CH218215A - Method and device for uniformly charging a surface with electrons. - Google Patents

Method and device for uniformly charging a surface with electrons.

Info

Publication number
CH218215A
CH218215A CH218215DA CH218215A CH 218215 A CH218215 A CH 218215A CH 218215D A CH218215D A CH 218215DA CH 218215 A CH218215 A CH 218215A
Authority
CH
Switzerland
Prior art keywords
electrons
uniformly charging
charging
uniformly
Prior art date
Application number
Other languages
German (de)
Inventor
Gesellschaft Zur F Eidgenoessi
Original Assignee
Ges Foerderung Forschung Technische Physik Eth Zuerich
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 Ges Foerderung Forschung Technische Physik Eth Zuerich filed Critical Ges Foerderung Forschung Technische Physik Eth Zuerich
Publication of CH218215A publication Critical patent/CH218215A/en

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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/50—Plurality of guns or beams
    • H01J2229/507—Multi-beam groups, e.g. number of beams greater than number of cathodes
CH218215D 1941-01-29 1941-01-29 Method and device for uniformly charging a surface with electrons. CH218215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH553755X 1941-01-29

Publications (1)

Publication Number Publication Date
CH218215A true CH218215A (en) 1941-11-30

Family

ID=4519838

Family Applications (1)

Application Number Title Priority Date Filing Date
CH218215D CH218215A (en) 1941-01-29 1941-01-29 Method and device for uniformly charging a surface with electrons.

Country Status (3)

Country Link
CH (1) CH218215A (en)
FR (1) FR876915A (en)
GB (1) GB553755A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2456387A1 (en) * 1979-05-08 1980-12-05 Mitsubishi Electric Corp CATHODE RAY TUBE USED AS A LIGHT SOURCE

Also Published As

Publication number Publication date
GB553755A (en) 1943-06-03
FR876915A (en) 1942-11-23

Similar Documents

Publication Publication Date Title
CH219436A (en) Method and device for controlling the distance with frequency-modulated oscillations.
CH224999A (en) Procedure for marking magnetogram carriers.
CH217785A (en) Method and device for adjusting the exposure on a camera.
CH226802A (en) Device with a discharge tube for generating and amplifying ultrashort waves.
CH223635A (en) Device with a cathode ray tube.
CH218215A (en) Method and device for uniformly charging a surface with electrons.
FR881420A (en) Improvements to repair plasters for tire casings and to the processes for manufacturing them
CH225170A (en) Device for attaching templates to duplicators.
CH303841A (en) Method for the automatic generation of pulse and character sequences with random distribution.
CH253949A (en) Method and device for evaporation and distillation.
CH224997A (en) Calculating machine with a device for automatic deletion of the result and the revolution counter.
CH225267A (en) Device for illuminating a number disc.
CH243748A (en) Method and device for time modulation.
CH215988A (en) Device for mapping the intensity distribution of neutron beams with the aid of a luminous substance.
CH218892A (en) Method and device for baking paints.
CH256194A (en) Process for coating objects with a glaze.
CH225661A (en) Method and device for demagnetizing steel bodies.
FR887813A (en) Fitting for pipes and the like
AT180098B (en) Method and device for soot-free coating of rods or the like with a hard carbon layer
CH232843A (en) Pest control methods.
CH212823A (en) Method and device for manufacturing flycatchers.
CH246125A (en) Method and device for softening a partial area of an arch support.
CH226106A (en) Method and device for providing permanent magnet bodies with a preferred direction of magnetization.
CH231127A (en) Process for covering metal bodies with an insulating layer.
CH225249A (en) Method and device for carrying out nuclear reactions.