BE551462A - - Google Patents
Info
- Publication number
- BE551462A BE551462A BE551462DA BE551462A BE 551462 A BE551462 A BE 551462A BE 551462D A BE551462D A BE 551462DA BE 551462 A BE551462 A BE 551462A
- 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
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/10—Lenses
- H01J37/14—Lenses magnetic
- H01J37/141—Electromagnetic lenses
-
- 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
- H01J37/153—Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electron Beam Exposure (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL345397X | 1955-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE551462A true BE551462A (forum.php) |
Family
ID=19784879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE551462D BE551462A (forum.php) | 1955-10-04 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2910603A (forum.php) |
| BE (1) | BE551462A (forum.php) |
| CH (1) | CH345397A (forum.php) |
| DE (1) | DE1089089B (forum.php) |
| FR (1) | FR1171295A (forum.php) |
| GB (1) | GB833249A (forum.php) |
| NL (2) | NL100357C (forum.php) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL242894A (forum.php) * | 1958-09-06 | |||
| US3046397A (en) * | 1959-06-17 | 1962-07-24 | Tesla Np | Device for compensating axial astigmatism of electron-optical systems |
| US3021445A (en) * | 1959-07-24 | 1962-02-13 | Bbc Brown Boveri & Cie | Electron lens |
| US3253144A (en) * | 1963-05-27 | 1966-05-24 | Tektronix Inc | Electron lens having means for correcting astigmatism |
| US3322950A (en) * | 1964-09-01 | 1967-05-30 | Varian Associates | Linear accelerator radiotherapy device and associated beam defining structure |
| JPS58123648A (ja) * | 1982-01-18 | 1983-07-22 | Hitachi Ltd | 電磁レンズポ−ルピ−ス構造体 |
| US7995443B2 (en) * | 2007-07-30 | 2011-08-09 | International Business Machines Corporation | Apparatus and method to store information in a holographic data storage medium |
| JP6219741B2 (ja) * | 2014-02-13 | 2017-10-25 | 日本電子株式会社 | 多極子レンズの製造方法、多極子レンズ、および荷電粒子線装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL54829C (forum.php) * | 1936-09-11 | |||
| DE973258C (de) * | 1938-03-08 | 1959-12-31 | Siemens Ag | Magnetische Polschuhlinse kleiner Brennweite fuer elektronenoptische Vergroesserungen in Elektronenmikroskopen |
| US2568456A (en) * | 1949-12-06 | 1951-09-18 | Gen Electric | Electromagnetic deflection yoke structure |
| US2587942A (en) * | 1949-12-27 | 1952-03-04 | Leitz Ernst Gmbh | Electronic optical correction mechanism for magnetic lenses |
| US2608665A (en) * | 1950-07-29 | 1952-08-26 | Gen Electric | Permanent magnet focusing device |
| NL94737C (forum.php) * | 1950-08-29 | |||
| NL194113A (forum.php) * | 1954-01-22 |
-
0
- BE BE551462D patent/BE551462A/xx unknown
- NL NL200957D patent/NL200957A/xx unknown
- NL NL100357D patent/NL100357C/xx active
-
1956
- 1956-10-01 GB GB29852/56A patent/GB833249A/en not_active Expired
- 1956-10-01 DE DEN12798A patent/DE1089089B/de active Pending
- 1956-10-02 CH CH345397D patent/CH345397A/de unknown
- 1956-10-02 FR FR1171295D patent/FR1171295A/fr not_active Expired
- 1956-10-03 US US613767A patent/US2910603A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL200957A (forum.php) | |
| DE1089089B (de) | 1960-09-15 |
| FR1171295A (fr) | 1959-01-23 |
| CH345397A (de) | 1960-03-31 |
| NL100357C (forum.php) | |
| US2910603A (en) | 1959-10-27 |
| GB833249A (en) | 1960-04-21 |