DE102007035060A1 - Connection for semiconductor component with carrier element, has holes arranged one above other in semiconductor component and carrier element, where hole of semiconductor component is conically formed - Google Patents
Connection for semiconductor component with carrier element, has holes arranged one above other in semiconductor component and carrier element, where hole of semiconductor component is conically formed Download PDFInfo
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- DE102007035060A1 DE102007035060A1 DE200710035060 DE102007035060A DE102007035060A1 DE 102007035060 A1 DE102007035060 A1 DE 102007035060A1 DE 200710035060 DE200710035060 DE 200710035060 DE 102007035060 A DE102007035060 A DE 102007035060A DE 102007035060 A1 DE102007035060 A1 DE 102007035060A1
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- 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
- H05K3/306—Lead-in-hole components, e.g. affixing or retention before soldering, spacing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
- B81B7/0032—Packages or encapsulation
- B81B7/0045—Packages or encapsulation for reducing stress inside of the package structure
- B81B7/0048—Packages or encapsulation for reducing stress inside of the package structure between the MEMS die and the substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
- B81C1/00222—Integrating an electronic processing unit with a micromechanical structure
- B81C1/00238—Joining a substrate with an electronic processing unit and a substrate with a micromechanical structure
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- H01L2924/1433—Application-specific integrated circuit [ASIC]
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- 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
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Abstract
Description
Stand der TechnikState of the art
Die Erfindung betrifft eine elektrische und/oder mechanische Verbindung eines Halbleiterbauelements mit einem Trägerelement sowie ein Verfahren zur Herstellung dieser Verbindung.The The invention relates to an electrical and / or mechanical connection a semiconductor device with a carrier element and a process for producing this compound.
Eine
derartige Verbindung ist beispielsweise aus der
Vorteile der ErfindungAdvantages of the invention
Mit der vorliegenden Erfindung wird eine Verbindung eines Halbleiterelements bzw. ein mikromechanischer Chip mit einem Trägerelement bzw. eine Leiterplatte sowie ein Verfahren zur Herstellung dieser Verbindung beschrieben. Dabei ist vorgesehen, dass sowohl das Halbleiterbauelement als auch das Trägerelement jeweils Löcher aufweisen, die bei der Verbindung übereinander angeordnet sind, so dass ein Verbindungsstift durch beide Löcher geführt werden kann. Der Kern der Erfindung besteht nun darin, dass das Loch des insbesondere mikromechanisches Halbleiterbauelements eine konische Form aufweist, wobei das Loch an seinem kleinsten Durchmesser geringfügig größer als der Durchmesser des Verbindungsstifts ist.With The present invention relates to a compound of a semiconductor element or a micromechanical chip with a carrier element or a printed circuit board and a method for producing these Connection described. It is provided that both the semiconductor device as well as the carrier element each have holes, which are arranged one above the other in the connection, so that a connecting pin passed through both holes can be. The essence of the invention is that the Hole of the particular micromechanical semiconductor device a has conical shape, with the hole at its smallest diameter slightly larger than the diameter of the connecting pin.
Mit einer derartigen Verbindung kann in einfacher Weise eine Durchkontaktierung durch das Halbleiterbauelement erreicht werden. Weiterhin ermöglicht eine derartige Kontaktierung auch die aufrechte Montage des Halbleiterbauelements. Zusätzlich ermöglicht die erfindungsgemäße Kontaktierung eine Stressentkopplung, d. h. mechanische Spannungen, die im Substrat vorliegen, können über die Verbindungsstifte abgebaut werden. Weiterhin ist eine einfache Steckverbindung möglich, bei der das Sensorelement oder ein mikromechanisches Schaltungselement wie beispielsweise ein Asic, miteinander in einfacher und schneller Weise verbunden werden können.With such a connection can easily be a via can be achieved by the semiconductor device. Furthermore possible Such contacting also the upright mounting of the semiconductor device. In addition, the inventive allows Contacting a stress decoupling, d. H. mechanical stresses, which are present in the substrate, can via the connecting pins be reduced. Furthermore, a simple plug connection is possible, in which the sensor element or a micromechanical circuit element such as an Asic, with each other in easier and faster Way can be connected.
Durch die vollständige hinterschnittfreie Ausformung der Geometrie ist eine Passivierung in der Gasphase möglich (z. B. HDMS), so dass eine vollständige Resistenz gegen alle Umwelteinflüsse erzielt werden kann.By the complete undercut-free shaping of the geometry if passivation in the gas phase is possible (eg HDMS), allowing complete resistance to all environmental influences can be achieved.
