NL92260C - - Google Patents
Info
- Publication number
- NL92260C NL92260C NL92260DA NL92260C NL 92260 C NL92260 C NL 92260C NL 92260D A NL92260D A NL 92260DA NL 92260 C NL92260 C NL 92260C
- Authority
- NL
- Netherlands
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
- H01J37/143—Permanent magnetic lenses
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Beam Exposure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES22927A DE891308C (de) | 1951-04-28 | 1951-04-28 | Mit permanentmagnetischer Erregung arbeitende regelbare Optik fuer Elektronenmikroskope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL92260C true NL92260C (en:Method) |
Family
ID=7477142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL92260D NL92260C (en:Method) | 1951-04-28 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE891308C (en:Method) |
| NL (1) | NL92260C (en:Method) |
-
0
- NL NL92260D patent/NL92260C/xx active
-
1951
- 1951-04-28 DE DES22927A patent/DE891308C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE891308C (de) | 1956-08-23 |