WO1996026631A1 - Procede de fabrication d'une carte electronique a refroidissement par conduction thermique - Google Patents
Procede de fabrication d'une carte electronique a refroidissement par conduction thermique Download PDFInfo
- Publication number
- WO1996026631A1 WO1996026631A1 PCT/FR1996/000150 FR9600150W WO9626631A1 WO 1996026631 A1 WO1996026631 A1 WO 1996026631A1 FR 9600150 W FR9600150 W FR 9600150W WO 9626631 A1 WO9626631 A1 WO 9626631A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- components
- card
- printed circuit
- drain
- face
- Prior art date
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
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/42—Recording and playback systems, i.e. in which the programme is recorded from a cycle of operations, e.g. the cycle of operations being manually controlled, after which this record is played back on the same machine
- G05B19/4202—Recording and playback systems, i.e. in which the programme is recorded from a cycle of operations, e.g. the cycle of operations being manually controlled, after which this record is played back on the same machine preparation of the programme medium using a drawing, a model
- G05B19/4207—Recording and playback systems, i.e. in which the programme is recorded from a cycle of operations, e.g. the cycle of operations being manually controlled, after which this record is played back on the same machine preparation of the programme medium using a drawing, a model in which a model is traced or scanned and corresponding data recorded
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/49—Nc machine tool, till multiple
- G05B2219/49347—Machine cover, first scan surface on which cover is to be placed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
- Y10T29/49131—Assembling to base an electrical component, e.g., capacitor, etc. by utilizing optical sighting device
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/53174—Means to fasten electrical component to wiring board, base, or substrate
Definitions
- the present invention relates to the field of heat dissipation of electronic components on printed circuits and more particularly relates to a method of manufacturing an electronic card cooled by thermal conduction.
- a plasticized bag containing a coolant of the fluoradiator type is used; a bag of this type is sold under the trade name of FLUORINERT.
- Such a heat dissipation device is difficult to implement in devices containing multiple cards such as, for example, card bins equipping bay structures. Indeed, the cards are generally positioned vertically inside the tray and the reduced space between cards does not allow a cold dissipative plate to be inserted. On the other hand, due to the vertical position of the cards, a device of the cooler bag type would no longer be held on the card. Finally, the bag type device has a certain rigidity and is only applied on top of the electrical components which emerge the most from the printed circuit board. The interface between the components and the bag is not optimized. Thus, some of the components which are not in contact with the bag cannot be cooled sufficiently to allow them to operate within the temperature ranges specified for military applications. This excludes from these applications the cards thus equipped.
- this method uses a system for monitoring the face comprising the electronic components, or an imprint of this face, which uses a mechanical sensor whose precision, robustness, and scanning speed are low.
- the invention provides a method of manufacturing an electronic card with thermal conduction cooling, this card comprising a printed circuit on which electronic components are fixed on at least one of the faces of the printed circuit, this circuit being associated with a heat dissipation device, in which:
- the position information from the sensor is converted and processed using a computer system in order to constitute a machining program
- a rigid heat sink is machined with a programmable machine tool, one face of which is adapted to closely match the face of the printed circuit equipped with the components
- the surface of the printed circuit equipped with the components is covered by the heat sink, and
- the heat sink is mechanically fixed on the printed circuit equipped with the components; this method being mainly characterized in that the position sensor comprises a laser scanning head making it possible to obtain the coordinates of the different points of said face.
- the position sensor is forwarded directly to the face of the printed circuit equipped with the components.
- the drain is provided with a liquid circulation system making it possible to cool this drain.
- this circulation system is of the serpentine type.
- the drain is joined to the electrical ground of the card to shield this card from an electromagnetic point of view.
- the drain is extended to the edges of the card, and the edges of this drain are thinned to allow them to be inserted in the card holding slides, which makes it possible to use thermal type.
- FIG. 1 a illustrates a sectional view of a thermal cooling electronic card manufactured according to the method according to the invention.
- This card includes an assembly of a heat sink 1 with a printed circuit 2 equipped with electronic components 3i.