Vorteilhafterweise ist vorgesehen, die Wände des Lochs im Halbleiterbauelement und/oder die Wände des Verbindungsstifts mit einer elektrisch isolierenden Schicht zu versehen. Eine derartige Isolierung verhindert einen ungewollten Kurzschluss. Durch ein Entfernen der isolierenden Schicht an bestimmten Stellen des Verbindungsstifts (z. B. Kopfenden oder mittig bei durch das Trägerelement durchgehenden Stiften) lassen sich gezielt elektrische Kontaktierungen erreichen.advantageously, is provided, the walls of the hole in the semiconductor device and / or the walls of the connecting pin with an electrical to provide insulating layer. Such insulation prevents an unwanted short circuit. By removing the insulating Layer at certain points of the connecting pin (eg head ends or in the middle of through the support element continuous pins) can achieve targeted electrical contacts.
Um eine elektrischen Verbindung zu erreichen, ist vorgesehen, von der Oberseite des Halbleiterbauelements aus, den Kopf des Verbindungsstiftes elektrisch mit dem Halbleiterbauelement zu verbinden, insbesondere mit dem Rand des Loches. Dies kann durch bekannte Bumptechnologien oder ein Ulltraschallverfahren wie das wedge bonden geschehen. Es ist jedoch auch möglich, die Verbindung der beiden Elemente lediglich mechanisch herzustellen. Dies kann sowohl am Kopf des Verbindungsstiftes am oberen Ende des Loches im Halbleiterbauelement aber auch zwischen Verbindungsstift und Trägerelement erfolgen. Denkbar sind hier Klebeverfahren, ein Einglasen oder auch ein Bondverfahren, bei dem die Verbindung keine elektrische Funktion ausübt.Around To achieve an electrical connection is provided by the Top of the semiconductor device, the head of the connecting pin electrically connect to the semiconductor device, in particular with the edge of the hole. This can be done by known bump technologies or a Ulltraschallverfahren such as wedge bonding done. It However, it is also possible to connect the two elements only mechanically produce. This can be both at the head of the Connecting pin at the upper end of the hole in the semiconductor device but also done between connecting pin and carrier element. Adhesive methods, a blow-in process or even a bonding process are conceivable here, where the connection does not perform any electrical function.
In einer Ausgestaltung der Erfindung kann auch vorgesehen sein, dass die Kontaktierung des Verbindungsstifts direkt über in das Trägerelement eingebrachte Kontaktierungsflächen erfolgt, wobei eine Kontaktierung wie oben beschrieben erfolgen kann. Darüber hinaus kann auch vorgesehen sein, den Verbindungsstift gegenüber dem Trägerelement zu isolieren. Dies kann vor allem dann sinnvoll sein, wenn das Trägerelement elektrisch leitfähig ist. Wie bereits beschrieben, kann eine derartige Isolierung mittels eines Klebe- oder Einglasverfahrens ermöglicht werden.In An embodiment of the invention can also be provided that the contacting of the connecting pin directly over in the carrier element introduced contacting surfaces takes place, wherein a contact can be made as described above. In addition, it can also be provided, the connecting pin to isolate from the carrier element. This can be useful especially if the carrier element is electrically conductive. As already described, can Such insulation by means of an adhesive or Einglasverfahrens be enabled.
Um eine Verdrehung des Halbleiterbauelements gegenüber dem Trägerelement zu verhindern, können in den Elementen mehrere Löcher mit Verbindungsstiften vorgesehen sein. Dabei können die verschiedenen Stifte neben einem Verdrehschutz auch dazu dienen, verschiedene elektrische Potentiale auf dem Halbleiterbauelement bereitzustellen oder Signale von einem auf dem Halbleiterbauelement befindlichen Sensorelement oder eine Schaltung abzurufen.Around a rotation of the semiconductor device relative to the Carrier element can be prevented in the elements several holes may be provided with connecting pins. The different pins can be next to a twist protection also serve to different electrical potentials on the semiconductor device to provide or signals from one on the semiconductor device located to retrieve sensor element or a circuit.
Besonders vorteilhaft ist eine Ausgestaltung der Erfindung, in der die Stifte äußerst schmal sind. Dabei ist vorgesehen, im Rahmen der mikromechanischen Herstellung von Sensoren, Stifte mit Durchmessern von 100 bis 300 μm zu verwenden.Especially advantageous is an embodiment of the invention in which the pins extremely narrow. It is envisaged within the micromechanical Production of sensors, pins with diameters from 100 to 300 μm to use.
