DE69020610D1 - Kathode für eine elektrische Entladungsröhre. - Google Patents

Kathode für eine elektrische Entladungsröhre.

Info

Publication number: DE69020610D1
Authority: DE; Germany
Prior art keywords: cathode; electric discharge; discharge tube; tube; electric
Prior art date: 1989-04-03
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 - Fee Related

Application number

DE69020610T

Other languages

English (en)

Other versions

DE69020610T2 (de

Inventor

Petrus Jacobus Antonius Derks

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 Electronics 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.)

1989-04-03

Filing date

1990-03-28

Publication date

1995-08-10

1990-03-28 Application filed by Philips Electronics NV filed Critical Philips Electronics NV

1995-08-10 Application granted granted Critical

1995-08-10 Publication of DE69020610D1 publication Critical patent/DE69020610D1/de

1996-03-21 Publication of DE69020610T2 publication Critical patent/DE69020610T2/de

2010-03-29 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/26—Supports for the emissive material
- 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
- 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)

DE69020610T 1989-04-03 1990-03-28 Kathode für eine elektrische Entladungsröhre. Expired - Fee Related DE69020610T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8900806A NL8900806A (nl)	1989-04-03	1989-04-03	Kathode voor een elektrische ontladingsbuis.

Publications (2)

Publication Number	Publication Date
DE69020610D1 true DE69020610D1 (de)	1995-08-10
DE69020610T2 DE69020610T2 (de)	1996-03-21

Family

ID=19854400

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69020610T Expired - Fee Related DE69020610T2 (de)	1989-04-03	1990-03-28	Kathode für eine elektrische Entladungsröhre.

Country Status (6)

Country	Link
US (1)	US5030879A (de)
EP (1)	EP0391466B1 (de)
JP (1)	JPH02288044A (de)
CN (1)	CN1037880C (de)
DE (1)	DE69020610T2 (de)
NL (1)	NL8900806A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5218263A (en) *	1990-09-06	1993-06-08	Ceradyne, Inc.	High thermal efficiency dispenser-cathode and method of manufacture therefor
KR930004222B1 (ko) *	1991-03-22	1993-05-21	주식회사 금성사	음극선관용 전자총의 음극구조체
TW266301B (de) *	1991-09-19	1995-12-21	Philips Nv
ATE142367T1 (de) *	1992-12-17	1996-09-15	Philips Electronics Nv	Verfahren zum aushärten eines filmes
US5841219A (en) *	1993-09-22	1998-11-24	University Of Utah Research Foundation	Microminiature thermionic vacuum tube
KR100200661B1 (ko) *	1994-10-12	1999-06-15	손욱	전자관용 음극
US5982083A (en) *	1995-02-23	1999-11-09	Samsung Display Devices Co., Ltd.	Cathode for electron tube
US5955828A (en) *	1996-10-16	1999-09-21	University Of Utah Research Foundation	Thermionic optical emission device
FR2808377A1 (fr) *	2000-04-26	2001-11-02	Thomson Tubes & Displays	Cathode a oxydes pour tube a rayons cathodiques
WO2007033247A2 (en) *	2005-09-14	2007-03-22	Littelfuse, Inc.	Gas-filled surge arrester, activating compound, ignition stripes and method therefore
EP2148354B1 (de) *	2007-05-16	2014-09-24	Denki Kagaku Kogyo Kabushiki Kaisha	Elektronenquelle
CN114340124B (zh) *	2021-12-30	2024-02-27	中国科学院合肥物质科学研究院	一种钠离子发射体及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3958146A (en) *	1974-02-08	1976-05-18	Gte Sylvania Incorporated	Fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof
US4184100A (en) *	1977-03-29	1980-01-15	Tokyo Shibaura Electric Co., Ltd.	Indirectly-heated cathode device for electron tubes
JPS59149622A (ja) *	1983-02-08	1984-08-27	Toshiba Corp	酸化物陰極構体

1989
- 1989-04-03 NL NL8900806A patent/NL8900806A/nl not_active Application Discontinuation
1990
- 1990-03-28 EP EP90200733A patent/EP0391466B1/de not_active Expired - Lifetime
- 1990-03-28 DE DE69020610T patent/DE69020610T2/de not_active Expired - Fee Related
- 1990-03-30 US US07/503,333 patent/US5030879A/en not_active Expired - Fee Related
- 1990-03-31 CN CN90101880A patent/CN1037880C/zh not_active Expired - Fee Related
- 1990-04-02 JP JP2085065A patent/JPH02288044A/ja active Pending

Also Published As

Publication number	Publication date
DE69020610T2 (de)	1996-03-21
EP0391466B1 (de)	1995-07-05
NL8900806A (nl)	1990-11-01
CN1037880C (zh)	1998-03-25
US5030879A (en)	1991-07-09
JPH02288044A (ja)	1990-11-28
EP0391466A1 (de)	1990-10-10
CN1046245A (zh)	1990-10-17

Publication	Publication Date	Title
DE3689134D1 (de)	1993-11-11	Kathode für Elektronenröhre.
DE3679809D1 (de)	1991-07-18	Elektrische testspitze.
ATA89990A (de)	1994-08-15	Drehanode für eine röntgenröhre
DE3678397D1 (de)	1991-05-02	Elektrische frisierzange.
DE3482313D1 (de)	1990-06-28	Elektrische entladungsbearbeitungsmaschine.
DE69012514D1 (de)	1994-10-20	Verbinder für elektrische Teile.
DE3880794D1 (de)	1993-06-09	Scandatkathode.
DE69006331D1 (de)	1994-03-10	Hochspannungsverbinder für Röntgenstrahlenröhre.
DE3578615D1 (de)	1990-08-16	Elektrische lampe.
DE69016189D1 (de)	1995-03-02	Elektrische verbinder.
DE69020610D1 (de)	1995-08-10	Kathode für eine elektrische Entladungsröhre.
DE69007643D1 (de)	1994-05-05	Elektrische Lampe.
DE69022899D1 (de)	1995-11-16	Sammelschiene für elektrische Stromversorgung.
DE68918295D1 (de)	1994-10-27	Elektronenkollektor für eine Elektronenröhre.
DE69011571D1 (de)	1994-09-22	Oxidkathode.
DE3577668D1 (de)	1990-06-21	Stromquelle fuer elektrische entladungsbearbeitung.
NL7806744A (nl)	1978-12-29	Elektrische ontladingslamp.
DE69006603D1 (de)	1994-03-24	Schnellheizkathode für Hochleistungsvakuumröhren.
DE69008957D1 (de)	1994-06-23	Elektrische Lampe.
DE69026032D1 (de)	1996-04-25	Scandatkathode
DE69010241D1 (de)	1994-08-04	Scandatkathode.
DE3577160D1 (de)	1990-05-17	Elektrische lampe.
NL7811614A (nl)	1979-06-06	Elektrische ontladingsbuis.
DE69007438D1 (de)	1994-04-21	Kathodestrahlenrohrphosphor.
ATA101595A (de)	1997-08-15	Drehanode für eine röntgenröhre

Legal Events

Date	Code	Title	Description
1996-08-08	8364	No opposition during term of opposition
1999-12-16	8327	Change in the person/name/address of the patent owner	Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N
2003-04-03	8320	Willingness to grant licences declared (paragraph 23)
2004-01-15	8339	Ceased/non-payment of the annual fee