- the face 4 of the heat sink 1, facing the components 3i exactly follows the face 5 of the printed circuit 2 equipped with the components 3i and just fits thereon.
- the two faces, 4 and 5, are separated by an empty space 6 of a few tenths of a millimeter corresponding for example to the thickness of a film described later.
- the space 6 is advantageously used on the one hand to ensure thermal coupling between the drain 1 and the printed circuit 2 and on the other hand to ensure mechanical coupling by fixing the drain 1 on the printed circuit 1 equipped with the components 3i.
- the mechanical and thermal coupling is carried out by one or more materials 7 independently or jointly ensuring the functions of electrical insulator and good thermal conductor, and which can be adhesive.
- This material can for example be a putty, a resin, a varnish, a grease, or a gel, inserted between the face 4 of the drain 1 and the face 5 of the printed circuit 2 equipped with the components 3i.
- the materials 7 completely fill the space 6 and thus ensure a surface thermal coupling without heat accumulation points.
- the heat sink 1 thus fixed on the printed circuit 2 also ensures the tightness of the electronic card, 2 and 3i, in particular with respect to water vapor.
- the materials 7 used to ensure the thermal and mechanical couplings can be dissolved by a solvent suitable for the materials 7 or mechanically destroyed to allow disassembly of the drain 1 in the event of intervention on the electronic components 3i implanted on the printed circuit 2.
- This heat sink 1 also guarantees better mechanical rigidity of the card. It can therefore also be considered as a mechanical stiffener.
- the heat sink can be connected to an electrical potential reference, the ground of the card for example, to allow it to play the role of electromagnetic screen. This protection is particularly effective in solving electromagnetic compatibility problems between neighboring cards in the same bin.
- the face 8 of the heat sink 1 opposite the components 3i can be advantageously profiled.
- FIG. 2 illustrates a first step of a first embodiment of the method according to the invention, in which an impression is taken of the face 5 of the printed circuit 2 and of the components 3i implanted on the printed circuit 2.
- a any card, 2 and 3i, of the trade, consisting of the printed circuit 2 and the components 3i installed on the printed circuit 2 may be temporarily coated with a film 10 of thin thickness, for example of the order of 0.5 mm .
- the film 10 is made of a rigid thermoformable and preferably antistatic material to prevent any electrostatic discharge which can destroy certain fragile components in contact with the film 10.
- an example of a known technique consists in softening the film 10 produced in a thermoplastic material, for example a material of the Macrolon (registered trademark) type, polycarbonate, PVC, etc., under the action of a source. of heat and at the same time, sucking the film 10 towards the components 3i by creating a vacuum, ie a partial vacuum between the film 10 and the printed circuit 2.
- a thermoplastic material for example a material of the Macrolon (registered trademark) type, polycarbonate, PVC, etc.
- the film 10 thus closely follows the shape of the components 3i and can join in places the surface of the printed circuit 2 in the widest spaces between components 3i. Once cooled, the film 10 retains the deformation undergone by the previous operation in the form of an imprint, in fact corresponding to the softened relief, or smoothed, of the real relief presented by the components 3i distributed over the surface of the printed circuit 2 .
- a second step of the first embodiment of the method according to the invention consists in forming the heat sink 1 adapted to the map, 2 and 3i, of which the impression was made, to use a position sensor (XYZ) 11.
- the height dimension Z is obtained using an optical probe operating at from a laser beam 110.
- This sensor traverses the surface of the film 10, or of the card, and transmits the three-dimensional information (XYZ) of position to a programmable machine tool 12 in the form of a machining program 13.
- This sensor can in particular be formed by a scanning head such as those which are used in a known manner in integrated machining systems. The distance is measured in a known manner by triangulation.
- the surface of the card comprising the components can be dusted with a white powder which allows correct back scattering of the laser beam.
- the heat sink 1 is machined from a rigid material which is a good thermal conductor, for example an aluminum alloy, and thus constitutes the "negative of the face 5 of the printed circuit 2 equipped with the components 3i.
