DE2036676C3 - Cylindrical, double-walled accelerator electrode - Google Patents

Description

6. Accelerator electrode after one of the approaches

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8. Accelerator electrode after one of the

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times stand on the optical axis. that di

55-sided partial cylinder with the same uurcnmcssci uiuci divides which are axially spaced from one another

are ordered and have the same potential.

An exemplary embodiment of the invention is explained in more detail below with the aid of a drawing.
6o of an image converter tube are shown in the drawing

The present invention relates to a cylindrical cathode and the accelerator electrode dargedrische, double-walled accelerator electrode with provides, while the luminescent screen and the current to electric conductive connection between the wall duct to this and to the accelerator electrode, not shown for image converter tubes with electrostatic loading and the bracket for the latter acceleration, at which for the formation of the image 65 are.

converter cathode evaporation devices through which a cathode 2 is in a known manner on the

Wall of the accelerator electrode close to the inside of the tube of a radiolucent geder optical axis are insertable. curved glass body 1 applied. The supply line

3 4

4er voltage to the cathode 2 takes place over one of the gap is dependent, so that with more extensive

the glass body 1 holding metallic ring 3. Verdarapferanrichtungen one Vercniecmerung aer

The cathode potential is possible with cylindrical electrical image quality.

den4 and5 in the direction towards the luminescent screen bis This disadvantage can be circumvented if brought to the height of the accelerator electrode. The t after a further training ^ ^Γ grounding ^ Kon electrode 4, which is welded gas-tight to the accelerator electrode on the metallisone ring 3 around iüeseioe, also serves as a vacuum envelope. Is set as a second hollow body, £ fmaö the support of the fluorescent screen "and at the same time as this embodiment is as HoniKorper electrical insulator is a glass cylinder is fused, the accelerating electrode of two cylinders la, i4 electrode 4 of this. 6 The second electrode, which is at a distance from one another, or the same electrode S, is Schleuniger electrode welded to a flanged edge of the gap 16 between the cylinders v1, ii of the outermost electrode. The cylinder 14, above which the accelerator electrode essentially consists of a cylinder 10 is flanged on the cathode side "" Larks made of two cylindrical hollow bodies 10, 11 at least partially closes a hollow between the axes of rotation in the optical axis of the cylinder 10 and 14. uer z.yunaer 1 j transducer tube and which serve to each other in such a way at the same time as a support for the entire "ω * υ-are arranged that between them a gap 16 entigerelectrode, in which the ^ ß ^^ P ¹ JT ₁₁ "{£ stands. The cylinder 11 goes into a truncated cone "" - summarizes the hollow body 12 welded to the cylinder 13, which can be turned against the. The two additional cylinders left. Extended luminescent screen. An image converter tube * o 14 have the same P » ¹ ™stens ⁶ ^ ™" ν "£ can be operated with an accelerator bracket of the cylinder 10 and 14_ ertoigt by means of an electrode, only the cylinder 10 would have to with supports 15 between the Cylinders 13 and with, among other things, electrically conductive supports on the cylinder 11 - the cylinder 10 is also supported, which is also supported. The gap between the two cylinders of the cylinder 14 is designed in such a way that at each end 10 and 11 a weld can be made between the two cylinders 10 and 14 between a fused connection piece 7, shown at just a few points. led evaporator furnace in the optical axis. The outer cylinders 13 and 14, which cause the electric field inside the same potential as the accelerator electrode due to the gap 16, cause the penetration of the earth to be influenced from the outside every 30 tentials is practically eliminated by the gap 16 in the direction of the optical axis. would be continuously connected. The width of the i> paidie, however, enlarged by the necessary supports 16, can also vary within wide limits without being able to be. It has been shown that the field 35 that the electric field in the BescnleumgereieK strength in the area of the gap 16 would be strongly influenced by the width.

1 sheet of drawings

Claims (1)

m, between the walls for Bildwandletröhren with jte T ^ TUs cause the advertising is not applied § ^ static acceleration in which for J ° ^ ^w ^ ^d _a S tubes, the anode is usually, GR W- the formation of the image intensifier cathode comparison ^to *>"* JJ ^ ¹ J _51st cathode side facing zy Ü steamers through the wall of the R ^^^ f Saebüdet It suggests that the m the accelerator electrode in the vicinity of the optical "^^^" ^ SSeses cylinder. The axis can be introduced, thereby marked- ^Ab * ^ fJJ ^ _n Offenlegungsschrift 1439587 Γ shows that the accelerator electrode m, ^^ has been made, this cylinder double-walled two double-walled partial cylinders (10 14! Or U, Λ «^ gg ^ evaporator devices between 13) is divided with the same diameter, the dig «™ Τ» cylinder can be installed permanently. By doing at an axial distance from each other are 15 see J ^^ - T ring gap between the two fi and have the same potential. SJäSISÄ is closed, the f: 2. Beschleanigerelektrode according to claim 1, ZyUndera t ™ _"Ver steamer equipment such Ψ characterized in that the base areas srtfatajg ^ ° ^en _d " _{ß only} Se cathode layer of the two walls (10,14 and II, 13) of each Zyhn- & f ^ J * rf ^a ' at least on the other cylinder ao surcharge ^ «J _§ ^ _{that the} evaporation facing side lie in one plane _fer SnricS "en after formation of the cathode in 3. accelerating electrode according to claim !, ^'erem ^ "" f4 _Iben addition, also remains in a characterized in that the inner tubes convertible reinrichtungpn Jer veröieioe. _Ventampfe. Dung (10) of that cylinder, the closer to the mufuhrun ^ ^g ^^ to ^ ^ _Ausbnd cathode is, the cathode side opposite the au- _"5 This ^le ^" J ^ann _{fields have} n and projecting the Abbilßeren wall (14). the egg """T *, _{un" ü} cheap swiss influence. This in 4. Accelerator electrode according to claim, dungse.genschJ ^ ¹ ^ _dl ^g _{e can} go but also characterized in that the electrical connection Betneb ^ SKs ^ riKn. As is well known, the connection between the two cylinders via the otherwise connecting night vision devices on the two outer walls and for the purpose of ₃ o such BJdwwjterrobren _{hen controls are used} Bracket of one cylinder opposite the ^A. ™ f ^e . ^u . ⁿ _n ^d _m ^ ^e _{other hard} n mechanical demands other hollow ^ er serving webs (IS) in front of ^^^ SSSTcnn skh now a holding is taken. sprucnu »^ _{h aJs defective on} _ 5. Accelerator electrode according to claim 4, tion of these parts ^ os ^ mu 'e _still ^ characterized in that the between the 35 8 ^^. ^? · ° * ^ ™ £ mtc. Walls (10, 14 or 11, 13) Hegende Raum »^« ^^^^ (ζ. Β. Swiss pa- of each cylinder on the other Zy- ^. ^ ST ^ Sa ^ evaporator devices linder averted side with a bottom made of tent 3l6 948) be ^ cue ^ _{1 and after} the same material as the walls of closed-^ ^ ^ J J ^ Ussen ^ J ^ f _away. will now