GB678048A - Improvements in or relating to electron microscopes - Google Patents
Improvements in or relating to electron microscopesInfo
- Publication number
- GB678048A GB678048A GB8763/50A GB876350A GB678048A GB 678048 A GB678048 A GB 678048A GB 8763/50 A GB8763/50 A GB 8763/50A GB 876350 A GB876350 A GB 876350A GB 678048 A GB678048 A GB 678048A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disc
- sealed
- spring
- adjacent
- tube
- 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.)
- Expired
Links
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
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
- H01J37/20—Means for supporting or positioning the object or the material; Means for adjusting diaphragms or lenses associated with the support
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL145880 | 1949-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB678048A true GB678048A (en) | 1952-08-27 |
Family
ID=19750472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8763/50A Expired GB678048A (en) | 1949-04-09 | 1950-04-06 | Improvements in or relating to electron microscopes |
Country Status (5)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL185735B (nl) * | 1954-03-09 | Knogo Corp | Inrichting voor het detecteren in een ondervragingszone van een voorwerp waarop een resonantie-orgaan is bevestigd. | |
NL92826C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1957-04-09 | |||
US3885157A (en) * | 1973-12-12 | 1975-05-20 | Electron Optical Research And | Electron beam image processing device |
USD332616S (en) | 1990-01-26 | 1993-01-19 | Hitachi, Ltd. | Electronic microscope |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2220973A (en) * | 1939-03-31 | 1940-11-12 | Rca Corp | Electron microscope |
US2361722A (en) * | 1940-05-09 | 1944-10-31 | Ardenne Manfred Von | Electronic microscope |
-
0
- NL NL77105D patent/NL77105C/xx active
-
1950
- 1950-03-24 US US151596A patent/US2655601A/en not_active Expired - Lifetime
- 1950-04-06 GB GB8763/50A patent/GB678048A/en not_active Expired
- 1950-04-06 DE DEN694A patent/DE872240C/de not_active Expired
- 1950-04-07 FR FR1020311D patent/FR1020311A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2655601A (en) | 1953-10-13 |
FR1020311A (fr) | 1953-02-04 |
DE872240C (de) | 1953-03-30 |
NL77105C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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