NL74565C - - Google Patents
Info
- Publication number
- NL74565C NL74565C NL74565DA NL74565C NL 74565 C NL74565 C NL 74565C NL 74565D A NL74565D A NL 74565DA NL 74565 C NL74565 C NL 74565C
- 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
- H01J37/21—Means for adjusting the focus
-
- 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
- H01J37/147—Arrangements for directing or deflecting the discharge along a desired path
- H01J37/1478—Beam tilting means, i.e. for stereoscopy or for beam channelling
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Sources, Ion Sources (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL264119X | 1947-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL74565C true NL74565C (xx) |
Family
ID=19781637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL74565D NL74565C (xx) | 1947-01-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2485754A (xx) |
| CH (1) | CH264119A (xx) |
| DE (1) | DE926267C (xx) |
| FR (1) | FR961355A (xx) |
| GB (1) | GB660787A (xx) |
| NL (1) | NL74565C (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2617041A (en) * | 1949-11-15 | 1952-11-04 | Farrand Optical Co Inc | Stereoscopic electron microscope |
| GB687207A (en) * | 1950-02-23 | 1953-02-11 | Vickers Electrical Co Ltd | Improvements relating to electron microscopes |
| US2688091A (en) * | 1951-05-21 | 1954-08-31 | Hitachi Ltd | Electron lens system |
| US2688092A (en) * | 1951-05-21 | 1954-08-31 | Hitachi Ltd | Electron lens system |
| NL177954B (nl) * | 1952-05-03 | Stein Industrie | Warmtewisselaar met meerdere parallel geschakelde modulen. | |
| US2986634A (en) * | 1954-07-15 | 1961-05-30 | Philips Corp | Method of examining the quality of electron-optical images and devices for carrying out this method |
| BE539818A (xx) * | 1954-07-15 | |||
| DE102020113502A1 (de) * | 2020-05-19 | 2021-11-25 | Carl Zeiss Microscopy Gmbh | Verfahren zum Betreiben eines Teilchenstrahlmikroskops |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE734736C (de) * | 1940-04-11 | 1943-04-22 | Aeg | Elektronenmikroskop zur Aufnahme mit Hell- und Dunkelfeldbeleuchtung |
-
0
- NL NL74565D patent/NL74565C/xx active
- FR FR961355D patent/FR961355A/fr not_active Expired
-
1948
- 1948-01-16 US US2791A patent/US2485754A/en not_active Expired - Lifetime
- 1948-01-22 GB GB1946/48A patent/GB660787A/en not_active Expired
- 1948-01-23 CH CH264119D patent/CH264119A/de unknown
- 1948-12-14 DE DEP24590D patent/DE926267C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB660787A (en) | 1951-11-14 |
| CH264119A (de) | 1949-09-30 |
| FR961355A (xx) | 1950-05-11 |
| US2485754A (en) | 1949-10-25 |
| DE926267C (de) | 1955-04-14 |