BE433495A - - Google Patents
Info
- Publication number
- BE433495A BE433495A BE433495DA BE433495A BE 433495 A BE433495 A BE 433495A BE 433495D A BE433495D A BE 433495DA BE 433495 A BE433495 A BE 433495A
- Authority
- BE
- Belgium
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
- H01J37/20—Means for supporting or positioning the object or the material; Means for adjusting diaphragms or lenses associated with the support
-
- 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 or ion-optical arrangement
- H01J37/10—Lenses
- H01J37/14—Lenses magnetic
- H01J37/141—Electromagnetic lenses
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2243403X | 1938-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE433495A true BE433495A (it) |
Family
ID=7991996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE433495D BE433495A (it) | 1938-04-04 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2243403A (it) |
| BE (1) | BE433495A (it) |
| FR (1) | FR852158A (it) |
| NL (1) | NL55000C (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2418432A (en) * | 1944-05-01 | 1947-04-01 | Rca Corp | Magnetic electron lens system |
| US2648036A (en) * | 1946-03-12 | 1953-08-04 | Us Navy | Adjustable focusing coil |
| US2679018A (en) * | 1950-06-30 | 1954-05-18 | Rca Corp | Magnetic electron lens pole piece |
| US3374349A (en) * | 1966-11-14 | 1968-03-19 | Victor G. Macres | Electron probe having a specific shortfocal length magnetic lens and light microscope |
| EP2565900B1 (en) * | 2007-11-13 | 2016-02-03 | Carl Zeiss Microscopy Limited | Beam device and system comprising a particle beam device and an optical microscope |
-
0
- NL NL55000D patent/NL55000C/xx active
- BE BE433495D patent/BE433495A/xx unknown
-
1939
- 1939-03-27 FR FR852158D patent/FR852158A/fr not_active Expired
- 1939-04-03 US US265707A patent/US2243403A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2243403A (en) | 1941-05-27 |
| FR852158A (fr) | 1940-01-25 |
| NL55000C (it) |