AU2002222635A1 - Indirectly heated electrode for gas discharge tube - Google Patents

Indirectly heated electrode for gas discharge tube

Info

Publication number: AU2002222635A1
Authority: AU; Australia
Prior art keywords: gas discharge; discharge tube; indirectly heated; heated electrode; electrode
Prior art date: 2000-12-13
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.): Abandoned

Application number

AU2002222635A

Inventor

Koji Kawai

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.)

Hamamatsu Photonics KK

Original Assignee

Hamamatsu Photonics KK

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.)

2000-12-13

Filing date

2001-12-13

Publication date

2002-06-24

2001-12-13 Application filed by Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK

2002-06-24 Publication of AU2002222635A1 publication Critical patent/AU2002222635A1/en

Status Abandoned 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
- H01J1/24—Insulating layer or body located between heater and 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
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/063—Indirectly heated cathodes, e.g. by the discharge itself

AU2002222635A 2000-12-13 2001-12-13 Indirectly heated electrode for gas discharge tube Abandoned AU2002222635A1 (en)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
JP2000-379369		2000-12-13
JP2000-379360		2000-12-13
JP2000379369		2000-12-13
JP2000379360		2000-12-13
PCT/JP2001/010941 WO2002049071A1 (en)	2000-12-13	2001-12-13	Indirectly heated electrode for gas discharge tube

Publications (1)

Publication Number	Publication Date
AU2002222635A1 true AU2002222635A1 (en)	2002-06-24

Family

ID=26605780

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2002222635A Abandoned AU2002222635A1 (en)	2000-12-13	2001-12-13	Indirectly heated electrode for gas discharge tube

Country Status (6)

Country	Link
US (1)	US7218047B2 (en)
EP (1)	EP1351275A4 (en)
JP (1)	JP3987436B2 (en)
CN (1)	CN1266734C (en)
AU (1)	AU2002222635A1 (en)
WO (1)	WO2002049071A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2002049070A1 (en) *	2000-12-13	2002-06-20	Hamamatsu Photonics K.K.	Indirectly heated electrode for gas discharge tube, gas discharge tube with this, and its operating device
JP4993843B2 (en) *	2003-12-08	2012-08-08	エルジーディスプレイカンパニーリミテッド	Flat fluorescent lamp
US7791047B2 (en) *	2003-12-12	2010-09-07	Semequip, Inc.	Method and apparatus for extracting ions from an ion source for use in ion implantation
JP4545453B2 (en)	2004-01-26	2010-09-15	エルジーディスプレイカンパニーリミテッド	How to turn on a flat fluorescent lamp
TW200626019A (en) *	2005-01-06	2006-07-16	Jim S Powell	Heating system for light emitting device and method thereof

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE379240A (en) *	1930-04-29
GB444737A (en)	1934-08-10	1936-03-26	British Thomson Houston Co Ltd	Improvements in and relating to thermionic electron emissive electrodes for gas or vapour electric discharge devices
US2107945A (en) *	1934-11-20	1938-02-08	Gen Electric	Cathode structure
US3003077A (en) *	1953-07-10	1961-10-03	Sylvania Electric Prod	Discharge lamp cathode
GB766881A (en) *	1953-10-14	1957-01-30	British Thomson Houston Co Ltd	Improvements relating to cathodes for high power valves
US3662211A (en) *	1961-03-15	1972-05-09	Gen Electric	Cathode construction
GB1006423A (en) *	1961-04-27	1965-09-29	Sylvania Electric Prod	Fast warm-up cathode assembly
BE785860A (en) *	1971-07-06	1973-01-05	Gen Electric	FILAMENT ELECTRODE AND PROCESS FOR THE MANUFACTURE OF THE SAME
JPS57147860A (en)	1981-03-06	1982-09-11	Hamamatsu Tv Kk	Cathode for gas discharge tube
FR2583843B1 (en)	1985-06-24	1989-07-28	Skf Cie Applic Mecanique	SPRING FOR A FREEWHEEL DEVICE AND ASSEMBLY COMPRISING SUCH A SPRING
JPS6329439A (en) *	1986-07-23	1988-02-08	Hitachi Ltd	Low-pressure discharge lamp
JPH01206537A (en) *	1988-02-13	1989-08-18	Futaba Denshi Kk	Indirectly heated cathode and fluorescent luminous device using same
JPH02181352A (en) *	1989-01-06	1990-07-16	Hitachi Ltd	Low pressure discharge lamp
JP2862887B2 (en) *	1989-02-21	1999-03-03	浜松ホトニクス株式会社	Gas discharge tube drive circuit
JP2741235B2 (en) *	1989-02-21	1998-04-15	浜松ホトニクス株式会社	Indirectly heated cathode of deuterium discharge tube
JPH04306550A (en) *	1990-06-15	1992-10-29	Hitachi Ltd	Deuterium discharge tube
JPH04357659A (en) *	1991-02-05	1992-12-10	Hamamatsu Photonics Kk	Discharge tube
JPH04292829A (en) *	1991-03-20	1992-10-16	Futaba Corp	Indirectly-heated cathode
JPH04315761A (en) *	1991-04-15	1992-11-06	Hitachi Ltd	Deuterium electric discharge lamp
US5864209A (en) *	1996-10-30	1999-01-26	Imaging & Sensing Technology Corporation	Cathode filament for an ultra-violet discharge lamp
WO2002049070A1 (en) *	2000-12-13	2002-06-20	Hamamatsu Photonics K.K.	Indirectly heated electrode for gas discharge tube, gas discharge tube with this, and its operating device

2001
- 2001-12-13 AU AU2002222635A patent/AU2002222635A1/en not_active Abandoned
- 2001-12-13 CN CN01820581.XA patent/CN1266734C/en not_active Expired - Fee Related
- 2001-12-13 US US10/433,946 patent/US7218047B2/en not_active Expired - Fee Related
- 2001-12-13 JP JP2002550287A patent/JP3987436B2/en not_active Expired - Lifetime
- 2001-12-13 WO PCT/JP2001/010941 patent/WO2002049071A1/en active Application Filing
- 2001-12-13 EP EP01270235A patent/EP1351275A4/en not_active Withdrawn

Also Published As

Publication number	Publication date
JPWO2002049071A1 (en)	2004-04-15
EP1351275A4 (en)	2008-01-09
JP3987436B2 (en)	2007-10-10
CN1481576A (en)	2004-03-10
WO2002049071A1 (en)	2002-06-20
EP1351275A1 (en)	2003-10-08
CN1266734C (en)	2006-07-26
US20040051435A1 (en)	2004-03-18
US7218047B2 (en)	2007-05-15

Publication	Publication Date	Title
AU2002214292A1 (en)	2002-08-01	Gas discharge tube
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AU2002222635A1 (en)	2002-06-24	Indirectly heated electrode for gas discharge tube
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AU2002221137A1 (en)	2002-06-24	Directly heated electrode for gas discharge tube
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