JPS49131075A - - Google Patents
Info
- Publication number
- JPS49131075A JPS49131075A JP48042240A JP4224073A JPS49131075A JP S49131075 A JPS49131075 A JP S49131075A JP 48042240 A JP48042240 A JP 48042240A JP 4224073 A JP4224073 A JP 4224073A JP S49131075 A JPS49131075 A JP S49131075A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Landscapes
- Electron Sources, Ion Sources (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4224073A JPS5425792B2 (cs) | 1973-04-16 | 1973-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4224073A JPS5425792B2 (cs) | 1973-04-16 | 1973-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49131075A true JPS49131075A (cs) | 1974-12-16 |
| JPS5425792B2 JPS5425792B2 (cs) | 1979-08-30 |
Family
ID=12630491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4224073A Expired JPS5425792B2 (cs) | 1973-04-16 | 1973-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5425792B2 (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5442459U (cs) * | 1977-08-29 | 1979-03-22 | ||
| JPH01130454A (ja) * | 1987-11-13 | 1989-05-23 | Jeol Ltd | 電界放出型電子銃 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3636346A (en) * | 1968-03-17 | 1972-01-18 | Hitachi Ltd | Electron beam generator for electron microscope or the like apparatus |
| JPS4948273A (cs) * | 1972-02-14 | 1974-05-10 |
-
1973
- 1973-04-16 JP JP4224073A patent/JPS5425792B2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3636346A (en) * | 1968-03-17 | 1972-01-18 | Hitachi Ltd | Electron beam generator for electron microscope or the like apparatus |
| JPS4948273A (cs) * | 1972-02-14 | 1974-05-10 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5442459U (cs) * | 1977-08-29 | 1979-03-22 | ||
| JPH01130454A (ja) * | 1987-11-13 | 1989-05-23 | Jeol Ltd | 電界放出型電子銃 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5425792B2 (cs) | 1979-08-30 |