JPH0718121Y2 - 電子銃 - Google Patents
電子銃Info
- Publication number
- JPH0718121Y2 JPH0718121Y2 JP1987179100U JP17910087U JPH0718121Y2 JP H0718121 Y2 JPH0718121 Y2 JP H0718121Y2 JP 1987179100 U JP1987179100 U JP 1987179100U JP 17910087 U JP17910087 U JP 17910087U JP H0718121 Y2 JPH0718121 Y2 JP H0718121Y2
- Authority
- JP
- Japan
- Prior art keywords
- control electrode
- filament
- electron gun
- insulator
- emitter material
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 15
- 239000012212 insulator Substances 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 239000000758 substrate Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001579 optical reflectometry Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179100U JPH0718121Y2 (ja) | 1987-11-25 | 1987-11-25 | 電子銃 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179100U JPH0718121Y2 (ja) | 1987-11-25 | 1987-11-25 | 電子銃 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0183251U JPH0183251U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-02 |
| JPH0718121Y2 true JPH0718121Y2 (ja) | 1995-04-26 |
Family
ID=31470683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987179100U Expired - Lifetime JPH0718121Y2 (ja) | 1987-11-25 | 1987-11-25 | 電子銃 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0718121Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524706U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1978-08-04 | 1980-02-18 | ||
| JPS5596533A (en) * | 1979-01-17 | 1980-07-22 | Toshiba Corp | Assembling method and device of electron gun |
-
1987
- 1987-11-25 JP JP1987179100U patent/JPH0718121Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0183251U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-02 |