DE10246577A1 - Circuit board with metal housing, e.g. for motor vehicle control circuit, has spring member for making contact between circuit board or power semiconductor device and metal housing for heat removal - Google Patents
Circuit board with metal housing, e.g. for motor vehicle control circuit, has spring member for making contact between circuit board or power semiconductor device and metal housing for heat removal Download PDFInfo
- Publication number
- DE10246577A1 DE10246577A1 DE2002146577 DE10246577A DE10246577A1 DE 10246577 A1 DE10246577 A1 DE 10246577A1 DE 2002146577 DE2002146577 DE 2002146577 DE 10246577 A DE10246577 A DE 10246577A DE 10246577 A1 DE10246577 A1 DE 10246577A1
- Authority
- DE
- Germany
- Prior art keywords
- circuit board
- metal housing
- spring element
- power semiconductor
- housing
- 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- Withdrawn
Links
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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3677—Wire-like or pin-like cooling fins or heat sinks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
- H05K1/0206—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate by printed thermal vias
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Die Erfindung betrifft eine Leiterplatte mit einem Metallgehäuse gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a printed circuit board with a metal case according to the generic term of claim 1.
Leiterplatten werden zur Anordnung elektrischer oder elektronischer Komponenten für z.B. Steuerungen in Kraftfahrzeugen eingesetzt. Die Komponenten sind vorzugsweise mit der SMD (Surface Mounted Device) – Technik, das heißt auf einer Oberfläche der Leiterplatte, befestigt. Falls auf den Leiterplatten Leistungshalbleiter angeordnet sind, die Wärme erzeugen, muss diese Wärme abgeleitet werden.Printed circuit boards become an arrangement electrical or electronic components for e.g. Controls in motor vehicles used. The components are preferably with the SMD (Surface Mounted Device) - technology, this means on one surface the circuit board. If power semiconductors on the circuit boards are arranged, the heat generate this heat be derived.
Der Anmelderin ist eine Leiterplatte mit mindestens einem Leistungshalbleiter bekannt, die in einem Metallgehäuse befestigt, z.B. geschraubt ist. Im Gehäuseboden ist an der Stelle, die dem Leistungshalbleiter gegenüberliegt, eine Erhebungen in Richtung der Leiterplatte angeordnet. Die Erhebung ist so hoch, dass sie und die Leiterplatte mit ihren zugewandten Flächen im wesentlichen in einer Ebene sind. Zwischen der Fläche und der Leiterplatte ist z.B. eine Wärmeleitfolie oder ein Gelpad angeordnet, um durch Verkleben einen sicheren, elastischen Verbund zu gewährleisten. Nachteil dieser Leiterplatte ist, dass die Erhebung fester Bestandteil des Gehäuses ist. Wenn z.B. die Anordnung des Leistungshalbleiters auf der Leiterplatte geändert wird, muss auch das Gehäuse entsprechend geändert werden, was mit zusätzlichem Aufwand verbunden ist. Die Anordnung der Wärmeleitfolie oder des Gelpad ist aufwändig, verschlechtert die Wärmeleitfähigkeit gegenüber dem direkten Kontakt, und bei relativ gut wärmeleitfähigem Material ist die Elastizität unbefriedigend.The applicant is a printed circuit board known with at least one power semiconductor, which is fixed in a metal housing, e.g. is screwed. In the case back is at the point opposite the power semiconductor a bumps arranged in the direction of the circuit board. The assessment is so high that it and the circuit board with their facing surfaces are essentially in one plane. Between the surface and the circuit board is e.g. a thermal foil or a gel pad arranged to glue a secure, elastic Ensure interconnection. Disadvantage of this circuit board is that the survey is an integral part of the housing is. If e.g. the arrangement of the power semiconductor on the circuit board changed the housing must also changed accordingly be what with additional Effort is connected. The arrangement of the heat-conducting film or the gel pad is complex, deteriorates the thermal conductivity compared to the direct contact, and the elasticity is unsatisfactory in the case of relatively good heat-conductive material.
