GB1464544A - - Google Patents

Info

Publication number
GB1464544A
GB1464544A GB2416873A GB2416873A GB1464544A GB 1464544 A GB1464544 A GB 1464544A GB 2416873 A GB2416873 A GB 2416873A GB 2416873 A GB2416873 A GB 2416873A GB 1464544 A GB1464544 A GB 1464544A
Authority
GB
United Kingdom
Prior art keywords
photocathode
image
window
electron
ray
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
GB2416873A
Other languages
English (en)
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
Priority to GB2416873A priority Critical patent/GB1464544A/en
Priority to BE1005960A priority patent/BE815093A/xx
Priority to DE19742424661 priority patent/DE2424661A1/de
Publication of GB1464544A publication Critical patent/GB1464544A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/05—Apparatus for electrographic processes using a charge pattern for imagewise charging, e.g. photoconductive control screen, optically activated charging means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/023—Electron guns using electron multiplication
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
GB2416873A 1973-05-21 1973-05-21 Expired GB1464544A (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2416873A GB1464544A (de) 1973-05-21 1973-05-21
BE1005960A BE815093A (nl) 1973-05-21 1974-05-16 Werkwijze voor het vervaardigen van ontwikkelbare elektrostatische ladingsbeelden
DE19742424661 DE2424661A1 (de) 1973-05-21 1974-05-21 Verfahren zur bildung von entwickelbaren elektrostatischen ladungsbildern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2416873A GB1464544A (de) 1973-05-21 1973-05-21

Publications (1)

Publication Number Publication Date
GB1464544A true GB1464544A (de) 1977-02-16

Family

ID=10207469

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2416873A Expired GB1464544A (de) 1973-05-21 1973-05-21

Country Status (3)

Country Link
BE (1) BE815093A (de)
DE (1) DE2424661A1 (de)
GB (1) GB1464544A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2843398A1 (de) * 2013-09-02 2015-03-04 Fenno-Aurum OY Elektronenquelle und Röntgenfluoreszenzanalysegerät unter Verwendung einer Elektronenquelle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187501A (en) * 1990-04-17 1993-02-16 Armstrong World Industries, Inc. Printing system
DE202014101211U1 (de) * 2014-03-17 2015-07-08 Proxivision Gmbh Neutronendetektor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2843398A1 (de) * 2013-09-02 2015-03-04 Fenno-Aurum OY Elektronenquelle und Röntgenfluoreszenzanalysegerät unter Verwendung einer Elektronenquelle

Also Published As

Publication number Publication date
BE815093A (nl) 1974-11-18
DE2424661A1 (de) 1974-12-12

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee