DE102008018886A1 - Assembly part manufacturing method for use during manufacturing of e.g. micro switch, involves positioning component at another component in carrier such that former component is fastened at latter component and is separated from carrier - Google Patents
Assembly part manufacturing method for use during manufacturing of e.g. micro switch, involves positioning component at another component in carrier such that former component is fastened at latter component and is separated from carrier Download PDFInfo
- Publication number
- DE102008018886A1 DE102008018886A1 DE200810018886 DE102008018886A DE102008018886A1 DE 102008018886 A1 DE102008018886 A1 DE 102008018886A1 DE 200810018886 DE200810018886 DE 200810018886 DE 102008018886 A DE102008018886 A DE 102008018886A DE 102008018886 A1 DE102008018886 A1 DE 102008018886A1
- Authority
- DE
- Germany
- Prior art keywords
- component
- carrier
- separated
- additional element
- smd
- 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- Withdrawn
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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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/20—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern
- H05K3/202—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern using self-supporting metal foil pattern
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0056—Apparatus or processes specially adapted for the manufacture of electric switches comprising a successive blank-stamping, insert-moulding and severing operation
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/328—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H2011/0087—Welding switch parts by use of a laser beam
-
- 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
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0388—Other aspects of conductors
- H05K2201/0397—Tab
-
- 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
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10742—Details of leads
- H05K2201/1075—Shape details
- H05K2201/10848—Thinned leads
-
- 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
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10742—Details of leads
- H05K2201/10886—Other details
- H05K2201/10946—Leads attached onto leadless component after manufacturing the component
-
- 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
- H05K2203/10—Using electric, magnetic and electromagnetic fields; Using laser light
- H05K2203/107—Using laser light
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3431—Leadless components
- H05K3/3442—Leadless components having edge contacts, e.g. leadless chip capacitors, chip carriers
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Herstellung eines Bauelements nach dem Oberbegriff des Patentanspruchs 1 sowie ein Bauelement nach dem Oberbegriff des Patentanspruchs 7.The The invention relates to a method for producing a component according to the preamble of patent claim 1 and a component according to the preamble of claim 7.
Solche Verfahren werden beispielsweise bei der automatisierten Montage von Einzelteilen eines elektrischen Schalters eingesetzt. Hierbei können die Bauelemente in einem Streifen für die automatische Zuführung vorliegen.Such Procedures are used, for example, in automated assembly used by individual parts of an electrical switch. in this connection can the components are present in a strip for the automatic feed.
Das Bauelement umfaßt ein erstes Bauteil sowie ein am ersten Bauteil befestigtes zweites Bauteil. Beim Verfahren zur Herstellung eines derartigen Bauelements wird das zweite Bauteil in einem Träger zum ersten Bauteil zugeführt. Die Bauteile können dabei insbesondere in zwei unterschiedlichen Stanzgittern zugeführt werden. Es hat sich nun herausgestellt, daß hierbei ein vermehrter Ausschuß auftritt, insbesondere wenn SMD-Bauteile als zweite Bauteile auf dem ersten Bauteil angeordnet werden. Besonders stark tritt diese negative Auswirkung bei der Befestigung von SMD-Bauteilen auf elektrischen Leitern auf, beispielsweise bei der Herstellung von elektrischen Schnapp- und/oder Mikroschaltern.The Component includes a first component and a second component attached to the first component Component. In the method for producing such a device the second component is fed in a carrier to the first component. The Components can do this be fed in particular in two different lead frames. It has now been found that in this case an increased committee occurs, in particular if SMD components be arranged as second components on the first component. Especially this negative effect occurs strongly in the attachment of SMD components on electrical conductors, for example during manufacture of electrical snap-action and / or microswitches.
Der Erfindung liegt die Aufgabe zugrunde, das Bauelement sowie das Verfahren zu dessen Herstellung derart weiterzuentwickeln, daß die Qualität gesteigert und damit der Ausschuß vermindert wird.Of the Invention is based on the object, the device and the method to develop it so that the quality increased and thus reduce the committee becomes.
Diese Aufgabe wird bei einer gattungsgemäßen Verfahren zur Herstellung eines Bauelements durch die kennzeichnenden Merkmale des Anspruchs 1 sowie bei einem gattungsgemäßen Bauelement durch die kennzeichnenden Merkmale des Anspruchs 7 gelöst.These Task is in a generic method for the production a component by the characterizing features of the claim 1 and in a generic device solved by the characterizing features of claim 7.
Beim erfindungsgemäßen Herstellverfahren wird das zweite Bauteil im Träger auf dem ersten Bauteil positioniert. Anschließend wird dann das zweite Bauteil auf dem ersten Bauteil befestigt sowie vom Träger ausgetrennt. Insbesondere werden somit Bauteile, die sich in einem Stanzgitter befinden, aus diesem ausgetrennt und auf einem Trägermaterial platziert sowie befestigt. Beim erfindungsgemäßen Bauelement ist das zweite Bauteil über ein Zusatzelement am ersten Bauteil befestigt bzw. gefügt. Das Zusatzelement ist derart dimensioniert, daß mechanische Spannungen, insbesondere aufgrund von Wärmewechselbelastungen, ausgleichbar sind.At the inventive production method is the second component in the carrier positioned on the first component. Subsequently, then the second component mounted on the first component and separated from the carrier. Especially Thus, components that are in a stamped grid, from this separated and placed on a carrier material as well as attached. In the device according to the invention is the second Component over an additional element attached or joined to the first component. The additional element is dimensioned such that mechanical Tension, in particular due to heat exchange loads, compensated are.
Vor allem bei der Befestigung von SMD-Bauteilen auf einem umspritzten metallischen Stanzgitter ist herausgefunden worden, daß durch die differenten Wärmeausdehnungskoeffizienten zwischen SMD-Bauteil und Stanzgitter es bei Wärmewechselbelastungen zu mechanischen Spannungen kommt, die die stoffschlüssige Verbindung sowie das SMD-Bauteil zerstören können. Vorteilhafterweise vermeidet die Erfindung diese nachteiligen Auswirkungen. Somit werden die Qualität des Bauelements und dessen Herstellverfahren gesteigert sowie der Ausschuß vermindert.In front especially in the attachment of SMD components on an overmolded metallic punched grid has been found by the different thermal expansion coefficients between SMD component and punched grid it is too mechanical at thermal cycling Tension comes, which the cohesive connection as well as the SMD component to destroy can. Advantageously, the invention avoids these adverse effects. Thus, the quality the component and its manufacturing process increased and reduced the Committee.
Weitere Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Further Embodiments of the invention are the subject of the dependent claims.
In einer Ausgestaltung wird beim erfindungsgemäßen Herstellverfahren das zweite Bauteil zuerst befestigt und anschließend ausgetrennt. In einer anderen Ausgestaltung wird das zweite Bauteil gleichzeitig befestigt und ausgetrennt, womit in kostengünstiger Weise ein Arbeitsschritt eingespart wird. Um eine weitere Steigerung der Qualität zu erzielen, ist es zweckmäßig, daß das Befestigen und/oder Austrennen des zweiten Bauteils mittels Laserstrahlen erfolgt. Um eine weitgehend automatisierte Herstellung zu schaffen, bietet es sich an, daß der Träger als Stanzgitter ausgestaltet ist. In diesem Fall kann in einfacher Weise das zweite Bauteil im Träger durch wenigstens eine Verbindungsstelle im Träger befestigt sein, wobei die Verbindungsstelle beispielsweise in der Art einer Brücke ausgestaltet ist. Selbstverständlich kann zwecks Vereinfachung auch das erste Bauteil in einem Träger, insbesondere als Stanzgitter, vorliegen.In an embodiment is the second in the manufacturing process according to the invention Component first attached and then separated. In a In another embodiment, the second component is fastened simultaneously and separated, bringing a cost in a single step is saved. To achieve a further increase in quality is it is expedient that the fastening and / or removing the second component by means of laser beams. To create a largely automated production offers it is important that the Carrier as Punching grid is designed. In this case, in a simple way the second component in the carrier be secured by at least one connection point in the carrier, wherein the Junction configured for example in the manner of a bridge is. Of course For the sake of simplicity, the first component in a carrier may also be used as a punched grid, present.
In weiterer Ausgestaltung ist beim erfindungsgemäßen Bauelement das zweite Bauteil in einem Träger angeordnet. Der einfachen Herstellbarkeit halber kann es sich bei dem Träger um ein Stanzgitter handeln. Die Erfindung schafft eine besondere Qualitätssteigerung, wenn es sich bei dem zweiten Bauteil um ein SMD-Bauteil handelt. Zweckmäßigerweise ist dann das SMD-Bauteil im Träger befestigt, wobei in kostengünstiger Weise das Zusatzelement von wenigstens einem Teil des Trägers gebildet sein kann. In einfacher Art und Weise kann die Befestigung des Zusatzelements am ersten Bauteil und/oder des zweiten Bauteils im Träger mittels Löten, Schweißen, Bonden o. dgl. erfolgen. Um auch höhere Wärmespannungen oder sonstige Spannungen aufnehmen zu können, ist das Zusatzelement in der Art von Federarmen ausgestaltet.In Another embodiment is the second component in the device according to the invention in a carrier arranged. For ease of manufacture, it can be the carrier to trade a punched grid. The invention provides a special quality increase, if the second component is an SMD component. Conveniently, is then the SMD component in the carrier attached, being in cheaper Way the additional element formed by at least a portion of the carrier can be. In a simple manner, the attachment of the additional element on the first component and / or the second component in the carrier by means of Soldering, Welding, Bonding o. The like. Made. To also higher thermal stresses or other To be able to absorb tensions the additional element is designed in the manner of spring arms.
Für eine besonders bevorzugte Ausgestaltung ist nachfolgendes festzustellen. Zur Reduzierung der einzelnen Prozeßschritte sowie zur Vereinfachung des Handlings wird das Stanzgitter, in dem sich die Bauteile befinden, direkt auf dem Trägermaterial positioniert. Durch entsprechende Dimensionierung der Verbindungsstelle können diese mittels eines Laserstrahles entweder in einem oder auch in mehreren Schritten befestigt und gleichzeitig durchtrennt werden. Dies ist aufgrund der speziellen Geometrie der Verbindungsstelle, die insbesondere ähnlich einer Brücke ausgestaltet ist, durchführbar.For a special preferred embodiment is to be determined below. To reduce the individual process steps as well as to simplify the handling, the stamped grid, in which the components are located, positioned directly on the substrate. By appropriate dimensioning of the junction can this by means of a laser beam either in one or in several Steps are fixed and cut at the same time. This is due to the special geometry of the joint, which in particular is similar to one bridge is designed, feasible.
Die SMD-Bauteile werden durch eine gängige Massenverbindungstechnologie auf einem Zusatzelement, beispielsweise einem Metallgitter, gefügt. Das Zusatzelement ist derart dimensioniert, daß die durch Wärmewechselbelastungen entstehenden mechanischen Spannungen ausgeglichen werden und erlaubt somit eine prozeßsichere Verbindung, beispielsweise mittels Löten, Schweißen, Bonden o. dgl., auf einem weiteren Stanzgitter.The SMD components are made by a common Mass connection technology on an additional element, for example a metal grid, joined. The Additional element is dimensioned such that by heat exchange loads resulting mechanical stresses are compensated and allowed thus a process-safe Connection, for example by means of soldering, welding, bonding o. The like., On one further punched grid.
Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, daß durch dieses neue Fertigungsverfahren eine Reduzierung von Fertigungsschritten bzw. Fertigungsprozessen erreicht wird. Es ist weiterhin vorteilhaft, daß elektrische Funktionen, beispielsweise in elektrischen Schaltern, in extrem kleine Bauräume integriert werden können.The particular advantages of the invention are that by this new manufacturing process a reduction of manufacturing steps or manufacturing processes is achieved. It is also advantageous that electrical functions, For example, in electrical switches, integrated into extremely small spaces can be.
Ein Ausführungsbeispiel der Erfindung mit verschiedenen Weiterbildungen und Ausgestaltungen ist in den Zeichnungen dargestellt und wird im folgenden näher beschrieben. Es zeigenOne embodiment the invention with various developments and refinements is shown in the drawings and will be described in more detail below. Show it
In
Um eine mechanisch stabile Verbindung zwischen dem SMD-Bauteil und dem Stanzgitter zu gewährleisten, ist bei einem metallischen Stanzgitter umspritzt ein Zusatzelement verwendet, das durch entsprechende Geometrie eine Belastung auf die mechanische Verbindungsstelle bzw. das SMD-Bauteil vermeidet. Dabei ist das SMD-Bauteil auf dem Zusatzelement befestigt. Dies soll nachfolgend näher erläutert werden.Around a mechanically stable connection between the SMD component and to ensure the punched grid, is overmolded with a metallic punched grid an additional element used by a corresponding geometry on a load avoids the mechanical connection point or the SMD component. The SMD component is mounted on the additional element. This will be explained in more detail below.
In
Das
zweite Bauteil
Das
Zusatzelement
Bei
einer anderen Ausführung,
die in
In
Wie
weiter in
Zusammenfassend
läßt sich
noch folgendes sagen. Es kann gemäß
Die Erfindung ist nicht auf die beschriebenen und dargestellten Ausführungsbeispiele beschränkt. Sie umfaßt vielmehr auch alle fachmännischen Weiterbildungen im Rahmen der durch die Patentansprüche definierten Erfindung. So kann die Erfindung nicht nur bei elektrischen Schaltern sondern auch bei sonstigen elektrischen Schaltungen, beispielsweise für Steuergeräte, Verwendung finden.The Invention is not limited to the described and illustrated embodiments limited. she comprises Rather, all experts Further developments within the scope defined by the claims Invention. Thus, the invention is not limited to electrical switches but also in other electrical circuits, such as control units, use Find.
- 11
- Bauelementmodule
- 22
- (erstes) Bauteil(First) component
- 33
- (zweites) Bauteil/SMD-Bauteil(Second) Component / SMD
- 44
- Zusatzelementadditional element
- 5, 65, 6
- Verbindungsstellejunction
- 77
- Träger (für zweites Bauteil)Carrier (for second component)
- 88th
- Federarmspring arm
- 99
- Stanzgitterlead frame
- 1010
- Aussparungrecess
- 1111
- Laserstrahlenlaser beams
- 1212
- SchweißpunktWeldingSpot
- 1313
- Trennstelleseparation point
- 14, 14'14 14 '
- Brückebridge
- 1515
- Träger (für erstes Bauteil)Carrier (for first component)
- 1616
- Kreuzungspunktintersection
- 1717
- KunststoffelementPlastic element
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810018886 DE102008018886A1 (en) | 2008-04-14 | 2008-04-14 | Assembly part manufacturing method for use during manufacturing of e.g. micro switch, involves positioning component at another component in carrier such that former component is fastened at latter component and is separated from carrier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810018886 DE102008018886A1 (en) | 2008-04-14 | 2008-04-14 | Assembly part manufacturing method for use during manufacturing of e.g. micro switch, involves positioning component at another component in carrier such that former component is fastened at latter component and is separated from carrier |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008018886A1 true DE102008018886A1 (en) | 2009-10-15 |
Family
ID=41060670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200810018886 Withdrawn DE102008018886A1 (en) | 2008-04-14 | 2008-04-14 | Assembly part manufacturing method for use during manufacturing of e.g. micro switch, involves positioning component at another component in carrier such that former component is fastened at latter component and is separated from carrier |
Country Status (1)
Country | Link |
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DE (1) | DE102008018886A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3949925A (en) * | 1974-10-03 | 1976-04-13 | The Jade Corporation | Outer lead bonder |
US4731700A (en) * | 1987-02-12 | 1988-03-15 | Delco Electronics Corporation | Semiconductor connection and crossover apparatus |
DE3701310A1 (en) * | 1987-01-17 | 1988-07-28 | Bodenseewerk Geraetetech | Contact-making device for making contact with surface-mounted integrated circuits |
DE4318727A1 (en) * | 1992-06-05 | 1993-12-09 | Mitsubishi Electric Corp | Semiconductor device with lead-on-chip-structure - has brazing solder material with no moisture absorption, formed on surface of semiconductor component and fixed to support plate |
DE10062072A1 (en) * | 2000-12-13 | 2002-07-04 | Bosch Gmbh Robert | Lead frame with contact spring |
WO2003053115A1 (en) * | 2001-12-19 | 2003-06-26 | Telefonaktiebolaget L M Ericsson | An electronic assembly and a method for manufacturing the same |
-
2008
- 2008-04-14 DE DE200810018886 patent/DE102008018886A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3949925A (en) * | 1974-10-03 | 1976-04-13 | The Jade Corporation | Outer lead bonder |
DE3701310A1 (en) * | 1987-01-17 | 1988-07-28 | Bodenseewerk Geraetetech | Contact-making device for making contact with surface-mounted integrated circuits |
US4731700A (en) * | 1987-02-12 | 1988-03-15 | Delco Electronics Corporation | Semiconductor connection and crossover apparatus |
DE4318727A1 (en) * | 1992-06-05 | 1993-12-09 | Mitsubishi Electric Corp | Semiconductor device with lead-on-chip-structure - has brazing solder material with no moisture absorption, formed on surface of semiconductor component and fixed to support plate |
DE10062072A1 (en) * | 2000-12-13 | 2002-07-04 | Bosch Gmbh Robert | Lead frame with contact spring |
WO2003053115A1 (en) * | 2001-12-19 | 2003-06-26 | Telefonaktiebolaget L M Ericsson | An electronic assembly and a method for manufacturing the same |
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