JPH0267546U - - Google Patents
Info
- Publication number
- JPH0267546U JPH0267546U JP14686688U JP14686688U JPH0267546U JP H0267546 U JPH0267546 U JP H0267546U JP 14686688 U JP14686688 U JP 14686688U JP 14686688 U JP14686688 U JP 14686688U JP H0267546 U JPH0267546 U JP H0267546U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- cathode
- impregnated
- electron
- lead wire
- 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
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
Landscapes
- Solid Thermionic Cathode (AREA)
Description
第１図はこの考案の一実施例による含浸型陰極
の断面図、第２図は従来の含浸型陰極を示す断面
図である。図において、１は電子放射面、２は陰
極基体、４は陰極筒体、６はヒータ、７は充填剤
、８はヒータリード線、９はヒータリード用円筒
体である。尚、図中、同一符号は同一、又は相当
部分を示す。
FIG. 1 is a sectional view of an impregnated cathode according to an embodiment of this invention, and FIG. 2 is a sectional view of a conventional impregnated cathode. In the figure, 1 is an electron emitting surface, 2 is a cathode substrate, 4 is a cathode cylinder, 6 is a heater, 7 is a filler, 8 is a heater lead wire, and 9 is a cylinder for a heater lead. In the drawings, the same reference numerals indicate the same or equivalent parts.
Claims (1)
され一端面を電子放射面とする陰極基体の他端面
側にヒータ部が取付けられ、このヒータ部が陰極
筒体と陰極筒体内に一対のヒータリード線がその
開口から延出する様に配置されたヒータと、この
ヒータを上記陰極筒体内に埋設するヒータ充填剤
とからなる含浸型陰極において、ヒータリード線
の部分を円筒体とすることを特徴とする含浸型陰
極。 The pores of the porous metal substrate are impregnated with an electron-emitting substance, and one end surface serves as an electron-emitting surface.A heater section is attached to the other end surface of the cathode substrate. In an impregnated cathode comprising a heater arranged such that the heater lead wire extends from an opening thereof, and a heater filler embedding the heater in the cathode cylinder, the heater lead wire portion is formed into a cylindrical body. An impregnated cathode featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14686688U JPH0267546U (en) | 1988-11-10 | 1988-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14686688U JPH0267546U (en) | 1988-11-10 | 1988-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0267546U true JPH0267546U (en) | 1990-05-22 |
Family
ID=31416748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14686688U Pending JPH0267546U (en) | 1988-11-10 | 1988-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0267546U (en) |
-
1988
- 1988-11-10 JP JP14686688U patent/JPH0267546U/ja active Pending
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