Die
Aufgabe der Erfindung ist es, eine Leiterplatte zu schaffen, von der Wärme sicher in ein Metallgehäuse abgeleitet werden kann. Hierbei sollen die aus dem Stand der Technik bekannten Nachteile vermieden werden.The object of the invention is a To create circuit board from which heat is safely dissipated in a metal case can be. The known from the prior art Disadvantages are avoided.
Die Aufgabe ist durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst. Dadurch, dass die Mittel zum Ableiten von Wärme mindestens ein aus Blech geformtes Federelement umfassen, das mit Kontakt zwischen der Leiterplatte oder dem Leistungsmodul und dem Metallgehäuse angeordnet ist, ist auch ohne Verklebung immer eine optimal große Kontaktfläche zwischen der Wärmequelle auf der Leiterplatte und den Mitteln zum Abführen von Wärme gewährleistet. Die Wärmeableitung erfolgt durch Metall, also ein sehr gut wärmeleitendes Material. Da Metall weder kriecht noch schrumpft noch versprödet, ist dauerhaft ein vollständiger Kontakt zwischen der Wärmequelle und den Mitteln zum Ableiten von Wärme gegeben.The task is due to the characteristic features of claim 1 solved. The fact that the means for dissipating heat at least one made of sheet metal Shaped spring element include that in contact between the circuit board or the power module and the metal housing is also arranged without gluing always an optimally large contact area between the heat source guaranteed on the circuit board and the means for dissipating heat. The heat dissipation is made of metal, a very good heat-conducting material. Because metal neither creeping nor shrinking nor embrittling is permanent full contact between the heat source and the means for dissipating heat.
Die Mittel zum Ableiten können neben dem Federelement z.B. thermische Durchkontaktierungen, Plättchen und das Gehäuse umfassen.The means for deriving can be next the spring element e.g. thermal vias, platelets and the housing include.
Die Federkraft des Federelements ist einfach durch z.B. Materialauswahl und/oder Form des Federelements einstellbar, so dass einerseits der Kontakt gewährleistet ist und andererseits eine schädliche Durchbiegung der Leiterplatte vermieden wird.The spring force of the spring element is easy by e.g. Material selection and / or shape of the spring element adjustable, so that contact is guaranteed on the one hand and on the other hand a harmful Deflection of the circuit board is avoided.
Die Ausgestaltung des Metallgehäuses ist unabhängig von der Anordnung der Leistungshalbleiter auf der Leiterplatte, so dass Änderungen bei dem einen keine Änderungen bei dem anderen nach sich ziehen müssen. Dies vereinfacht insgesamt die Fertigung.The design of the metal housing is independent of the arrangement of the power semiconductors on the circuit board, making changes in the one no changes with the other. Overall, this simplifies manufacturing.
Die Unteransprüche betreffen die vorteilhafte Ausgestaltung der Erfindung.The subclaims relate to the advantageous embodiment the invention.
Eine Befestigung des Federelements an der Leiterplatte nach Anspruch 2 ist leicht herzustellen.A fastening of the spring element on the circuit board according to claim 2 is easy to manufacture.
Eine Befestigung des Federelements am Metallgehäuse nach Anspruch 3 ermöglicht die Wärmeabführung aus zwei Leistungshalbleitern.A fastening of the spring element on the metal housing according to claim 3 the heat dissipation two power semiconductors.
Kammartige Zähne nach Anspruch 4 bewirken einen Ausgleich von z.B. Unebenheiten im Metallgehäuse. Jeder Zahn steht in Kontakt mit dem Metallgehäuse; ein nur punktförmiger Kontakt infolge von Verwindungen wird sowohl zwischen Leiterplatte und Federelement als auch zwischen Metallgehäuse und Federelement vermieden.Comb-like teeth effect according to claim 4 a compensation of e.g. Bumps in the metal housing. Everyone Tooth is in contact with the metal housing; a point contact only due to twisting is both between the circuit board and the spring element as well as between the metal case and Avoid spring element.
