JPH01150354U - - Google Patents
Info
- Publication number
- JPH01150354U JPH01150354U JP4707788U JP4707788U JPH01150354U JP H01150354 U JPH01150354 U JP H01150354U JP 4707788 U JP4707788 U JP 4707788U JP 4707788 U JP4707788 U JP 4707788U JP H01150354 U JPH01150354 U JP H01150354U
- Authority
- JP
- Japan
- Prior art keywords
- metal coating
- electron emission
- impregnated
- impregnated cathode
- electron
- 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
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910000929 Ru alloy Inorganic materials 0.000 claims 1
- 229910052741 iridium Inorganic materials 0.000 claims 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims 1
- GIDFDWJDIHKDMB-UHFFFAOYSA-N osmium ruthenium Chemical compound [Ru].[Os] GIDFDWJDIHKDMB-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 1
Landscapes
- Microwave Tubes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4707788U JPH01150354U (fr) | 1988-04-06 | 1988-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4707788U JPH01150354U (fr) | 1988-04-06 | 1988-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01150354U true JPH01150354U (fr) | 1989-10-18 |
Family
ID=31273307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4707788U Pending JPH01150354U (fr) | 1988-04-06 | 1988-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01150354U (fr) |
-
1988
- 1988-04-06 JP JP4707788U patent/JPH01150354U/ja active Pending
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