NL6706402A - - Google Patents
Info
- Publication number
- NL6706402A NL6706402A NL6706402A NL6706402A NL6706402A NL 6706402 A NL6706402 A NL 6706402A NL 6706402 A NL6706402 A NL 6706402A NL 6706402 A NL6706402 A NL 6706402A NL 6706402 A NL6706402 A NL 6706402A
- 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
- H01J37/24—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Details Of Television Scanning (AREA)
- Electron Sources, Ion Sources (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB40521/65A GB1171461A (en) | 1965-09-23 | 1965-09-23 | Improvements relating to the Focussing of Microscopes |
| FR104215A FR1520974A (fr) | 1965-09-23 | 1967-04-26 | Dispositif de focalisation pour microscope électronique |
| NL6706402A NL6706402A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-09-23 | 1967-05-08 | |
| US642379A US3509275A (en) | 1965-09-23 | 1967-05-31 | Automatic focusing of electron microscopes |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB40521/65A GB1171461A (en) | 1965-09-23 | 1965-09-23 | Improvements relating to the Focussing of Microscopes |
| FR104215A FR1520974A (fr) | 1965-09-23 | 1967-04-26 | Dispositif de focalisation pour microscope électronique |
| NL6706402A NL6706402A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-09-23 | 1967-05-08 | |
| US64237967A | 1967-05-31 | 1967-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6706402A true NL6706402A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-11-11 |
Family
ID=27444800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6706402A NL6706402A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-09-23 | 1967-05-08 |
Country Status (4)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3715582A (en) * | 1970-02-13 | 1973-02-06 | Hitachi Ltd | Method of and apparatus for attaining focusing following variation in magnification in electron microscope |
| CH518562A (de) * | 1970-02-24 | 1972-01-31 | Zeiss Carl Fa | Verfahren und Vorrichtung zur automatischen Fokussierung von Mikroskopen |
| US3647952A (en) * | 1970-04-15 | 1972-03-07 | Rca Corp | Automatic beam-focusing system |
| US3748467A (en) * | 1971-09-07 | 1973-07-24 | Nibon Denshi K K | Scanning electron microscope |
| US3816848A (en) * | 1972-03-29 | 1974-06-11 | Magnavox Co | Automatic focus control for image pickup devices |
| FR2181467B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-04-25 | 1974-07-26 | Thomson Csf | |
| US4063091A (en) * | 1976-10-18 | 1977-12-13 | American Optical Corporation | High speed switching circuit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2464396A (en) * | 1948-01-30 | 1949-03-15 | Rca Corp | Art of focusing electron microscopes, etc. |
| US2999436A (en) * | 1954-09-04 | 1961-09-12 | Voigtlaender Ag | Process and device for automatically adjusting optical instruments |
| US3218431A (en) * | 1962-12-27 | 1965-11-16 | Gen Electric | Self-focusing electron beam apparatus |
-
1965
- 1965-09-23 GB GB40521/65A patent/GB1171461A/en not_active Expired
-
1967
- 1967-04-26 FR FR104215A patent/FR1520974A/fr not_active Expired
- 1967-05-08 NL NL6706402A patent/NL6706402A/xx unknown
- 1967-05-31 US US642379A patent/US3509275A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1171461A (en) | 1969-11-19 |
| US3509275A (en) | 1970-04-28 |
| FR1520974A (fr) | 1968-04-12 |