DE202004011399U1 - Chip module especially TO-252(DPAK) or TO-263(D2PAK) types can be firmly mounted on a platform and has exposed heat dissipating surface - Google Patents
Chip module especially TO-252(DPAK) or TO-263(D2PAK) types can be firmly mounted on a platform and has exposed heat dissipating surface Download PDFInfo
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- DE202004011399U1 DE202004011399U1 DE202004011399U DE202004011399U DE202004011399U1 DE 202004011399 U1 DE202004011399 U1 DE 202004011399U1 DE 202004011399 U DE202004011399 U DE 202004011399U DE 202004011399 U DE202004011399 U DE 202004011399U DE 202004011399 U1 DE202004011399 U1 DE 202004011399U1
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- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L24/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
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- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/433—Auxiliary members in containers characterised by their shape, e.g. pistons
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49541—Geometry of the lead-frame
- H01L23/49562—Geometry of the lead-frame for devices being provided for in H01L29/00
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/0555—Shape
- H01L2224/05552—Shape in top view
- H01L2224/05554—Shape in top view being square
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48245—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
- 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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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48245—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
- H01L2224/48257—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 die pad of the item
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4912—Layout
- H01L2224/49171—Fan-out arrangements
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- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L24/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
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Abstract
Description
HINTERGRUND DER ERFINDUNGBACKGROUND OF THE INVENTION
1. Gebiet der Erfindung1. Field of the Invention
Die vorliegende Erfindung betrifft ein Chip-Modul, und insbesondere ein Chip-Modul des Typs TO-252(DPAK) oder des Typs TO-263(D2PAK), welches fest auf einer Platine befestigt werden kann, wobei die Effektivität der Wärmeabfuhr verbessert ist.The The present invention relates to a chip module, and in particular a chip module of the type TO-252 (DPAK) or of the type TO-263 (D2PAK), which can be firmly attached to a board, reducing the effectiveness of heat dissipation is improved.
2. Hintergrund der Erfindung2. Background of the Invention
Es ist bekannt, dass elektronische Vorrichtungen Platinen aufweisen, und dass elektronische Bauelemente auf den Platinen angeordnet sind. Ein vollständiger Schaltkreis wird mit den Mitteln eines Designs von Leiterbahn-Mustern auf einer Platine ausgebildet, und elektronische Bauelemente sind ebenfalls auf der Platine angeordnet und angeschlossen, so dass die Funktionen der elektronischen Vorrichtungen bereitgestellt werden. Ob die Funktionen der elektronischen Vorrichtungen regulär ausgeführt werden, hängt davon ab, ob die elektronischen Bauelemente zuverlässig auf der Platine angeschlossen sind oder nicht.It it is known that electronic devices have circuit boards, and that electronic components are arranged on the circuit boards. A complete one Circuitry is created using the means of designing trace patterns formed on a circuit board, and electronic components are also arranged on the board and connected so that the functions of the electronic devices are provided. Whether the functions of electronic devices run regularly depends on it from whether the electronic components are reliably connected to the board are or not.
Da die Effizienz des Betreibens und die Funktionen einer elektronischen Baugruppe, wie einem Chip-Modul, schrittweise verbessert werden, muss zusätzlich die hohe Temperatur, welche durch den Chip erzeugt wird, wenn er in Betrieb ist, abgeführt werden, so dass ein regulärer Betrieb der elektronischen Vorrichtungen gewährleistet ist.There the efficiency of operation and the functions of an electronic Assembly, such as a chip module, needs to be gradually improved additionally the high temperature generated by the chip when it is in operation become a regular Operation of the electronic devices is guaranteed.
