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
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2452919X | 1945-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477488A true BE477488A (sl) |
Family
ID=10907311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477488D BE477488A (sl) | 1945-08-28 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2452919A (sl) |
| BE (1) | BE477488A (sl) |
| FR (1) | FR936762A (sl) |
Families Citing this family (20)
| 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 |
| US2719243A (en) * | 1951-07-03 | 1955-09-27 | Du Mont Allen B Lab Inc | Electrostatic electron lens |
| US2627049A (en) * | 1951-07-03 | 1953-01-27 | Rauland Corp | Cathode-ray tube electrode |
| US2627047A (en) * | 1951-07-03 | 1953-01-27 | Rauland Corp | Cathode-ray tube electrode |
| 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 (sl) * | 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 (sl) * | 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 |
| WO2017192100A1 (en) * | 2016-05-06 | 2017-11-09 | National University Of Singapore | A corrector structure and a method for correcting aberration of an annular focused charged-particle beam |
Family Cites Families (4)
| 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 |
-
0
- BE BE477488D patent/BE477488A/xx unknown
-
1946
- 1946-05-09 US US668613A patent/US2452919A/en not_active Expired - Lifetime
- 1946-08-28 FR FR936762D patent/FR936762A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2452919A (en) | 1948-11-02 |
| FR936762A (fr) | 1948-07-29 |