- savings are made in the drain, that is to say holes, allowing access to certain parts of said face (5) and / or of the components which it supports.
- the point of thermal equilibrium between the heat sink and the ambient environment is not reached in the very short period of use of the card (transient use).
- the heat sink used then serves as a heat reservoir.
- Aluminum is a material with a high caloric storage power.
- a heat sink made of an aluminum-based material can be arranged to receive materials with solid / solid phase change, such as acetamide, or liquid / vapor such as methanol. These materials, in the form of inserts are placed in the thickness of the thermal drain and thus make it possible to increase the heat capacity of the thermal drain.
- a liquid circulation system for example a coil, which allows cooling by circulation of a liquid coming from an external source.
- thermal slides known in themselves, make it possible to cool the sides of the card, and therefore of the drain, by transferring the calories from the drain to a heat sink outside the card.
- This heat sink may for example be a cold plate forming part of the tray receiving the cards and comprising these slides.
- This system which can also operate at the connector of the card, is described in particular in French patent application No. 89 09638 filed by the applicant on July 18, 1989 and published on January 25, 1991 under No. 2,650,146.
- the last step of the process according to the invention then consists in covering the printed circuit and the components 3i implanted on the circuit 2 by the thermal drain 1 produced according to one of the preceding embodiments and in mechanically fixing the drain 1 on the card , 2 and 3i, through the material 7 filling the space 6 between the drain 1 and the card, 2 and 3i, for ensure mechanical and thermal coupling between drain 1 and the card, 2 and 3i.
- the invention is not limited to a printed circuit on one side and can also extend to a printed circuit on both sides, the card then comprising a heat sink on either side of the printed circuit. .
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/894,233 US6035524A (en) | 1995-02-21 | 1996-01-30 | Method for fabricating an electronics board with thermal-conduction cooling |
EP96902303A EP0811309A1 (fr) | 1995-02-21 | 1996-01-30 | Procede de fabrication d'une carte electronique a refroidissement par conduction thermique |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR95/01972 | 1995-02-21 | ||
FR9501972A FR2730894B3 (fr) | 1995-02-21 | 1995-02-21 | Procede de fabrication d'une carte electronique a refroidissement par conduction thermique |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996026631A1 true WO1996026631A1 (fr) | 1996-08-29 |
Family
ID=9476346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1996/000150 WO1996026631A1 (fr) | 1995-02-21 | 1996-01-30 | Procede de fabrication d'une carte electronique a refroidissement par conduction thermique |
Country Status (5)
Country | Link |
---|---|
US (1) | US6035524A (fr) |
EP (1) | EP0811309A1 (fr) |
CA (1) | CA2212943A1 (fr) |
FR (1) | FR2730894B3 (fr) |
WO (1) | WO1996026631A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2361005A1 (fr) * | 2008-12-12 | 2011-08-24 | Murata Manufacturing Co. Ltd. | Module de circuit |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6139975A (en) * | 1997-06-12 | 2000-10-31 | Hitachi Powered Metals Co., Ltd. | Sheet metal member, method of manufacturing same, and heat radiation plate |
FR2776161B1 (fr) | 1998-03-10 | 2000-05-26 | Thomson Marconi Sonar Sas | Antenne d'emission acoustique annulaire demontable |
