JPS4890177A - - Google Patents
Info
- Publication number
- JPS4890177A JPS4890177A JP2038272A JP2038272A JPS4890177A JP S4890177 A JPS4890177 A JP S4890177A JP 2038272 A JP2038272 A JP 2038272A JP 2038272 A JP2038272 A JP 2038272A JP S4890177 A JPS4890177 A JP S4890177A
- Authority
- JP
- Japan
- 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
Landscapes
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2038272A JPS4890177A (ja) | 1972-02-28 | 1972-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2038272A JPS4890177A (ja) | 1972-02-28 | 1972-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4890177A true JPS4890177A (ja) | 1973-11-24 |
Family
ID=12025476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2038272A Pending JPS4890177A (ja) | 1972-02-28 | 1972-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4890177A (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62168316A (ja) * | 1986-01-10 | 1987-07-24 | リツエンツイア・パテント−フエルヴアルツングス−ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 凹凸面の端面を有する多孔性プレス加工物の製造法 |
| JPS62213034A (ja) * | 1986-03-14 | 1987-09-18 | Hitachi Ltd | 含浸形カソ−ドの製造方法 |
| JPH01225033A (ja) * | 1988-03-04 | 1989-09-07 | Hitachi Ltd | 含浸形カソード構体及びその製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3160780A (en) * | 1961-01-17 | 1964-12-08 | Philips Corp | Indirectly heated cathode |
| JPS4531543Y1 (ja) * | 1969-09-17 | 1970-12-03 |
-
1972
- 1972-02-28 JP JP2038272A patent/JPS4890177A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3160780A (en) * | 1961-01-17 | 1964-12-08 | Philips Corp | Indirectly heated cathode |
| JPS4531543Y1 (ja) * | 1969-09-17 | 1970-12-03 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62168316A (ja) * | 1986-01-10 | 1987-07-24 | リツエンツイア・パテント−フエルヴアルツングス−ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 凹凸面の端面を有する多孔性プレス加工物の製造法 |
| JPS62213034A (ja) * | 1986-03-14 | 1987-09-18 | Hitachi Ltd | 含浸形カソ−ドの製造方法 |
| JPH01225033A (ja) * | 1988-03-04 | 1989-09-07 | Hitachi Ltd | 含浸形カソード構体及びその製造方法 |