DE1071170B - - Google Patents

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Publication number
DE1071170B
DE1071170B DENDAT1071170D DE1071170DA DE1071170B DE 1071170 B DE1071170 B DE 1071170B DE NDAT1071170 D DENDAT1071170 D DE NDAT1071170D DE 1071170D A DE1071170D A DE 1071170DA DE 1071170 B DE1071170 B DE 1071170B
Authority
DE
Germany
Prior art keywords
insulating
lie
components
marked
plate
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
DENDAT1071170D
Other languages
German (de)
Publication date
Publication of DE1071170B publication Critical patent/DE1071170B/de
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/325Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor
    • H05K3/326Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor the printed circuit having integral resilient or deformable parts, e.g. tabs or parts of flexible circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/11Printed elements for providing electric connections to or between printed circuits
    • H05K1/119Details of rigid insulating substrates therefor, e.g. three-dimensional details
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/18Printed circuits structurally associated with non-printed electric components
    • H05K1/182Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
    • H05K1/184Components including terminals inserted in holes through the printed circuit board and connected to printed contacts on the walls of the holes or at the edges thereof or protruding over or into the holes
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09009Substrate related
    • H05K2201/09081Tongue or tail integrated in planar structure, e.g. obtained by cutting from the planar structure
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10431Details of mounted components
    • H05K2201/10583Cylindrically shaped component; Fixing means therefore
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10431Details of mounted components
    • H05K2201/1059Connections made by press-fit insertion
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10613Details of electrical connections of non-printed components, e.g. special leads
    • H05K2201/10621Components characterised by their electrical contacts
    • H05K2201/10636Leadless chip, e.g. chip capacitor or resistor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Description

Mit gedruckten Leitungsbahnen versehene Platte, auf der elektrische Bauelemente befestigt sind Die Erfindung bezieht bich auf rille tnit gedruckten I-eitungsbahilelt ver@eltette fsolierstoffplatte, in der Durchbrechungen vorgesellon sind, iii die keine ge- sonderten elektrischen Anschlußorgane aufweisende. elektrische, langgestreckte Bauelemente mit ihrer I_ängsach;e mindestens fast parallel zur Hattenoher- Häche mindestem teilweise eingelasscit sind. und die Leitungsbahnen his unmittelbar all den Rand der Ausnehmungen geführt und dort mit Kontakt;telleii aii den Bauelementen verlötet sind. Mit Bauelemente 1lestiicl<te Isolierstotfplattrn diesrr Art sind bekannt. Die Umrisse dieser Bauelemente sind genauso groß wie die Umrisse der Durch- brechungen, in die sie eingelassen sind. Der Erfindung liegt nun die Aufgabe zugrunde, langgestreckte Bauelemente so in lsolierstoffplatten einzulassen, dall sie möglichst wenig über beide Seiten der Isolierstoffplatte hinausragen, dennoch aber durch die Platte nicht hindurchrutschen können. Um diesen beiden Forderungen zu genügen, haben entweder die Bauelemente einen größeren Umriß als die Durchbrechungen, so daß sie durch die Durch- brechungen nicht hindurchrutschen, oder in die Durch- brechungen ragest Zungen der Isolierstoffplatte, und die Bauelemente sind mit Ausnehmungen versehen, die iiller diese Zungen geschoben sind. In einer Ausbildung der Erfindung umgreifen die Leitungsbahnen die Stirnseiten der langgestreckten Bauelemente. Lntscheidend ist dabei nicht, daß die 1-eitungsbahnen die Ecken der Durchbrechungen um- greifen, wie (lies an sich bekannt. sondern daß die Leitungshahnen die Stirnseiten der langgestreckten Bauelemente umgreifen. In einer weiteren Ausbildung der Erfindung werden die Bauelemente mit den Isolierstoffplatten durch Tauchlöten verbunden, wie dies an sich bekannt ist. Weitere Einzelheiten der Erfindung ergeben sich .ins der nachfolgenden Beschreibung :in Hand der Figuren. Fig. 1 a zeigt eilte mit Leitungshahnen versehene Isolierstoffplatte, in der erfindungsgemäß Durchbrüche zur Befestigung voll Bauelementen vorgesehen sind. in Aufsicht; Fig. 1 Il zeigt einen Schnitt längs der Linie A-B nach Fig. l a; Fig. 3a zeigt eine Ausführungsform der Erfindung, bei der Zungen in rohrförmige Bauelemente ragen; Fig. 21) zeit eitlen Schnitt längs der Linie A-B in Fig.?a; Fig. 3a zeigt eine Ausführungsform der Erfindung, bei der die Bauelemente durch federnde Lappen in der Isolierstoffplatte festgeklemmt sind; Fig. 31l zeigt ein Schnittbild längs der Linie A-B in Fig. 3a; Fig. 3c -zeigt ein Schnittbild l:ings der Schnittlinie C-1) in Fig. 3a; Vig. -l zeigt eine Ausführungsform vier Erfindung, bei der sowohl Zungen in das Innere der Bauelemente ragen als auch Mittel zum seitlichen Festklemmen der Bauelemente vorgesehen sind; Fig. 5 zeigt eine Ausführungsform der Erfindung, bei (lein eine zu einem Bauelement führende 1.eitungsbahn federnd ausgebildet ist.Board provided with printed conductor tracks on which electrical components are attached The invention relates to grooved and printed grooves I-eitungsbahilelt ver @ eltette insulating material panel in which Breakthroughs are present, iii which do not separate electrical connection organs exhibiting. electrical, elongated components with their Longitudinally; e at least almost parallel to the Hattenoher- Hache are at least partially admitted. and the Pathways up to immediately all the edge of the Recesses out and there with contact; telleii aii the components are soldered. With components 1lestiicl <te Isolierstotfplattrn thisrr Kind are known. The outlines of these structural elements are just as large as the outlines of the breaks in which they are embedded. The invention is now based on the object elongated structural elements so in insulating material panels to let them in as little as possible on both sides protrude from the insulating plate, but still through the plate cannot slip through. In order to meet these two requirements, you have to either the components have a larger outline than the breakthroughs, so that they do not slip through breaks or into the breaks ragest tongues of the insulating plate, and the components are provided with recesses, the iiller these tongues are pushed. In one embodiment of the invention encompass the Conductive tracks the end faces of the elongated Components. It is not decisive that the 1 cable tracks around the corners of the openings grab how (read known. but that the Line taps the end faces of the elongated Grip around components. In a further embodiment of the invention the components with the insulating panels Dip soldering connected, as is known per se. Further details of the invention result .ins of the following description: in hand of the Characters. Fig. 1 a shows hastily provided with line taps Isolierstoffplatte, in the breakthroughs according to the invention for fastening full components are provided. under supervision; Fig. 11 shows a section along the line AB according to Fig. la; 3a shows an embodiment of the invention, in which tongues protrude into tubular components; Fig. 21) shows a void section along the line AB in Fig. 3a shows an embodiment of the invention, in which the components by resilient tabs in the insulating plate are clamped; 31l shows a sectional view along the line AB in Fig. 3a; FIG. 3c shows a sectional view 1 along the section line C-1) in FIG. 3a; Vig. -l shows an embodiment of the invention in which both tongues protrude into the interior of the components and means are provided for laterally clamping the components; Fig. 5 shows an embodiment of the invention in which (lein a 1st conduit leading to a component is designed to be resilient.

Erfindungsgemäß sind in Fig. 1 zvlinderfiirnli#Ie Baueleinrnte 11 in Durchbrechungen 12 eingelegt, die sich in der Isolierstoffplatte 17 befinden. Die Durchbrechungen 12 sind etwas länger als die Bauelemente 11, aber etwa, schmaler als die Durchmesser der Bauelemente 11, so daß die Bauelemente 11 nicht hindurchfallen. In Fig. 1 a sind drei verschiedene Kontaktpunkte 13, 14, 15 zwischen den Bauelementen 11 und den gedruckten Leitungsbahnen 18 dargestellt. Bei 13 wird ein Bauelement 11 an einer Stirnseite umfaßt. Bei 14 befindet sich die Lötstelle all der Seite des Bauelements 11 und hei 15 an der Seite einer Stirnfläche. Die Durchbrechungen 12 können auch etwas breiter als die Durchmesser der Bauelemente sein, wenn durch Hilfsvorrichtungen dafür besorgt wird, daß die Bauelemente heim Löten nicht durch die Durchbrechungen hindurchfallen. Die Form der Durchbrechungen ist nicht auf die Form von Rechtecken beschränkt; sie richtet sich vielmehr nach der Form der Bauelemente. Sollen z. B, mit Stirnkappen versehene Bauelemente befestigt werden, so müssen die Durchbrechungen in der Schaltungsplatte entsprechend den verdickten Stirtrseiten der Bauelemente etwas erweitert sein. 13ei der Ausfiihrungsfor»I nach Fig.2a und 21) hat (las 13attelcrnerrt 21 die Vorn( eines Röhrchens. Bei- spielsweise handelt es ;ich uns einett Keramikrohr- Icondettsator. Die Aussp (r»1:' 22 in der Schaltungs- platt<' vurjntlgt sich "!il <'lllur schtna11cite hin, 11111l zwar derart. (1:t13 Il:ls ,cllr;ig in stur Att,trel1ilrtttrg 11Cgerrde liatrelv11lcrtt ':ttt all stur gu(1l-niktell 1j-itllll anliegt. Auf der an(leretl Stielseite bleiht cillc' Itlllg(' 23 stellen. :\»f tli<',e lun,-e wird da-, Hatlek-rnent aufgeschohvll. 