Bei derartigen mikromechanischen Sensoren werden regelmäßig Auswerteschaltungen in das das Sensorelement enthaltene Halbleiterbauelement integriert. Zur Kontaktierung des Sensorelements und/oder der Auswerteschaltung mit dem Verbindungsstift ist vorteilhafterweise vorgesehen, eine elektrisch leitfähige Kontaktfläche, beispielsweise mittels einer Metallisierung in der Nähe des Lochs in das Halbleiterbauelement zu integrieren. In einer besonderen Ausgestaltung kann diese Kontaktfläche beispielsweise weitestgehend ringförmig um das Loch herum gestaltet sein. Eine derartige Ausgestaltung ermöglicht es, den Stift mittels eines Bumpverfahrens zu kontaktieren, ohne dass der Stift über die Oberfläche des Halbleiterbauelements hinaus ragt. Aber auch selbst wenn der Stift etwas heraus ragt, ermöglicht das vorgeschlagene Verfahren eine hinterschnittfreie Kontaktierung.In such micromechanical sensors, evaluation circuits are regularly integrated into the semiconductor component contained in the sensor element. For contacting the sensor element and / or the evaluation circuit with the connecting pin is advantageously provided, an electrically conductive contact surface, for example by means of a metallization in the vicinity of the hole in to integrate the semiconductor device. In a particular embodiment, this contact surface may, for example, be designed largely annularly around the hole. Such a configuration makes it possible to contact the pin by means of a bumping process without the pin projecting beyond the surface of the semiconductor component. But even if the pin protrudes slightly out, the proposed method allows an undercut-free contact.
In einer Weiterbildung der Erfindung kann auch vorgesehen sein, dass die Verbindungsstifte schon fest mit der Trägerplatte verbunden erzeugt werden. Dies hat den Vorteil, dass ein Aufbringen des Halbleiterbauelements einfacher möglich ist, da durch die konische Form der Löcher im Halbleiterbauelement eine geringere Anforderung an das Aufeinanderbringen der beiden Elemente angelegt werden muss. Eine derartige Ausgestaltung erlaubt somit ein selbstzentrierendes Aufbringen des Halbleiterbauelements.In a development of the invention can also be provided that the connecting pins already firmly connected to the carrier plate be generated. This has the advantage that an application of the semiconductor device easier is possible because of the conical shape of the holes in the semiconductor device a lower requirement for the bringing together the two elements must be created. Such a design thus allows a self-centering application of the semiconductor device.
Als Trägerplatte kann eine Leiterplatte, eine Keramikplatte oder eine Metallplatte verwendet werden.When Support plate can be a circuit board, a ceramic plate or a metal plate can be used.
Wird das Halbleiterbauelement bzw. das Sensorelement mit einer Abdeckung versehen, z. B. einer Sealglaskappe, ergibt sich weiterhin eine äußerst kompakte Bauweise, da durch die erfindungsgemäße Kontaktierung ein denkbar klein integrierter Sensor erzeugt werden kann. Eine derartige Ausgestaltung der Erfindung erübrigt sich auch die ansonsten übrige Verpackung eines Sensorelements, z. B. durch ein Moldverfahren.Becomes the semiconductor device or the sensor element with a cover provided, z. B. a seal glass cap, continues to result in an extremely compact design, since by the inventive Contacting a conceivable small integrated sensor can be generated can. Such an embodiment of the invention is unnecessary also the otherwise remaining packaging of a sensor element, z. B. by a molding process.
Neben der Anwendung bei Sensoren ist allgemein auch die Nutzung dieser Kontaktierung bei mikromechanischen Schaltungen, z. B. in Form von Asics möglich.Next The use of sensors is generally the use of these Contacting with micromechanical circuits, z. In the form of Asics possible.
Weitere Vorteile ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen bzw. aus den abhängigen Patentansprüchen.Further Benefits emerge from the following description of exemplary embodiments or from the dependent claims.
