DE2004247A1 - Electroplating process and equipment - Google Patents

Description

BUCKBeE-BEARS Coiipeny 2 * 5 Eeet Sixth Strait ^: St. Paul, iinneeote, USA

Celvanlaier procedures and facilities

The present invention relates to a method eowie "ine means for temporary reduction dee diameter X of the holes in Sehetteneeeken for Farbferrieehbildröhren, ele to Schatteneeeke stencils ä ne at" printing dee PhoaphorpunktMuatere EUF to use the Shim the color picture tube ·

In Ferbferneehbildröhreniat the shadows * or Löchftaake zviachan den In the rear part of the picture tube and the phoaphore-coated BiIdaohir on the front of the tube. arranged. The electrons fill through ~ ^ * the holes in the fleake and baaufschlegen euf de «picture · eohir »one that evokes the corresponding color Phaephor point. Located behind every looh in the Locheaeka eich three eoloher Phoaphorpunkte, one eogen. color * triple bedded one »point for each basic color. In the lontege of the picture tube, the Locheeeke becomes ele Template dezu used, dee PhoaphorpunktKueter euf de · To raise image awareness, thee usually under Application of photographic techniques used in the industry today confesses a *. Including by laying the Phee * By means of the electron rotation, a picture of the magnitude of the possible brightness is added to the picture frame

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at the same time perfect alignment to the respective person Create Phoephorpunkta, auea dar Durchaaeear dar Phoephorpunkta In baatimitan grooves smaller eein ala dar final Diameter of the holes in the Schettenaeska. A.o. The application of the phosphorus point diffusion helps existing holes to facilitate Sohattenaaeke xu, nut to temporarily ground the passage of these holes, indsa the holes to the tall old ane taeitan iaterlal filled "earth, which is from the" Isterlel, aua da "die ■ aake exists, distinguishes. The reason «» eahel'b to fill the meadow the holes an andarae ietarlal ale dee iaekenaetsrlal is changed, lies in the fact that eieh then dee Second quarter reads aegMtzen without daee debei dia Gafehr consists, des. the ereta letcrlel ait away aird · let daa Phosphorpunktaustar alt Help dar Lochaeeke Euf the screen upright, the filling material is removed again, including the holes in the hole euf their original Crösss to vargrSaaern and thereby get the greatest possible brightness of the picture tube iu.

Cine the difficulties that come with it being temporary There is a reduction in the size of the holes and, when the material is deposited on the Iseka,

in, daee dia laeke gaatthnliah arched ial and ainan geachaeissten Rehab eufaelst. Soleh a geaSlbta taeke just let me see you covered, since lves represent faafilb · tan Tore) Caae euf dar surface dar laaka tingaaehlaa « san aerdan, whereby daa Uberzugeaetall unreliable ebgeeehladan will. Hlarduroh is being built on Irtllehen

009883/1376

Long in unequal length or overhead no excess. Soil d ·· Filling the holes after de «gelveniechen Procedure flleeebendihniieh take place »ίο * Ο ··· η iuiiirdas Before the gelation, fibers are removed from the leeke eo «i« real Cete eliminated »the calibrate with «electroplating» nt «. This is inseeeon dere, «enn dee auf dar ieeke ebiuscheidende ieterlel bep »· zinc iat *

Un an end-free application of the Phoephorpunktauetare do entrusted, let moreover one new control of the Ourchsieeeere of the Üttehar arfordatlich. BaIa typical Cslvenislersn this means dees " the service staff the loan size ble within 0.0050 ■ «(0.0002 inches) tax off.