Bezugnehmend
auf
Die
Anschlüsse
Wie oben entsprechend erläutert, weist das konventionelle Chip-Modul des Typs TO-252(DPAK) oder des Typs TO-263(D2PAK) einige Nachteile auf, welche verbessert werden könnten. Die vorliegende Erfindung hat zum Ziel, die Nachteile des Standes der Technik zu lösen.How explained above accordingly has the conventional chip module of the type TO-252 (DPAK) or the Type TO-263 (D2PAK) some disadvantages which are improved could. The present invention aims to overcome the disadvantages of the prior art Technology to solve.
ZUSAMMENFASSUNG DER ERFINDUNGSUMMARY THE INVENTION
Primäres Ziel der Erfindung ist es, ein Chip-Modul zu spezifizieren, so dass das Chip-Modul fest auf der Platine montiert werden kann, wobei Platz auf der Platine eingespart und die Effektivität der Wärmeabfuhr davon verbessert wird.Primary goal the invention is to specify a chip module so that the Chip module can be firmly mounted on the board, taking up space saved on the board and the effectiveness of heat dissipation improved becomes.
Gemäß der Erfindung wird das Ziel mit einem Chip-Modul erreicht, welches auf eine Platine montiert ist, die eine Anzahl von elektrischen Kontakten aufweist, aufweisend einen Chip-Montage-Sockel, einen Chip, eine Anzahl von Anschlüssen und ein isolierendes Element. Der Chip-Montage-Sockel weist einen Aufnahmeabschnitt und einen Stützabschnitt auf. Der Aufnahmeabschnitt definiert eine Aufnahmefläche und eine wärmeabführende Fläche, welche gegenüberliegend der Aufnahmefläche angeordnet ist. Die Aufnahmefläche ist der Platine zugewandt, und der Stützabschnitt erstreckt sich von dem Aufnahmeabschnitt aus zu der Platine hin und weist ein Distalende auf, welches an der Platine befestigt ist. Der Chip ist auf der Aufnahmefläche des Aufnahmeabschnitts des Chip-Montage-Sockels befestigt. Jeder der Anschlüsse weist ein inneres Ende auf, welches in der Nähe des Chips angeordnet ist, und ein äußeres Ende auf, welches an einem der elektrischen Kontakte der Platine befestigt ist. Das isolierende Element umgibt den Chip und die inneren Enden der Anschlüsse. Das isolierende Element ist auf der Aufnahmefläche des Aufnahmeabschnitts des Chip-Montage-Sockels befestigt, und die wärmeabführende Fläche ist freiliegend. Der Stützabschnitt des Chip-Montage-Sockels ist auf der Platine befestigt, so dass das Chip-Modul der vorliegenden Erfindung fest auf der Platine befestigt werden kann, und die wärmeabführende Fläche des Aufnahmeabschnitts des Chip-Montage-Sockels führt direkt Wärme ab, um die Effektivität der Wärmeabfuhr zu verbessern.According to the invention, the object is achieved with a chip module which is mounted on a circuit board which has a number of electrical contacts, comprising a chip mounting socket, a chip, a number of connections and an insulating element. The chip mounting base has a receiving section and a support section. The receiving section defines a receiving surface and a heat-dissipating surface which is arranged opposite the receiving surface. The receiving surface faces the circuit board and the support section extends from the receiving section towards the circuit board and has a distal end which is attached to the circuit board. The chip is attached to the receiving surface of the receiving section of the chip mounting base. Each of the terminals has an inner end located near the chip and an outer end attached to one of the electrical contacts on the board. The insulating element surrounds the chip and the inner ends of the connections. The insulating element is on the receiving surface of the receiving portion of the Chip mounting socket attached, and the heat-dissipating surface is exposed. The support portion of the chip mounting base is fixed on the board so that the chip module of the present invention can be fixedly mounted on the board, and the heat dissipating surface of the receiving portion of the chip mounting base directly dissipates heat to the To improve the effectiveness of heat dissipation.