1)a (lie lia«ele»«#Itte durch die 7.1(1("t' auf der Platte fest@ehaltetl werden, 1a»11 dic I.öt- verl)i»(l«ttg zwisellell ßanelement Illnl @tnlrucl:t<vr Leitung aul.lur itn 1 lan(lliitverfahrctl auch im Tauch- liitv(!rfallr-ert erft)Ige». In I# ig. 3 ist eiste r\Ilsführ»llg,i()rnt der I.rtit)@ltltl.g dare,tellt. bei der da> 13a«eleme»t 31 wie in f#ig. 1 in einer Ruchteckaussparung liegt und durch eine Fetter 32 il) seiner Lagu gelralterr wird. 1)1'r al, Fuder ausgebildete Teil (Ier Schaltungsplatte wird l)t#isl>iel:_ weise 1)eirn .\tl;stai)zcll der Schlitze @et<t)ttttett. 1l10 Fede rfornr kalte beliebig sein. I)ie L.(*,)ttt»l der Patt elernente kann man hier von Hand und durch Tatschen vornehmen. In Fig. -1 sind Ausführungen zier Purchbrechungen dargestellt, die ebenfalls, wie bei Fig. 2. -zur Auf- nahme röhrchenförmiger Bauelemente 41 dienen. Die Federn 43, 44, 45 hallen unterschiedliche Forrnun. Die Zun-en nach (teil Ausführungsformen der Fig. 2 sind zu H:rlte:tns:itzerr 42 verstümmelt. Die 1-Ialteansäitze 42 können auch fortfallen, so daß zylindrische Bau- elemente in die Aussparungen eingesetzt lverden können. Bei der Ausführungsform nach Uig. 5 ist eine Schlitzform vorgesehen, bei der (las Bauelement 51 mit einem als Feder ausgebildeten Teilstück der Schaltung 52 von der Stirnseite her in seiner Lage festgehalten wird. In diesem Fall sind auch 'Ver- lötungen an den Stirnseiten der Bauelemente möglich. According to the invention, in FIG. 1, cylinder filaments 11 are inserted into openings 12 which are located in the insulating plate 17. The openings 12 are somewhat longer than the components 11, but approximately narrower than the diameter of the components 11, so that the components 11 do not fall through. In Fig. 1 a, three different contact points 13, 14, 15 between the components 11 and the printed conductor tracks 18 are shown. At 13 , a component 11 is included on one end face. At 14 the soldering point is on all the side of the component 11 and at 15 on the side of an end face. The openings 12 can also be somewhat wider than the diameter of the components if auxiliary devices are used to ensure that the components do not fall through the openings after soldering. The shape of the perforations is not limited to the shape of rectangles; rather, it depends on the shape of the components. Should z. B, components provided with end caps are fastened, the openings in the circuit board must be somewhat widened in accordance with the thickened front sides of the components. 13 in the embodiment according to FIGS. 2a and 21) (read the saddle part 21 the front (of a tube. for example it is; I am looking for a ceramic tube Icondettsator. The Aussp (r »1: '22 in the circuit flat <'protrudes "! il <' lllur schtna11cite down, 11111l indeed like that. (1: t13 Il: ls, cllr; ig in sturdy Att, trel1ilrtttrg 11Cgerrde liatrelv11lcrtt ': ttt all stur gu (1l-niktell 1j-itllll is present. On the (leretl side of the stem leads cillc 'Itlllg (' 23 places. : \ "F tli <', e lun, -e becomes da-, Hatlek-rnent aufgeschohvll. 1) a (lie lia «ele» «# Itte through the 7.1 (1 (" t ' be fixed on the plate, 1a »11 dic I.öt- verl) i »(l« ttg zwisellell ßanelement Illnl @tnlrucl: t <vr Line aul.lur itn 1 lan (lliitverfahrctl also in diving liitv (! rfallr-ert erft) Ige ». In I # ig. 3 is eiste r \ Ilsführ »llg, i () rnt der I.rtit) @ ltltl.g dare, tellt. with da> 13a «eleme» t 31 as in fig. 1 is in a rear recess and through a Fetter 32 il) its Lagu gelralterr. 1) 1'r al, Fuder formed part (the circuit board becomes l) t # isl> iel: _ wise 1) eirn. \ tl; stai) zcll of the slots @et <t) ttttett. 1l10 Fede rfornr cold be any. I) ie L. (*,) Ttt »l the stalemate You can learn parents here by hand and by hand Make deeds. In Fig. -1, embodiments are ornamental breaks shown, which also, as in Fig. 2. take tubular components 41 are used. the Springs 43, 44, 45 have different shapes. the Tying according to (part of the embodiments of Fig. 2 are to H: rlte: tns: itzerr 42 mutilated. The 1-Ialteansäitze 42 can also be omitted, so that cylindrical structural elements inserted into the recesses can. In the embodiment according to Uig. 5 is a Slit shape is provided in which (read component 51 with a section designed as a spring Circuit 52 from the front in its position is being held. In this case, 'ver soldering is possible on the end faces of the components.

