DE102010031055B4 - Sensor module and method of manufacturing a sensor module - Google Patents
Sensor module and method of manufacturing a sensor module Download PDFInfo
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- DE102010031055B4 DE102010031055B4 DE102010031055.7A DE102010031055A DE102010031055B4 DE 102010031055 B4 DE102010031055 B4 DE 102010031055B4 DE 102010031055 A DE102010031055 A DE 102010031055A DE 102010031055 B4 DE102010031055 B4 DE 102010031055B4
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0052—Manufacturing aspects; Manufacturing of single devices, i.e. of semiconductor magnetic sensor chips
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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
- B81C1/00023—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems without movable or flexible elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
- B81B7/02—Microstructural systems; Auxiliary parts of microstructural devices or systems containing distinct electrical or optical devices of particular relevance for their function, e.g. microelectro-mechanical systems [MEMS]
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
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- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
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- H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
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Abstract
Verfahren zum Herstellen eines Sensormoduls (M) zur Messung von Beschleunigung, Druck oder Magnetfeldern und dergleichen, umfassend die Schritte• Aufbringen eines metallischen Trägerrahmens (2) auf einem temporären Träger (K), wobei der temporäre Träger (K) eine zumindest einseitig klebende, lösbare Folie (K) ist,• Anordnen zumindest eines integrierten Schaltkreises (3a) zumindest mittelbar auf dem temporären Träger (K),• Anordnen zumindest eines mikro-elektromechanischen Elements (3b) zumindest mittelbar auf dem temporären Träger (K),• Kontaktieren zumindest des mikro-elektromechanischen Elements (3b), mit einer Kontaktfläche (1) des metallischen Trägerrahmens (2)• Einhausen (7) zumindest des integrierten Schaltkreises (3a) und des mikro-elektromechanischen Elements (3b) sowie• Kontaktieren zumindest des integrierten Schaltkreises (3a) mittels zumindest einer Umverdrahtungsschicht (8).Method for producing a sensor module (M) for measuring acceleration, pressure or magnetic fields and the like, comprising the steps • applying a metal carrier frame (2) to a temporary carrier (K), the temporary carrier (K) having an at least one-sided adhesive, detachable film (K),• arranging at least one integrated circuit (3a) at least indirectly on the temporary carrier (K),• arranging at least one micro-electromechanical element (3b) at least indirectly on the temporary carrier (K),• contacting at least of the micro-electromechanical element (3b), with a contact surface (1) of the metal support frame (2) • enclosing (7) at least the integrated circuit (3a) and the micro-electromechanical element (3b) and • contacting at least the integrated circuit ( 3a) by means of at least one rewiring layer (8).
Description
Stand der TechnikState of the art
Die vorliegende Erfindung betrifft ein Verfahren zum Herstellen eines Sensormoduls zur Messung von Beschleunigung, Druck oder Magnetfeldern und dergleichen sowie ein entsprechendes Sensormodul.The present invention relates to a method for producing a sensor module for measuring acceleration, pressure or magnetic fields and the like, and a corresponding sensor module.
Sensormodule zur Messung von Beschleunigung, Druck oder Magnetfeldern werden unter anderem im Bereich von Kraftfahrzeugen eingesetzt. Als Beschleunigungssensoren wirken diese beispielsweise mit aktiven Federungssystem in Kraftfahrzeugen zusammen. Ein weiteres Einsatzgebiet von Beschleunigungssensoren sind Crashtests, bei dem diese in Dummys eingesetzt werden.Sensor modules for measuring acceleration, pressure or magnetic fields are used, among other things, in motor vehicles. As acceleration sensors, these interact, for example, with active suspension systems in motor vehicles. Another area of application for acceleration sensors are crash tests, in which they are used in dummies.
Aus der
Aus der
Offenbarung der ErfindungDisclosure of Invention
Das Verfahren zum Herstellen eines Sensormoduls zur Messung von Beschleunigung, Druck oder Magnetfeldern und dergleichen, umfasst die Schritte
- • Aufbringen eines metallischen Trägerrahmens auf einem temporären Träger, wobei der temporäre Träger eine zumindest einseitig klebende, lösbare Folie ist,
- • Anordnen zumindest eines integrierten Schaltkreises zumindest mittelbar auf dem temporären Träger,
- • Anordnen zumindest eines mikro-elektromechanischen Elements zumindest mittelbar auf dem temporären Träger,
- • Kontaktieren zumindest des mikro-elektromechanischen Elements, mit einer Kontaktfläche des metallischen Trägerrahmens
- • Einhausen zumindest des integrierten Schaltkreises und des mikro-elektromechanischen Elements sowie
- • Kontaktieren zumindest des integrierten Schaltkreises mittels zumindest einer Umverdrahtungsschicht.
- • Application of a metallic carrier frame to a temporary carrier, the temporary carrier being a detachable film which is adhesive on at least one side,
- • arranging at least one integrated circuit at least indirectly on the temporary carrier,
- • arranging at least one micro-electromechanical element at least indirectly on the temporary carrier,
- • Contacting at least the micro-electromechanical element with a contact surface of the metallic carrier frame
- • housing at least the integrated circuit and the micro-electromechanical element and
- • Contacting at least the integrated circuit by means of at least one rewiring layer.
Das Sensormodul insbesondere hergestellt mit einem Verfahren gemäß zumindest einem der Ansprüche 1-6, umfasst
- • zumindest die Kontaktfläche des metallischen Trägerrahmens;
- • zumindest den integrierten Schaltkreis,
- • zumindest das mikro-elektromechanisches Element,
- • eine Kontaktierung zur elektrischen Kontaktierung des mikro-elektromechanischen Elements mit zumindest der Kontaktfläche,
- • die Umverdrahtungsschicht zur Kontaktierung des integrierten Schaltkreises mit zumindest der Kontaktfläche, wobei das mikro-elektromechanische Element auf dem integrierten Schaltkreis angeordnet ist.
- • at least the contact surface of the metal support frame;
- • at least the integrated circuit,
- • at least the micro-electromechanical element,
- • a contact for electrical contacting of the micro-electromechanical element with at least the contact surface,
- • the rewiring layer for contacting the integrated circuit with at least the contact surface, the micro-electromechanical element being arranged on the integrated circuit.
Vorteile der ErfindungAdvantages of the Invention
Das in Anspruch 1 definierte Verfahren zum Herstellen eines Sensormoduls zur Messung von Beschleunigung, Druck oder Magnetfeldern und dergleichen sowie das entsprechende Sensormodul gemäß dem Anspruch 7 weisen den Vorteil auf, dass sie eine wesentlich höhere Flexibilität bei der Herstellung von Sensormodulen, insbesondere bei der Anordnung von verschiedenen integrierten Schaltungen und mikro-elektromechanischen Elementen ermöglichen. Damit ist beispielsweise auch ein so genanntes Chip-Stacking einfacher möglich, da keine Durchkontaktierungen oder ähnliches hierfür mehr erforderlich sind. Durch die Verwendung von Kontaktflächen, sogenannten Lands, eines metallischen Trägers, auch Leadframe genannt, sind auch beispielsweise dickere Kupfer-Flächen zum Auflöten der integrierten Schaltkreise oder der mikro-elektromechanischen Elemente möglich. Dies erhöht wesentlich die Zuverlässigkeit der jeweiligen Lötverbindung und damit insgesamt des Sensormoduls.The method defined in
Das Kontaktieren bzw. die Kontaktierung der Kontaktflächen beispielsweise zu einer nächsten Leiterplatte kann dann mittels bekannter und standardisierter Lötverfahren oder Klebeverfahren erfolgen.The contacting or contacting of the contact surfaces, for example to a next printed circuit board, can then take place by means of known and standardized soldering or gluing methods.
Gemäß einer weiteren vorteilhaften Weiterbildung der Erfindung wird das mikro-elektromechanische Element auf dem integrierten Schaltkreis angeordnet. Der Vorteil hierbei ist, dass somit eine einfache und kostengünstige Festlegung des mikro-elektromechanischen Elementes ermöglicht wird. Gleichzeitig sinkt der Platzbedarf für die Anordnung von integrierten Schaltkreisen und/oder von mikro-elektromechanischen Elementen auf dem temporären Träger.According to a further advantageous development of the invention, the micro-electromechanical element is arranged on the integrated circuit. The advantage here is that it enables the micro-electromechanical element to be fixed in a simple and cost-effective manner. At the same time, the space required for arranging integrated circuits and/or microelectromechanical elements on the temporary carrier is reduced.
