JPS61133949U - - Google Patents
Info
- Publication number
- JPS61133949U JPS61133949U JP418186U JP418186U JPS61133949U JP S61133949 U JPS61133949 U JP S61133949U JP 418186 U JP418186 U JP 418186U JP 418186 U JP418186 U JP 418186U JP S61133949 U JPS61133949 U JP S61133949U
- Authority
- JP
- Japan
- Prior art keywords
- chip
- lanthanum boride
- electron gun
- support electrode
- graphite
- 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.)
- Pending
Links
- 229910052746 lanthanum Inorganic materials 0.000 claims description 5
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Solid Thermionic Cathode (AREA)
Description
第１図は電子銃の構造の一例を示す図、第２図
は本考案による電子銃のグラフアイトチツプの一
実施例の斜視図である。
主要部分の符号の説明、１……ホウ化ランタン
チツプ、２……グラフアイトチツプ、３……支持
電極、４……調節ネジ。
FIG. 1 is a diagram showing an example of the structure of an electron gun, and FIG. 2 is a perspective view of an embodiment of the graphite chip of the electron gun according to the present invention. Explanation of symbols of main parts: 1...lanthanum boride chip, 2...graphite chip, 3...support electrode, 4...adjustment screw.
Claims (1)
ホウ化ランタンチツプを挾持するための支持電極
と前記ホウ化ランタンチツプ及び前記支持電極の
間に挿入されたグラフアイトチツプを有する電子
銃であつて、前記グラフアイトチツプの前記ホウ
化ランタンチツプ及び前記支持電極との接触面を
除く他の表面が高融点材料によつて被覆されてい
ることを特徴とする電子銃。 An electron gun comprising a lanthanum boride chip for emitting thermionic electrons, a support electrode for holding the lanthanum boride chip, and a graphite chip inserted between the lanthanum boride chip and the support electrode, the electron gun comprising: An electron gun characterized in that other surfaces of the graphite chip other than the contact surfaces with the lanthanum boride chip and the support electrode are coated with a high melting point material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP418186U JPS61133949U (en) | 1986-01-16 | 1986-01-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP418186U JPS61133949U (en) | 1986-01-16 | 1986-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61133949U true JPS61133949U (en) | 1986-08-21 |
Family
ID=30479508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP418186U Pending JPS61133949U (en) | 1986-01-16 | 1986-01-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61133949U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53114659A (en) * | 1977-03-16 | 1978-10-06 | Jeol Ltd | Cathode for thermal electron emission |
-
1986
- 1986-01-16 JP JP418186U patent/JPS61133949U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53114659A (en) * | 1977-03-16 | 1978-10-06 | Jeol Ltd | Cathode for thermal electron emission |
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