With the present invention, "the avowed difficulties are resolved and the problem is resolved Autoetetic application made in the slide pre-treatment the ieeke e as well as the actual Galvenieiervorgeng in a * continuous, fluid-like workflow takes place

The present invention baataht aue a JJ

establishment and a) procedure for cleaning, neutral! - eggs and gelvenlechen übarilahen a vaulted perforated mask, ue the Ourohassssr of the holes at the same time xu redutiereh, eo deee dia masks all stencils on The PheepherpunktMuetere euf the screen used and, finally, know how to earth the top layer remove leather tu from the ieske. The arfindunfagaallea « Let arrangement be characterized by a "" rate stetion,

■■ 00-98.83 / 1376

-f-

In the dia leek, the purpose is to apply the material to be deposited in the coating, another station is used to deposit filler material on the surface of the reaction so that the holes in the flaaka are partially filled, a Device turn porting the mask from station to station, a further direction “dia prevents the galvanic Miadoraehlagan de · filling material” Ceeblaaan from sticking to the preformed Maaka, and a device that makes Ca ··, which ■ I in galvanic layers dea FUllaieteriela develop

^m An exemplary embodiment is shown in the drawing

shown. ε »point

Figure 1a-c the gelvsnlelaranlage according to the invention in a helbschsnetische side view,

Figure 2e-c the Calvani kidney in semi-automatic • atical Top view,

Figure 3 shows a partial cross section through dan. Celvaniaiartank, and

Figure 4 shows the gymnastics device, "it is ported to the Wk laaka and rotated u * 1S0 °"

Fig * ia ~ c show the original surface of the calyx 10 in Helbschaeietischer For · from the directs Tig. 2a-c show the system above »to the Celveni- • iaranlage * belongs, inter alia, to a cleaning policy 20, in the dia-arched mask 1S by argeniechen eder Fra »ietoffan is judged. Oa alle laakan alnaj « carry aie haste dea geaeineeae reference tent 16. The Cleaning station 20 contains a hot ··· peiileeung eder

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Caustic solution, "if you either sprayed off the (flaeka or into which ti · is immersed, ale the next station follows a ü / aachetation 21, in which the mask 15 aue ÖUatri 21 · Hosed down with water to stick to the mask Wash off caustic solution. Dia lüaschsfcation should prevent » that foreign matter or lye from a work station in an adjacent work station dragged "to earth and this station is thus contaminated"

Uiaschstation 21 is followed by a station 22 " which contains a nitric acid bath to put on the domed Mask 15 any rust or ifletal oxide to |

remove. The Basques are of course not able to earth normally cold rolled «! Stfehl produced, the roatanpflndllch let. The Rlaske 15 reaches a UJe schstation from the SaltpetersÜurebad 23, in which it is sprayed from nozzles 23i with itfeer in order to remove nitric acid adhering to the handle remove.

Behind the purple station 23 there follows a station 24 with a cyanide bath in which the surface of the mask is neutralized, ao de ·· a rapid train g

can be applied from meteriel to be separated. with the help of the basic net cover, the superficial the mask for the purpose of receiving the aigantlichan FUlltiatariala be improved. In beatiniitan skins this can * Sitting down at work, i.e. neutralizing and applying tines GrundUbsrzua.es, omitted and stettdatean of the FUllaatsrial was deposited directly on the fflaaka-

* ■ - ■ " ^: - ■ .- ■"' %
the. There is a bar behind the cyanide thaw bath

UiaechsteUon 25, L * d »r dia Rlaaka from nozzles 2Sa old

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: ·; ■■. ■ - 6 -

ionized «way is hosed down to en dar ieeke Wash off adhering cyehid solution. After that «cum nit deionized «Ulaaear gets dia laaka in tin · Drying chamber 26, no all with warm air from Heizapirelen • olang · is acquired until aia is dry.

The naxhate station also consists of a Calvaniaiartank 27, where dia laake is dipped into a gelveniachaa 8ad and a very thin base coat on one meter «La ataa receives copper. The thickness of this coating can be e.g. at 0.00005 bm (0.000002 inch). Even though

■ ^ Copper is preferred as ae a good conductive beeia for Since electroplating forms, other materials can also be used, provided they are well conductive Form Beaia.

After the »deposition of the basic equipment on the Maake lsi Galvanislertenk 27 merges the Heeke into one Washing station 28, where all the nozzles 28e old Wesssr ebge « is injected in order to cause problems stuck to the hedge • to change.

After leaving the leach station 28 galengt

P the ffioaka in an elongated electroplating type 29, in which a suitable Ubarzugiisteriel is electroplated on the fleske, and two so long, until the Durohaeeser of the holes etc. has reduced the size of the HMIfta. To reduce the length of the holes in the holes, a whole series of inverted Γϋΐΐ-meterielia, which result in a fine-grained stitching of leather, can be deposited on the hoe. The ietarielien include bepw. you gold and silver. However, they are generally comparable to the preferred link

^ttuir 009883/1376

After passing through the zinc cow geatation arrives the Meeke again In «ineleachitetion 30, in dar she from OUeen 30a »it Ulaeaer is hosed down to frendatoffa to remove the alü possibly in the Verzichkungietetlofi eufgenopuan has. AIg not doing goes through the weaka aina drying station 31 and then a KOhletetion 32. Uön here then the Iflaeke put in a control 33, in which eie are checked Kenn »Umfeetzuetel * lan whether the holes lift the correct croveee. Nech dleeer brief description of the individual StetlorT and their functions in Zueemwenheng “Or rather those particularities of the mooring are described, with the help of which an effective reduction in size can be achieved the Weekenlöcher is achieved »

Fig. 3 shows a part of the Gelwenitier tank in cross section. Ibj tank aind elongated anodes 40 close-up, un to direct the flow of water and cause precipitation there. Each anode 40 lit by a newly directed anode anode 41 in order to direct the reteriel to be deposited onto the mask. Ourch the eue Foreanoden and Anodenhelterung beete stephenie arrangement Geniee Fig. 3 is ensured, the · the ebzuecheldende iateriel "einwehdfrei by the Bedf lUseigkeit zirkuliertrUü euf the Baeke to form a glelBheiMeeigen coating" DieAnoden eue 40 beetehen jeweile a Ahzehl balls 4oe _t in lylÄndrlachen Anadenheiier 42 next to each other close to each other. Anode de ku »geiföreisen anodes, which can be easily changed, can be used cloth anodes enderet fore)« Oar anode heater 42 has two electrical wires 2uleUunf, en 42e,

009883 / Ϊ378

connected to a suitable energy source. At both ends of the anode heater, a rotatable extension 43 is provided, in which the anode heater . at 43e in the Gelvenieiertenk 29 is swivel-mounted, An adjusting lever 44 excites where · anode chime 41 neon above eut the tank, to da ·· the sedimentationepereon the anodes swing know without your hands in the bath fluid having to dive. In order to prevent undesired pivoting movement of the anode heater 42, a stop is provided Secure with a screw 45e and tighten it lets to arrest dan anode humility and thereby

™ an undesirable turning movement dee cheerful during the · To prevent celvation processes. Oer Calvenieiirtank 29 typically contains the same sets of adjustable anodes and anode holders as those on opposite sides The tank is arranged at a distance from each other and · In this way, the operator knows each and every one of them Adjust the anode heater to the galvanizing process to reinforce local areas of the preformed Raeke or weaken. The too · gelvaniechen over * the

fe Keeke required correct position of the anode heaters allows calibration to be determined empirically. In some cases, the filling material is unevenly or twisted graded deposited. With the present embodiment of divisible anode holders, this would be possible without any problems carry out.

To the need in the Celvenieiertenk 29 How to guard the mooring, is the plowing The drainage openings 70, 71 are constantly cleaned. during The purse becomes de · Celvenieiertenk ee clean

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Difficulty due to inflows 72, 73 arranged below won a suitable (not shown) source » The bath fluid in the tank is controlled by an external (not shown) device regulates the bed temperature, the pH value as well as the filters of the bath overpowered by a "0.0005 mm" filter. By monitoring, regulating and filtering the bath fluid, the Operationap.eraon eicheretellen, deai the bath fluidity in the Galvanized section 29 homogeneously iet.

