FR2034981A1 - - Google Patents
Info
- Publication number
- FR2034981A1 FR2034981A1 FR7008138A FR7008138A FR2034981A1 FR 2034981 A1 FR2034981 A1 FR 2034981A1 FR 7008138 A FR7008138 A FR 7008138A FR 7008138 A FR7008138 A FR 7008138A FR 2034981 A1 FR2034981 A1 FR 2034981A1
- 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.)
- Withdrawn
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
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/09—Diaphragms; Shields associated with electron or ion-optical arrangements; Compensation of disturbing fields
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Sources, Ion Sources (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019369 | 1969-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2034981A1 true FR2034981A1 (en) | 1970-12-18 |
Family
ID=12020326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7008138A Withdrawn FR2034981A1 (en) | 1969-03-17 | 1970-03-06 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3634684A (en) |
| DE (1) | DE2012431B2 (en) |
| FR (1) | FR2034981A1 (en) |
| GB (1) | GB1308971A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3787696A (en) * | 1972-03-15 | 1974-01-22 | Etec Corp | Scanning electron microscope electron-optical column construction |
| FR2520553A1 (en) * | 1982-01-22 | 1983-07-29 | Cameca | ELECTRONIC OPTICAL APPARATUS COMPRISING PYROLYTIC GRAPHITE ELEMENTS |
| FR2597259A1 (en) * | 1986-04-15 | 1987-10-16 | Thomson Csf | ELECTRONIC BEAM DEVICE FOR PROJECTING THE IMAGE OF AN OBJECT ON A SAMPLE |
| JP3117950B2 (en) * | 1998-05-21 | 2000-12-18 | セイコーインスツルメンツ株式会社 | Charged particle device |
| US7863563B2 (en) * | 2007-03-08 | 2011-01-04 | International Business Machines Corporation | Carbon tube for electron beam application |
| EP3333877A1 (en) * | 2016-12-07 | 2018-06-13 | JEOL Ltd. | Liner tube and electron microscope |
| EP3338857B1 (en) * | 2016-12-21 | 2021-08-11 | RaySearch Laboratories AB | System and method for determining a treatment plan for active ion beam treatment |
| EP3591685A1 (en) * | 2018-07-06 | 2020-01-08 | FEI Company | Electron microscope with improved imaging resolution |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB516620A (en) * | 1938-06-02 | 1940-01-08 | Francois Joseph Gerard Van Den | Improvements in cathode ray tubes |
| US2213176A (en) * | 1939-06-06 | 1940-08-27 | Rca Corp | Television transmitting tube |
| US2959705A (en) * | 1952-09-18 | 1960-11-08 | American Optical Corp | Shielded tube and method of making the same |
-
1970
- 1970-03-06 FR FR7008138A patent/FR2034981A1/fr not_active Withdrawn
- 1970-03-11 GB GB1174970A patent/GB1308971A/en not_active Expired
- 1970-03-16 DE DE2012431A patent/DE2012431B2/en active Pending
- 1970-03-17 US US20199A patent/US3634684A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2012431B2 (en) | 1974-02-21 |
| GB1308971A (en) | 1973-03-07 |
| US3634684A (en) | 1972-01-11 |
| DE2012431A1 (en) | 1970-09-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |