ES522416A0 - Un metodo de producir un catodo termoionico. - Google Patents

Un metodo de producir un catodo termoionico.

Info

Publication number: ES522416A0
Authority: ES; Spain
Prior art keywords: producing; thermal cathode; cathode; thermal
Prior art date: 1982-02-18
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.): Granted

Application number

ES522416A

Other languages

English (en)

Other versions

ES8403243A1 (es

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.)

1982-02-18

Filing date

1983-05-16

Publication date

1984-03-01

1983-05-16 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1984-03-01 Publication of ES522416A0 publication Critical patent/ES522416A0/es

1984-03-01 Publication of ES8403243A1 publication Critical patent/ES8403243A1/es

Status Expired legal-status Critical Current

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
- 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
- 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)
Chemical Vapour Deposition (AREA)
Polishing Bodies And Polishing Tools (AREA)
Solid Thermionic Cathode (AREA)

ES522416A 1982-02-18 1983-05-16 Un metodo de producir un catodo termoionico. Expired ES8403243A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19823205746 DE3205746A1 (de)	1982-02-18	1982-02-18	Thermionische kathode und verfahren zu ihrer herstellung

Publications (2)

Publication Number	Publication Date
ES522416A0 true ES522416A0 (es)	1984-03-01
ES8403243A1 ES8403243A1 (es)	1984-03-01

Family

ID=6156031

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
ES519829A Granted ES519829A0 (es)	1982-02-18	1983-02-16	Un catodo termoionico.
ES522416A Expired ES8403243A1 (es)	1982-02-18	1983-05-16	Un metodo de producir un catodo termoionico.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
ES519829A Granted ES519829A0 (es)	1982-02-18	1983-02-16	Un catodo termoionico.

Country Status (6)

Country	Link
US (1)	US4524297A (es)
EP (1)	EP0087826B1 (es)
JP (1)	JPS58155619A (es)
CA (1)	CA1194089A (es)
DE (2)	DE3205746A1 (es)
ES (2)	ES519829A0 (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3446334A1 (de) *	1984-12-19	1986-06-19	Philips Patentverwaltung Gmbh, 2000 Hamburg	Verfahren zur herstellung von <111>-vorzugsorientiertem wolfram
JPH0760641B2 (ja) *	1985-02-06	1995-06-28	新日本無線株式会社	マグネトロン用陰極
CA1272504A (en) *	1986-11-18	1990-08-07	Franz Prein	Surface for electric discharge
DE3723271A1 (de) *	1987-07-14	1989-01-26	Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh	Kathode fuer eine hochdruckentladungslampe
EP0681312B1 (en) *	1993-11-24	2003-02-26	TDK Corporation	Cold-cathode electron source element and method for producing the same
RU2194328C2 (ru) *	1998-05-19	2002-12-10	ООО "Высокие технологии"	Холодноэмиссионный пленочный катод и способ его получения
RU2149478C1 (ru) *	1999-04-13	2000-05-20	Аристова Ирина Яковлевна	Термоэмиссионный катод
US6815876B1 (en) *	1999-06-23	2004-11-09	Agere Systems Inc.	Cathode with improved work function and method for making the same
TW498382B (en) *	2000-05-11	2002-08-11	Matsushita Electric Industrial Co Ltd	Electron releasing membrane, plasma display panel using the electron releasing membrane, and production method thereof
KR100442300B1 (ko) *	2002-01-04	2004-07-30	엘지.필립스디스플레이(주)	음극선관용 음극
WO2007033247A2 (en) *	2005-09-14	2007-03-22	Littelfuse, Inc.	Gas-filled surge arrester, activating compound, ignition stripes and method therefore
CN101779265B (zh) *	2007-07-24	2013-01-02	皇家飞利浦电子股份有限公司	热电子发射器、制备其的方法和包括其的x射线源
DE102015211235B4 (de)	2015-06-18	2023-03-23	Siemens Healthcare Gmbh	Emitter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2339392A (en) *	1942-10-06	1944-01-18	Rca Corp	Cathode
FR1150153A (fr) *	1953-08-01	1958-01-08	France Etat	Cathodes thermoémissives pour tubes électroniques à support de rhénium
US2878409A (en) *	1957-04-29	1959-03-17	Philips Corp	Dispenser-type cathode and method of making
US3290543A (en) *	1963-06-03	1966-12-06	Varian Associates	Grain oriented dispenser thermionic emitter for electron discharge device
GB1137124A (en) *	1964-12-23	1968-12-18	Nat Res Dev	Thermionic electron emitter
SU439028A1 (ru) *	1972-08-08	1974-08-05	Е. И. Давыдова, А. Д. Карпенко , В. А. Шишкин	Способ изготовлени автоэлектронных катодов
SU510760A1 (ru) *	1974-09-09	1976-04-15	Организация П/Я Х-5263	Катод
CH579824A5 (es) *	1974-10-25	1976-09-15	Bbc Brown Boveri & Cie
US4019081A (en) *	1974-10-25	1977-04-19	Bbc Brown Boveri & Company Limited	Reaction cathode
NL165880C (nl) *	1975-02-21	1981-05-15	Philips Nv	Naleveringskathode.

1982
- 1982-02-18 DE DE19823205746 patent/DE3205746A1/de not_active Withdrawn
- 1982-09-13 US US06/416,840 patent/US4524297A/en not_active Expired - Fee Related
1983
- 1983-01-27 EP EP83200139A patent/EP0087826B1/de not_active Expired
- 1983-01-27 DE DE8383200139T patent/DE3365755D1/de not_active Expired
- 1983-02-16 ES ES519829A patent/ES519829A0/es active Granted
- 1983-02-17 CA CA000421800A patent/CA1194089A/en not_active Expired
- 1983-02-18 JP JP58026115A patent/JPS58155619A/ja active Granted
- 1983-05-16 ES ES522416A patent/ES8403243A1/es not_active Expired

Also Published As

Publication number	Publication date
CA1194089A (en)	1985-09-24
JPH0447936B2 (es)	1992-08-05
ES8401674A1 (es)	1983-12-01
ES8403243A1 (es)	1984-03-01
DE3205746A1 (de)	1983-08-25
DE3365755D1 (en)	1986-10-09
EP0087826A3 (en)	1984-06-13
US4524297A (en)	1985-06-18
EP0087826A2 (de)	1983-09-07
EP0087826B1 (de)	1986-09-03
ES519829A0 (es)	1983-12-01
JPS58155619A (ja)	1983-09-16

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Legal Events

Date	Code	Title	Description
2001-05-16	FD1A	Patent lapsed	Effective date: 20010402