JPH0436748U - - Google Patents
Info
- Publication number
- JPH0436748U JPH0436748U JP7993990U JP7993990U JPH0436748U JP H0436748 U JPH0436748 U JP H0436748U JP 7993990 U JP7993990 U JP 7993990U JP 7993990 U JP7993990 U JP 7993990U JP H0436748 U JPH0436748 U JP H0436748U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- grids
- electron
- disposed
- electron beam
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims 3
- 238000007493 shaping process Methods 0.000 claims 1
Landscapes
- Microwave Tubes (AREA)
Description
第１図はこの考案の一実施例による電子銃を示
す断面側面図、第２図は２枚の制御グリツドの正
面図、第３図はこの考案の他の実施例を示す制御
グリツドの断面図と正面図、第４図は従来の電子
銃を示す断面側面図である。図において、１はカ
ソード、２はシヤドーグリツド、３は周辺部制御
用グリツド、５はビーム形成電極、６はアノード
、７は中心部制御用グリツド、１０はサポート、
１２は径方向リブ、１３は誘電体である。なお、
図中同一符号は同一、又は相当部分を示す。
Fig. 1 is a sectional side view showing an electron gun according to one embodiment of this invention, Fig. 2 is a front view of two control grids, and Fig. 3 is a sectional view of a control grid showing another embodiment of this invention. 4 is a front view, and FIG. 4 is a sectional side view showing a conventional electron gun. In the figure, 1 is a cathode, 2 is a shadow grid, 3 is a peripheral control grid, 5 is a beam forming electrode, 6 is an anode, 7 is a central control grid, 10 is a support,
12 is a radial rib, and 13 is a dielectric. In addition,
The same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
ソードと所定の間隔をおいて配設される複数のグ
リツドと、該グリツドと、それぞれ所定の間隔を
おいて配設されるビーム成形電極及びアノードを
具備してなる電子銃において、２枚の電子ビーム
流制御用グリツドを具備し、該、周辺部制御用グ
リツド及び中心部制御用グリツドがカソードから
ほぼ同一距離の同一球面上に配設され、カソード
からの電子ビーム流の周辺部、中心部を各々独立
して制御可能にした構造をもつ事を特徴とするデ
ユアル・モード進行波管等に用いられる電子銃。 A cathode having a spherical electron emitting surface, a plurality of grids disposed at predetermined intervals from the cathode, and a beam shaping electrode and an anode disposed at predetermined intervals from each of the grids. The electron gun is equipped with two electron beam flow control grids, the peripheral control grid and the central control grid are disposed on the same spherical surface at approximately the same distance from the cathode, and the cathode An electron gun used in dual-mode traveling wave tubes, etc., characterized by having a structure that allows independent control of the peripheral and central parts of the electron beam flow from the electron beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7993990U JPH0436748U (en) | 1990-07-25 | 1990-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7993990U JPH0436748U (en) | 1990-07-25 | 1990-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436748U true JPH0436748U (en) | 1992-03-27 |
Family
ID=31624556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7993990U Pending JPH0436748U (en) | 1990-07-25 | 1990-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436748U (en) |
-
1990
- 1990-07-25 JP JP7993990U patent/JPH0436748U/ja active Pending