In addition to the desire to produce dee

Covering pattern required covering the ffleakt with Jl Using multiple anodes is also a number of pressure * cylinder 11 is provided, which is calibrated in the transverse direction and bring the Seeken to the Galvaniaiartank

29 run through in the longitudinal direction. This transverse movement contributes to this »Giablaaen, which possibly aind eineachloaeen on the surface of the fflaake and which prevent that the maake in such places receive a coating, to free. The transverse movement of the weaken 15 takes place according to the invention by the pressure cylinder 11, which with the help of a device (not shown) the geaaate »above arranged Trahaportbahn 13 autoaetiach in Quarriehtung move »But it also affects the HMSgliohkeit, others Types of lateral movement to be provided for the ieiken, bap ·· along a ziekzeek or curved Behn, dir the Meekentreneporieur is able to follow. In the upper part daa Celvenleiertenka 29 (Fig. 3) aind two suction canals f> i »52 perish in the one ventilation pump (not shown) ENGINEEOHLOAEEN can be. -X like a new one « • on the other side the Tenka two (not three-tiered)

00 9583/137 6

AbaeugkenMle take precedence on which a vent can be attached to the same skin. In operation, the Puape sucks air through the Abseugkenila _t over the top of the tank in order to generate a constantly moving air above the need. Diaaar Luft «aentel travels the echidischen Ge nit, which forms the form of electroplating, and promotes aia nech dreussen,« o you can never end «echidlich« earth. The exhaustion channel must pass over the seeded lungs to ensure that the air is in constant motion over the whole area.

Fig * 4 shows a tellvaiee ia section of the set Meakentrenaportaur 12 to “Wear, lift and end the mask, 0er Treneporteur also has one the Traneportkotte 56 fortified opening 55, one Vertically displaceable Tregetenge 57 and a * cross member 54, which trigt the ffeeke 15. On the bracket 55 a pressure cylinder 58 is arranged, which is connected to a pressure source (not shown). Dar pressure cylinder ^ 'dar 58 has an extendable Druckatanga 58e, which has a Pletta 60 with a round slit was « echiabberen Tregetenge 57 connected let. By attaching a printing aial to the input 61 daa printing cylinder will the Drucketange 38a banking law according to euegefehren, wodutch also the Tragatanga 57 and dia leeke IS banking law to the top aua de «area of the relevant work station be moved. On the other hand, if input 62 is "in print"

If you give a signal, the carrier 57 is moved near the bottom and also deals the leakage. 18. Crfindu «gsge« Iea and die Impression cylinder «with help from Heltsrung 85 to Tranepart ·

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chain56 attached «Di ·· requires either pressure lines, which lead to a central turning device, or a « independent·! «I nit the pressure source moving with the Treneport chain. Ea are possible above you other survivors which have the same function * but with an * ender Hiechaniewue, eutgeUbt »ird. adapt. could the individual Pressure cylinder is attached to a device arranged above tein to the itesks when «reaching a predetermined Position to be lifted, or the individual pressure cylinders can be filed away and the geaa «- te Treneportbehn 13 by simultaneous · lifting and Lower eller banks raised vertically.

With «Durchleufen d ·· Celwenieiertenk · 29 become the Meekeni "ui rotated 100 °,« obrld · 1 · the Tenkeltt · ■ rr «I» n. Through dl · 1B0 ° wire, u. E. aoaeit «le • Often prevented "grounding" the · by iiseverhSltniaee in tank an unglelchaHaaigarNiederachleg varureecht «Ird.Das · Hochhebendar laake eue den Tenk takes place, inden the printing cylinder 58 receives a printing property. Itt the (Beeke lifted up, the operator knows the carrying bar 57 and dawit the Haak ··· by just pressing against it Turn the transfer element 54 slightly. Thanks to the «it» a «round slide Weraehene plate 60 can the printing rod 5Ba in Slide along the slot, the Meeke make her turning movement executed het. Z «he knows the PBetke you turned in Tenk "Earth" but "it is preferably from the low level of oil hereusgehoban, u «on the surface dar leek · ainge- • ohloaene Read do free "

Da alia laakentranaporteure and her · lifting devices the same »« are only one door penetrator

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20G4247

■ Described with lifting device.

