BE477488A - - Google Patents

Info

Publication number
BE477488A
BE477488A BE477488DA BE477488A BE 477488 A BE477488 A BE 477488A BE 477488D A BE477488D A BE 477488DA BE 477488 A BE477488 A BE 477488A
Authority
BE
Belgium
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.)
Publication of BE477488A publication Critical patent/BE477488A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • 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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • 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
BE477488D 1945-08-28 BE477488A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2452919X 1945-08-28

Publications (1)

Publication Number Publication Date
BE477488A true BE477488A (en:Method)

Family

ID=10907311

Family Applications (1)

Application Number Title Priority Date Filing Date
BE477488D BE477488A (en:Method) 1945-08-28

Country Status (3)

Country Link
US (1) US2452919A (en:Method)
BE (1) BE477488A (en:Method)
FR (1) FR936762A (en:Method)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619598A (en) * 1949-06-29 1952-11-25 Westinghouse Electric Corp Electron diffraction detecting system
US2760098A (en) * 1951-05-08 1956-08-21 Rca Corp Electrostatic focused gun for cathode ray tube
US2627043A (en) * 1951-07-03 1953-01-27 Rauland Corp Image-reproducing device
US2673305A (en) * 1951-05-31 1954-03-23 Rauland Corp Image-reproducing device
US2792515A (en) * 1951-06-22 1957-05-14 Thomas Electrics Inc Cathode ray tube
US2627047A (en) * 1951-07-03 1953-01-27 Rauland Corp Cathode-ray tube electrode
US2627049A (en) * 1951-07-03 1953-01-27 Rauland Corp Cathode-ray tube electrode
US2719243A (en) * 1951-07-03 1955-09-27 Du Mont Allen B Lab Inc Electrostatic electron lens
US2603550A (en) * 1951-07-12 1952-07-15 Philco Corp Method of aligning cathode-ray tube assemblies
GB730803A (en) * 1951-11-08 1955-06-01 Licentia Gmbh Improvements in and relating to x-ray tubes
US2658160A (en) * 1951-11-23 1953-11-03 Rauland Corp Image-reproducing device
US2849646A (en) * 1953-02-24 1958-08-26 Rauland Corp Color convergence system
NL192009A (en:Method) * 1953-11-02
US3035199A (en) * 1957-11-29 1962-05-15 Gen Dynamics Corp Lens deflection in the electro optical system of a cathode ray tube
DE1134769B (de) * 1959-08-22 1962-08-16 Zeiss Carl Fa Vorrichtung zur Kompensation des OEffnungsfehlers einer rotations-symmetrischen, raumladungsfreien elektronenoptischen Linse
US3201585A (en) * 1963-10-30 1965-08-17 Ballam Joseph Magnetic momentum analyzing slit with current conducting strips secured to the magnetic poles
NL7012387A (en:Method) * 1970-08-21 1972-02-23 Philips Nv
US3936693A (en) * 1972-10-02 1976-02-03 General Electric Company Two-aperture immersion lens
US4224523A (en) * 1978-12-18 1980-09-23 Xerox Corporation Electrostatic lens for ink jets
US20190096629A1 (en) * 2016-05-06 2019-03-28 National University Of Singapore A corrector structure and a method for correcting aberration of an annular focused charged-particle beam

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2090001A (en) * 1933-04-22 1937-08-17 Allg Elek Citatz Ges Friedrich Transversally controlled electron tube
US2243362A (en) * 1938-08-20 1941-05-27 Thomas W Sukumlyn Electron microscope system
US2305617A (en) * 1940-03-15 1942-12-22 Rca Corp Cathode ray tube and circuit
US2354287A (en) * 1942-04-20 1944-07-25 Rca Corp Dynamic method of correcting the spherical aberration of electron lenses

Also Published As

Publication number Publication date
FR936762A (fr) 1948-07-29
US2452919A (en) 1948-11-02

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