Gemäß der Erfindung wird das Ziel mit einem anderen Chip-Modul erreicht, welches auf eine Platine montiert ist, und welches eine Anzahl von elektrischen Kontakten aufweist, aufweisend einen Chip-Montage-Sockel, einen Chip, eine Anzahl von Anschlüssen und ein isolierendes Element. Der Chip-Montage-Sockel weist einen Aufnahmeabschnitt auf. Der Aufnahmeabschnitt definiert eine Aufnahmefläche und eine wärmeabführende Fläche, welche gegenüberliegend der Aufnahmefläche angeordnet ist. Die Aufnahmefläche ist der Platine zugewandt. Der Chip ist auf der Aufnahmefläche des Aufnahmeabschnitts des Chip-Montage-Sockels befestigt. Jeder der Anschlüsse weist ein inneres Ende, welches in der Nähe des Chips angeordnet ist, und ein äußeres Ende auf, welches an einem der Kontakte der Platine befestigt ist. Das isolierende Element umgibt den Chip und die inneren Enden der Anschlüsse. Das isolierende Element ist auf der Aufnahmefläche des Aufnahmeabschnitts des Chip-Montage-Sockels befestigt, und die wärmeabführende Fläche ist freiliegend.According to the invention the goal is achieved with another chip module, which is on a circuit board is mounted, and which is a number of electrical contacts having a chip mounting base, a chip, a Number of connections and an insulating element. The chip mounting base has a receiving section on. The receiving section defines a receiving surface and a heat-dissipating surface, which opposite the receiving surface is arranged. The receiving area is facing the board. The chip is on the receiving surface of the Receiving section of the chip mounting base attached. Everyone who connections has an inner end which is located near the chip, and an outer end which is attached to one of the contacts on the board. The insulating element surrounds the chip and the inner ends of the terminals. The insulating element is on the receiving surface of the receiving portion of the chip mounting base, and the heat-dissipating surface is exposed.
Die wärmeabführende Fläche des Aufnahmeabschnitts des Chip-Montage-Sockels ist direkt der Luft ausgesetzt, so dass die Effektivität der Wärmeabfuhr verbessert ist und mehr Platz auf der Platine eingespart wird.The heat dissipating surface of the The receiving section of the chip mounting base is directly in the air exposed so that the effectiveness of heat dissipation is improved and more space is saved on the board.
Um ein besseres Verständnis der Erfindung zu ermöglichen, zeigt die folgende detaillierte Beschreibung Ausführungsformen und Beispiele der Erfindung. Beispiele der wichtigeren Merkmale der Erfindung wurden deshalb eher breit zusammengefasst, so dass die folgende detaillierte Beschreibung besser verstanden werden kann und so dass die Beiträge zum Stand der Technik ersichtlich werden. Es gibt natürlich zusätzliche Merkmale der Erfindung, welche folgend beschrieben werden und welche den Gegenstand der angehängten Ansprüche bilden.Around a better understanding to enable the invention shows the following detailed description of embodiments and examples of the invention. Examples of the more important features The invention was therefore rather broadly summarized, so that the following detailed description can be better understood can and so the posts state of the art. There are, of course, additional ones Features of the invention, which are described below and which the subject of the attached Expectations form.
