NL242894A - - Google Patents
Info
- Publication number
- NL242894A NL242894A NL242894DA NL242894A NL 242894 A NL242894 A NL 242894A NL 242894D A NL242894D A NL 242894DA NL 242894 A NL242894 A NL 242894A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H01J37/153—Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators
-
- 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
- H01J37/065—Construction of guns or parts thereof
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEZ6840A DE1133838B (en) | 1958-09-06 | 1958-09-06 | Beam source for generating a high-intensity electron beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL242894A true NL242894A (en) |
Family
ID=7619912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL242894D NL242894A (en) | 1958-09-06 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3071707A (en) |
| CH (1) | CH373488A (en) |
| DE (1) | DE1133838B (en) |
| FR (1) | FR1233328A (en) |
| GB (1) | GB854277A (en) |
| NL (1) | NL242894A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1215820B (en) * | 1962-08-31 | 1966-05-05 | Telefunken Patent | Cathode ray tube with a multi-electrode beam generation system |
| DE1216455B (en) * | 1964-03-25 | 1966-05-12 | Siemens Ag | Method for aligning the field axis of an electron-optical lens, in particular in a stigmator assigned to an electron microscope, and arrangement for carrying out the method |
| US3504211A (en) * | 1965-05-12 | 1970-03-31 | Hitachi Ltd | Electron beam control device for use with a cathode ray tube for dynamic correction of electron beam astigmatism and defocusing |
| DE3123301C2 (en) * | 1981-06-12 | 1985-08-08 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Device for adjusting electron beams from a cathode ray tube |
| US11483919B2 (en) * | 2019-03-27 | 2022-10-25 | Huazhong University Of Science And Technology | System of electron irradiation |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1981245A (en) * | 1924-02-20 | 1934-11-20 | Westinghouse Electric & Mfg Co | Space-current device |
| US2111231A (en) * | 1934-06-27 | 1938-03-15 | Radio Patents Corp | Recording device |
| US2157182A (en) * | 1935-12-31 | 1939-05-09 | Rca Corp | Cathode ray deflecting device |
| US2165803A (en) * | 1936-04-25 | 1939-07-11 | Rca Corp | Cathode ray deflecting device |
| DE891119C (en) * | 1940-07-09 | 1953-09-24 | Telefunken Gmbh | Magnetic electron lens |
| DE895481C (en) * | 1941-08-20 | 1953-11-02 | Siemens Reiniger Werke Ag | Electromagnetic cylinder lens |
| GB564546A (en) * | 1942-11-02 | 1944-10-03 | Gerhard Liebmann | Improvements in or relating to cathode ray tubes |
| US2369782A (en) * | 1943-04-01 | 1945-02-20 | Rca Corp | Electron lens system |
| US2498354A (en) * | 1946-12-03 | 1950-02-21 | Philco Corp | Magnetic lens system |
| DE857245C (en) * | 1948-10-01 | 1952-11-27 | Sueddeutsche Lab G M B H | Beam generation system for electron beam devices |
| DE855287C (en) * | 1948-10-02 | 1952-11-10 | Sueddeutsche Lab G M B H | Lenses and lens systems for electron optical imaging |
| DE942518C (en) * | 1948-10-02 | 1956-05-03 | Zeiss Carl Fa | Device for compensating the symmetry errors of electron lenses |
| US2591159A (en) * | 1950-05-29 | 1952-04-01 | Gilfillan Bros Inc | Magnetic means for producing compensations and other effects in a cathode-ray tube |
| US2714678A (en) * | 1950-09-03 | 1955-08-02 | Siemens Ag | Electron microscopes |
| US2634381A (en) * | 1951-03-26 | 1953-04-07 | Zenith Radio Corp | Cathode-ray tube beam-positioning device |
| NL194113A (en) * | 1954-01-22 | |||
| NL100357C (en) * | 1955-10-04 | |||
| US2883569A (en) * | 1956-01-24 | 1959-04-21 | Herman F Kaiser | Magnetic quadrupole focusing system |
-
0
- NL NL242894D patent/NL242894A/xx unknown
-
1958
- 1958-09-06 DE DEZ6840A patent/DE1133838B/en active Pending
-
1959
- 1959-08-12 CH CH7687259A patent/CH373488A/en unknown
- 1959-08-17 FR FR802956A patent/FR1233328A/en not_active Expired
- 1959-08-26 US US836172A patent/US3071707A/en not_active Expired - Lifetime
- 1959-08-27 GB GB29387/59A patent/GB854277A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB854277A (en) | 1960-11-16 |
| DE1133838B (en) | 1962-07-26 |
| CH373488A (en) | 1963-11-30 |
| US3071707A (en) | 1963-01-01 |
| FR1233328A (en) | 1960-10-12 |