FR2809580B1 (fr) | 2000-05-26 | 2002-08-30 | Thomson Marconi Sonar Sas | Transducteur electrodynamique pour acoustique sous-marine |
US6868217B1 (en) * | 2000-07-31 | 2005-03-15 | Cisco Technology, Inc. | Long reach unamplified optical SONET/SDH card |
FR2832023B1 (fr) * | 2001-11-02 | 2004-02-20 | Valeo Climatisation | Module de commande de groupe moto-ventilateur |
US6751096B2 (en) | 2002-08-16 | 2004-06-15 | 901D Llc | Modular electronic housing |
JP2004335865A (ja) * | 2003-05-09 | 2004-11-25 | Murata Mfg Co Ltd | 電子部品の製造方法および電子部品 |
SE529673C2 (sv) * | 2004-09-20 | 2007-10-16 | Danaher Motion Stockholm Ab | Kretsarrangemang för kylning av ytmonterade halvledare |
US7310233B2 (en) * | 2005-01-28 | 2007-12-18 | Tyco Electronics Power Systems | Apparatus and method for transferring heat from an electrical module |
DE102005034546A1 (de) * | 2005-07-23 | 2007-01-25 | Conti Temic Microelectronic Gmbh | Baugruppe mit Kühlvorrichtung |
US20070177356A1 (en) * | 2006-02-01 | 2007-08-02 | Jeffrey Panek | Three-dimensional cold plate and method of manufacturing same |
US7450387B2 (en) * | 2006-03-02 | 2008-11-11 | Tdk Innoveta Technologies, Inc. | System for cooling electronic components |
US20090103267A1 (en) * | 2007-10-17 | 2009-04-23 | Andrew Dean Wieland | Electronic assembly and method for making the electronic assembly |
US8576566B2 (en) | 2008-12-29 | 2013-11-05 | Hewlett-Packard Development Company, L.P. | Systems and method of a carrier device for placement of thermal interface materials |
US8879263B2 (en) * | 2009-08-17 | 2014-11-04 | Seagate Technology Llc | Conducting heat away from a printed circuit board assembly in an enclosure |
JP2011044570A (ja) * | 2009-08-20 | 2011-03-03 | Renesas Electronics Corp | 放熱板、半導体装置、および放熱板の製造方法 |
DE102010036910A1 (de) | 2010-08-08 | 2012-02-09 | Ssb Wind Systems Gmbh & Co. Kg | Elektrische Vorrichtung |
US9317079B2 (en) * | 2011-03-29 | 2016-04-19 | Echostar Uk Holdings Limited | Media content device with customized panel |
DE102013206999A1 (de) * | 2013-04-18 | 2014-10-23 | Robert Bosch Gmbh | Steuergerät für ein Kraftfahrzeug mit wärmeleitender Gehäusewand |
US9801277B1 (en) | 2013-08-27 | 2017-10-24 | Flextronics Ap, Llc | Bellows interconnect |
US9576930B2 (en) * | 2013-11-08 | 2017-02-21 | Taiwan Semiconductor Manufacturing Co., Ltd. | Thermally conductive structure for heat dissipation in semiconductor packages |
JP6269094B2 (ja) * | 2014-01-20 | 2018-01-31 | Tdk株式会社 | 電源装置 |
US11191186B2 (en) * | 2014-06-24 | 2021-11-30 | David Lane Smith | System and method for fluid cooling of electronic devices installed in an enclosure |
US10712398B1 (en) | 2016-06-21 | 2020-07-14 | Multek Technologies Limited | Measuring complex PCB-based interconnects in a production environment |
US10757800B1 (en) | 2017-06-22 | 2020-08-25 | Flex Ltd. | Stripline transmission lines with cross-hatched pattern return plane, where the striplines do not overlap any intersections in the cross-hatched pattern |
US11039531B1 (en) | 2018-02-05 | 2021-06-15 | Flex Ltd. | System and method for in-molded electronic unit using stretchable substrates to create deep drawn cavities and features |
US20190357386A1 (en) * | 2018-05-16 | 2019-11-21 | GM Global Technology Operations LLC | Vascular polymeric assembly |
US11224117B1 (en) | 2018-07-05 | 2022-01-11 | Flex Ltd. | Heat transfer in the printed circuit board of an SMPS by an integrated heat exchanger |
US10568215B1 (en) * | 2019-05-20 | 2020-02-18 | Flex Ltd. | PCBA encapsulation by thermoforming |
US11357130B2 (en) * | 2020-06-29 | 2022-06-07 | Microsoft Technology Licensing, Llc | Scalable thermal ride-through for immersion-cooled server systems |
