JPH01160648U - - Google Patents
Info
- Publication number
- JPH01160648U JPH01160648U JP5744688U JP5744688U JPH01160648U JP H01160648 U JPH01160648 U JP H01160648U JP 5744688 U JP5744688 U JP 5744688U JP 5744688 U JP5744688 U JP 5744688U JP H01160648 U JPH01160648 U JP H01160648U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- cathode
- accelerating
- beam forming
- 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
- 238000010894 electron beam technology Methods 0.000 claims description 5
- 239000012212 insulator Substances 0.000 description 1
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図は従来の電子銃の部分断面図で
ある。
図において、２は陰極、３ａは第１電子ビーム
形成電極、３ｂは第２電子ビーム形成電極、３ｃ
は第３電子ビーム形成電極、４は加速電極、５〜
９は絶縁体である。なお、図中、同一符号は同一
、又は相当部分を示す。
FIG. 1 is a partial sectional view of an electron gun according to an embodiment of this invention, and FIG. 2 is a partial sectional view of a conventional electron gun. In the figure, 2 is a cathode, 3a is a first electron beam forming electrode, 3b is a second electron beam forming electrode, and 3c
is the third electron beam forming electrode, 4 is the accelerating electrode, 5~
9 is an insulator. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
出される電子を集束するための電子ビーム形成電
極と、前記陰極電極に対して正の電位が印加され
て前記電子を加速するための加速電極、もしくは
加速電極を兼ねる他の部品を有する電子銃におい
て、前記電子ビーム形成電極を複数に分割したこ
とを特徴とする電子銃。 a cathode for emitting electrons, an electron beam forming electrode for focusing electrons emitted from the cathode, and an accelerating electrode for accelerating the electrons by applying a positive potential to the cathode electrode; Alternatively, an electron gun having another component that also serves as an accelerating electrode, characterized in that the electron beam forming electrode is divided into a plurality of parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5744688U JPH01160648U (en) | 1988-04-27 | 1988-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5744688U JPH01160648U (en) | 1988-04-27 | 1988-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160648U true JPH01160648U (en) | 1989-11-08 |
Family
ID=31283302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5744688U Pending JPH01160648U (en) | 1988-04-27 | 1988-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160648U (en) |
-
1988
- 1988-04-27 JP JP5744688U patent/JPH01160648U/ja active Pending
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