DE59605538D1 - Elektrische Entladungsröhre oder Entladungslampe und Scandat-Vorratskathode - Google Patents

Elektrische Entladungsröhre oder Entladungslampe und Scandat-Vorratskathode

Info

Publication number
DE59605538D1
DE59605538D1 DE59605538T DE59605538T DE59605538D1 DE 59605538 D1 DE59605538 D1 DE 59605538D1 DE 59605538 T DE59605538 T DE 59605538T DE 59605538 T DE59605538 T DE 59605538T DE 59605538 D1 DE59605538 D1 DE 59605538D1
Authority
DE
Germany
Prior art keywords
scandat
supply cathode
discharge lamp
electric discharge
discharge tube
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 - Lifetime
Application number
DE59605538T
Other languages
English (en)
Inventor
Dr Gaertner
Dr Geittner
Ernst Klein
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 Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Corporate Intellectual Property GmbH
Koninklijke 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.)
Filing date
Publication date
Application filed by Philips Corporate Intellectual Property GmbH, Koninklijke Philips Electronics NV filed Critical Philips Corporate Intellectual Property GmbH
Application granted granted Critical
Publication of DE59605538D1 publication Critical patent/DE59605538D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
DE59605538T 1995-07-31 1996-07-25 Elektrische Entladungsröhre oder Entladungslampe und Scandat-Vorratskathode Expired - Lifetime DE59605538D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19527723A DE19527723A1 (de) 1995-07-31 1995-07-31 Elektrische Entladungsröhre oder Entladungslampe und Scandat-Vorratskathode

Publications (1)

Publication Number Publication Date
DE59605538D1 true DE59605538D1 (de) 2000-08-10

Family

ID=7768092

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19527723A Withdrawn DE19527723A1 (de) 1995-07-31 1995-07-31 Elektrische Entladungsröhre oder Entladungslampe und Scandat-Vorratskathode
DE59605538T Expired - Lifetime DE59605538D1 (de) 1995-07-31 1996-07-25 Elektrische Entladungsröhre oder Entladungslampe und Scandat-Vorratskathode

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19527723A Withdrawn DE19527723A1 (de) 1995-07-31 1995-07-31 Elektrische Entladungsröhre oder Entladungslampe und Scandat-Vorratskathode

Country Status (4)

Country Link
US (1) US6348756B1 (de)
EP (1) EP0757370B1 (de)
JP (1) JP3957344B2 (de)
DE (2) DE19527723A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19828729B4 (de) * 1998-06-29 2010-07-15 Philips Intellectual Property & Standards Gmbh Scandat-Vorratskathode mit Barium-Calcium-Aluminat-Schichtabfolge und korrespondierende elektrische Entladungsröhre
DE19961672B4 (de) * 1999-12-21 2009-04-09 Philips Intellectual Property & Standards Gmbh Scandat-Vorratskathode
EP1232511B1 (de) * 2000-09-19 2007-08-15 Koninklijke Philips Electronics N.V. Oxidkathode
US7215070B2 (en) 2003-02-14 2007-05-08 Mapper Lithography Ip B.V. System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission
WO2006061774A1 (en) * 2004-12-09 2006-06-15 Philips Intellectual Property & Standards Gmbh Cathode for electron emission
US20090273269A1 (en) * 2004-12-21 2009-11-05 Koninklijke Philips Electronics, N.V. Scandate dispenser cathode
JP2009508320A (ja) * 2005-09-14 2009-02-26 リッテルフューズ，インコーポレイティド ガス入りサージアレスタ、活性化化合物、点火ストライプ及びその方法
JP2008204837A (ja) * 2007-02-21 2008-09-04 Sumitomo Electric Ind Ltd 冷陰極蛍光ランプ用電極
EP2739762A1 (de) * 2011-08-03 2014-06-11 Koninklijke Philips N.V. Target für eine barium-skandat-vorratskathode

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2050045A (en) * 1979-05-29 1980-12-31 Emi Varian Ltd Thermionic cathode
FR2494035A1 (fr) * 1980-11-07 1982-05-14 Thomson Csf Cathode thermo-electronique pour tube hyperfrequences et tube incorporant une telle cathode
NL8403032A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode, naleveringskathode vervaardigd met deze werkwijze.
US4904896A (en) * 1984-11-27 1990-02-27 Rca Licensing Corporation Vacuum electron tube having an oxide cathode comprising chromium reducing agent
JPS61183838A (ja) * 1985-02-08 1986-08-16 Hitachi Ltd 含浸形カソ−ド
DE3782543T2 (de) * 1986-06-06 1993-05-06 Toshiba Kawasaki Kk Impregnierte kathode.
JPS63224127A (ja) * 1987-03-11 1988-09-19 Hitachi Ltd 含浸形陰極
NL8702727A (nl) * 1987-11-16 1989-06-16 Philips Nv Scandaatkathode.
US4823044A (en) * 1988-02-10 1989-04-18 Ceradyne, Inc. Dispenser cathode and method of manufacture therefor
US5218263A (en) * 1990-09-06 1993-06-08 Ceradyne, Inc. High thermal efficiency dispenser-cathode and method of manufacture therefor
US5138224A (en) * 1990-12-04 1992-08-11 North American Philips Corporation Fluorescent low pressure discharge lamp having sintered electrodes
DE4142535A1 (de) * 1991-12-21 1993-06-24 Philips Patentverwaltung Scandat-kathode und verfahren zur ihrer herstellung
EP0641007A3 (de) * 1993-08-31 1995-06-21 Samsung Display Devices Co Ltd Direkt beheizte Vorratskathodenstruktur.

Also Published As

Publication number Publication date
JP3957344B2 (ja) 2007-08-15
US6348756B1 (en) 2002-02-19
EP0757370A1 (de) 1997-02-05
DE19527723A1 (de) 1997-02-06
EP0757370B1 (de) 2000-07-05
JPH09106751A (ja) 1997-04-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH, 20

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N