DE102013104111B4 - A method of forming a package-on-package (PoP) device having a carrier discard control for three-dimensionally integrated circuit (3DIC) stacking - Google Patents
A method of forming a package-on-package (PoP) device having a carrier discard control for three-dimensionally integrated circuit (3DIC) stacking Download PDFInfo
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- DE102013104111B4 DE102013104111B4 DE102013104111.6A DE102013104111A DE102013104111B4 DE 102013104111 B4 DE102013104111 B4 DE 102013104111B4 DE 102013104111 A DE102013104111 A DE 102013104111A DE 102013104111 B4 DE102013104111 B4 DE 102013104111B4
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- Dicing (AREA)
Abstract
Verfahren zum Ausbilden einer Package-on-Package-(PoP)-Vorrichtung (10), die Folgendes umfasst: vorläufiges Anbringen eines Substrats (16) an einem Träger (14); Stapeln eines ersten Dies (22) auf dem Substrat, wobei mindestens der erste Die oder das Substrat eine Abweichung des Wärmeausdehnungskoeffizienten gegenüber dem Träger aufweist; Stapeln eines zweiten Dies (26) auf dem ersten Die; und Ausführen eines Drucktemperns auf dem Substrat (16) mittels eines Drucktemperdeckels (20), bevor der erste und der zweite Die gestapelt werden.A method of forming a package-on-package (PoP) device (10), comprising: preliminarily attaching a substrate (16) to a carrier (14); Stacking a first die (22) on the substrate, wherein at least the first die or substrate has a thermal expansion coefficient deviation from the carrier; Stacking a second die (26) on the first die; and performing a pressure anneal on the substrate (16) by means of a temper tempering lid (20) before the first and second die are stacked.
Description
HINTERGRUNDBACKGROUND
Während die Nachfrage nach kleineren elektronischen Produkten steigt, suchen Hersteller und Andere in der Elektronikbranche fortlaufend nach Wegen, die Größe von integrierten Schaltkreisen, die in den elektronischen Produkten verwendet werden, zu verringern. Hierfür wurden dreidimensionale integrierte Schaltkreis-Kapselungstechniken entwickelt und verwendet.As demand for smaller electronic products increases, manufacturers and others in the electronics industry are continually looking for ways to reduce the size of integrated circuits used in electronic products. For this purpose, three-dimensional integrated circuit packaging techniques have been developed and used.
Eine Kapselungstechnik, die entwickelt wurde, ist Package-on-Package, PoP, auch als Package-on-Package bezeichnet. Wie der Name schon sagt, ist PoP eine Halbleiter-Kapselungsinnovation, bei der ein Package auf ein anderes Package gestapelt wird. Eine PoP-Vorrichtung kann vertikal getrennte Speicher- und Logikgehäuse oder -packages kombinieren.One encapsulation technique that has been developed is Package-on-Package, PoP, also referred to as Package-on-Package. As the name implies, PoP is a semiconductor packaging innovation in which a package is stacked on top of another package. A PoP device may combine vertically separate memory and logic packages or packages.
Aus der
Aus der
Aus der
Aus der
Aus der
Leider können herkömmliche Verfahren, die verwendet werden, um die PoP-Vorrichtungen herzustellen, es nicht ausreichend verhindern, dass sich die Gehäuse oder Packages verkrümmen oder verwerfen. Dies trifft besonders zu, wenn relativ dünne Dies, auch als Halbleiter-Plättchen oder Chips bezeichnet, oder integrierte Schaltkreise gestapelt werden.Unfortunately, conventional methods used to make the PoP devices can not sufficiently prevent the housings or packages from warping or warping. This is particularly true when relatively thin dies, also referred to as semiconductor wafers or chips, or integrated circuits are stacked.
KURZE BESCHREIBUNG DER ZEICHNUNGENBRIEF DESCRIPTION OF THE DRAWINGS
Für ein vollständigeres Verständnis der vorliegenden Offenbarung und ihrer Vorteile wird nun auf die folgende Beschreibung Bezug genommen, zusammen mit den beigefügten Zeichnungen, in denen:For a more complete understanding of the present disclosure and its advantages, reference is now made to the following description, taken in conjunction with the accompanying drawings, in which:
Entsprechende Bezugszeichen und Symbole in den verschiedenen Figuren beziehen sich im Allgemeinen auf entsprechende Teile, außer es ist anderweitig angezeigt. Die Figuren sind so gezeichnet, dass sie die relevanten Aspekte der Ausführungen klar darstellen, und sind nicht notwendigerweise im Maßstab gezeichnet.Corresponding numerals and symbols in the various figures generally refer to corresponding parts, unless otherwise indicated. The figures are drawn to clearly illustrate the relevant aspects of the embodiments and are not necessarily drawn to scale.
DETAILLIERTE BESCHREIBUNG VON BEISPIELHAFTEN AUSFÜHRUNGENDETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS
Die vorliegende Offenbarung wird mit Bezug auf die vorliegenden Ausführungen in einem spezifischen Kontext beschrieben, nämlich einer Package-on-Package-(PoP)-Halbleitervorrichtung. Die Konzepte der Offenbarung können jedoch auch auf andere Halbleiterstrukturen oder -schaltkreise angewendet werden.The present disclosure will be described with reference to the present embodiments in a specific context, namely, a Package-on-Package (PoP) semiconductor device. However, the concepts of the disclosure may be applied to other semiconductor structures or circuits.