Eine Befestigung durch mindestens einen Niet nach Anspruch 5 oder durch Lötverbindungen nach Anspruch 6 sind einfach herzustellen.An attachment by at least a rivet according to claim 5 or by solder connections according to claim 6 are easy to manufacture.
Eine Befestigung durch mindestens eine Schraube nach Anspruch 5 ist ohne besonderen Aufwand wieder lösbar.An attachment by at least a screw according to claim 5 is again without any special effort solvable.
Die Erfindung wird anhand des in der Zeichnung vereinfacht dargestellten Ausführungsbeispiels näher erläutert. Es zeigenThe invention is based on the in the drawing, illustrated in simplified form, the embodiment. It demonstrate
Wie aus
Wie aus
Dabei ist jeder Zahn
Das Federelement
Ein erstes Einbaubeispiel für das Federelement
Die im Betrieb der Leiterplatte
Das zweite Einbaubeispiel nach
Den zwei Leistungshalbleitern
In den Einbaubeispielen ist das Federelement
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002146577 DE10246577A1 (en) | 2002-10-05 | 2002-10-05 | Circuit board with metal housing, e.g. for motor vehicle control circuit, has spring member for making contact between circuit board or power semiconductor device and metal housing for heat removal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002146577 DE10246577A1 (en) | 2002-10-05 | 2002-10-05 | Circuit board with metal housing, e.g. for motor vehicle control circuit, has spring member for making contact between circuit board or power semiconductor device and metal housing for heat removal |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10246577A1 true DE10246577A1 (en) | 2004-04-15 |
Family
ID=32010291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2002146577 Withdrawn DE10246577A1 (en) | 2002-10-05 | 2002-10-05 | Circuit board with metal housing, e.g. for motor vehicle control circuit, has spring member for making contact between circuit board or power semiconductor device and metal housing for heat removal |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10246577A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005022226A1 (en) * | 2005-05-10 | 2006-11-16 | RUNGE, André | Connecting box for photovoltaic module, has electronic components, e.g. diodes, subjected to heat and flexibly pressed against heat sink due to force that acts directly or indirectly on one of components |
EP2048928A3 (en) * | 2007-10-09 | 2010-01-06 | Vetco Gray Controls Limited | Heat removal from electrical modules |
EP2467005A1 (en) | 2010-12-20 | 2012-06-20 | Vetco Gray Controls Limited | Cooling component of an electronic unit |
WO2014085323A1 (en) * | 2012-11-29 | 2014-06-05 | Bose Corporation | Circuit cooling |
DE102016115453A1 (en) * | 2016-08-19 | 2018-02-22 | Krohne Ag | Measuring device with heat-conducting device, heat-conducting device and method |
WO2021180556A1 (en) * | 2020-03-10 | 2021-09-16 | Atlas Elektronik Gmbh | Device for dissipating heat from a shock-mounted electrical circuit |
WO2023046278A1 (en) * | 2021-09-22 | 2023-03-30 | Volkswagen Aktiengesellschaft | A spacer, an electronic module, a vehicle and a manufacturing method |
Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8302647U1 (en) * | 1983-02-01 | 1983-06-16 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Unit for communications engineering equipment. |
DE8331980U1 (en) * | 1983-11-08 | 1984-03-29 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Unit for communications engineering equipment |
EP0340520A2 (en) * | 1988-05-05 | 1989-11-08 | Siemens Nixdorf Informationssysteme Aktiengesellschaft | Convection-cooling arrangement for electrical components, particularly of integrated circuits with semiconductors |