KURZBESCHREIBUNG DER FIGURENSUMMARY THE FIGURES
Die vorangegangenen Aspekte und viele der begleitenden Vorteile dieser Erfindung werden besser ersichtlich sowie leichter verstanden mit Bezug auf die folgende detaillierte Beschreibung, wenn in Zusammenhang mit den beiliegenden Zeichnungen gesehen, wobei:The previous aspects and many of the accompanying benefits of this Invention will be more apparent and more easily understood with Reference to the following detailed description when in context seen with the accompanying drawings, wherein:
DETAILLIERTE BESCHREIBUNG DER AUSFÜHRUNGSFORMENDETAILED DESCRIPTION OF THE EMBODIMENTS
Der
Chip-Montage-Sockel
Der
Chip
Jeder
der Anschlüsse
Jede
der Leitungen
Das
isolierende Element
Da
der Stützabschnitt
Es
wird auf
Es
wird Bezug auf
Es
wird Bezug auf
Mit
Bezug auf
Es
wird Bezug auf die
Es
wird Bezug auf
Es
wird Bezug auf
Wie oben angedeutet, weist das Chip-Modul der vorliegenden Erfindung die folgenden Vorteile auf:
- (1) Der Stützabschnitt des Chip-Montage-Sockels ist auf der Platine befestigt, so dass das Chip-Modul der vorliegenden Erfindung fest auf der Platine befestigt werden kann, und die wärmeabführende Fläche des Aufnahmeabschnitts des Chip-Montage-Sockels und der Stützabschnitt sind der Luft ausgesetzt, um die Wärme direkt abzuführen und um die Effektivität der Wärmeabfuhr zu verbessern. Deshalb weist der Chip-Montage-Sockel sowohl eine Befestigungsfunktion als auch eine Wärmeabfuhr-Funktion auf.
- (2) Der Stützabschnitt des Chip-Montage-Sockels ist auf dem elektrisch leitenden Bauelement der Platine befestigt, so dass der Chip elektrisch über den Chip-Montage-Sockel mit der Platine verbunden ist. Deshalb weist der Chip-Montage-Sockel eine elektrisch leitende Funktion auf.
- (3) Der Chip-Montage-Sockel weist ferner einen Aufliegeabschnitt auf, welcher auf der Platine fixiert ist, so dass das Chip-Modul der vorliegenden Erfindung fester auf der Platine montiert ist, und die Wärmeabfuhr-Fläche ist vergrößert, um ferner die Effektivität der Wärmeabfuhr zu verbessern.
- (4) Die Anordnung der vorliegenden Erfindung, bei der die wärmeabführende Fläche des
Aufnahmeabschnitts des Chip-Montage-Sockels
direkt der Luft ausgesetzt ist (wie in der
13 und der14 gezeigt), um Wärme direkt abzuführen, ist vollständig verschieden von der Anordnung des konventionellen Chip-Modul-Typs des Typs TO-252(DPAK) oder des Typs TO-263(D2PAK) (wie in der1 gezeigt), bei der der Chip-Montage-Sockel zwischen dem isolierenden Element und der Platine angeordnet ist, so dass das Chip-Modul der vorliegenden Erfindung die Effektivität der Wärmeabfuhr verbessert und Platz auf der Platine eingespart wird. Dem Fachmann sollte es ersichtlich sein, dass die obige Beschreibung lediglich erläuternd für die spezifischen Ausführungsformen und Beispiele der Erfindung ist. Die Erfindung sollte deshalb verschiedene Modifikationen und Variationen, welche den hierin beschriebenen Strukturen und Abläufe der Erfindung hinzugefügt sind, mit einschließen, vorausgesetzt, dass sie in den Umfang der Erfindung fallen, wie er in den folgenden beigefügten Ansprüchen definiert ist.
- (1) The support portion of the chip mounting base is fixed on the board, so that the chip module of the present invention can be fixedly mounted on the board, and the heat dissipating surface of the receiving portion of the chip mounting base and the support portion are exposed to the air to dissipate the heat directly and to improve the effectiveness of the heat dissipation. Therefore, the chip mounting base has both a fastening function and a heat dissipation function.
- (2) The support section of the chip mounting base is fixed on the electrically conductive component of the circuit board, so that the chip is electrically connected to the circuit board via the chip mounting base. The chip mounting base therefore has an electrically conductive function.
- (3) The chip mounting base further has a support portion which is fixed on the board so that the chip module of the present invention is more firmly mounted on the board, and the heat dissipation area is increased to further increase the effectiveness to improve heat dissipation.