Bezieht man sich jetzt auf die
Bezieht man sich jetzt auf die
Bezieht man sich jetzt auf die
Bezieht man sich jetzt auf die
Nach dem Anordnen des ersten Dies
Bezieht man sich jetzt auf die
Nachdem der zweite Die
Bezieht man sich jetzt auf die
Bezieht man sich jetzt auf die
Bezieht man sich jetzt auf die
Bezieht man sich jetzt auf die
Mit Bezug auf die
In einer Ausführung ist das Füllmaterial
Immer noch mit Bezug auf die
Bezieht man sich jetzt auf die
Bezieht man sich jetzt auf die
Man sollte anerkennen, dass die Ausführungen der Verfahren und der PoP-Vorrichtung
Eine Ausführung eines Verfahrens zum Ausbilden einer Package-on-Package-(PoP)-Vorrichtung umfasst das vorläufige Anbringen eines Substrats auf einem Träger, das Stapeln eines ersten Dies auf dem Substrat, wobei mindestens einer des Dies und des Substrats eine Abweichung des Wärmeausdehnungskoeffizienten gegenüber dem Träger aufweist, und das Stapeln eines zweiten Dies auf dem ersten Die.One embodiment of a method of forming a package-on-package (PoP) device includes preliminarily mounting a substrate on a substrate, stacking a first die on the substrate, wherein at least one of the die and the substrate oppose a thermal expansion coefficient variation the carrier, and stacking a second dies on the first die.
Eine Ausführung eines Verfahrens zum Ausbilden einer Package-on-Package-(PoP)-Vorrichtung umfasst das vorläufige Anbringen eines Substrats auf einem Träger, das Stapeln einer Mehrzahl von Dies über dem Substrat, wobei mindestens einer der Dies oder das Substrat eine Abweichung des Wärmeausdehnungskoeffizienten gegenüber dem Träger aufweist, und das Entfernen des Trägers, nachdem die Mehrzahl von Dies gestapelt wurden.One embodiment of a method of forming a package-on-package (PoP) device includes preliminarily mounting a substrate on a carrier, stacking a plurality of dies over the substrate, wherein at least one of the dies or the substrate exhibits a coefficient of thermal expansion deviation relative to the carrier, and removal of the carrier after the plurality of dies have been stacked.
Eine Ausführung eines Verfahrens zum Ausbilden einer Package-on-Package-(PoP)-Vorrichtung umfasst das vorläufige Anbringen eines Substrats an einem Träger, das Stapeln eines ersten Dies auf dem Substrat, wobei mindestens einer der Dies oder das Substrat eine Abweichung des Wärmeausdehnungskoeffizienten gegenüber dem Träger aufweist, das Stapeln eines zweiten Dies auf dem ersten Die, wobei der zweite Die horizontal gegenüber dem ersten Die verschoben ist, so dass der zweite Die mit einem Überhang vorgesehen ist, und das Verteilen eines Füllmaterials zwischen dem ersten Die und dem Substrat und zwischen dem ersten Die und dem zweiten Die.One embodiment of a method of forming a package-on-package (PoP) device includes preliminarily attaching a substrate to a carrier, stacking a first die on the substrate, wherein at least one of the dies or the substrate is opposite to a coefficient of thermal expansion the support, the stacking of a second die on the first die, wherein the second die is shifted horizontally from the first die, so that the second die is provided with an overhang, and distributing a filling material between the first die and the substrate and between the first die and the second die.
Während diese Offenbarung mit Bezug auf beispielhafte Ausführungen beschrieben wurde, soll diese Beschreibung nicht in einem einschränkenden Sinn interpretiert werden. Verschiedene Änderungen und Kombinationen der beispielhaften Ausführungen sowie andere Ausführungen der Offenbarung werden dem Fachmann bei Bezugnahme auf die Beschreibung deutlich werden. Daher sollen die beigefügten Ansprüche alle solche Änderungen und Ausführungen umfassen.While this disclosure has been described with reference to exemplary embodiments, this description is not intended to be interpreted in a limiting sense. Various changes and combinations of the exemplary embodiments as well as other embodiments of the disclosure will become apparent to those skilled in the art upon reference to the specification. It is therefore intended that the appended claims encompass all such changes and embodiments.
Claims (19)
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US201261693083P | 2012-08-24 | 2012-08-24 | |
US61/693,083 | 2012-08-24 | ||
US13/779,554 US10153179B2 (en) | 2012-08-24 | 2013-02-27 | Carrier warpage control for three dimensional integrated circuit (3DIC) stacking |
US13/779,554 | 2013-02-27 |
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WO2008129424A2 (en) | 2007-04-23 | 2008-10-30 | Cufer Asset Ltd. L.L.C. | Ultra-thin stacked chios packaging |
US20120181673A1 (en) | 2009-08-21 | 2012-07-19 | Stats Chippac, Ltd. | Semiconductor Device and Method of Stacking Die on Leadframe Electrically Connected by Conductive Pillars |
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