JPH0160444U - - Google Patents
Info
- Publication number
- JPH0160444U JPH0160444U JP15521087U JP15521087U JPH0160444U JP H0160444 U JPH0160444 U JP H0160444U JP 15521087 U JP15521087 U JP 15521087U JP 15521087 U JP15521087 U JP 15521087U JP H0160444 U JPH0160444 U JP H0160444U
- Authority
- JP
- Japan
- Prior art keywords
- electron tube
- sleeve
- ceramic body
- insulating ceramic
- heat
- 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
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図は実施例の電子管のカソード部の断面図
、第２図は他の実施例の電子管のカソード部の断
面図、第３図は従来の電子管のカソード部の断面
図である。
１……カソード、１ａ……放電部、２……スリ
ーブ、３……支持筒、４……ヒータ、５……絶縁
セラミツク体、６……リード線、７……熱シール
ド、８……伝熱板、９……カソード、１０……ス
リーブ、１１……ヒータ、１２……絶縁セラミツ
ク体。
FIG. 1 is a sectional view of a cathode portion of an electron tube according to an embodiment, FIG. 2 is a sectional view of a cathode portion of an electron tube of another embodiment, and FIG. 3 is a sectional view of a cathode portion of a conventional electron tube. DESCRIPTION OF SYMBOLS 1...Cathode, 1a...Discharge part, 2...Sleeve, 3...Support tube, 4...Heater, 5...Insulating ceramic body, 6...Lead wire, 7...Heat shield, 8...Transmission Hot plate, 9... cathode, 10... sleeve, 11... heater, 12... insulating ceramic body.
Claims (1)
ラミツク体に装着されたヒータを設けた傍熱型の
電子管において、 上記スリーブと上記絶縁セラミツク体との間隙
に伝熱板を密接装着して構成したことを特徴とす
る電子管。 (2) 上記伝熱板を薄い金属板で形成しこれを複
数積層したことを特徴とする実用新案登録請求の
範囲第１項記載の電子管。[Claims for Utility Model Registration] (1) In an indirectly heated electron tube in which a cathode held by a sleeve is provided with a heater attached to an insulating ceramic body, heat is transferred to the gap between the sleeve and the insulating ceramic body. An electron tube characterized by being constructed by closely mounting plates. (2) The electron tube according to claim 1, wherein the heat transfer plate is formed of a thin metal plate and a plurality of these are laminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15521087U JPH0160444U (en) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15521087U JPH0160444U (en) | 1987-10-09 | 1987-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0160444U true JPH0160444U (en) | 1989-04-17 |
Family
ID=31432636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15521087U Pending JPH0160444U (en) | 1987-10-09 | 1987-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0160444U (en) |
-
1987
- 1987-10-09 JP JP15521087U patent/JPH0160444U/ja active Pending
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