JPS57121125A - Quick movable type impregnated cathode - Google Patents
Quick movable type impregnated cathodeInfo
- Publication number
- JPS57121125A JPS57121125A JP735181A JP735181A JPS57121125A JP S57121125 A JPS57121125 A JP S57121125A JP 735181 A JP735181 A JP 735181A JP 735181 A JP735181 A JP 735181A JP S57121125 A JPS57121125 A JP S57121125A
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- high melting
- opening
- melting point
- powder
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP735181A JPS57121125A (en) | 1981-01-21 | 1981-01-21 | Quick movable type impregnated cathode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP735181A JPS57121125A (en) | 1981-01-21 | 1981-01-21 | Quick movable type impregnated cathode |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57121125A true JPS57121125A (en) | 1982-07-28 |
Family
ID=11663528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP735181A Pending JPS57121125A (en) | 1981-01-21 | 1981-01-21 | Quick movable type impregnated cathode |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57121125A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2634054A1 (fr) * | 1988-07-05 | 1990-01-12 | Thomson Csf | Cathode pour emission d'electrons et tube electronique comprenant une telle cathode |
JPH07302552A (ja) * | 1994-04-30 | 1995-11-14 | Samsung Display Devices Co Ltd | 直熱型陰極を適用した陰極線管用電子銃 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51150964A (en) * | 1975-06-20 | 1976-12-24 | Hitachi Ltd | Hot cathode |
JPS556433U (ja) * | 1978-06-26 | 1980-01-17 |
-
1981
- 1981-01-21 JP JP735181A patent/JPS57121125A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51150964A (en) * | 1975-06-20 | 1976-12-24 | Hitachi Ltd | Hot cathode |
JPS556433U (ja) * | 1978-06-26 | 1980-01-17 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2634054A1 (fr) * | 1988-07-05 | 1990-01-12 | Thomson Csf | Cathode pour emission d'electrons et tube electronique comprenant une telle cathode |
US5021708A (en) * | 1988-07-05 | 1991-06-04 | Thomson-Csf | Cathode for emission of electrons and electron tube with a cathode of this type |
JPH07302552A (ja) * | 1994-04-30 | 1995-11-14 | Samsung Display Devices Co Ltd | 直熱型陰極を適用した陰極線管用電子銃 |
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