JPS59259U - X-ray tube cathode structure - Google Patents

X-ray tube cathode structure

Info

Publication number
JPS59259U
JPS59259U JP9559182U JP9559182U JPS59259U JP S59259 U JPS59259 U JP S59259U JP 9559182 U JP9559182 U JP 9559182U JP 9559182 U JP9559182 U JP 9559182U JP S59259 U JPS59259 U JP S59259U
Authority
JP
Japan
Prior art keywords
ray tube
cathode structure
cathode
tube cathode
dome
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
Application number
JP9559182U
Other languages
Japanese (ja)
Inventor
真一 河合
Original Assignee
株式会社東芝
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社東芝 filed Critical 株式会社東芝
Priority to JP9559182U priority Critical patent/JPS59259U/en
Publication of JPS59259U publication Critical patent/JPS59259U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はＸ線管を示す概略構成図、第２図は従来の陰極
構体を示す斜視図、第３図は第２図の陰極構体で用いる
陰極を示す斜視図、第４図ａ、　　ｂは第２図の陰極構
体における陰極から放出される電子軌道を示す図で、ａ
は第２図Ａ−Ａ’での断。 面図、ｂは第２図Ｂ−Ｂ’での断面図、第５図及び第６
図はこの考案の一実施例に係るＸ線管の陰極構体を示す
斜視図と断面図、第７図ａ、　　ｂ、　　ｃはこの考案
の変形例を示す断面図である。Fig. 1 is a schematic configuration diagram showing an X-ray tube, Fig. 2 is a perspective view showing a conventional cathode structure, Fig. 3 is a perspective view showing a cathode used in the cathode structure shown in Fig. 2, and Figs. 4 a and b. is a diagram showing the trajectory of electrons emitted from the cathode in the cathode structure of FIG.
is a section taken along line A-A' in Figure 2. Top view, b is a sectional view taken along line BB' in Figure 2, Figures 5 and 6.
The figures are a perspective view and a sectional view showing a cathode structure of an X-ray tube according to an embodiment of this invention, and FIGS. 7a, b, and c are sectional views showing a modification of this invention.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）集束電極番史設けた集束溝内に、電子放出面がド
ーム状又はこれに近い形状の陰舞を配設し、この陰極の
内側にヒータを設けたことを特徴とするＸ線管の陰極構
体。(1) An X-ray tube characterized by having a dome-shaped electron emitting surface or a dome-like shape arranged in a focusing groove provided with a focusing electrode, and a heater provided inside the cathode. cathode structure. （２）上記陰極は、タングステン、トリウム−タングス
テン、モリブデン、ランタンーモリブデ）、タンタル等
の高融点材料からなっている実用新案登録請求の範囲第
１項°記載のＸ線管の陰極構体。。(2) The cathode structure for an X-ray tube according to claim 1, wherein the cathode is made of a high melting point material such as tungsten, thorium-tungsten, molybdenum, lanthanum-molybde, tantalum, or the like. .
JP9559182U 1982-06-25 1982-06-25 X-ray tube cathode structure Pending JPS59259U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9559182U JPS59259U (en) 1982-06-25 1982-06-25 X-ray tube cathode structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9559182U JPS59259U (en) 1982-06-25 1982-06-25 X-ray tube cathode structure

Publications (1)

Publication Number Publication Date
JPS59259U true JPS59259U (en) 1984-01-05

Family

ID=30228211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9559182U Pending JPS59259U (en) 1982-06-25 1982-06-25 X-ray tube cathode structure

Country Status (1)

Country Link
JP (1) JPS59259U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63199475A (en) * 1987-02-16 1988-08-17 Toshiba Corp Gas laser device
JP2011049108A (en) * 2009-08-28 2011-03-10 Toshiba Corp X-ray tube, and x-ray ct apparatus equipped with the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63199475A (en) * 1987-02-16 1988-08-17 Toshiba Corp Gas laser device
JP2011049108A (en) * 2009-08-28 2011-03-10 Toshiba Corp X-ray tube, and x-ray ct apparatus equipped with the same

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