Claims (1)

PATENT ANS PR ÜC11E: 1. Mit gedruckten Leitungsbahnen versehene Isolierstof£platte, in der Durchbrechungen vorgesehen sind, in die keine gesonderten elektrischen :\n,cllltrl3()rganc aufweisen (1e, elektrische. lang- ;@estrecl:t<- ßattelcnrentc mit ihrer I.ängsacltse untrdustuns fast parallel zur 1'I:rtt(,not)erH:iclrt' tnitt(lc,tens teilweise eingel:l,sen ;ind, und (lie l_l'1tl@lt@Sl>allnen 1)1s trllrllttt<'1llal' all (Ivu I@all(l der .\ll,lle'itnlllllge'll gefllhrt 11111l dort 1111I I\l)II(aI:C- ,tellet@ all r1( '1) lla«elel»c»ten l-erli(tet ;intl, dadurch gel:e»ttzeicltnet. dal.i (lie 13at«'lemellte erllun :@t-iille- relt l'mriß l)al)cn als (lie I)urchl>reclnlltgett. .(1 (I:11; .,i1' durch dic I)urchl)rech«ttgen nicht hin- (@nrcl)r«t,cl)en oder (1a13 in (lie 1>urclll)rcch»tlgetl Zungen du r Isolierstoffplatte ragen u11(1 die 13au- e@emente mit Auslrchmun;grn verschelr sitlti. die üil<'r diese lt« fett gescltcil>el) sind, ?. Mit g('(lr-tlcl<tutl L-t'itttt)gsl@:tlttlen vur,ehunu Is()licr-st))ffplatte stach Anspruch 1. dadurch g(- kennzeichnet, (1a13 die Leitungsbahnen slic Sti`rn- ,eittvl der Ianggt:streckten Hauelemente umgreifet). .i. Mit -c(Irttckten l.eitult@sl>ahncn versehene lsolierst()ffplatte nach Anspruch I. dadurch gc- ket)I)zeic@u@et. (1a1.1 (sie Bauclornente scitr:i@ in (ter Isolloritt)ffplatt(' 110"1'1l. -1. Mit ,gedruckten Leitungsbalrrren versehene Is()li(#rstt)ffpl:tttt# nach Anspruch 1. dadurch ,g<'- I:<'n»zeichnet, tlaß seitlich der Durchhrechungert aus der [soherstofplatte federnde "heile ausge- arbeitet sind. die gegen die ß:r«elemente drücken. 5. NI 1t gedrtlckteil l.rit»ngsbalrnen versehen<' Isolierstotfl)latte nach Artspruch 1, dadurch kennzeichnet, daß beidseitig des Endes einer zu einem elektrischen Bauelement Cleführten Leitungs- hahn Schlitze in der Isolierstotlplatte vorgesehen sind. so (saß (las freie Ende der Leitungsbahn federt. 6. Mit gedruckten Leitungshahnen versehene Isolierstofplatte nach Anspruch 1, dadurch ge- kennzeichnet, daß die Bauelemente mit den Lei- tungsbahnen - wie an sich bekannt - durch Tauchtöten verbunden sind.
In Betracht gezogene Druckschriften: Britische Patentschriften Nr. 758 688, 78-1 709: USA.-Patentschrift Nr. 2 777 039.
