NL112758C - - Google Patents
Info
- Publication number
- NL112758C NL112758C NL112758DA NL112758C NL 112758 C NL112758 C NL 112758C NL 112758D A NL112758D A NL 112758DA NL 112758 C NL112758 C NL 112758C
- 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
- H01J37/22—Optical, image processing or photographic arrangements associated with the tube
- H01J37/224—Luminescent screens or photographic plates for imaging; Apparatus specially adapted therefor, e. g. cameras, TV-cameras, photographic equipment or exposure control; Optical subsystems specially adapted therefor, e. g. microscopes for observing image on luminescent screen
-
- 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
- H01J37/18—Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE246104X | 1942-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL112758C true NL112758C (hu) |
Family
ID=5934380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL112758D NL112758C (hu) | 1942-10-28 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH246104A (hu) |
| FR (1) | FR900309A (hu) |
| NL (1) | NL112758C (hu) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3809899A (en) * | 1972-08-17 | 1974-05-07 | Tektronix Inc | Electron-beam tube including a thermionic-field emission cathode for a scanning electron microscope |
-
0
- NL NL112758D patent/NL112758C/xx active
-
1943
- 1943-10-20 CH CH246104D patent/CH246104A/de unknown
- 1943-12-03 FR FR900309D patent/FR900309A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH246104A (de) | 1946-12-15 |
| FR900309A (fr) | 1945-06-26 |