JPH037872Y2 - - Google Patents
Info
- Publication number
- JPH037872Y2 JPH037872Y2 JP20028183U JP20028183U JPH037872Y2 JP H037872 Y2 JPH037872 Y2 JP H037872Y2 JP 20028183 U JP20028183 U JP 20028183U JP 20028183 U JP20028183 U JP 20028183U JP H037872 Y2 JPH037872 Y2 JP H037872Y2
- Authority
- JP
- Japan
- Prior art keywords
- tungsten wire
- thermionic emitter
- thermal expansion
- coating
- thermionic
- 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 17
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 claims description 16
- 229910003468 tantalcarbide Inorganic materials 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims 1
- 239000010408 film Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 229910026551 ZrC Inorganic materials 0.000 description 2
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20028183U JPS60112053U (ja) | 1983-12-29 | 1983-12-29 | 熱電子放出体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20028183U JPS60112053U (ja) | 1983-12-29 | 1983-12-29 | 熱電子放出体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60112053U JPS60112053U (ja) | 1985-07-29 |
| JPH037872Y2 true JPH037872Y2 (en]) | 1991-02-27 |
Family
ID=30760982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20028183U Granted JPS60112053U (ja) | 1983-12-29 | 1983-12-29 | 熱電子放出体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60112053U (en]) |
-
1983
- 1983-12-29 JP JP20028183U patent/JPS60112053U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60112053U (ja) | 1985-07-29 |
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