BE512056A - - Google Patents
Info
- Publication number
- BE512056A BE512056A BE512056DA BE512056A BE 512056 A BE512056 A BE 512056A BE 512056D A BE512056D A BE 512056DA BE 512056 A BE512056 A BE 512056A
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL302722X | 1951-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE512056A true BE512056A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Family
ID=19783367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE512056D BE512056A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1951-06-15 |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL103598C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | 1957-03-13 | |||
| DE1614407B1 (de) * | 1967-01-13 | 1972-08-03 | Siemens Ag | Anordnung zur erzeugung eines den korpuskularstrahl in einem korpuskulargeraet, insbesondere elektronenmikroskop, beeinflussenden elektromagnetischen feldes |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2418349A (en) * | 1945-12-13 | 1947-04-01 | Rca Corp | Method of and means for correcting for distortion in electron lens systems |
| US2438971A (en) * | 1946-10-31 | 1948-04-06 | Rca Corp | Compound electron objective lens |
| US2472315A (en) * | 1948-03-30 | 1949-06-07 | Rca Corp | Varying the gap spacing of pole pieces for electron optical apparatus |
-
0
- BE BE512056D patent/BE512056A/xx unknown
-
1952
- 1952-05-23 US US289685A patent/US2670450A/en not_active Expired - Lifetime
- 1952-06-11 DE DEN5633A patent/DE918464C/de not_active Expired
- 1952-06-12 GB GB14840/52A patent/GB711672A/en not_active Expired
- 1952-06-13 FR FR1071047D patent/FR1071047A/fr not_active Expired
- 1952-06-13 CH CH302722D patent/CH302722A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1071047A (fr) | 1954-08-24 |
| US2670450A (en) | 1954-02-23 |
| DE918464C (de) | 1954-09-27 |
| CH302722A (de) | 1954-10-31 |
| GB711672A (en) | 1954-07-07 |