DE3321666A1 - Arrangement for connecting circuit boards - Google Patents

Arrangement for connecting circuit boards

Info

Publication number
DE3321666A1
DE3321666A1 DE19833321666 DE3321666A DE3321666A1 DE 3321666 A1 DE3321666 A1 DE 3321666A1 DE 19833321666 DE19833321666 DE 19833321666 DE 3321666 A DE3321666 A DE 3321666A DE 3321666 A1 DE3321666 A1 DE 3321666A1
Authority
DE
Germany
Prior art keywords
circuit board
printed circuit
flexible printed
arrangement
parts
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.)
Withdrawn
Application number
DE19833321666
Other languages
German (de)
Inventor
Georg 8451 Hahnbach Erras
Wolfgang 8450 Amberg Miek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE19833321666 priority Critical patent/DE3321666A1/en
Priority to JP12352284A priority patent/JPS6014491A/en
Publication of DE3321666A1 publication Critical patent/DE3321666A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9505—Constructional details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0286—Programmable, customizable or modifiable circuits
    • H05K1/029—Programmable, customizable or modifiable circuits having a programmable lay-out, i.e. adapted for choosing between a few possibilities
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09372—Pads and lands
    • H05K2201/09445—Pads for connections not located at the edge of the PCB, e.g. for flexible circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10106—Light emitting diode [LED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10189—Non-printed connector
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10431—Details of mounted components
    • H05K2201/10439—Position of a single component
    • H05K2201/10446—Mounted on an edge
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/17—Post-manufacturing processes
    • H05K2203/175—Configurations of connections suitable for easy deletion, e.g. modifiable circuits or temporary conductors for electroplating; Processes for deleting connections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/361—Assembling flexible printed circuits with other printed circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)
  • Combinations Of Printed Boards (AREA)

Abstract

The invention relates to an arrangement for connecting hybrids by means of the supply lead and the indication of electrical proximity switches. A flexible printed circuit board is used for this purpose which is connected to the hybrid in the centre region and whose free ends are electrically conductively connected to the supply lead on the one hand and to the indication on the other hand. Contact-making rings are provided on the flexible printed circuit board on the supply lead side, and their positions are matched to the connections of a commercially available plug device.

Description

Anordnung zum Verbinden von Schaltunsplatinen Die Erfindung bezieht sich auf eine Anordnung zun Verbinden von Schaltungsplatinen, vorzugsweise Hybriden, mit weiteren Geräteteilen, insbesondere bei einem elektrischen Näherungsschalter.Arrangement for connecting circuit boards The invention relates focus on an arrangement for connecting circuit boards, preferably hybrids, with other parts of the device, especially with an electrical proximity switch.

Bei bekannten Näherungsachalter der obengenannten Art wurden die einzelnen Leiter als Einzelleiter auf die Anschlußbahnen der Leiterplatten bzw. der Hybride einzeln aufgelötet. Der gleiche Vorgang wurde fUr die Zuleitungen zur Lumineszenzdiode wie auch zur Sensorspule des Näherungsschalters durchgeführt.In the case of known approximate successors of the type mentioned above, the individual Conductor as a single conductor on the connecting tracks of the circuit boards or the hybrids individually soldered. The same process was used for the leads to the light emitting diode as well as for the sensor coil of the proximity switch.

Der Erfindung liegt die Aufgabe zugrunde, die interne Verdrahtung, insbesondere bei Näheruugsschaltern insbesondere hinsichtlich des Fertigungsaufwandes, zu vereinfachen. Diese Aufgabe wird auf einfache Weise dadurch gelöst, daß an der Schaltungsplatine eine flexible Leiterplatte über die Leiterbahnen elektrisch leitend befestigt ist, deren Enden mit den weiteren Geräteteilen elektrisch leitend verbindbar sind. Um den Fertigungsaufwand weiter zu verringern, ist es vorteilhaft, wenn die weiteren Geräteteile auf der einen Seite die Zuleitung und auf der anderen Seite eine Anzeige (Lumineszenzdiode) des Näherungsschalters ist. Hierdurch ist es mit nur einmaligem Anschließen an den Hybrid möglich, sowohl die Zuleitung als auch die Anzeige zu kontaktieren. Un den Näherungsschalter zu programnieren, d.h. den Schalter als Öffner oder Schließer betreiben zu können, mußten bisher Brücken eingelötet werden. Auch in dieser Richtung läßt sich die Fertigung des Näherungsschalters vereinfachen, wenn die flexible Leiterplatte zur Schaltungsänderung mit abtrennbaren Plattenteilen versehen ist.The invention is based on the task of the internal wiring, especially with proximity switches, especially with regard to the manufacturing effort, to simplify. This object is achieved in a simple manner that at the Circuit board a flexible printed circuit board electrically conductive over the conductor tracks is attached, the ends of which can be connected to the other parts of the device in an electrically conductive manner are. In order to further reduce the manufacturing costs, it is advantageous if the other device parts on one side the supply line and on the other side is a display (luminescent diode) of the proximity switch. This is how it is with Only one connection to the hybrid is possible, both the supply line and the to contact the ad. To program the proximity switch, i.e. the Switch as normally closed contact or Until now, you had to be able to operate normally open contacts Bridges are soldered in. The production of the proximity switch can also be carried out in this direction Simplify if the flexible circuit board to change the circuit with detachable Plate parts is provided.

Um mit gleichen Teilen arbeiten zu können, wenn der Näherungsschalter einerseits mit einem Steckanschluß und andererseits mit einem Kabelanschluß versehen werden soll, ist es vorteilhaft, wenn die Zuleitungsseite mit einer Steckvorrichtung angepaßten Kontaktierungsringen versehen ist. Um eine Halterung der Lusineszenzdiode durch eine Vorrichtung beim Vergießen entbehrlich zu machen ist es weiterhin von Vorteil, wenn die Lumineszenzdiode zumindest vor dem Vergießen von der flexiblen Leiterplatte getragen ist.To be able to work with equal parts when the proximity switch provided on the one hand with a plug connection and on the other hand with a cable connection is to be, it is advantageous if the supply side with a plug-in device adapted contact rings is provided. To mount the lusinescent diode it can still be made dispensable by a device when potting Advantage if the light emitting diode at least before the potting of the flexible PCB is worn.

Anhand der Zeichnung wird ein Ausführungsbeispiel gemäß der Erfindung beschrieben.An exemplary embodiment according to the invention is illustrated with the aid of the drawing described.

Es zeigen: Fig. 1 eine Schnittdarstellung durch einen gemäß der Erfindung aufgebauten Näherungsschalter und Fig. 2 die Ausbildung der flexiblen Leiterplatte zun Verbinden des Hybrides mit der Zuleitung und der LED.1 shows a sectional illustration through one according to the invention built-up proximity switch and FIG. 2 shows the design of the flexible printed circuit board to connect the hybrid with the lead and the LED.

Der Näherungsschalter nach Fig. 1 besteht aus dem Hybrid 1 mit Keramiksubstrat, das in einer Gewindehülse 2 aus Kunststoff oder Metall eingeführt ist, die nach dem Anschluß in bekannter Weise mit Kunststoff ausgegossen wird. An der oberen Seite ist die flexible Leiterplatte 3 angelötet oder angeklebt, derart, daß die Leiterbahnen 4 auf der flexiblen Leiterplatte 3 mit nicht näher dargestellten Leiterbahnen auf den Hybrid 1 in Kontakt kommen. Die flexible Leiterplatte 3 ist auf der einen Seite 5 mit Kontaktierungsringen 6 entweder für die Leiterenden 7 der Anschlußleitung 8 oder aber fUr eine nicht näher dargestellte Steckvorrichtung versehen. Auf der anderen Seite 9 sind Anschlußfahnen 10 für die Lumineszenzdiode 11 vorhanden, die in eine Öffnung 12 in der flexiblen Leiterplatte 3 eingeschoben wird, um hierbei mit den Anschlußfahnen 10 zu kontaktieren. Eine U-förmige Leiterbahn 13 auf dem abtrennbaren Plattenteil 14 dient zum Verändern der Schaltungsart, d.h. die Näherungsschalter entweder mit Schließer- oder Öffnerfunktion auszustatten, und zwar dadurch, daß das Plattenteil 14 abgetrennt wird und damit die U-förmige Leiterbahn 13 aufgetrennt wird. Die Trennung erfolgt gemäß der Linie 15. Es ist ersichtlich, daß die flexible Leiterplatte 3 lediglich im Bereich der Leiterbahnen 4 mit dem Hybrid 1 in Verbindung gebracht werden muß und daß sich hierbei gleichzeitig eine Anschlußmöglichkeit für die Anschlußleitung 8 und für die Lumineszenzdiode 11 ergibt. Es wäre denkbar, das Hybrid so auszugestalten, daß auch der Anschluß für den Schwingkreiskondensator 16 und die Schwingspule 17 mit der flexiblen Leiterbahn 3 verbunden sind. Im Ausführungsbeispiel ist hier Jedoch eine gesonderte flexible Leiterplatte 18 benutzt worden, die an einer anderen Stelle des Hybrids 1 angeschlossen ist. Da nach dem Vergießen keinerlei mechanische Beanspruchungen auf die Verbindung zwischen flexibler Leiterplatte und Hybrid einwirken, können diese Verbindungen vorteilhafterweise über Klebeverbindung hergestellt werden. Es ist ersichtlich, daß sich gegenhuber bekannten Näherungsschaltern der obengenannten Art eine wesentliche Fertigungsvereinfachung bei der Herstellung derartiger Näherungsschalter durch die Erfindung ergibt.The proximity switch according to Fig. 1 consists of the hybrid 1 with a ceramic substrate, which is inserted in a threaded sleeve 2 made of plastic or metal, which after the connection is poured in a known manner with plastic. On the upper side the flexible printed circuit board 3 is soldered or glued in such a way that the conductor tracks 4 on the flexible printed circuit board 3 with conductor tracks not shown in detail the Hybrid 1 in contact come. The flexible circuit board 3 is on one side 5 with contact rings 6 either for the conductor ends 7 the connecting line 8 or for a plug-in device not shown in detail Mistake. On the other side 9 are connecting lugs 10 for the light emitting diode 11 is present, which is inserted into an opening 12 in the flexible printed circuit board 3 is to make contact with the terminal lugs 10 here. A U-shaped conductor track 13 on the separable plate part 14 is used to change the type of circuit, i.e. to equip the proximity switches with either a normally open or normally closed function, namely in that the plate part 14 is separated and thus the U-shaped Conductor 13 is separated. The separation takes place according to the line 15. It is it can be seen that the flexible printed circuit board 3 only in the area of the conductor tracks 4 must be associated with the hybrid 1 and that this is at the same time a connection for the connecting line 8 and for the light emitting diode 11 results. It would be conceivable to design the hybrid in such a way that the connection for the resonant circuit capacitor 16 and the voice coil 17 with the flexible conductor track 3 are connected. In the exemplary embodiment, however, there is a separate flexible one here Printed circuit board 18 has been used, which is connected to another point of the hybrid 1 is. Since there is no mechanical stress on the connection after casting between the flexible printed circuit board and the hybrid, these connections can are advantageously made via an adhesive connection. It can be seen that compared to known proximity switches of the above type an essential Manufacturing simplification in the manufacture of such proximity switches by the Invention results.

5 PatentansprUche 2 Figuren5 claims 2 figures

Claims (5)

?atentansrüche 1. Anordnung zum Verbinden von Schaltungsplatinen, vorzugsweise Hybriden, mit weiteren Geräteteilen, insbesondere bei einem elektrischen Näherungsschalter, d a -d u r c h g e k e n n z e i c h n e t , daß an der Schaltungsplatine (Hybrid 1) eine flexible Leiterplatte (3) Uber die Leiterbahnen (4) elektrisch leitend befestigt ist, deren Enden (6, 10) mit den weiteren Geräteteilen (8, 11) elektrisch leitend verbindbar sind.? atentansrüche 1. Arrangement for connecting circuit boards, preferably hybrids, with other parts of the device, especially an electric one Proximity switch, d a -d u r c h e k e nn n e i c h n e t that on the circuit board (Hybrid 1) a flexible printed circuit board (3) electrically conductive over the conductor tracks (4) is attached, the ends (6, 10) with the other device parts (8, 11) electrically are conductively connectable. 2. Anordnung nach Anspruch 1, d a d u r c h g e -k e n n z e i c h n e t , daß die weiteren Geräteteile auf der einen Seite (5) die Zuleitung (8) und auf der anderen Seite eine Anzeige (Lumineszenzdiode 11) des Näherungsschalters ist.2. Arrangement according to claim 1, d a d u r c h g e -k e n n z e i c h n e t that the other parts of the device on the one hand (5) the supply line (8) and on the other side a display (luminescent diode 11) of the proximity switch is. 3. Anordnung nach Anspruch 1 oder 2, d a d u r c h g e k e n n z e i c.h n e t , daß die flexible Leiterplatte (3) zur Schaltungsänderung mit abtrennbaren Plattenteilen (14) versehen ist.3. Arrangement according to claim 1 or 2, d a d u r c h g e k e n n z e i c.h n e t that the flexible printed circuit board (3) to change the circuit with detachable Plate parts (14) is provided. 4. Anordnung nach Anspruch 2, d a d u r c h g e -k e n n z e i c h n e t , daß die Zuleitungsseite (8) mit einer Steckvorrichtung angepaßten Kontaktierungsringen (6) versehen ist.4. Arrangement according to claim 2, d a d u r c h g e -k e n n z e i c h n e t that the supply side (8) with a connector adapted contact rings (6) is provided. 5. Anordnung nach Anspruch 2, d a d u r c h g e -k e n n z e i c h n e t , daß die Lumineszenzdiode (11) zumindest vor dem Vergießen von der flexiblen Leiterplatte (3) getragen ist.5. Arrangement according to claim 2, d a d u r c h g e -k e n n z e i c h n e t that the light-emitting diode (11) at least before the encapsulation of the flexible Printed circuit board (3) is carried.
DE19833321666 1983-06-15 1983-06-15 Arrangement for connecting circuit boards Withdrawn DE3321666A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19833321666 DE3321666A1 (en) 1983-06-15 1983-06-15 Arrangement for connecting circuit boards
JP12352284A JPS6014491A (en) 1983-06-15 1984-06-15 Device for connecting circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833321666 DE3321666A1 (en) 1983-06-15 1983-06-15 Arrangement for connecting circuit boards

