BE634652A - - Google Patents
Info
- Publication number
- BE634652A BE634652A BE634652DA BE634652A BE 634652 A BE634652 A BE 634652A BE 634652D A BE634652D A BE 634652DA BE 634652 A BE634652 A BE 634652A
- Authority
- BE
- Belgium
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
- H01J37/24—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
-
- 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
- H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
- H01J37/305—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating or etching
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US208504A US3204096A (en) | 1962-07-09 | 1962-07-09 | Apparatus for projecting an electron beam along a curved path having variable impedance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE634652A true BE634652A (US07321065-20080122-C00020.png) |
Family
ID=22774831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE634652D BE634652A (US07321065-20080122-C00020.png) | 1962-07-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3204096A (US07321065-20080122-C00020.png) |
| BE (1) | BE634652A (US07321065-20080122-C00020.png) |
| FR (1) | FR1362376A (US07321065-20080122-C00020.png) |
| GB (1) | GB987380A (US07321065-20080122-C00020.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3420977A (en) * | 1965-06-18 | 1969-01-07 | Air Reduction | Electron beam apparatus |
| US5216690A (en) * | 1992-03-11 | 1993-06-01 | Hanks Charles W | Electron beam gun with grounded shield to prevent arc down |
| US6476340B1 (en) | 1999-04-14 | 2002-11-05 | The Boc Group, Inc. | Electron beam gun with grounded shield to prevent arc-down and gas bleed to protect the filament |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3087211A (en) * | 1960-05-27 | 1963-04-30 | Stauffer Chemical Co | Electron-beam furnace with opposedfield magnetic beam guidance |
| US3068309A (en) * | 1960-06-22 | 1962-12-11 | Stauffer Chemical Co | Electron beam furnace with multiple field guidance of electrons |
-
0
- BE BE634652D patent/BE634652A/xx unknown
-
1962
- 1962-07-09 US US208504A patent/US3204096A/en not_active Expired - Lifetime
-
1963
- 1963-07-09 GB GB27055/63A patent/GB987380A/en not_active Expired
- 1963-07-09 FR FR940919A patent/FR1362376A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1362376A (fr) | 1964-05-29 |
| US3204096A (en) | 1965-08-31 |
| GB987380A (en) | 1965-03-31 |