DE4004457A1 (en) * | 1990-02-14 | 1991-08-22 | Telefunken Systemtechnik | Heat sink for electronic circuit board component - has wires between thermal contact plate and circuit board housing |
DE3790062C2 (en) * | 1986-02-06 | 1992-01-23 | Fujitsu Ltd., Kawasaki, Kanagawa, Jp | |
US5206792A (en) * | 1991-11-04 | 1993-04-27 | International Business Machines Corporation | Attachment for contacting a heat sink with an integrated circuit chip and use thereof |
DE4410029A1 (en) * | 1993-07-06 | 1995-01-19 | Hewlett Packard Co | Spring-loaded heat sink arrangement for a plurality of integrated circuits on a substrate |
DE19506664A1 (en) * | 1995-02-25 | 1996-02-29 | Bosch Gmbh Robert | Electric control apparatus for vehicle IC engine electromechanical mechanism |
US5648889A (en) * | 1993-06-07 | 1997-07-15 | Melcher, Ag | Attachment device for semiconductor circuit elements |
WO1998051137A1 (en) * | 1997-05-02 | 1998-11-12 | Nokia Telecommunications Oy | Method for mounting a cooling element on an apparatus and such a cooling element |
DE19853777A1 (en) * | 1998-11-21 | 2000-05-25 | Wuerth Elektronik Gmbh & Co Kg | Heat sink element for printed circuit board electronic component provided by metallic plate with pins along at least one side edge fitting through holes in surface of printed circuit board |
US6130821A (en) * | 1998-12-03 | 2000-10-10 | Motorola, Inc. | Multi-chip assembly having a heat sink and method thereof |
DE19925983A1 (en) * | 1999-06-08 | 2000-12-14 | Bosch Gmbh Robert | Heat sink for dissipating heat losses from electronic component has contact surface with component equal in area to that of component surface |
DE20014739U1 (en) * | 2000-08-28 | 2000-12-14 | Fischer-Elektronik GmbH & Co. KG, 58511 Lüdenscheid | Device for holding electronic components |
EP1109432A1 (en) * | 1999-12-17 | 2001-06-20 | Pace Micro Technology Ltd | Heat dissipation in electrical apparatus |
US6362961B1 (en) * | 1999-04-22 | 2002-03-26 | Ming Chin Chiou | CPU and heat sink mounting arrangement |
EP1248507A1 (en) * | 2001-04-04 | 2002-10-09 | Siemens Aktiengesellschaft | High frequencies module for audio device with improved heat dissipation |
DE10142987A1 (en) * | 2001-09-01 | 2003-04-03 | Conti Temic Microelectronic | Heat dissipation element for electronic components |
-
2002
- 2002-10-05 DE DE2002146577 patent/DE10246577A1/en not_active Withdrawn
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8302647U1 (en) * | 1983-02-01 | 1983-06-16 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Unit for communications engineering equipment. |
DE8331980U1 (en) * | 1983-11-08 | 1984-03-29 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Unit for communications engineering equipment |
DE3790062C2 (en) * | 1986-02-06 | 1992-01-23 | Fujitsu Ltd., Kawasaki, Kanagawa, Jp | |
EP0340520A2 (en) * | 1988-05-05 | 1989-11-08 | Siemens Nixdorf Informationssysteme Aktiengesellschaft | Convection-cooling arrangement for electrical components, particularly of integrated circuits with semiconductors |
DE4004457A1 (en) * | 1990-02-14 | 1991-08-22 | Telefunken Systemtechnik | Heat sink for electronic circuit board component - has wires between thermal contact plate and circuit board housing |
US5206792A (en) * | 1991-11-04 | 1993-04-27 | International Business Machines Corporation | Attachment for contacting a heat sink with an integrated circuit chip and use thereof |
US5648889A (en) * | 1993-06-07 | 1997-07-15 | Melcher, Ag | Attachment device for semiconductor circuit elements |
