FR1566326A - - Google Patents

Info

Publication number
FR1566326A
FR1566326A FR1566326DA FR1566326A FR 1566326 A FR1566326 A FR 1566326A FR 1566326D A FR1566326D A FR 1566326DA FR 1566326 A FR1566326 A FR 1566326A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1566326A publication Critical patent/FR1566326A/fr
Expired legal-status Critical Current

Links

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
    • H01J2201/3426—Alkaline metal compounds, e.g. Na-K-Sb

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
FR1566326D 1967-02-03 1968-02-01 Expired FR1566326A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61387767A 1967-02-03 1967-02-03

Publications (1)

Publication Number Publication Date
FR1566326A true FR1566326A (fr) 1969-05-09

Family

ID=24459026

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1566326D Expired FR1566326A (fr) 1967-02-03 1968-02-01

Country Status (5)

Country Link
US (1) US3498834A (fr)
BE (1) BE710291A (fr)
DE (1) DE1639219A1 (fr)
FR (1) FR1566326A (fr)
GB (1) GB1197372A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627575A (en) * 1968-11-13 1971-12-14 Columbia Broadcasting Syst Inc Process for forming photoemissive surfaces
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
CA1011192A (en) * 1972-12-11 1977-05-31 Rca Corporation Method of making a multialkali electron-emissive layer
US4339469A (en) * 1979-11-29 1982-07-13 Rca Corporation Method of making potassium, cesium, rubidium, antimony photocathode
US4305972A (en) * 1980-06-30 1981-12-15 Rca Corporation Method for expeditiously processing a sodium-potassium-cesium-antimony photocathode
US4710675A (en) * 1985-04-29 1987-12-01 Sangamo Weston, Inc. Solid dynode structure for photomultiplier
JP2758529B2 (ja) * 1992-04-22 1998-05-28 浜松ホトニクス株式会社 反射型光電面および光電子増倍管
JP3518880B2 (ja) * 1992-06-11 2004-04-12 浜松ホトニクス株式会社 反射型アルカリ光電面および光電子増倍管
US5633562A (en) * 1993-02-02 1997-05-27 Hamamatsu Photonics K.K. Reflection mode alkali photocathode, and photomultiplier using the same
CN113512470A (zh) * 2021-03-31 2021-10-19 杭州安誉科技有限公司 光电倍增管用光电阴极及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US23131A (en) * 1859-03-01 Improved water-meter
NL212695A (fr) * 1955-12-05
US2977252A (en) * 1955-12-21 1961-03-28 Schlumberger Well Surv Corp Photosurface and method of making same
NL233704A (fr) * 1957-12-06

Also Published As

Publication number Publication date
DE1639219A1 (de) 1971-01-14
US3498834A (en) 1970-03-03
GB1197372A (en) 1970-07-01
BE710291A (fr) 1968-06-17

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Legal Events

Date Code Title Description
ST Notification of lapse