- (4) The arrangement of the present invention in which the heat-dissipating surface of the accommodating portion of the chip mounting base is directly exposed to the air (as in FIG
13 and the14 ) to dissipate heat directly is completely different from the arrangement of the conventional TO-252 (DPAK) or TO-263 (D2PAK) type chip module (as shown in FIG1 shown), in which the chip mounting base is arranged between the insulating element and the circuit board, so that the chip module of the present invention improves the effectiveness of the heat dissipation and saves space on the circuit board. It should be apparent to those skilled in the art that the above description is only illustrative of the specific embodiments and examples of the invention. The invention should therefore include various modifications and variations that are described herein added to the structures and procedures of the invention provided that they fall within the scope of the invention as defined in the following appended claims.
Stand der TechnikState of technology
Vorliegende Erfindung
- 1
- Chip-Montage-Sockel
- 10
- Aufnahmeabschnitt
- 101
- Aufnahmefläche
- 102
- wärmeabführende Fläche
- 11
- Stützabschnitt
- 111
- innere Fläche
- 112
- äußere Fläche
- 12
- Aufliegeabschnitt
- 2
- Chip
- 20
- Bond-Kontakt
- 21
- elektrisch leitende Fläche
- 3
- Anschluss
- 4
- Leitung
- 5
- isolierendes Element
- 6
- wärmeabführende Vorrichtung
- 9
- Platine
- 90
- elektrischer Kontakt
- 91
- elektrisch leitendes Bauelement
- 1
- Chip mounting socket
- 10
- receiving portion
- 101
- receiving surface
- 102
- heat-dissipating surface
- 11
- support section
- 111
- inner surface
- 112
- outer surface
- 12
- Aufliegeabschnitt
- 2
- chip
- 20
- Bond Contact
- 21
- electrically conductive surface
- 3
- connection
- 4
- management
- 5
- insulating element
- 6
- heat-dissipating device
- 9
- circuit board
- 90
- electric contact
- 91
- electrically conductive component
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202004011399U DE202004011399U1 (en) | 2004-03-19 | 2004-07-21 | Chip module especially TO-252(DPAK) or TO-263(D2PAK) types can be firmly mounted on a platform and has exposed heat dissipating surface |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW093204253U TWM256587U (en) | 2004-03-19 | 2004-03-19 | Chip module |
TW093204253 | 2004-03-19 | ||
DE202004006288.7 | 2004-04-21 | ||
DE202004006288U DE202004006288U1 (en) | 2004-03-19 | 2004-04-21 | chip module |
DE202004011399U DE202004011399U1 (en) | 2004-03-19 | 2004-07-21 | Chip module especially TO-252(DPAK) or TO-263(D2PAK) types can be firmly mounted on a platform and has exposed heat dissipating surface |
Publications (1)
Publication Number | Publication Date |
---|---|
DE202004011399U1 true DE202004011399U1 (en) | 2004-12-23 |
Family
ID=33553679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE202004011399U Expired - Lifetime DE202004011399U1 (en) | 2004-03-19 | 2004-07-21 | Chip module especially TO-252(DPAK) or TO-263(D2PAK) types can be firmly mounted on a platform and has exposed heat dissipating surface |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE202004011399U1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2259313A1 (en) * | 2009-06-05 | 2010-12-08 | Renesas Electronics Corporation | Semiconductor device |
EP3633720A1 (en) * | 2018-10-05 | 2020-04-08 | Aros Electronics AB | Surface mounted heat buffer |
-
2004
- 2004-07-21 DE DE202004011399U patent/DE202004011399U1/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2259313A1 (en) * | 2009-06-05 | 2010-12-08 | Renesas Electronics Corporation | Semiconductor device |
EP3633720A1 (en) * | 2018-10-05 | 2020-04-08 | Aros Electronics AB | Surface mounted heat buffer |
WO2020070254A1 (en) * | 2018-10-05 | 2020-04-09 | Aros Electronics Ab | Surface mounted heat buffer |
US11497142B2 (en) | 2018-10-05 | 2022-11-08 | Aros Electronics Ab | Surface mounted heat buffer |
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