BR7504789A - Aparelho e processo para manter substancialmente uniformes a densidade de corrente e a luminosidade de um feixe de particulas carregadas aplicado contra um alvo - Google Patents
Aparelho e processo para manter substancialmente uniformes a densidade de corrente e a luminosidade de um feixe de particulas carregadas aplicado contra um alvoInfo
- Publication number
- BR7504789A BR7504789A BR7504789*A BR7504789A BR7504789A BR 7504789 A BR7504789 A BR 7504789A BR 7504789 A BR7504789 A BR 7504789A BR 7504789 A BR7504789 A BR 7504789A
- Authority
- BR
- Brazil
- Prior art keywords
- luminosity
- chain
- density
- target
- substantially uniform
- Prior art date
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
- H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
- H01J37/304—Controlling tubes by information coming from the objects or from the beam, e.g. correction signals
-
- 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, ion-optical arrangement
- H01J37/147—Arrangements for directing or deflecting the discharge along a desired path
- H01J37/1471—Arrangements for directing or deflecting the discharge along a desired path for centering, aligning or positioning of ray or beam
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Beam Exposure (AREA)
- Electron Sources, Ion Sources (AREA)
- Particle Accelerators (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/492,096 US4000440A (en) | 1974-07-26 | 1974-07-26 | Method and apparatus for controlling brightness and alignment of a beam of charged particles |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7504789A true BR7504789A (pt) | 1976-07-06 |
Family
ID=23954926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7504789*A BR7504789A (pt) | 1974-07-26 | 1975-07-25 | Aparelho e processo para manter substancialmente uniformes a densidade de corrente e a luminosidade de um feixe de particulas carregadas aplicado contra um alvo |
Country Status (11)
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL177578C (nl) * | 1976-05-14 | 1985-10-16 | Thomson Csf | Inrichting voor het beschrijven van een voorwerp met een deeltjesbundel. |
US4126814A (en) * | 1976-12-09 | 1978-11-21 | Rca Corporation | Electron gun control system |
US4424448A (en) * | 1979-12-26 | 1984-01-03 | Tokyo Shibaura Denki Kabushiki Kaisha | Electron beam apparatus |
US4376249A (en) * | 1980-11-06 | 1983-03-08 | International Business Machines Corporation | Variable axis electron beam projection system |
JPS58106747A (ja) * | 1981-12-18 | 1983-06-25 | Hitachi Ltd | 荷電粒子線集束系の自動軸合せ装置 |
US4475045A (en) * | 1982-05-24 | 1984-10-02 | Varian Associates, Inc. | Rapid pumpdown for high vacuum processing |
US4568861A (en) * | 1983-06-27 | 1986-02-04 | International Business Machines Corporation | Method and apparatus for controlling alignment and brightness of an electron beam |
US5466904A (en) * | 1993-12-23 | 1995-11-14 | International Business Machines Corporation | Electron beam lithography system |
US6456019B1 (en) | 2001-02-03 | 2002-09-24 | Nikon Corporation | Real time measurement of leakage current in high voltage electron guns |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3345529A (en) * | 1966-08-29 | 1967-10-03 | Ibm | Electron beam column with demountable flux-generating assembly and beam-forming elements |
NL6807439A (US07754267-20100713-C00017.png) * | 1968-05-27 | 1969-12-01 | ||
US3644700A (en) * | 1969-12-15 | 1972-02-22 | Ibm | Method and apparatus for controlling an electron beam |
US3619717A (en) * | 1970-03-02 | 1971-11-09 | Gen Electric | Electron beam current regulator for a light valve |
JPS5143940B2 (US07754267-20100713-C00017.png) * | 1972-04-07 | 1976-11-25 |
-
1974
- 1974-07-26 US US05/492,096 patent/US4000440A/en not_active Expired - Lifetime
-
1975
- 1975-06-06 DE DE2525205A patent/DE2525205C2/de not_active Expired
- 1975-06-09 FR FR7518980A patent/FR2280134A1/fr active Granted
- 1975-06-17 IT IT24417/75A patent/IT1039024B/it active
- 1975-06-24 JP JP7712275A patent/JPS5342675B2/ja not_active Expired
- 1975-06-30 CH CH844675A patent/CH587560A5/xx not_active IP Right Cessation
- 1975-07-15 CA CA231,509A patent/CA1041178A/en not_active Expired
- 1975-07-24 ES ES439704A patent/ES439704A1/es not_active Expired
- 1975-07-24 SE SE7508426A patent/SE401883B/xx not_active IP Right Cessation
- 1975-07-25 BR BR7504789*A patent/BR7504789A/pt unknown
- 1975-07-25 NL NL7508942A patent/NL7508942A/xx not_active Application Discontinuation
-
1978
- 1978-03-13 CA CA298796A patent/CA1054682A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE401883B (sv) | 1978-05-29 |
US4000440A (en) | 1976-12-28 |
FR2280134A1 (fr) | 1976-02-20 |
FR2280134B1 (US07754267-20100713-C00017.png) | 1977-12-09 |
DE2525205C2 (de) | 1983-05-19 |
NL7508942A (nl) | 1976-01-28 |
CA1041178A (en) | 1978-10-24 |
JPS5119977A (US07754267-20100713-C00017.png) | 1976-02-17 |
ES439704A1 (es) | 1977-03-01 |
CA1054682A (en) | 1979-05-15 |
JPS5342675B2 (US07754267-20100713-C00017.png) | 1978-11-14 |
CH587560A5 (US07754267-20100713-C00017.png) | 1977-05-13 |
SE7508426L (sv) | 1976-01-27 |
IT1039024B (it) | 1979-12-10 |
DE2525205A1 (de) | 1976-02-12 |
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