FR2265174B3 - - Google Patents
Info
- Publication number
- FR2265174B3 FR2265174B3 FR7508916A FR7508916A FR2265174B3 FR 2265174 B3 FR2265174 B3 FR 2265174B3 FR 7508916 A FR7508916 A FR 7508916A FR 7508916 A FR7508916 A FR 7508916A FR 2265174 B3 FR2265174 B3 FR 2265174B3
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/029—Schematic arrangements for beam forming
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/454,038 US3932749A (en) | 1974-03-22 | 1974-03-22 | Electron gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2265174A1 FR2265174A1 (index.php) | 1975-10-17 |
| FR2265174B3 true FR2265174B3 (index.php) | 1977-04-15 |
Family
ID=23803032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7508916A Expired FR2265174B3 (index.php) | 1974-03-22 | 1975-03-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3932749A (index.php) |
| JP (1) | JPS514950A (index.php) |
| DE (1) | DE2512628C2 (index.php) |
| FR (1) | FR2265174B3 (index.php) |
| GB (1) | GB1489941A (index.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4350927A (en) * | 1980-05-23 | 1982-09-21 | The United States Of America As Represented By The United States Department Of Energy | Means for the focusing and acceleration of parallel beams of charged particles |
| US4816685A (en) * | 1987-10-23 | 1989-03-28 | Lauronics, Inc. | Ion volume ring |
| GB2406704B (en) * | 2003-09-30 | 2007-02-07 | Ims Nanofabrication Gmbh | Particle-optic electrostatic lens |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3191028A (en) * | 1963-04-22 | 1965-06-22 | Albert V Crewe | Scanning electron microscope |
| DE1299088C2 (de) * | 1966-06-10 | 1974-10-17 | Siemens AG, Berlin und München, 8000 München | Ablenkeinrichtung fuer den korpuskularstrahl in einem korpuskularstrahlgeraet, insbesondere elektronenmikroskop |
| US3452241A (en) * | 1966-09-06 | 1969-06-24 | Rca Corp | Electron gun suitable for electron microscope |
| AT275617B (de) * | 1968-02-23 | 1969-10-27 | Zeiss Carl Fa | Verfahren und Anordnung zur Justierung des Elektronenstrahles in einem Elektronenmikroskop |
| DE1802450B1 (de) * | 1968-09-02 | 1970-07-02 | Siemens Ag | Verfahren zur Scharfstellung eines korpuskularstrahloptischen Bildes |
| US3787696A (en) * | 1972-03-15 | 1974-01-22 | Etec Corp | Scanning electron microscope electron-optical column construction |
| US3801784A (en) * | 1972-04-14 | 1974-04-02 | Research Corp | Scanning electron microscope operating in area scan and angle scan modes |
-
1974
- 1974-03-22 US US05/454,038 patent/US3932749A/en not_active Expired - Lifetime
-
1975
- 1975-03-19 GB GB11403/75A patent/GB1489941A/en not_active Expired
- 1975-03-19 JP JP50032495A patent/JPS514950A/ja active Pending
- 1975-03-21 DE DE2512628A patent/DE2512628C2/de not_active Expired
- 1975-03-21 FR FR7508916A patent/FR2265174B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS514950A (index.php) | 1976-01-16 |
| US3932749A (en) | 1976-01-13 |
| FR2265174A1 (index.php) | 1975-10-17 |
| DE2512628A1 (de) | 1975-09-25 |
| DE2512628C2 (de) | 1985-04-04 |
| GB1489941A (en) | 1977-10-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |