JPS62202750U - - Google Patents
Info
- Publication number
- JPS62202750U JPS62202750U JP9267786U JP9267786U JPS62202750U JP S62202750 U JPS62202750 U JP S62202750U JP 9267786 U JP9267786 U JP 9267786U JP 9267786 U JP9267786 U JP 9267786U JP S62202750 U JPS62202750 U JP S62202750U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- impregnated
- metal body
- impregnated cathode
- heater
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000008188 pellet Substances 0.000 claims description 4
- 238000005219 brazing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Solid Thermionic Cathode (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図は本考案の傍熱型含浸陰極の断面図、第
２図は本考案の機械削り工程後の陰極ペレツトの
断面図、第３図は本考案の含浸型陰極の断面図、
第４図は従来の傍熱型含浸陰極の断面図である。
１，３１……陰極ペレツト、２，１１……高密
度タングステン層、３，３２……陰極支持体、４
，１０，３３……ロウ材、５，３４……ヒータ、
７……切削歪を有しないタングステン粒子、８…
…切削歪を有するタングステン粒子、９……アク
リル樹脂。
FIG. 1 is a cross-sectional view of the indirectly heated impregnated cathode of the present invention, FIG. 2 is a cross-sectional view of the cathode pellet after the machining process of the present invention, and FIG. 3 is a cross-sectional view of the impregnated cathode of the present invention.
FIG. 4 is a sectional view of a conventional indirectly heated impregnated cathode. 1,31... Cathode pellet, 2,11... High density tungsten layer, 3,32... Cathode support, 4
, 10, 33... brazing metal, 5, 34... heater,
7...Tungsten particles having no cutting strain, 8...
...Tungsten particles having cutting strain, 9...Acrylic resin.
Claims (1)
含浸型陰極ペレツトをロウ材により固着し、陰極
支持体内にヒータを配置する含浸型陰極において
、前記含浸型陰極ペレツトの陰極支持体内のヒー
タに対向する面に多孔質金属本体の密度より高い
金属本体層を設けたことを特徴とする含浸型陰極
。 In an impregnated cathode in which an impregnated cathode pellet made of a porous metal body is fixed to the upper end of a cathode support with a brazing material, and a heater is disposed within the cathode support, the impregnated cathode pellet faces the heater in the cathode support. An impregnated cathode characterized in that a metal body layer having a higher density than the porous metal body is provided on the surface of the impregnated cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986092677U JPH0612601Y2 (en) | 1986-06-17 | 1986-06-17 | Impregnated cathode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986092677U JPH0612601Y2 (en) | 1986-06-17 | 1986-06-17 | Impregnated cathode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62202750U true JPS62202750U (en) | 1987-12-24 |
| JPH0612601Y2 JPH0612601Y2 (en) | 1994-03-30 |
Family
ID=30954595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986092677U Expired - Lifetime JPH0612601Y2 (en) | 1986-06-17 | 1986-06-17 | Impregnated cathode |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0612601Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4716995U (en) * | 1971-04-06 | 1972-10-27 | ||
| JPS50141557U (en) * | 1974-05-10 | 1975-11-21 | ||
| JPS6016401A (en) * | 1984-06-15 | 1985-01-28 | 松下電器産業株式会社 | High voltage variable resistor |
-
1986
- 1986-06-17 JP JP1986092677U patent/JPH0612601Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4716995U (en) * | 1971-04-06 | 1972-10-27 | ||
| JPS50141557U (en) * | 1974-05-10 | 1975-11-21 | ||
| JPS6016401A (en) * | 1984-06-15 | 1985-01-28 | 松下電器産業株式会社 | High voltage variable resistor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0612601Y2 (en) | 1994-03-30 |