cathode exhibiting scandium segregation
JPS6191821A (ja)	1986-05-09	スカンジウムディスペンサ陰極の製造方法
US6304024B1 (en)	2001-10-16	Impregnated-type cathode substrate with large particle diameter low porosity region and small particle diameter high porosity region
US4675570A (en)	1987-06-23	Tungsten-iridium impregnated cathode
US4215457A (en)	1980-08-05	Rapid heating dispenser cathode in a holder and method of manufacturing the same
US4982133A (en)	1991-01-01	Dispenser cathode and manufacturing method therefor
JP2710700B2 (ja)	1998-02-10	含浸形陰極の製造法及びこの方法によって得られる陰極
US5064397A (en)	1991-11-12	Method of manufacturing scandate cathode with scandium oxide film
US6664733B2 (en)	2003-12-16	Electrode for discharge tube, and discharge tube using it
US4900285A (en)	1990-02-13	Method of manufacturing a dispenser cathode; dispenser cathode manufactured according to the method, and device incorporating such a cathode
KR920001334B1 (ko)	1992-02-10	디스펜서 음극
KR920003185B1 (ko)	1992-04-23	디스펜서형 음극 및 그 제조방법
JP2685232B2 (ja)	1997-12-03	スカンジウム系陰極の製造方法
GB1583585A (en)	1981-01-28	Dispenser cathode
EP1150334B1 (en)	2009-03-04	Electrode for discharge tube and discharge tube using it
KR820000244B1 (ko)	1982-03-08	분배기 음극의 제조방법
US3971110A (en)	1976-07-27	Method for fabricating an electron-emission cathode
EP0365647A1 (en)	1990-05-02	Expandable dispenser cathode
US5821683A (en)	1998-10-13	Cathode assembly having thermion emitter of cermet pallet
KR930008611B1 (ko)	1993-09-10	함침형 음극구조체와 그 제조방법
KR920004551B1 (ko)	1992-06-08	디스펜서 음극
JPS612226A (ja)	1986-01-08	含浸形陰極
KR920004552B1 (ko)	1992-06-08	디스펜서 음극