CA998461A - Transmission photocathodes - Google Patents

Transmission photocathodes

Info

Publication number: CA998461A
Authority: CA; Canada
Prior art keywords: photocathodes; transmission; transmission photocathodes
Prior art date: 1971-08-11
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

CA149,114A

Inventor

David R. Wight

Michael C. Rowland

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.)

UK Secretary of State for Defence

Original Assignee

UK Secretary of State for Defence

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.)

1971-08-11

Filing date

1972-08-10

Publication date

1976-10-12

1972-08-10 Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence

1976-10-12 Application granted granted Critical

1976-10-12 Publication of CA998461A publication Critical patent/CA998461A/en

Status Expired legal-status Critical Current

Classifications

- 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
- H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
- 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
- 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

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Light Receiving Elements (AREA)
Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)

CA149,114A 1971-08-11 1972-08-10 Transmission photocathodes Expired CA998461A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3779071		1971-08-11

Publications (1)

Publication Number	Publication Date
CA998461A true CA998461A (en)	1976-10-12

Family

ID=10399020

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA149,114A Expired CA998461A (en)	1971-08-11	1972-08-10	Transmission photocathodes

Country Status (6)

Country	Link
JP (1)	JPS4829369A (en)
CA (1)	CA998461A (en)
DE (1)	DE2239417A1 (en)
FR (1)	FR2148599B1 (en)
GB (1)	GB1342005A (en)
NL (1)	NL7210987A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4019082A (en) *	1975-03-24	1977-04-19	Rca Corporation	Electron emitting device and method of making the same
JPS58158808A (en) *	1982-03-15	1983-09-21	三菱電機株式会社	Electrodeposition insulating device

1971
- 1971-08-11 GB GB1342005D patent/GB1342005A/en not_active Expired
1972
- 1972-08-10 FR FR7228921A patent/FR2148599B1/fr not_active Expired
- 1972-08-10 DE DE19722239417 patent/DE2239417A1/en active Pending
- 1972-08-10 CA CA149,114A patent/CA998461A/en not_active Expired
- 1972-08-11 NL NL7210987A patent/NL7210987A/xx not_active Application Discontinuation
- 1972-08-11 JP JP8065472A patent/JPS4829369A/ja active Pending

Also Published As

Publication number	Publication date
GB1342005A (en)	1973-12-25
FR2148599B1 (en)	1978-04-28
NL7210987A (en)	1973-02-13
FR2148599A1 (en)	1973-03-23
DE2239417A1 (en)	1973-02-15
JPS4829369A (en)	1973-04-18

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