PATENT ANS PR ÜC11E: 1. Insulating material plate provided with printed conductor tracks in which openings are provided in which no separate electrical : \ n, cllltrl3 () rganc have (1e, electrical. long- ; @estrecl: t <- ßattelcnrentc with its longitudinal axis untrdustuns almost parallel to the 1'I: rtt (, not) erH: iclrt ' tnitt (lc, tens partially inserted: l, sen; ind, and (lie l_l'1tl @ lt @ Sl> allnen 1) 1s trllrllttt <'1llal' all (Ivu I @ all (l der . \ ll, lle'itnlllllge'll lead 11111l there 1111I I \ l) II (aI: C- , tellet @ all r1 ( '1) lla «elel» c »th l-erli (tet; intl, thereby gel: marked. dal.i (lie 13at «'lemelte erllun: @ t-iille- relt l'mriß l) al) cn as (lie I) urchl> reclnlltgett. .(1 (I: 11;., I1 'through the I) urchl) right not back (@nrcl) r «t, cl) en or (1a13 in (lie 1> urclll) rcch» tlgetl Tongues from the insulating plate protrude u11 (1 the 13 e @ emente with Auslrchmun; green verschelr sitlti. the üil <'r these lt «bold marked> el) are, ?. With g ('(lr-tlcl <tutl L-t'itttt) gsl @: tlttlen vur, ehunu Is () licr-st)) ffplatte stuck claim 1, thereby g (- identifies, (1a13 the ducts slic Sti`rn- , eittvl der Long: stretched building elements encompassed). .i. Marked with -c (Irttckten l.eitult@sl> ahncn Insulating () ff plate according to claim I. ket) I) zeic @ u @ et. (1a1.1 (she Bauclornente scitr: i @ in (ter Isolloritt) ffplatt ('110 "1'1l. -1. Provided with printed cable bars Is () li (#rstt) ffpl: tttt # according to claim 1, thereby, g <'- I: <'n "draws, let the throat starve to the side from the [soherstoffplatte resilient "heal- are working. that press against the ß: r «elements. 5. NI 1t pressed part l.rit »ngsbalrnen provided <' Isolierstotfl) latte according to Artspruch 1, thereby indicates that one is closed on both sides of the end an electrical component cable routed Tap slots are provided in the insulating stub plate are. so (sat (read the free end of the duct springs. 6. Provided with printed line taps Insulating panel according to claim 1, characterized in that indicates that the components with the lines tungsbahnen - as known per se - by Immersion kills are associated.
References considered: British Patent Nos. 758,688, 78-1,709: U.S. Patent No. 2,777,039.
DENDAT1071170D Pending DE1071170B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688867A (en) * 1985-01-19 1987-08-25 Allied Corporation Circuit board with integral positioning means
EP0761075A1 (en) * 1994-05-25 1997-03-12 James Cook University of North Queensland Printed circuit board socket
EP0797379A3 (en) * 1996-03-18 1998-01-07 KRONE Aktiengesellschaft Circuit board and process for mounting and soldering of electronic components in accurate positions on the surface of the circuit board
EP2117285A1 (en) * 2008-04-29 2009-11-11 Siemens Aktiengesellschaft Österreich Switch carrier for holding a ferrite construction element

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB758688A (en) * 1953-04-07 1956-10-10 T S Skillman And Company Pty L Improvements in printed circuit arrangements
US2777039A (en) * 1954-06-29 1957-01-08 Standard Coil Prod Co Inc Resistor elements adapted for use in connection with printed circuits
GB784709A (en) * 1953-08-13 1957-10-16 Standard Coil Prod Co Inc Fixed frequency amplifier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB758688A (en) * 1953-04-07 1956-10-10 T S Skillman And Company Pty L Improvements in printed circuit arrangements
GB784709A (en) * 1953-08-13 1957-10-16 Standard Coil Prod Co Inc Fixed frequency amplifier
US2777039A (en) * 1954-06-29 1957-01-08 Standard Coil Prod Co Inc Resistor elements adapted for use in connection with printed circuits

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688867A (en) * 1985-01-19 1987-08-25 Allied Corporation Circuit board with integral positioning means
EP0761075A1 (en) * 1994-05-25 1997-03-12 James Cook University of North Queensland Printed circuit board socket
EP0761075A4 (en) * 1994-05-25 1998-09-23 Univ James Cook Printed circuit board socket
EP0797379A3 (en) * 1996-03-18 1998-01-07 KRONE Aktiengesellschaft Circuit board and process for mounting and soldering of electronic components in accurate positions on the surface of the circuit board
US5999412A (en) * 1996-03-18 1999-12-07 Krone Aktiengesellschaft Printed-circuit board and method for the precise assembly and soldering of electronic components on the surface of the printed-circuit board
EP2117285A1 (en) * 2008-04-29 2009-11-11 Siemens Aktiengesellschaft Österreich Switch carrier for holding a ferrite construction element

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