JPH0458940U - - Google Patents
Info
- Publication number
- JPH0458940U JPH0458940U JP9994190U JP9994190U JPH0458940U JP H0458940 U JPH0458940 U JP H0458940U JP 9994190 U JP9994190 U JP 9994190U JP 9994190 U JP9994190 U JP 9994190U JP H0458940 U JPH0458940 U JP H0458940U
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- cylindrical permanent
- magnetic field
- focusing
- permanent magnet
- 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.)
- Pending
Links
Landscapes
- Microwave Tubes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9994190U JPH0458940U (en]) | 1990-09-25 | 1990-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9994190U JPH0458940U (en]) | 1990-09-25 | 1990-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0458940U true JPH0458940U (en]) | 1992-05-20 |
Family
ID=31842228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9994190U Pending JPH0458940U (en]) | 1990-09-25 | 1990-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0458940U (en]) |
-
1990
- 1990-09-25 JP JP9994190U patent/JPH0458940U/ja active Pending
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