NL59196C - - Google Patents
Info
- Publication number
- NL59196C NL59196C NL59196DA NL59196C NL 59196 C NL59196 C NL 59196C NL 59196D A NL59196D A NL 59196DA NL 59196 C NL59196 C NL 59196C
- 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
- H01J37/141—Electromagnetic lenses
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2259994X | 1939-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL59196C true NL59196C (en:Method) |
Family
ID=7992787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL59196D NL59196C (en:Method) | 1939-03-17 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2259994A (en:Method) |
| NL (1) | NL59196C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2619607A (en) * | 1951-03-10 | 1952-11-25 | Glaser Steers Corp | Internal focusing device |
| US2847607A (en) * | 1953-04-29 | 1958-08-12 | Bell Telephone Labor Inc | Magnetic focusing system |
-
0
- NL NL59196D patent/NL59196C/xx active
-
1940
- 1940-11-25 US US367138A patent/US2259994A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2259994A (en) | 1941-10-21 |