GB771504A - Photoelectric cathode - Google Patents

Photoelectric cathode

Info

Publication number
GB771504A
GB771504A GB513855A GB513855A GB771504A GB 771504 A GB771504 A GB 771504A GB 513855 A GB513855 A GB 513855A GB 513855 A GB513855 A GB 513855A GB 771504 A GB771504 A GB 771504A
Authority
GB
United Kingdom
Prior art keywords
potassium
sodium
antimony
sensitivity
caesium
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
Application number
GB513855A
Other languages
English (en)
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
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of GB771504A publication Critical patent/GB771504A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36—Photoelectric screens; Charge-storage screens
    • H01J29/38—Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
    • H01J40/06—Photo-emissive cathodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Landscapes

  • Glass Compositions (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
GB513855A 1954-03-08 1955-02-21 Photoelectric cathode Expired GB771504A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US771504XA 1954-03-08 1954-03-08
US1119477XA 1954-03-08 1954-03-08
US41456354 US2770561A (en) 1954-03-08 1954-03-08 Photoelectric cathode and method of producing same

Publications (1)

Publication Number Publication Date
GB771504A true GB771504A (en) 1957-04-03

Family

ID=27373036

Family Applications (1)

Application Number Title Priority Date Filing Date
GB513855A Expired GB771504A (en) 1954-03-08 1955-02-21 Photoelectric cathode

Country Status (3)

Country Link
US (1) US2770561A (enrdf_load_stackoverflow)
BE (1) BE536298A (enrdf_load_stackoverflow)
GB (1) GB771504A (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE553132A (enrdf_load_stackoverflow) * 1955-12-05
US2977252A (en) * 1955-12-21 1961-03-28 Schlumberger Well Surv Corp Photosurface and method of making same
GB892504A (en) * 1957-06-26 1962-03-28 Emi Ltd Improvements in or relating to a method of forming a photoemissive surface
NL233704A (enrdf_load_stackoverflow) * 1957-12-06
US3434876A (en) * 1965-11-23 1969-03-25 Rca Corp Photosensitive cathodes
US3703155A (en) * 1969-10-13 1972-11-21 John P Choisser Apparatus for photocathode processing
US3658400A (en) * 1970-03-02 1972-04-25 Rca Corp Method of making a multialkali photocathode with improved sensitivity to infrared light and a photocathode made thereby
US3753023A (en) * 1971-12-03 1973-08-14 Rca Corp Electron emissive device incorporating a secondary electron emitting material of antimony activated with potassium and cesium
US4196257A (en) * 1978-07-20 1980-04-01 Rca Corporation Bi-alkali telluride photocathode
US4357368A (en) * 1978-12-26 1982-11-02 Rca Corporation Method of making a photosensitive electrode and a photosensitive electrode made thereby
US4306188A (en) * 1979-10-30 1981-12-15 Rca Corporation Photomultiplier tube having a photocurrent collector
US4305972A (en) * 1980-06-30 1981-12-15 Rca Corporation Method for expeditiously processing a sodium-potassium-cesium-antimony photocathode
US4407857A (en) * 1981-06-30 1983-10-04 Rca Corporation Method for processing a lithium-sodium-antimony photocathode
US4568567A (en) * 1984-10-09 1986-02-04 Rca Corporation Method of removing trace quantities of alkali metal impurities from a bialkali-antimonide photoemissive cathode
US8017176B2 (en) * 2008-01-25 2011-09-13 Mulhollan Gregory A Robust activation method for negative electron affinity photocathodes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218340A (en) * 1937-10-13 1940-10-15 Fides Gmbh Photoelectric tube
US2192418A (en) * 1938-12-15 1940-03-05 Baird Television Ltd Method of manufacturing photoelectrically sensitive layers
US2401736A (en) * 1942-01-06 1946-06-11 Rca Corp Phototube and method of manufacture

Also Published As

Publication number Publication date
US2770561A (en) 1956-11-13
BE536298A (enrdf_load_stackoverflow) 1900-01-01

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