GB1538738A - Electron emissive electrode - Google Patents

Electron emissive electrode

Info

Publication number: GB1538738A
Authority: GB; United Kingdom
Prior art keywords: electron emissive; emissive electrode; electrode; electron; emissive
Prior art date: 1976-04-05
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

Application number

GB1442277A

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.)

RCA Corp

Original Assignee

RCA Corp

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.)

1976-04-05

Filing date

1977-04-05

Publication date

1979-01-24

1977-04-05 Application filed by RCA Corp filed Critical RCA Corp

1979-01-24 Publication of GB1538738A publication Critical patent/GB1538738A/en

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
- H01J1/34—Photo-emissive 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
- H01J1/32—Secondary-electron-emitting electrodes
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/34—Photoemissive electrodes
- H01J2201/342—Cathodes
- H01J2201/3421—Composition of the emitting surface
- H01J2201/3423—Semiconductors, e.g. GaAs, NEA emitters

GB1442277A 1976-04-05 1977-04-05 Electron emissive electrode Expired GB1538738A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US67398776A	1976-04-05	1976-04-05

Publications (1)

Publication Number	Publication Date
GB1538738A true GB1538738A (en)	1979-01-24

Family

ID=24704887

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB1442277A Expired GB1538738A (en)	1976-04-05	1977-04-05	Electron emissive electrode

Country Status (3)

Country	Link
JP (1)	JPS52122463A (en)
DE (1)	DE2714714A1 (en)
GB (1)	GB1538738A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2170648A (en) *	1985-02-01	1986-08-06	Raytheon Co	Secondary emission cathode
EP0257528A1 (en) *	1986-08-18	1988-03-02	Fujitsu Limited	Photo cathodes for electron image projection

1977
- 1977-04-01 JP JP3802277A patent/JPS52122463A/en active Pending
- 1977-04-01 DE DE19772714714 patent/DE2714714A1/en not_active Withdrawn
- 1977-04-05 GB GB1442277A patent/GB1538738A/en not_active Expired

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2170648A (en) *	1985-02-01	1986-08-06	Raytheon Co	Secondary emission cathode
US4677342A (en) *	1985-02-01	1987-06-30	Raytheon Company	Semiconductor secondary emission cathode and tube
GB2170648B (en) *	1985-02-01	1989-07-26	Raytheon Co	Crossed-field tube
EP0257528A1 (en) *	1986-08-18	1988-03-02	Fujitsu Limited	Photo cathodes for electron image projection

Also Published As

Publication number	Publication date
JPS52122463A (en)	1977-10-14
DE2714714A1 (en)	1977-10-13

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Legal Events

Date	Code	Title	Description
1979-04-25	PS	Patent sealed
1981-11-11	PCNP	Patent ceased through non-payment of renewal fee