GB2611028A (en) * | 2021-09-17 | 2023-03-29 | Aptiv Tech Ltd | A method of fitting a cooling device to a circuit board and a circuit board cooling device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0313801A1 (fr) * | 1987-10-26 | 1989-05-03 | Advanced Data Processing Adp S.R.L. | Machine pour mesurer et définir mathématiquement la surface des modèles tridimensionnels, en particulier pour la fabrication des moules avec des machines-outils à commande numérique |
FR2650146A1 (fr) * | 1989-07-18 | 1991-01-25 | Thomson Csf | Carte electronique a refroidissement par conduction thermique, compatible au format double europe, et bac a cartes destine a recevoir de telles cartes |
FR2654890A1 (fr) * | 1989-11-17 | 1991-05-24 | Matra Sep Imagerie Inf | Dispositif de dissipation thermique pour carte de circuits imprimes et procede pour sa fabrication. |
FR2691604A1 (fr) * | 1992-05-19 | 1993-11-26 | Thomson Csf | Carte électronique à refroidissement par conduction thermique et son procédé de réalisation. |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4233645A (en) * | 1978-10-02 | 1980-11-11 | International Business Machines Corporation | Semiconductor package with improved conduction cooling structure |
US4823869A (en) * | 1986-06-19 | 1989-04-25 | International Business Machines Corporation | Heat sink |
US4768286A (en) * | 1986-10-01 | 1988-09-06 | Eastman Christensen Co. | Printed circuit packaging for high vibration and temperature environments |
US5198651A (en) * | 1991-05-03 | 1993-03-30 | Symbol Technologies, Inc. | Laser diode device incorporating structure with integral scanning motor |
AU657774B2 (en) * | 1991-08-08 | 1995-03-23 | Sumitomo Electric Industries, Ltd. | Semiconductor chip module and method for manufacturing the same |
US5172301A (en) * | 1991-10-08 | 1992-12-15 | Lsi Logic Corporation | Heatsink for board-mounted semiconductor devices and semiconductor device assembly employing same |
US5218516A (en) * | 1991-10-31 | 1993-06-08 | Northern Telecom Limited | Electronic module |
JP3069819B2 (ja) * | 1992-05-28 | 2000-07-24 | 富士通株式会社 | ヒートシンク並びに該ヒートシンクに用いるヒートシンク取付具及びヒートシンクを用いた可搬型電子装置 |
US5844249A (en) * | 1993-12-24 | 1998-12-01 | Hoechst Aktiengesellschaft | Apparatus for detecting defects of wires on a wiring board wherein optical sensor includes a film of polymer non-linear optical material |
US5552992A (en) * | 1994-11-01 | 1996-09-03 | Larry J. Winget | Method and system for reproduction of an article from a physical model |
-
1995
- 1995-02-21 FR FR9501972A patent/FR2730894B3/fr not_active Expired - Lifetime
-
1996
- 1996-01-30 EP EP96902303A patent/EP0811309A1/fr not_active Withdrawn
- 1996-01-30 CA CA002212943A patent/CA2212943A1/fr not_active Abandoned
- 1996-01-30 WO PCT/FR1996/000150 patent/WO1996026631A1/fr not_active Application Discontinuation
- 1996-01-30 US US08/894,233 patent/US6035524A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0313801A1 (fr) * | 1987-10-26 | 1989-05-03 | Advanced Data Processing Adp S.R.L. | Machine pour mesurer et définir mathématiquement la surface des modèles tridimensionnels, en particulier pour la fabrication des moules avec des machines-outils à commande numérique |
FR2650146A1 (fr) * | 1989-07-18 | 1991-01-25 | Thomson Csf | Carte electronique a refroidissement par conduction thermique, compatible au format double europe, et bac a cartes destine a recevoir de telles cartes |
FR2654890A1 (fr) * | 1989-11-17 | 1991-05-24 | Matra Sep Imagerie Inf | Dispositif de dissipation thermique pour carte de circuits imprimes et procede pour sa fabrication. |
FR2691604A1 (fr) * | 1992-05-19 | 1993-11-26 | Thomson Csf | Carte électronique à refroidissement par conduction thermique et son procédé de réalisation. |
