JPH0412587Y2 - - Google Patents
Info
- Publication number
- JPH0412587Y2 JPH0412587Y2 JP8668587U JP8668587U JPH0412587Y2 JP H0412587 Y2 JPH0412587 Y2 JP H0412587Y2 JP 8668587 U JP8668587 U JP 8668587U JP 8668587 U JP8668587 U JP 8668587U JP H0412587 Y2 JPH0412587 Y2 JP H0412587Y2
- Authority
- JP
- Japan
- Prior art keywords
- end shield
- cathode
- thermionic
- thermionic emission
- metal coating
- 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
Links
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000010953 base metal Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8668587U JPH0412587Y2 (de) | 1987-06-05 | 1987-06-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8668587U JPH0412587Y2 (de) | 1987-06-05 | 1987-06-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63196548U JPS63196548U (de) | 1988-12-19 |
JPH0412587Y2 true JPH0412587Y2 (de) | 1992-03-26 |
Family
ID=30943220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8668587U Expired JPH0412587Y2 (de) | 1987-06-05 | 1987-06-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0412587Y2 (de) |
-
1987
- 1987-06-05 JP JP8668587U patent/JPH0412587Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS63196548U (de) | 1988-12-19 |
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