Publications (1)

Publication Number Publication Date
DE3321666A1 true DE3321666A1 (en) 1984-12-20

Family

ID=6201591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833321666 Withdrawn DE3321666A1 (en) 1983-06-15 1983-06-15 Arrangement for connecting circuit boards

Country Status (2)

Country Link
JP (1) JPS6014491A (en)
DE (1) DE3321666A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3706681A1 (en) * 1987-03-02 1988-09-15 Kirsten Elektrotech Electrical switch
DE9200770U1 (en) * 1992-01-23 1992-03-05 Siemens AG, 8000 München Proximity switch with adaptation to sensor size
DE9200772U1 (en) * 1992-01-23 1992-03-05 Siemens AG, 80333 München Proximity switch with switching status display
DE4320327C1 (en) * 1993-04-13 1994-06-01 Siemens Ag Sensors or actuators for connection onto bus line - have block with blade contacts that are loaded to pierce cable insulation that is secured by screw clamping unit
DE4416096A1 (en) * 1994-04-19 1995-10-26 Deutsche Telephonwerk Kabel Contacting of actuating and display means
DE4023792C2 (en) * 1990-07-26 2000-05-11 Siemens Ag Method of manufacturing a proximity switch with a mounting sleeve
EP4006496A1 (en) * 2020-11-27 2022-06-01 Pepperl+Fuchs SE Subassembly for a sensor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1265256B (en) * 1965-11-04 1968-04-04 Siemens Ag Method of manufacturing a thin-film electronics assembly
DE1940373A1 (en) * 1969-08-08 1971-02-18 Schaller Werner Dipl Ing Method for manufacturing and arranging an electronic circuit
GB1411918A (en) * 1972-11-02 1975-10-29 Gossen Gmbh Electrical component arrangement
DE2419327A1 (en) * 1974-04-22 1975-11-06 Uher Werke Muenchen Contacting method for printed circuit board - with one or several plugs connected by insulated wires to the board contact points
DE2513710A1 (en) * 1975-03-27 1976-10-07 Reinshagen Kabelwerk Gmbh Flat flexible cable having printed conductors - has supply and control conductors for multiple devices, removed by stamping
US4296457A (en) * 1979-01-15 1981-10-20 Vdo Adolf Schindling Ag Apparatus for electrically connecting a plurality of contacts

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1265256B (en) * 1965-11-04 1968-04-04 Siemens Ag Method of manufacturing a thin-film electronics assembly
DE1940373A1 (en) * 1969-08-08 1971-02-18 Schaller Werner Dipl Ing Method for manufacturing and arranging an electronic circuit
GB1411918A (en) * 1972-11-02 1975-10-29 Gossen Gmbh Electrical component arrangement
DE2419327A1 (en) * 1974-04-22 1975-11-06 Uher Werke Muenchen Contacting method for printed circuit board - with one or several plugs connected by insulated wires to the board contact points
DE2513710A1 (en) * 1975-03-27 1976-10-07 Reinshagen Kabelwerk Gmbh Flat flexible cable having printed conductors - has supply and control conductors for multiple devices, removed by stamping
US4296457A (en) * 1979-01-15 1981-10-20 Vdo Adolf Schindling Ag Apparatus for electrically connecting a plurality of contacts

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3706681A1 (en) * 1987-03-02 1988-09-15 Kirsten Elektrotech Electrical switch
DE4023792C2 (en) * 1990-07-26 2000-05-11 Siemens Ag Method of manufacturing a proximity switch with a mounting sleeve
DE9200770U1 (en) * 1992-01-23 1992-03-05 Siemens AG, 8000 München Proximity switch with adaptation to sensor size
DE9200772U1 (en) * 1992-01-23 1992-03-05 Siemens AG, 80333 München Proximity switch with switching status display
WO1993015554A1 (en) * 1992-01-23 1993-08-05 Siemens Aktiengesellschaft Proximity switch adaptable to various sensor sizes
DE4320327C1 (en) * 1993-04-13 1994-06-01 Siemens Ag Sensors or actuators for connection onto bus line - have block with blade contacts that are loaded to pierce cable insulation that is secured by screw clamping unit
DE4416096A1 (en) * 1994-04-19 1995-10-26 Deutsche Telephonwerk Kabel Contacting of actuating and display means
EP4006496A1 (en) * 2020-11-27 2022-06-01 Pepperl+Fuchs SE Subassembly for a sensor

Also Published As

Publication number Publication date
JPS6014491A (en) 1985-01-25

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