NL7901541A - Direkt-verhit kathodestelsel. - Google Patents

Direkt-verhit kathodestelsel.

Info

Publication number: NL7901541A
Authority: NL; Netherlands
Prior art keywords: cathody; heated; direct; heated cathody; cathody system
Prior art date: 1978-05-02

Application number

NL7901541A

Other languages

English (en)

Original Assignee

Hitachi Ltd

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.)

1978-05-02

Filing date

1979-02-27

Publication date

1979-11-06

1979-02-27 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1979-11-06 Publication of NL7901541A publication Critical patent/NL7901541A/nl

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
- H01J1/15—Cathodes heated directly by an electric current
- 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

NL7901541A 1978-05-02 1979-02-27 Direkt-verhit kathodestelsel. NL7901541A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP5292678A JPS54144170A (en)	1978-05-02	1978-05-02	Cathode constituent of direct heating type

Publications (1)

Publication Number	Publication Date
NL7901541A true NL7901541A (nl)	1979-11-06

Family

ID=12928431

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7901541A NL7901541A (nl)	1978-05-02	1979-02-27	Direkt-verhit kathodestelsel.

Country Status (6)

Country	Link
US (1)	US4251746A (nl)
JP (1)	JPS54144170A (nl)
DE (1)	DE2907766A1 (nl)
FI (1)	FI790659A (nl)
GB (1)	GB2020891B (nl)
NL (1)	NL7901541A (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8100928A (nl) *	1981-02-26	1982-09-16	Philips Nv	Oxydkathode.
DE3534793A1 (de) *	1985-09-30	1987-04-02	Leybold Heraeus Gmbh & Co Kg	Einspannvorrichtung fuer spiralfoermige drahtkatoden
US4789807A (en) *	1987-08-31	1988-12-06	Rca Licensing Corp.	Electron gun assembly having a reinforced heater tab
US4931691A (en) *	1988-08-30	1990-06-05	Rca Licensing Corp.	Electron gun assembly having a reinforced heater tab with locating means
WO1996039709A1 (en) *	1995-06-05	1996-12-12	Ceradyne, Inc.	Directly heated dispenser cathode and method of manufacture therefor
AU2430601A (en) *	1999-12-13	2001-06-18	Semequip, Inc.	Ion implantation ion source, system and method
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
JP7573457B2 (ja) *	2021-02-25	2024-10-25	株式会社ニューフレアテクノロジー	電子銃の陰極機構、電子銃、及び電子ビーム描画装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2677778A (en) *	1952-03-31	1954-05-04	Atomic Energy Commission	Linear cathode
US3263115A (en) *	1962-05-23	1966-07-26	Gen Electric	Dispenser cathode and method of manufacture
US3541382A (en) *	1967-12-11	1970-11-17	Tokyo Shibaura Electric Co	Direct heated cathode member for an electron tube
JPS536560A (en) *	1976-07-07	1978-01-21	Hitachi Ltd	Manufacture of cathode for direct heating type cathode ray tube
US4082938A (en) *	1977-05-10	1978-04-04	Igor Vladimirovich Shergov	Thermionic heater cathode assembly of electron-beam gun
US4150318A (en) *	1978-04-17	1979-04-17	Gte Sylvania Incorporated	Low mass, indirectly heated, fast warm-up heater-cathode assembly

1978
- 1978-05-02 JP JP5292678A patent/JPS54144170A/ja active Pending
1979
- 1979-02-27 US US06/015,620 patent/US4251746A/en not_active Expired - Lifetime
- 1979-02-27 NL NL7901541A patent/NL7901541A/nl not_active Application Discontinuation
- 1979-02-27 FI FI790659A patent/FI790659A/fi not_active Application Discontinuation
- 1979-02-27 GB GB7906951A patent/GB2020891B/en not_active Expired
- 1979-02-28 DE DE19792907766 patent/DE2907766A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
JPS54144170A (en)	1979-11-10
FI790659A (fi)	1979-11-03
GB2020891B (en)	1982-04-07
US4251746A (en)	1981-02-17
DE2907766A1 (de)	1979-11-08
GB2020891A (en)	1979-11-21

Publication	Publication Date	Title
NO150791C (no)	1984-12-19	Marint stigeroersystem.
FI782916A (fi)	1979-12-31	Tubformningsfoerfarande.
NL7902653A (nl)	1979-10-12	Draaistel-veerstelsel.
FI841359A0 (fi)	1984-04-05	Fenyl-kinolizidiner.
NL7812668A (nl)	1979-07-05	Lasergyroscoopstelsel.
NO142229C (no)	1980-07-16	Profilsystem.
NL7901541A (nl)	1979-11-06	Direkt-verhit kathodestelsel.
NL7812634A (nl)	1979-07-05	Konstruktiestelsel.
DK429179A (da)	1980-04-14	2-propyl-pent-4-en-1-al.
FI77070B (fi)	1988-09-30	Duscharmatur.
IT7825291A0 (it)	1978-07-04	Monodensostato.
ES236267Y (es)	1978-11-16	Vaso-garrafa.
ES239255Y (es)	1979-06-01	Mesa-barbacoa.
ES237628Y (es)	1979-04-01	Motoazada.
ES237578Y (es)	1979-04-16	Frotador-abrillantador.
ES237373Y (es)	1979-05-01	Porta-esquies.
ES236859Y (es)	1985-01-16	Caja - embalaje.
ES236858Y (es)	1979-01-16	Caja-embalaje.
ES236556Y (es)	1979-01-01	Expositor-expendedor.
ES236321Y (es)	1978-11-16	Interruptor-conmutador.
ES238454Y (es)	1979-04-01	Servilleta-mantel.
ES235903Y (es)	1978-12-01	Lingoton.
ES235624Y (es)	1978-11-01	Remolque-mueble.
ES235545Y (es)	1978-11-01	Cuna-parque.
ES235478Y (es)	1978-11-01	Cuezo.

Legal Events

Date	Code	Title
1979-11-26	A1A	A request for search or an international-type search has been filed
1980-03-25	BB	A search report has been drawn up
1985-01-01	A85	Still pending on 85-01-01
1986-04-01	BV	The patent application has lapsed