DE221138C - - Google Patents
Info
- Publication number
- DE221138C DE221138C DENDAT221138D DE221138DA DE221138C DE 221138 C DE221138 C DE 221138C DE NDAT221138 D DENDAT221138 D DE NDAT221138D DE 221138D A DE221138D A DE 221138DA DE 221138 C DE221138 C DE 221138C
- Authority
- DE
- Germany
- Prior art keywords
- openings
- incandescent lamp
- projections
- lamp fitting
- sleeve
- Prior art date
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims 5
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000035943 smell Effects 0.000 claims 1
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
- H01J37/06—Electron sources; Electron guns
- H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
-
- 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
- H01J37/243—Beam current control or regulation circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electron Sources, Ion Sources (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2875371 | 1971-04-30 | ||
JP5161071 | 1971-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE221138C true DE221138C (US20100223739A1-20100909-C00025.png) |
Family
ID=26366896
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT221138D Active DE221138C (US20100223739A1-20100909-C00025.png) | 1971-04-30 | ||
DE2221138A Expired DE2221138C3 (de) | 1971-04-30 | 1972-04-28 | Feldemissions-Elektronenquelle |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2221138A Expired DE2221138C3 (de) | 1971-04-30 | 1972-04-28 | Feldemissions-Elektronenquelle |
Country Status (4)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10031090A1 (de) * | 2000-06-30 | 2002-01-31 | Acl Lichttechnik Gmbh | Reflektorleuchte mit Zwangskühlung des Leuchtmittels |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT988681B (it) * | 1972-07-03 | 1975-04-30 | Ibm | Sistema di controllo per dispo sitivi emettitori di elettroni |
DE2325786C2 (de) * | 1973-05-22 | 1983-10-06 | Leybold-Heraeus Gmbh, 5000 Koeln | Schaltung zur Regelung der Betriebsparameter eines Elektronenstrahlerzeugers |
DE2325808C2 (de) * | 1973-05-22 | 1983-07-14 | Leybold-Heraeus GmbH, 5000 Köln | Schaltung zur Regelung der Betriebsparameter eines Elektronenstrahlerzeugers |
JPS5279757A (en) * | 1975-12-26 | 1977-07-05 | Hitachi Ltd | Power supply for field emission electron gun |
FR2535108B1 (fr) * | 1982-10-23 | 1987-11-20 | Leybold Heraeus Gmbh & Co Kg | Source de tension auxiliaire pour l'alimentation de montages electriques portes a un potentiel haute tension |
US4588928A (en) * | 1983-06-15 | 1986-05-13 | At&T Bell Laboratories | Electron emission system |
US4687970A (en) * | 1985-05-31 | 1987-08-18 | Hughes Aircraft Company | Digital cathode current control loop |
US5401973A (en) * | 1992-12-04 | 1995-03-28 | Atomic Energy Of Canada Limited | Industrial material processing electron linear accelerator |
US6847164B2 (en) | 2002-12-10 | 2005-01-25 | Applied Matrials, Inc. | Current-stabilizing illumination of photocathode electron beam source |
EP1760761B1 (en) * | 2005-09-05 | 2017-10-18 | ICT, Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | Charged particle beam emitting device and method for operating a charged particle beam emitting device |
CN117501402A (zh) * | 2021-06-18 | 2024-02-02 | Asml荷兰有限公司 | 用于在带电粒子系统中使用反馈回路调整束电流的系统和方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2384087A (en) * | 1942-04-01 | 1945-09-04 | Rca Corp | Current limiter |
US3377506A (en) * | 1966-03-30 | 1968-04-09 | United Aircraft Corp | Electromagnetic current control for a hollow cathode |
US3413517A (en) * | 1967-01-13 | 1968-11-26 | Ibm | Filament current control by a superposed dithering voltage |
SU490099A1 (ru) * | 1968-07-17 | 1975-10-30 | Московский Ордена Ленина Энергетический Институт | Устройство дл автоматического регулировани электрического режима электротермической установки с электронной пушкой |
NL7012758A (US20100223739A1-20100909-C00025.png) * | 1970-08-28 | 1972-03-01 |
-
0
- DE DENDAT221138D patent/DE221138C/de active Active
-
1972
- 1972-04-19 US US00245328A patent/US3825839A/en not_active Expired - Lifetime
- 1972-04-20 FR FR7214004A patent/FR2134396B1/fr not_active Expired
- 1972-04-21 GB GB1872572A patent/GB1375789A/en not_active Expired
- 1972-04-28 DE DE2221138A patent/DE2221138C3/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10031090A1 (de) * | 2000-06-30 | 2002-01-31 | Acl Lichttechnik Gmbh | Reflektorleuchte mit Zwangskühlung des Leuchtmittels |
Also Published As
Publication number | Publication date |
---|---|
DE2221138A1 (de) | 1972-11-23 |
US3825839A (en) | 1974-07-23 |
DE2221138B2 (de) | 1976-06-16 |
FR2134396B1 (US20100223739A1-20100909-C00025.png) | 1976-08-06 |
DE2221138C3 (de) | 1979-07-19 |
FR2134396A1 (US20100223739A1-20100909-C00025.png) | 1972-12-08 |
GB1375789A (US20100223739A1-20100909-C00025.png) | 1974-11-27 |
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