JPH0143976B2 - - Google Patents
Info
- Publication number
- JPH0143976B2 JPH0143976B2 JP21973882A JP21973882A JPH0143976B2 JP H0143976 B2 JPH0143976 B2 JP H0143976B2 JP 21973882 A JP21973882 A JP 21973882A JP 21973882 A JP21973882 A JP 21973882A JP H0143976 B2 JPH0143976 B2 JP H0143976B2
- Authority
- JP
- Japan
- Prior art keywords
- filament
- negative terminal
- temperature
- terminal
- current
- 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
- 238000010586 diagram Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment 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
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/16—Cathodes heated directly by an electric current characterised by the shape
Landscapes
- Electron Sources, Ion Sources (AREA)
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57219738A JPS59111223A (ja) | 1982-12-15 | 1982-12-15 | テ−パ−付フイラメント陰極 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57219738A JPS59111223A (ja) | 1982-12-15 | 1982-12-15 | テ−パ−付フイラメント陰極 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59111223A JPS59111223A (ja) | 1984-06-27 |
JPH0143976B2 true JPH0143976B2 (en]) | 1989-09-25 |
Family
ID=16740206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57219738A Granted JPS59111223A (ja) | 1982-12-15 | 1982-12-15 | テ−パ−付フイラメント陰極 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59111223A (en]) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6630774B2 (en) | 2001-03-21 | 2003-10-07 | Advanced Electron Beams, Inc. | Electron beam emitter |
-
1982
- 1982-12-15 JP JP57219738A patent/JPS59111223A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59111223A (ja) | 1984-06-27 |
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