DE4410029A1 (en) * | 1993-07-06 | 1995-01-19 | Hewlett Packard Co | Spring-loaded heat sink arrangement for a plurality of integrated circuits on a substrate |
DE19506664A1 (en) * | 1995-02-25 | 1996-02-29 | Bosch Gmbh Robert | Electric control apparatus for vehicle IC engine electromechanical mechanism |
WO1998051137A1 (en) * | 1997-05-02 | 1998-11-12 | Nokia Telecommunications Oy | Method for mounting a cooling element on an apparatus and such a cooling element |
DE19853777A1 (en) * | 1998-11-21 | 2000-05-25 | Wuerth Elektronik Gmbh & Co Kg | Heat sink element for printed circuit board electronic component provided by metallic plate with pins along at least one side edge fitting through holes in surface of printed circuit board |
US6130821A (en) * | 1998-12-03 | 2000-10-10 | Motorola, Inc. | Multi-chip assembly having a heat sink and method thereof |
US6362961B1 (en) * | 1999-04-22 | 2002-03-26 | Ming Chin Chiou | CPU and heat sink mounting arrangement |
DE19925983A1 (en) * | 1999-06-08 | 2000-12-14 | Bosch Gmbh Robert | Heat sink for dissipating heat losses from electronic component has contact surface with component equal in area to that of component surface |
EP1109432A1 (en) * | 1999-12-17 | 2001-06-20 | Pace Micro Technology Ltd | Heat dissipation in electrical apparatus |
DE20014739U1 (en) * | 2000-08-28 | 2000-12-14 | Fischer-Elektronik GmbH & Co. KG, 58511 Lüdenscheid | Device for holding electronic components |
EP1248507A1 (en) * | 2001-04-04 | 2002-10-09 | Siemens Aktiengesellschaft | High frequencies module for audio device with improved heat dissipation |
DE10142987A1 (en) * | 2001-09-01 | 2003-04-03 | Conti Temic Microelectronic | Heat dissipation element for electronic components |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005022226A1 (en) * | 2005-05-10 | 2006-11-16 | RUNGE, André | Connecting box for photovoltaic module, has electronic components, e.g. diodes, subjected to heat and flexibly pressed against heat sink due to force that acts directly or indirectly on one of components |
DE102005022226B4 (en) * | 2005-05-10 | 2008-05-15 | RUNGE, André | Cooling arrangement for arranged in a housing electronic components |
EP2048928A3 (en) * | 2007-10-09 | 2010-01-06 | Vetco Gray Controls Limited | Heat removal from electrical modules |
EP2467005A1 (en) | 2010-12-20 | 2012-06-20 | Vetco Gray Controls Limited | Cooling component of an electronic unit |
WO2014085323A1 (en) * | 2012-11-29 | 2014-06-05 | Bose Corporation | Circuit cooling |
US9049811B2 (en) | 2012-11-29 | 2015-06-02 | Bose Corporation | Circuit cooling |
CN104813759A (en) * | 2012-11-29 | 2015-07-29 | 伯斯有限公司 | Circuit cooling |
CN104813759B (en) * | 2012-11-29 | 2017-04-12 | 伯斯有限公司 | Circuit cooling |
DE102016115453A1 (en) * | 2016-08-19 | 2018-02-22 | Krohne Ag | Measuring device with heat-conducting device, heat-conducting device and method |
DE102016115453B4 (en) | 2016-08-19 | 2023-10-19 | Krohne Ag | Measuring device with heat-conducting device, heat-conducting device and method |
WO2021180556A1 (en) * | 2020-03-10 | 2021-09-16 | Atlas Elektronik Gmbh | Device for dissipating heat from a shock-mounted electrical circuit |
WO2023046278A1 (en) * | 2021-09-22 | 2023-03-30 | Volkswagen Aktiengesellschaft | A spacer, an electronic module, a vehicle and a manufacturing method |
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Legal Events
Date | Code | Title | Description |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: HELLA KGAA HUECK & CO., 59557 LIPPSTADT, DE |
|
8139 | Disposal/non-payment of the annual fee |