Zeichnungendrawings
In
der
Ausführungsbeispielembodiment
Bei
der Kontaktierung von mikromechanischen Sensorelementen werden üblicherweise Bondverbindungen
mit Bonddrähten verwendet, um eine elektrische Verbindung
zwischen dem Sensorelement bzw. einer (Auswerte-)Schaltung und einem externen
Anschluss zu ermöglichen. Eine derartige Kontaktierung
ist in
Demgegenüber
zeigt die linke Seite der
Die
elektrische Kontaktierung ist beispielhaft in
Wie
in den
Eine
weitere Ausführung der Erfindung ist ebenfalls auf der
linken Seite der
Aus
der
Beim
Durchstecken der Verbindungsstifte
In
einem weiteren Ausführungsbeispiel kann auch vorgesehen
sein, die Verbindungsstifte
Um
einen elektrischen Kurzschluss zwischen Stift
Alternativ
ist auch denkbar, die Innenseite des Lochs
In
Eine
weitere mögliche Ausführungsform ist in
Ein
derartiges Verfüllen der Löcher kann alternativ
zu der Passivierung mittels HMDS-Beschichtung erfolgen. Dabei kann
auch vorgesehen sein, dass nur der obere Teil des Loches
Eine
Kontaktierung der Stifte an der Oberseite des Halbleiterbauelements
erfolgt wie bereits bei den vorherigen Ausführungsbeispielen
geschildert. Dabei können die Verbindungsstifte
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - EP 526992 A2 [0002] - EP 526992 A2 [0002]
Claims (17)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710035060 DE102007035060A1 (en) | 2007-07-26 | 2007-07-26 | Connection for semiconductor component with carrier element, has holes arranged one above other in semiconductor component and carrier element, where hole of semiconductor component is conically formed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710035060 DE102007035060A1 (en) | 2007-07-26 | 2007-07-26 | Connection for semiconductor component with carrier element, has holes arranged one above other in semiconductor component and carrier element, where hole of semiconductor component is conically formed |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007035060A1 true DE102007035060A1 (en) | 2009-01-29 |
Family
ID=40157259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200710035060 Withdrawn DE102007035060A1 (en) | 2007-07-26 | 2007-07-26 | Connection for semiconductor component with carrier element, has holes arranged one above other in semiconductor component and carrier element, where hole of semiconductor component is conically formed |
Country Status (1)
Country | Link |
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DE (1) | DE102007035060A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008004635A1 (en) | 2008-01-16 | 2009-07-23 | Robert Bosch Gmbh | Sensor arrangement for use in high pressure system to detect pressure in closed system, has carrier with sensor element arranged as sealing element such that pressure acts on front side of sensor element, which is contacted from outside |
DE102010041101A1 (en) * | 2010-09-21 | 2012-03-22 | Robert Bosch Gmbh | Component with a via |
EP2472579A1 (en) | 2010-12-30 | 2012-07-04 | Baumer Innotec AG | Contacting of construction elements on substrates |
DE102010001759B4 (en) * | 2010-02-10 | 2017-12-14 | Robert Bosch Gmbh | Micromechanical system and method for manufacturing a micromechanical system |
DE102010039330B4 (en) * | 2010-08-13 | 2018-04-12 | Robert Bosch Gmbh | Method for producing an electrical via in a substrate |
DE102017207491A1 (en) * | 2017-05-04 | 2018-11-08 | Bayerische Motoren Werke Aktiengesellschaft | electronic module |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0526992A2 (en) | 1991-07-25 | 1993-02-10 | Ncr International Inc. | Multilayer carrier for mounting an integrated circuit and method of making the same |
-
2007
- 2007-07-26 DE DE200710035060 patent/DE102007035060A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0526992A2 (en) | 1991-07-25 | 1993-02-10 | Ncr International Inc. | Multilayer carrier for mounting an integrated circuit and method of making the same |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008004635A1 (en) | 2008-01-16 | 2009-07-23 | Robert Bosch Gmbh | Sensor arrangement for use in high pressure system to detect pressure in closed system, has carrier with sensor element arranged as sealing element such that pressure acts on front side of sensor element, which is contacted from outside |
DE102010001759B4 (en) * | 2010-02-10 | 2017-12-14 | Robert Bosch Gmbh | Micromechanical system and method for manufacturing a micromechanical system |
DE102010039330B4 (en) * | 2010-08-13 | 2018-04-12 | Robert Bosch Gmbh | Method for producing an electrical via in a substrate |
DE102010041101A1 (en) * | 2010-09-21 | 2012-03-22 | Robert Bosch Gmbh | Component with a via |
US9082831B2 (en) | 2010-09-21 | 2015-07-14 | Robert Bosch Gmbh | Component having a via |
DE102010041101B4 (en) | 2010-09-21 | 2018-05-30 | Robert Bosch Gmbh | Component with a via and a method for producing a device with a via |
EP2472579A1 (en) | 2010-12-30 | 2012-07-04 | Baumer Innotec AG | Contacting of construction elements on substrates |
DE102017207491A1 (en) * | 2017-05-04 | 2018-11-08 | Bayerische Motoren Werke Aktiengesellschaft | electronic module |
US10939567B2 (en) | 2017-05-04 | 2021-03-02 | Bayerische Motoren Werke Aktiengesellschaft | Electronic module using board lacquer to reinforce the circuit board to the unit housing |
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