DE1814768U - GRID FOR ELECTRON TUBES. - Google Patents

Description

DipL-lng. VV. Meissner -j

Dipl.-lng. H. Tischer

I Berlin-Grunewald /Hefbert.tr. 22. Tel. 97 72 Sf

Lattice fir

The innovation is shown on the blackened © grid

Wl »Mnanrir» become grids of electron tubes, - ^; -. besoadera grids old high operating temperature often »chw & ret. fft * black * grids are good

./ ^: etreiaer »that's why your thermal grid / emission is small.

So far the grids have mostly been made of graphite ■ ·. ' öder Itt »· geachwürit, die» has alaer among others the

- 3S * oh part _t daaa the applied graphite or layer does not stick and aich ron der

-. de replaces. i) he graphite haw »Kuaes starts alch then

Remaining electrodes aerial electron tubes, a, B, on 41 ° cathode, mm Mx fit tube is harmful. Apart from that, the strength of the owed silk can no longer be regulated within a long range of limits, which is also disadvantageous.

The Saoiiteil «are neuerungagöraäsö dadvtrch au bypass », since the grid is electrolytically blackened»

. So on elektrolytlsohea away ttnd a layer Metals / or applying Ketalloxydes in oiner good rea strength * This layer adheres to the tall genügaad feet, el "either with the Gitterarabt or the Gitteretrel> s and awar either nocii in wire form or the finished grid applied will. As a result of the new design, it is also possible to use advantageously part of the glazing of wires, because this can be done without damaging the eahwaraea layer

"IUID. Foam manufacture Karui, also% n can be naoiigespannt known. Titter When retightening hießegea dl" Ruaschicht the grid almost la- mmr is "damaged.

334 «iiöueruiag ^ -imäeaeo. Lattices can also be used instead of "rgoM ^ te * & itt * y" aleo al © St "uergltt * 3r _t their stupid ribs.

mim & m® SeiiioMt confesses

"Ϋβ" ig ujad black chrome / or chromium, but other metals mat "M / M © can: r _t Metalloxyae such as Kotaltoxyd, vanadium oxide, titanium oxide uavv. can be used. In the case of electrolyte application, one must proceed so that the solid metal and / or metal oxide is immediately attenuated * for sale, these are a simple procedure for a month , needless to say, a more detailed description.

Impact energy voa electrons lower

Tension is not enough to e »B. Ghxomoxyd too Tubes for high voltages will ^ eäook the ghrom-

by bombarding with electrons ^ roaser velocity in öhrommetall msA oxygen kernet »'*. Wt 4iea "a termiden" ici $ nja "Ji in this case the fitter galraniech 80 is overseen, do not touch the side of the grid facing the cathode by 41" aefewaraie Sohic & t * This is reached m "ia. by arranging the electrode accordingly in the galYani-8chem bath. The lattice struts can then also remain unsurpassed.

SattLrlioÄ can fire in a wide variety of ways wetee au «g # be guided? the following Example should therefore by no means be interpreted in a restrictive manner.

Molybdenum wire with a diameter iron 25 / U

if there is a galvanic, watery earomtad put on, go ”· durek an öhroabaa bent, also to which a chromium oxide decliioh -t is treated · Such baths hold Iu well-known W“ i ”e apart from chroaic acid as well. «Mnttfit or Kletssig. Daa Abaclieiden takes place in MoIy döndr aii t al "cathode * lie mode determined on" The current density used is 0.5 Ma 5 Jk / em ι while the temperature is around room temperature or about a higher. The ÄbscJaeidezeit is 1 to S Kinutan. The wire taken from the electroplating bath is washed in deionized water and then dried with alcohol. Then a blackening mm Ckroaö3Kyd "oiiicb.t τοπ on the wire. 1 htm 3 / u Starke afeg «achi © d» Ä and the finished wire can be closed after drying . Grids wrapped

Claims (1)

29-Rp ! Γ Apr. • f · fttr i that deir $ itte? & r «3rt mid / odör di« "Ixt" euaiiaftend "U ^ erÄOßSßohicht aus Metal and / or Ketallox ^ d carries, iceimB indicates “that the β ciawar ^ e lattice over to ^ au »one of the following» βtali «t> aw · aua liirem Oxyd beat eh ti Kobalt, Vanaditui ,, Titan » 3 * aitt ^ relelectrode after J ^ spruohen 1 * 2, köimzeiciinet, the »dl · strength of the » tth ^ m ^ zen uiid / ocler Oxydeciaicht waaigetene 1 / U The cored glues that the side exposed to the cathode eats excessively, while that of the cathode
Since "the lattice wire a ¥" w · the struts * i, te e black layer is covered *