JPH0474840U - - Google Patents
Info
- Publication number
- JPH0474840U JPH0474840U JP11730690U JP11730690U JPH0474840U JP H0474840 U JPH0474840 U JP H0474840U JP 11730690 U JP11730690 U JP 11730690U JP 11730690 U JP11730690 U JP 11730690U JP H0474840 U JPH0474840 U JP H0474840U
- Authority
- JP
- Japan
- Prior art keywords
- getter
- spacer
- insulating substrate
- vacuum container
- electrons
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000006059 cover glass Substances 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
第１図は本考案の一実施例を示す一部切欠き斜
視図、第２図は第１図のゲツタ取り付け部の拡大
断面図、第３図は本考案の他の実施例を示すゲツ
タ取り付け部の拡大断面図、第４図は従来の蛍光
表示管の一例を示す一部切欠き斜視図、第５図は
第４図のゲツタ取り付け部の拡大断面図、第６図
は従来の蛍光表示管のゲツタ取り付け部の他の例
の拡大断面図である。
１……表示セグメント、２……陽極基板、３…
…グリツド、４……フイラメント、５……カバー
ガラス、６……ソルダガラス、７……スペーサ、
８……ゲツタ、９……ゲツタ遮蔽板、１０……ゲ
ツタ被膜、１１……シールド板、１２……高周波
コイル、１３……コンテナ、１４……ゲツタ剤、
１５……ゲツタ支持体部。
Fig. 1 is a partially cutaway perspective view showing one embodiment of the present invention, Fig. 2 is an enlarged sectional view of the getter attachment part of Fig. 1, and Fig. 3 is a getter attachment showing another embodiment of the invention. 4 is a partially cutaway perspective view showing an example of a conventional fluorescent display tube, FIG. 5 is an enlarged sectional view of the getter attachment part of FIG. 4, and FIG. 6 is a conventional fluorescent display. FIG. 7 is an enlarged cross-sectional view of another example of the getter attachment portion of the tube. 1...Display segment, 2...Anode substrate, 3...
...Grid, 4...Filament, 5...Cover glass, 6...Solder glass, 7...Spacer,
8... Gettuta, 9... Gettuta shielding plate, 10... Gettuta coating, 11... Shield plate, 12... High frequency coil, 13... Container, 14... Gettuta agent,
15...Getta support part.
Claims (1)
を放射するフイラメントと、前記電子の加速と制
御を行うグリツドと、前記絶縁基板に封着され真
空容器を形成するカバーガラスと、前記真空容器
内部の真空を保つゲツタと該ゲツタを支持固定す
るスペーサとを有する蛍光表示管において、前記
スペーサの前記ゲツタ取り付け部にゲツタ被膜遮
蔽板を設けたことを特徴とする蛍光表示管。 An anode having a phosphor coated on an insulating substrate, a filament that emits electrons, a grid that accelerates and controls the electrons, a cover glass that is sealed to the insulating substrate to form a vacuum container, and the vacuum container. 1. A fluorescent display tube having a getter for maintaining an internal vacuum and a spacer for supporting and fixing the getter, characterized in that a getter coating shielding plate is provided at the getter attachment portion of the spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11730690U JPH0474840U (en) | 1990-11-08 | 1990-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11730690U JPH0474840U (en) | 1990-11-08 | 1990-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0474840U true JPH0474840U (en) | 1992-06-30 |
Family
ID=31865199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11730690U Pending JPH0474840U (en) | 1990-11-08 | 1990-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0474840U (en) |
-
1990
- 1990-11-08 JP JP11730690U patent/JPH0474840U/ja active Pending