BE481554A - - Google Patents
Info
- Publication number
- BE481554A BE481554A BE481554DA BE481554A BE 481554 A BE481554 A BE 481554A BE 481554D A BE481554D A BE 481554DA BE 481554 A BE481554 A BE 481554A
- 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
- H01J37/153—Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators
-
- 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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/60—Mirrors
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR948895T | 1947-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE481554A true BE481554A (nl) |
Family
ID=9474298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE481554D BE481554A (nl) | 1947-06-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2580675A (nl) |
| BE (1) | BE481554A (nl) |
| CH (1) | CH273522A (nl) |
| FR (1) | FR948895A (nl) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL192009A (nl) * | 1953-11-02 | |||
| NL97470C (nl) * | 1955-03-15 | |||
| US2915662A (en) * | 1956-08-24 | 1959-12-01 | Nat Video Corp | Centering arrangement and method for beams of cathode ray tubes |
| NL108506C (nl) * | 1958-09-13 | |||
| US3107297A (en) * | 1960-08-29 | 1963-10-15 | Applied Res Lab Inc | Electron probe X-ray analyzer wherein the emitted X-radiation passes through the objective lens |
| NL266898A (nl) * | 1961-07-10 | |||
| US3371206A (en) * | 1964-02-04 | 1968-02-27 | Jeol Ltd | Electron beam apparatus having compensating means for triangular beam distortion |
| DE1216455B (de) * | 1964-03-25 | 1966-05-12 | Siemens Ag | Verfahren zum Ausrichten der Feldachse eines elektronenoptischen Linsen, insbesondere in einem Elektronenmikroskop zugeordneten Stigmators und Anordnung zur Durchfuehrung des Verfahrens |
| US3558879A (en) * | 1968-03-12 | 1971-01-26 | Atomic Energy Commission | Electrostatic deflector for selectively and adjustably bending a charged particle beam |
| US3678333A (en) * | 1970-06-15 | 1972-07-18 | American Optical Corp | Field emission electron gun utilizing means for protecting the field emission tip from high voltage discharges |
| NL7604553A (nl) * | 1975-08-28 | 1977-03-02 | Siemens Ag | Met corpusculaire stralen werkende doorstraal- rastermicroscoop met energie-analysator. |
| DE2538521C2 (de) * | 1975-08-28 | 1977-09-08 | Siemens AG, 1000 Berlin und 8000 München | Korpuskularstrahl-Transmissionsmikroskop mit einem hinter dem Präparat liegenden Ablenksystem |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2103645A (en) * | 1932-12-20 | 1937-12-28 | Schlesinger Kurt | Braun tube |
| US2115093A (en) * | 1933-06-10 | 1938-04-26 | Rca Corp | Cathode ray tube |
| NL45201C (nl) * | 1933-06-10 | |||
| GB499848A (en) * | 1936-04-25 | 1939-01-30 | British Thomson Houston Co Ltd | Improvements relating to the control of electronic rays |
| GB489428A (en) * | 1936-12-24 | 1938-07-25 | Frederick Hermes Nicoll | Improvements in or relating to electron mirrors |
| US2332876A (en) * | 1938-04-04 | 1943-10-26 | Uhlmann Wolfram | Braun tube |
| BE442468A (nl) * | 1940-08-15 | |||
| US2401315A (en) * | 1942-09-26 | 1946-06-04 | Rca Corp | Correction for spherical and chromatic aberrations in electron lenses |
-
0
- BE BE481554D patent/BE481554A/xx unknown
-
1947
- 1947-06-26 FR FR948895D patent/FR948895A/fr not_active Expired
-
1948
- 1948-04-03 CH CH273522D patent/CH273522A/fr unknown
- 1948-06-16 US US33263A patent/US2580675A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR948895A (fr) | 1949-08-12 |
| US2580675A (en) | 1952-01-01 |
| CH273522A (fr) | 1951-02-15 |