JPH0211713Y2 - - Google Patents
Info
- Publication number
- JPH0211713Y2 JPH0211713Y2 JP1905884U JP1905884U JPH0211713Y2 JP H0211713 Y2 JPH0211713 Y2 JP H0211713Y2 JP 1905884 U JP1905884 U JP 1905884U JP 1905884 U JP1905884 U JP 1905884U JP H0211713 Y2 JPH0211713 Y2 JP H0211713Y2
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- filament
- wehnelt electrode
- base portion
- electron gun
- 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
- 238000010894 electron beam technology Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Electron Sources, Ion Sources (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1905884U JPS60131949U (ja) | 1984-02-13 | 1984-02-13 | 電子銃 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1905884U JPS60131949U (ja) | 1984-02-13 | 1984-02-13 | 電子銃 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60131949U JPS60131949U (ja) | 1985-09-03 |
| JPH0211713Y2 true JPH0211713Y2 (en]) | 1990-03-28 |
Family
ID=30508275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1905884U Granted JPS60131949U (ja) | 1984-02-13 | 1984-02-13 | 電子銃 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60131949U (en]) |
-
1984
- 1984-02-13 JP JP1905884U patent/JPS60131949U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60131949U (ja) | 1985-09-03 |
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