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
Application number
DENDAT221138D
Other languages
German (de)
English (en)
Priority date (The priority date 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 date listed.)
Publication of DE221138C publication Critical patent/DE221138C/de
Active legal-status Critical Current

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
    • H01J37/06—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)
DENDAT221138D 1971-04-30 Active DE221138C (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow)

Family

ID=26366896

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT221138D Active DE221138C (enrdf_load_stackoverflow) 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)

Country Link
US (1) US3825839A (enrdf_load_stackoverflow)
DE (2) DE2221138C3 (enrdf_load_stackoverflow)
FR (1) FR2134396B1 (enrdf_load_stackoverflow)
GB (1) GB1375789A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
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 (12)

* Cited by examiner, † Cited by third party
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
US4525652A (en) * 1982-10-23 1985-06-25 Leybold-Heraeus Gmbh Auxiliary-voltage source for supplying electric circuits which are at a high potential
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
CN117850168B (zh) * 2023-11-28 2024-09-24 上海集成电路材料研究院有限公司 一种电子束直写装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 1970-08-28 1972-03-01

Cited By (1)

* Cited by examiner, † Cited by third party
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
GB1375789A (enrdf_load_stackoverflow) 1974-11-27
DE2221138C3 (de) 1979-07-19
FR2134396B1 (enrdf_load_stackoverflow) 1976-08-06
US3825839A (en) 1974-07-23
DE2221138B2 (de) 1976-06-16
FR2134396A1 (enrdf_load_stackoverflow) 1972-12-08
DE2221138A1 (de) 1972-11-23

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