JPH02137745U - - Google Patents
Info
- Publication number
- JPH02137745U JPH02137745U JP4703489U JP4703489U JPH02137745U JP H02137745 U JPH02137745 U JP H02137745U JP 4703489 U JP4703489 U JP 4703489U JP 4703489 U JP4703489 U JP 4703489U JP H02137745 U JPH02137745 U JP H02137745U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- microwave tube
- ion barrier
- electron
- electron gun
- 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
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000010894 electron beam technology Methods 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Microwave Tubes (AREA)
Description
第１図は本考案の一実施例の断面図である。
１……陰極、２……集束電極、３……陽極、４
……イオンバリア電極、５……電子ビーム、６…
…高周波回路部、７……円筒状セラミツクス、８
……２次電子抑制薄膜。
FIG. 1 is a sectional view of an embodiment of the present invention. 1... Cathode, 2... Focusing electrode, 3... Anode, 4
...Ion barrier electrode, 5...Electron beam, 6...
... High frequency circuit section, 7 ... Cylindrical ceramics, 8
...Secondary electron suppression thin film.
Claims (1)
列された陰極と集束電極と陽極とイオンバリア電
極とを備え、それぞれの電極がセラミツクスを含
む絶縁部材により絶縁されたマイクロ波管用電子
銃において、前記イオンバリア電極の表面に２次
電子抑制薄膜をもうけたことを特徴とするマイク
ロ波管用電子銃。 The electron gun for a microwave tube includes a cathode, a focusing electrode, an anode, and an ion barrier electrode arranged sequentially in the traveling direction of an electron beam in a vacuum container, and each electrode is insulated by an insulating member containing ceramics. An electron gun for a microwave tube, characterized in that a secondary electron suppressing thin film is provided on the surface of an ion barrier electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4703489U JPH02137745U (en) | 1989-04-21 | 1989-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4703489U JPH02137745U (en) | 1989-04-21 | 1989-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02137745U true JPH02137745U (en) | 1990-11-16 |
Family
ID=31562616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4703489U Pending JPH02137745U (en) | 1989-04-21 | 1989-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02137745U (en) |
-
1989
- 1989-04-21 JP JP4703489U patent/JPH02137745U/ja active Pending