Gemäß einer weiteren vorteilhaften Weiterbildung der Erfindung wird die Umverdrahtungsschicht mittels Jetten, galvanisch oder plasmaunterstütztem Pulverbschuss hergestellt. Der Vorteil hierbei ist, dass einfache und kostengünstige Verfahren verwendet werden können, so dass die Zuverlässigkeit der Kontaktierung mittels der Umverdrahtungsschicht erhöht wird.According to a further advantageous development of the invention, the rewiring layer is produced by means of jetting, galvanic or plasma-enhanced powder blasting. The advantage here is that simple and inexpensive methods can be used, so that the reliability of the contacting by means of the rewiring layer is increased.
Gemäß einer weiteren vorteilhaften Weiterbildung der Erfindung erfolgt das Einhausen mittels Spritzpressen, vorzugsweise Transfermolden oder Sheetmolden. Der Vorteil hierbei ist, dass einfache, kostengünstige und erprobte Verfahren zum Einhausen, also zur Gehäusung oder Verkapselung verwendet werden können, so dass das Sensormodul einfach und zuverlässig hergestellt werden kann.According to a further advantageous development of the invention, housing is carried out by means of transfer molding, preferably transfer molding or sheet molding. The advantage here is that simple, inexpensive and proven methods for enclosing, ie for housing or encapsulation, can be used, so that the sensor module can be manufactured simply and reliably.
Erfindungsgemäß wird der metallische Träger temporär auf zumindest eine einseitig klebende Folie aufgebracht. Der Vorteil hierbei ist, dass keine zusätzliche, permanente Trägerbasis verwendet werden muss und so Material und damit auch Kosten eingespart werden können. Des Weiteren kann die Folie auch wieder einfach und rückstandsfrei entfernt werden, so dass keine zusätzlichen Schritte für eine aufwändige Überarbeitung des metallischen Trägers anfallen. Weiter ist es möglich, sollten doch Rückstände verbleiben, einen Reinigungsschritt durchzuführen.According to the invention, the metallic carrier is temporarily applied to at least one film that is adhesive on one side. The advantage here is that no additional, permanent carrier base has to be used, which means that material and thus costs can be saved. Furthermore, the film can also be removed again easily and without leaving any residue, so that no additional steps are required for a time-consuming reworking of the metal carrier. It is also possible, should residues remain, to carry out a cleaning step.
Gemäß einer weiteren vorteilhaften Weiterbildung der Erfindung werden mehrere Sensormodule auf einem metallischen Trägerstreifenrahmen angeordnet. Der Vorteil hierbei ist, kontinuierlich und schnell mehrere Sensormodule herstellen zu können, was die Herstellungskosten eines einzelnen Sensormoduls wesentlich herabsetzt.According to a further advantageous development of the invention, a plurality of sensor modules are arranged on a metal carrier strip frame. The advantage here is that a number of sensor modules can be produced continuously and quickly, which significantly reduces the production costs of an individual sensor module.
Gemäß einer weiteren vorteilhaften Weiterbildung der Erfindung werden die Sensormodule vereinzelt, insbesondere durch Sägen. Der Vorteil hierbei ist, dass diese damit auf einfache und schnelle Weise vereinzelt werden können und so unmittelbar für eine Weiterverarbeitung und damit auch schneller für einen Einbau in ein Fahrzeug zur Verfügung stehen.According to a further advantageous development of the invention, the sensor modules are separated, in particular by sawing. The advantage here is that they can be separated easily and quickly and are thus immediately available for further processing and thus also more quickly for installation in a vehicle.
Figurenlistecharacter list
Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen:
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1 bis7 Herstellungsschritte eines Sensormoduls gemäß einer ersten (5a ) und einer zweiten Ausführungsform (5b ) der vorliegenden Erfindung; -
8 einen metallischen Träger mit verschiedenen Ausführungsformen eines Sensormoduls gemäß der ersten und zweiten Ausführungsform der vorliegenden Erfindung; sowie -
9 ein Sensormodul gemäß einer dritten Ausführungsform der vorliegenden Erfindung.
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1 until7 Manufacturing steps of a sensor module according to a first (5a ) and a second embodiment (5b ) of the present invention; -
8th a metallic carrier with different embodiments of a sensor module according to the first and second embodiment of the present invention; as well as -
9 a sensor module according to a third embodiment of the present invention.
Ausführungsformen der ErfindungEmbodiments of the invention
In den Figuren bezeichnen gleichen Bezugszeichen dieselben beziehungsweise funktionsgleiche Elemente, soweit nichts anderes ausgeführt ist.In the figures, the same reference symbols denote the same or functionally identical elements, unless otherwise stated.