Oe the leake level a rather nesaive « net, who runs the Streu beeeer and deals “honestly”. eoheidendee Meteil attracts ele the hole area of the tteeke, from the Maekenrand do not give a "protective cover $ 3 u" "Earth, dar eueterde" prevents daae an din Sei * tan dae leekenreheien iu much metal is removed *

In addition to a β1η »βϋςβη rotation, dar iaaka in Celveniiiertenk, the iaeka in" Ourohieufen de · Tenken "can also be rotated somewhat" in order to guarantee the correct gelvenieche effect on theeaa Qlaiea. OE W at the Meeke changes its position against the Relevant Upper anode eo de. ·· unerwünechte local Abecheidunfen comparable ■ ieden "ground. .

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Claims (12)

"" 2Ü04247 Petitioner claims / TT) Device for controlled reduction of the holes of a pre-forged waeke, in order to apply these as stencils to the mother To be able to use phosphor points, indicated by * a first stetion in which the ifeake aims to apply a coating of the material to be deposited [pre-treated becomes, a "next" station in which on the surface of the mask filler material is deposited, daa the ridiculous Mask partially filled in, a device for »transporting the ftlaeka from station to station, one more »K Device which prevents the fuleatefiala gas bubbles on the pre) tan during galvanic deposition fllaeke stick, and one device that removes gate, which develop during galvanic deposition dee füll net e'fiels. , 2. Device according to claim 1, characterized in that contains the erete station means to release the hatch of organic or Frendetoffen. 3> device according to claim 2, characterized characterized marked M deee, enthili the first stop means, the un leake to free of oxides " 4. Device according to claim 3, thereby identified zelkomV de the first station contains the means to euf to apply an electrically conductive betia to the girl. 5 «device according to claim 4, characterized in that deet contains the first stetion Slittel, ue · 1 » Preparation and application of an electrically conductive one Basis for a neutralization pad * 6. Setup according to claim 5, identified by 009883/1376 * ■■; ■ -. ^ ■ - 14 - draws, da ·· dia «festers station, in dar daa fullaatarial is deposited contains a number of zinc anodes. 7. The device nech Ampruch 4 _t characterized in that the further device comprising depositing the FUlltieterials DEAE prevented dan inclusion of Casblesen, including means to move galvanic the Haaka i "bed in transverse direction and deduroh to besaitigen Gesblaean of the surface of the Basque , 8. Device according to claim 7, characterized in that daea the device with dar (^ a se eliminated become, which are calibrated when the full eteriala is knocked down develop, contains Abseugkenäle, through which a Luftnentel is ebgeeaugt that the bein Abecheiden dee ruilneteriels on dar iaeka sich antwickalndan gases ait- leads. 9. Device according to claim 8, characterized in that the further 5tetion, in dar daa filler material is deposited, contains a number of distributable, elongated anodes, and materiel to be deposited , under gaatauerten conditions in the need laitan. 10. Device according to claim I, characterized in that The stations include a number of iaachatationan to prevent the cleaning solution and fraud. Lenght substances from one station to the other. 11 «device according to claim I, tfadurah characterized, that there is a device, u * dan bathroom apiagel daa galvanieohan iadae to refine. 12. Procedure for raising ainaa Ubarzugea do Füllsiateriel on a · vtrgeforsjte Maaka, to dl · Leeher 009883/1376 -.-- ".- ■> 15 - ■■. '■■■■ In the hole effect to be tinted by the following steps: Handle the surface with finer heleeen Atxleuge, remove orgenic substances, handle the surface with self-makers to remove oxides from the surface, apply oil to the surface. gelwenitche · Äbecheiden a · überiugee eu · Füllpeteriel euf the «thin overxug of the tease, keep the holes smaller, and continuously move the ieeke at« Abechelden dee FUlifiateriele, υβ.euf der ieeke an equal ύ ■■■ "■ - - ..--." '■■ "■' - '■■■■ -.. ■" -' ■■. "■■". . "'■. ■ ■" ^! To obtain a new filler cover. O09 883 / J37