FR936762A - Perfectionnements aux systèmes d'optique électronique - Google Patents

Perfectionnements aux systèmes d'optique électronique

Info

Publication number
FR936762A
FR936762A FR936762DA FR936762A FR 936762 A FR936762 A FR 936762A FR 936762D A FR936762D A FR 936762DA FR 936762 A FR936762 A FR 936762A
Authority
FR
France
Prior art keywords
optical systems
electronic optical
electronic
systems
optical
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR936762A publication Critical patent/FR936762A/fr
Expired legal-status Critical Current

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
FR936762D 1945-08-28 1946-08-28 Perfectionnements aux systèmes d'optique électronique Expired FR936762A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR936762A true FR936762A (fr) 1948-07-29

Family

ID=10907311

Family Applications (1)

Application Number Title Priority Date Filing Date
FR936762D Expired FR936762A (fr) 1945-08-28 1946-08-28 Perfectionnements aux systèmes d'optique électronique

Country Status (3)

Country Link
US (1) US2452919A (fr)
BE (1) BE477488A (fr)
FR (1) FR936762A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976457A (en) * 1953-11-02 1961-03-21 Rca Corp Electron lens

Families Citing this family (19)

* 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
US2673305A (en) * 1951-05-31 1954-03-23 Rauland Corp Image-reproducing device
US2627043A (en) * 1951-07-03 1953-01-27 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
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 (fr) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976457A (en) * 1953-11-02 1961-03-21 Rca Corp Electron lens

Also Published As

Publication number Publication date
BE477488A (fr)
US2452919A (en) 1948-11-02

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