In
Im Folgenden wird die Herstellung eines einzelnen Sensormoduls M gemäß den
In
In den folgenden
In
In
Weiterhin ist eine gestrichelt eingezeichnete, vertikal verlaufende Linie L1 zwischen zwei in horizontaler Richtung benachbarten Nutzen N in
Insgesamt ist es also möglich, jeweils mehrere integrierte Schaltkreise auf einem Nutzen anzuordnen, die nach Vereinzelung des jeweiligen Nutzens aus dem Trägerrahmenstreifen nochmals in ein oder mehrere Sensormodule M vereinzelt werden können. Selbstverständlich ist es möglich einen Nutzen auch in horizontaler oder auch in jeder geeigneten anderen Richtung mittels Sägen zu vereinzeln.Overall, it is therefore possible to arrange a plurality of integrated circuits on a panel, which are isolated again into one or more sensor modules M after the respective panel has been isolated from the carrier frame strip can. Of course, it is also possible to separate a panel in a horizontal direction or in any other suitable direction by means of saws.
Anschließend kann jedes Sensormodul M noch hinsichtlich ordnungsgemäßer Funktion getestet werden.Each sensor module M can then be tested for proper functioning.
Obwohl die vorliegende Erfindung vorstehend anhand bevorzugter Ausführungsbeispiele beschrieben wurde, ist sie nicht darauf beschränkt, sondern auf vielfältige Weise modifizierbar.Although the present invention has been described above on the basis of preferred exemplary embodiments, it is not limited thereto but can be modified in many different ways.
Claims (7)
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DE102010031055.7A DE102010031055B4 (en) | 2010-07-07 | 2010-07-07 | Sensor module and method of manufacturing a sensor module |
KR1020110066837A KR101864577B1 (en) | 2010-07-07 | 2011-07-06 | Sensor module and method for producing a sensor module |
CN201110187747.9A CN102372248B (en) | 2010-07-07 | 2011-07-06 | Sensor assembly and the method being used for manufacturing sensor assembly |
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DE102010031055.7A DE102010031055B4 (en) | 2010-07-07 | 2010-07-07 | Sensor module and method of manufacturing a sensor module |
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DE102009044639A1 (en) | 2008-11-26 | 2010-06-24 | Infineon Technologies Ag | Component with a semiconductor chip |
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US6001671A (en) * | 1996-04-18 | 1999-12-14 | Tessera, Inc. | Methods for manufacturing a semiconductor package having a sacrificial layer |
CN1222252A (en) * | 1996-04-18 | 1999-07-07 | 德塞拉股份有限公司 | Methods for mfg. semiconductor package |
WO2001036320A2 (en) * | 1999-11-15 | 2001-05-25 | Amkor Technology, Inc. | Micromachine package |
DE10259795A1 (en) * | 2002-12-19 | 2004-07-08 | Siemens Ag | Imaging device for installation in the roof area or in the outside mirror of a motor vehicle |
EP1913641A1 (en) * | 2005-07-28 | 2008-04-23 | Nxp B.V. | A package and manufacturing method for a microelectronic component |
JP2007142372A (en) * | 2005-10-17 | 2007-06-07 | Semiconductor Energy Lab Co Ltd | Micro electromechanical equipment, semiconductor device, and method for manufacturing them |
JP4559993B2 (en) * | 2006-03-29 | 2010-10-13 | 株式会社東芝 | Manufacturing method of semiconductor device |
US20090134481A1 (en) * | 2007-11-28 | 2009-05-28 | Analog Devices, Inc. | Molded Sensor Package and Assembly Method |
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US6100594A (en) | 1998-01-14 | 2000-08-08 | Sharp Kabushiki Kaisha | Semiconductor device and method of manufacturing the same |
DE10162676B4 (en) | 2001-12-19 | 2005-06-02 | Infineon Technologies Ag | Electronic component with a semiconductor chip and a rewiring plate and system carrier for a plurality of electronic components and method for producing the same |
EP1923627A1 (en) | 2006-11-16 | 2008-05-21 | Robert Bosch Gmbh | Integrated control of LED assemblies |
DE102009044639A1 (en) | 2008-11-26 | 2010-06-24 | Infineon Technologies Ag | Component with a semiconductor chip |
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CN102372248A (en) | 2012-03-14 |
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