JPH0282863U - - Google Patents
Info
- Publication number
- JPH0282863U JPH0282863U JP16367788U JP16367788U JPH0282863U JP H0282863 U JPH0282863 U JP H0282863U JP 16367788 U JP16367788 U JP 16367788U JP 16367788 U JP16367788 U JP 16367788U JP H0282863 U JPH0282863 U JP H0282863U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- electrons
- cylinder
- electron gun
- view
- 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
- 239000012212 insulator Substances 0.000 description 2
Landscapes
- Electron Sources, Ion Sources (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
- Microwave Tubes (AREA)
Description
第１図はこの考案の一実施例による電子銃の部
分断面図、第２図は第１図の部分展開斜視図、第
３図はこの考案の他の実施例を示す断面図、第４
図は第３図の部分展開斜視図、第５図は従来の電
子銃を示す断面図である。図において、１は円筒
、４は陰極、５はヒーター、８はリード、９は絶
縁物円筒である。１０ａは窓、１０ｂは突出物、
１０ｃは円形窓、１１は絶縁物円板、１２ａは突
起である。なお、図中、同一符号は同一、又は相
当部分を示す。
FIG. 1 is a partial sectional view of an electron gun according to an embodiment of this invention, FIG. 2 is a partially exploded perspective view of FIG. 1, FIG. 3 is a sectional view showing another embodiment of this invention, and FIG.
This figure is a partially developed perspective view of FIG. 3, and FIG. 5 is a sectional view showing a conventional electron gun. In the figure, 1 is a cylinder, 4 is a cathode, 5 is a heater, 8 is a lead, and 9 is an insulator cylinder. 10a is a window, 10b is a protrusion,
10c is a circular window, 11 is an insulator disk, and 12a is a projection. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
、陰極より放出した電子を集束する集束電極と、
陰極を加熱するヒーターとを具備した電子銃にお
いて、陰極を支持する円筒に、複数個の窓をあけ
た電子銃。 A cathode that emits electrons, an anode that accelerates electrons, and a focusing electrode that focuses the electrons emitted from the cathode.
An electron gun that is equipped with a heater that heats the cathode, and has multiple windows in the cylinder that supports the cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16367788U JPH0282863U (en) | 1988-12-15 | 1988-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16367788U JPH0282863U (en) | 1988-12-15 | 1988-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0282863U true JPH0282863U (en) | 1990-06-27 |
Family
ID=31448611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16367788U Pending JPH0282863U (en) | 1988-12-15 | 1988-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0282863U (en) |
-
1988
- 1988-12-15 JP JP16367788U patent/JPH0282863U/ja active Pending