BE708599A - - Google Patents
Info
- Publication number
- BE708599A BE708599A BE708599DA BE708599A BE 708599 A BE708599 A BE 708599A BE 708599D A BE708599D A BE 708599DA BE 708599 A BE708599 A BE 708599A
- Authority
- BE
- Belgium
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US609224A US3413517A (en) | 1967-01-13 | 1967-01-13 | Filament current control by a superposed dithering voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE708599A true BE708599A (de) | 1968-05-02 |
Family
ID=24439854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE708599D BE708599A (de) | 1967-01-13 | 1967-12-27 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3413517A (de) |
| BE (1) | BE708599A (de) |
| CH (1) | CH462962A (de) |
| DE (1) | DE1591234C3 (de) |
| FR (1) | FR1555891A (de) |
| GB (1) | GB1148426A (de) |
| NL (1) | NL6800569A (de) |
| SE (1) | SE338372B (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1152224A (en) * | 1967-05-15 | 1969-05-14 | Vickers Ltd | Electron-Beam Welding |
| DE2100506C3 (de) * | 1970-01-09 | 1974-02-07 | Hitachi, Ltd., Tokio | Ionenquelle insbesondere für Ionen-Mikroanalysatoren |
| DE221138C (de) * | 1971-04-30 | |||
| US3760279A (en) * | 1971-09-16 | 1973-09-18 | United States Steel Corp | Beam current limiting circuit |
| US3780256A (en) * | 1972-08-08 | 1973-12-18 | Atomic Energy Commission | Method for producing spike-free electron beam partial penetration welds |
| US3801792A (en) * | 1973-05-23 | 1974-04-02 | Bell Telephone Labor Inc | Electron beam apparatus |
| US4020318A (en) * | 1975-01-24 | 1977-04-26 | The Welding Institute | Electron beam generators |
| DE2637628C2 (de) * | 1976-08-20 | 1982-03-11 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum Speisen der Kathodenheizung von Röhren, insbesondere von Fernsehaufnahmeröhren, mit Gleichstrom |
| US4167676A (en) * | 1978-02-21 | 1979-09-11 | Bell Telephone Laboratories, Incorporated | Variable-spot scanning in an electron beam exposure system |
| DE2844183C2 (de) * | 1978-10-10 | 1984-09-13 | Messer Griesheim Gmbh, 6000 Frankfurt | Verfahren und Einrichtung zum Einstellen des Kathodenheizstromes in einem technischen Elektronenstrahl-Gerät |
| JPS5731134A (en) * | 1980-08-01 | 1982-02-19 | Hitachi Ltd | Drawing device by electron beam |
| US4464564A (en) * | 1982-10-27 | 1984-08-07 | Conoco Inc. | Current controller for heating stage on leitz microscope |
| US4754200A (en) * | 1985-09-09 | 1988-06-28 | Applied Materials, Inc. | Systems and methods for ion source control in ion implanters |
| US4743767A (en) * | 1985-09-09 | 1988-05-10 | Applied Materials, Inc. | Systems and methods for ion implantation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU37811A1 (de) * | 1958-10-27 | |||
| US3072822A (en) * | 1961-05-19 | 1963-01-08 | Julian C Holmes | Emission current regulator |
| US3320474A (en) * | 1963-11-01 | 1967-05-16 | Gen Electric | Emission current regulated power supply for thermionic filament |
| US3315124A (en) * | 1964-08-14 | 1967-04-18 | Gen Electric | Transistorized constant emission current regulator using a resonant transformer in the power supply |
| US3346769A (en) * | 1965-10-07 | 1967-10-10 | Nat Res Corp | Orbiting vacuum pump power supply with a filament current regulator |
-
1967
- 1967-01-13 US US609224A patent/US3413517A/en not_active Expired - Lifetime
- 1967-12-15 GB GB57022/67A patent/GB1148426A/en not_active Expired
- 1967-12-19 FR FR1555891D patent/FR1555891A/fr not_active Expired
- 1967-12-27 BE BE708599D patent/BE708599A/xx unknown
- 1967-12-30 DE DE1591234A patent/DE1591234C3/de not_active Expired
-
1968
- 1968-01-11 CH CH35768A patent/CH462962A/de unknown
- 1968-01-12 NL NL6800569A patent/NL6800569A/xx unknown
- 1968-01-12 SE SE00409/68A patent/SE338372B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH462962A (de) | 1968-09-30 |
| DE1591234A1 (de) | 1970-08-20 |
| SE338372B (de) | 1971-09-06 |
| US3413517A (en) | 1968-11-26 |
| NL6800569A (de) | 1968-07-15 |
| DE1591234C3 (de) | 1975-10-23 |
| FR1555891A (de) | 1969-01-31 |
| DE1591234B2 (de) | 1975-03-20 |
| GB1148426A (en) | 1969-04-10 |