JPS63127056U - - Google Patents
Info
- Publication number
- JPS63127056U JPS63127056U JP1780087U JP1780087U JPS63127056U JP S63127056 U JPS63127056 U JP S63127056U JP 1780087 U JP1780087 U JP 1780087U JP 1780087 U JP1780087 U JP 1780087U JP S63127056 U JPS63127056 U JP S63127056U
- Authority
- JP
- Japan
- Prior art keywords
- view
- cathode structure
- hot cathode
- metal piece
- magnetic field
- 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
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electron Sources, Ion Sources (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987017800U JPH0614391Y2 (ja) | 1987-02-12 | 1987-02-12 | 磁界フリ−型熱陰極構造体 |
GB8712116A GB2192751B (en) | 1986-07-14 | 1987-05-22 | Method of making a thermionic cathode structure. |
DE19873717974 DE3717974A1 (de) | 1986-07-14 | 1987-05-27 | Gluehkathode |
US07/222,300 US4878866A (en) | 1986-07-14 | 1988-07-22 | Thermionic cathode structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987017800U JPH0614391Y2 (ja) | 1987-02-12 | 1987-02-12 | 磁界フリ−型熱陰極構造体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63127056U true JPS63127056U (enrdf_load_stackoverflow) | 1988-08-19 |
JPH0614391Y2 JPH0614391Y2 (ja) | 1994-04-13 |
Family
ID=30810887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987017800U Expired - Lifetime JPH0614391Y2 (ja) | 1986-07-14 | 1987-02-12 | 磁界フリ−型熱陰極構造体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0614391Y2 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0468348U (enrdf_load_stackoverflow) * | 1990-10-24 | 1992-06-17 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5219958A (en) * | 1975-08-07 | 1977-02-15 | Matsushita Electric Ind Co Ltd | Scanning electron microscope |
JPS5431783A (en) * | 1977-08-13 | 1979-03-08 | Terasaki Denki Sangyo Kk | Indicator with light emitting diode |
-
1987
- 1987-02-12 JP JP1987017800U patent/JPH0614391Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5219958A (en) * | 1975-08-07 | 1977-02-15 | Matsushita Electric Ind Co Ltd | Scanning electron microscope |
JPS5431783A (en) * | 1977-08-13 | 1979-03-08 | Terasaki Denki Sangyo Kk | Indicator with light emitting diode |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0468348U (enrdf_load_stackoverflow) * | 1990-10-24 | 1992-06-17 |
Also Published As
Publication number | Publication date |
---|---|
JPH0614391Y2 (ja) | 1994-04-13 |