JPH027136B2 - - Google Patents
Info
- Publication number
- JPH027136B2 JPH027136B2 JP55021789A JP2178980A JPH027136B2 JP H027136 B2 JPH027136 B2 JP H027136B2 JP 55021789 A JP55021789 A JP 55021789A JP 2178980 A JP2178980 A JP 2178980A JP H027136 B2 JPH027136 B2 JP H027136B2
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- alkaline earth
- earth metal
- oxide
- aluminum
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Gas-Filled Discharge Tubes (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2178980A JPS56118238A (en) | 1980-02-22 | 1980-02-22 | Cathode for dc type gas discharge indication panel and manufacture |
DE3106368A DE3106368C2 (de) | 1980-02-22 | 1981-02-20 | Gleichstrom-Gasentladungsanzeigevorrichtung |
US06/236,379 US4393326A (en) | 1980-02-22 | 1981-02-20 | DC Plasma display panel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2178980A JPS56118238A (en) | 1980-02-22 | 1980-02-22 | Cathode for dc type gas discharge indication panel and manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56118238A JPS56118238A (en) | 1981-09-17 |
JPH027136B2 true JPH027136B2 (enrdf_load_html_response) | 1990-02-15 |
Family
ID=12064823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2178980A Granted JPS56118238A (en) | 1980-02-22 | 1980-02-22 | Cathode for dc type gas discharge indication panel and manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56118238A (enrdf_load_html_response) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS599828A (ja) * | 1982-07-08 | 1984-01-19 | Okaya Denki Sangyo Kk | 加熱陰極の製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54750B2 (enrdf_load_html_response) * | 1973-11-15 | 1979-01-16 |
-
1980
- 1980-02-22 JP JP2178980A patent/JPS56118238A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56118238A (en) | 1981-09-17 |