JPH0160448U - - Google Patents
Info
- Publication number
- JPH0160448U JPH0160448U JP15405387U JP15405387U JPH0160448U JP H0160448 U JPH0160448 U JP H0160448U JP 15405387 U JP15405387 U JP 15405387U JP 15405387 U JP15405387 U JP 15405387U JP H0160448 U JPH0160448 U JP H0160448U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- electron beam
- generating section
- beam generating
- potential
- 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 5
- 238000010586 diagram Methods 0.000 description 3
Description
第１図はこの考案の一実施例である陰極線管用
電子銃の構成を示す図、第２図はその電子銃の集
束電極の長さと平均内径との比に対する相対スポ
ツト径の変化を示す図、第３図はビーム電流に対
するスポツト径の変化を従来の電子銃のそれと比
較して示した図である。
１０……陰極線、１１……第１グリツド、１２
……第２グリツド、１３……補助電極、１４……
集束電極、１５……中間電極、１６……中間電極
、１７……加速電極、１８……抵抗体、２０……
インナーリード。
FIG. 1 is a diagram showing the configuration of an electron gun for a cathode ray tube, which is an embodiment of the invention, and FIG. 2 is a diagram showing the change in relative spot diameter with respect to the ratio of the length of the focusing electrode to the average inner diameter of the electron gun. FIG. 3 is a diagram showing the change in spot diameter with respect to beam current in comparison with that of a conventional electron gun. 10... Cathode ray, 11... First grid, 12
...Second grid, 13...Auxiliary electrode, 14...
Focusing electrode, 15... Intermediate electrode, 16... Intermediate electrode, 17... Accelerating electrode, 18... Resistor, 20...
inner lead.
Claims (1)
びその発生量を制御調整する複数の電極からなる
電子ビーム発生部と、この電子ビーム発生部に隣
接して順次配設された補助電極、集束電極、複数
の中間電極、加速電極からなり、上記電子ビーム
発生部から放出される電子ビームをターゲツトに
集束させる主レンズ部と、上記加速電極に付与さ
れる相対的に高い高電位を分圧してこの高電位と
上記集束電極に付与される相対的に低い電位との
中間の中電位を上記中間電極に付与する抵抗体と
、上記集束電極を挾んでその両側に隣接して位置
する上記中間電極と上記補助電極とを同電位接続
する接続手段とを具備することを特徴とする電子
銃。 (2) 集束電極はその平均内径と電極長さとの比
が１．５〜３．０の範囲にあることを特徴とする
実用新案登録請求の範囲第１項に記載の電子銃。[Claims for Utility Model Registration] (1) An electron beam generating section consisting of a cathode and a plurality of electrodes for controlling and adjusting the generation and amount of electrons generated from the cathode, and an electron beam generating section arranged successively adjacent to the electron beam generating section. A main lens section includes an auxiliary electrode, a focusing electrode, a plurality of intermediate electrodes, and an accelerating electrode, which focus the electron beam emitted from the electron beam generating section onto a target, and a relative lens section attached to the accelerating electrode. a resistor that divides a high potential and applies an intermediate potential to the intermediate electrode between the high potential and a relatively low potential applied to the focusing electrode; An electron gun characterized in that it comprises a connecting means for connecting the intermediate electrode and the auxiliary electrode at the same potential. (2) The electron gun according to claim 1, wherein the ratio of the average inner diameter of the focusing electrode to the electrode length is in the range of 1.5 to 3.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15405387U JPH0160448U (en) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15405387U JPH0160448U (en) | 1987-10-09 | 1987-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0160448U true JPH0160448U (en) | 1989-04-17 |
Family
ID=31430439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15405387U Pending JPH0160448U (en) | 1987-10-09 | 1987-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0160448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003043048A1 (en) * | 2001-11-16 | 2003-05-22 | Kabushiki Kaisha Toshiba | Cathode ray tube apparatus |
-
1987
- 1987-10-09 JP JP15405387U patent/JPH0160448U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003043048A1 (en) * | 2001-11-16 | 2003-05-22 | Kabushiki Kaisha Toshiba | Cathode ray tube apparatus |
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