Non-Patent Citations (1)
Title |
---|
MULLER B ET AL: "KOMPLEXE FORMEN SCHNELLER DIGITALISIEREN FASTER DIGITIZING OF COMPLEX FORMS", WERKSTATT UND BETRIEB, vol. 128, no. 11, 1 November 1995 (1995-11-01), pages 972 - 975, XP000540809 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2361005A1 (fr) * | 2008-12-12 | 2011-08-24 | Murata Manufacturing Co. Ltd. | Module de circuit |
EP2361005A4 (fr) * | 2008-12-12 | 2014-06-18 | Murata Manufacturing Co | Module de circuit |
Also Published As
Publication number | Publication date |
---|---|
FR2730894B3 (fr) | 1997-03-14 |
FR2730894A1 (fr) | 1996-08-23 |
CA2212943A1 (fr) | 1996-08-29 |
EP0811309A1 (fr) | 1997-12-10 |
US6035524A (en) | 2000-03-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1996026631A1 (fr) | Procede de fabrication d'une carte electronique a refroidissement par conduction thermique | |
EP0565391B1 (fr) | Procédé et dispositif d'encapsulation en trois dimensions de pastilles semi-conductrices | |
EP1243169B1 (fr) | Module electronique a haut pouvoir de refroidissement | |
FR3040778A1 (fr) | Systeme de gestion thermique | |
US10448540B2 (en) | Ultrathin heat dissipation structure | |
WO2003024724A3 (fr) | Materiau d'interface thermique sec | |
EP0593330B1 (fr) | Procédé d'interconnexion 3D de boítiers de composants électroniques, et composant 3D en résultant | |
FR3023059A1 (fr) | Circuit integre comportant un dissipateur de chaleur | |
EP1792526A1 (fr) | Dispositif electronique avec repartiteur de chaleur integre | |
US20050230082A1 (en) | Thermal interface material and method for manufacturing same | |
CN101388367B (zh) | 晶圆级封装方法及其封装结构 | |
EP3305048B1 (fr) | Carte électronique et procédé de fabrication associé | |
WO2003032241A1 (fr) | Module electronique avec bossage de protection | |
FR2817374A1 (fr) | Support electronique d'informations | |
FR2691604A1 (fr) | Carte électronique à refroidissement par conduction thermique et son procédé de réalisation. | |
FR2793990A1 (fr) | Boitier electronique sur plaque et procede de fabrication d'un tel boitier | |
EP2684434B1 (fr) | Procédé d'interconnexion par retournement d'un composant électronique | |
FR3060942A1 (fr) | Procede de fabrication d'un ensemble comprenant une structure mecanique et un composant de puissance electrique pour un aeronef | |
EP3932152A1 (fr) | Carte électronique comprenant des composants dans des cavités et des plages de brasage partagées | |
FR2758908A1 (fr) | Boitier d'encapsulation hyperfrequences bas cout | |
EP1192593A1 (fr) | Dispositif et procede de fabrication de dispositifs comprenant au moins une puce montee sur un support | |
FR2551618A1 (fr) | Procede de fabrication d'un circuit imprime a couches enterrees et circuit imprime obtenu par un tel procede | |
EP1210690B1 (fr) | Dispositif electronique comportant au moins une puce fixee sur un support et procede de fabrication d'un tel dispositif | |
EP0494126B1 (fr) | Procédé pour la fabrication d'une carte à mémoire et carte à mémoire ainsi obtenue | |
FR2789505A1 (fr) | Procede de fabrication de support de memorisation portable de type carte a puce |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CA US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1996902303 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2212943 Country of ref document: CA Ref country code: CA Ref document number: 2212943 Kind code of ref document: A Format of ref document f/p: F |
|
WWE | Wipo information: entry into national phase |
Ref document number: 08894233 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1996902303 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1996902303 Country of ref document: EP |