WO2002013263A1 - Dispositif dissipateur de chaleur pour composants electroniques - Google Patents
Dispositif dissipateur de chaleur pour composants electroniques Download PDFInfo
- Publication number
- WO2002013263A1 WO2002013263A1 PCT/FR2000/002250 FR0002250W WO0213263A1 WO 2002013263 A1 WO2002013263 A1 WO 2002013263A1 FR 0002250 W FR0002250 W FR 0002250W WO 0213263 A1 WO0213263 A1 WO 0213263A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plates
- plate
- assembled
- electronic components
- thickness
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H01L23/3672—Foil-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
Definitions
- the invention relates in particular to the technical sector of integrated power circuits.
- This function is most often provided by metal parts generally in the form of copper plates (aluminum or others), in the thickness of which, and formed a non-opening cavity of parallelepiped shape and square rim.
- the mechanical stamping technique generates internal tensions in the metal linked to the process, causing metal instability with detrimental geometric variations.
- the tools are therefore complex and expensive.
- the same drawbacks are found in the case of chemical cutting, being aggravated by shapes which are not strictly defined.
- the object of the invention is to remedy these drawbacks in a simple, safe, effective and rational manner.
- the problem which the invention proposes to solve is to guarantee the absence of internal tension in the material, by eliminating the stamping operation with the aim of eliminating the rounding at the bottom of the cavity, improving the coplanarity and the parallelism of the faces of the part, without increasing costs.
- a heat sink device for electronic components comprising:
- One of the plates has, in its thickness, a through opening defining, after assembly with the other plate, a cavity intended to receive the electronic component;
- the two plates are assembled by a thermally conductive means (such as welding, soldering or other assembly process without limitation of technology).
- the facing faces to be superimposed on the two plates can be subjected (without this option being necessary) to a pre-tinning operation.
- the two plates have the same general external geometric shape, in particular rectangular.
- the two plates can be produced from the same material or from different materials.
- FIG. 1 is a perspective view of a heat sink element, according to the prior art
- - Figure 2 is a perspective view before mounting of the elements of the heat sink device according to the invention
- FIG. 3 is a perspective view corresponding to Figure 2, after assembly of the elements;
- - Figure 4 is a cross-sectional view of the device before assembly of the elements, according to a preferred embodiment of the invention
- - Figure 5 is a sectional view corresponding to Figure 4 after assembly of the elements
- the heat sink device comprises two independent sub-assemblies in the form of metal plates (1 and 2) capable of being assembled in superposition.
- the plate (2) has, in its thickness, at least one through opening (2a), in the form of a window and delimiting, after assembly with the other plate (1), a cavity intended to receive the electronic component (not represented).
- the two parts (1) and (2) can be assembled by brazing, by tinning, by different types of soldering or by gluing or theimically conductive adhesive.
- the facing faces (la and 2b) are pre-tinned in order to assemble the plates (1 and 2) by superposition and rolling during a transition to supercooling temperature in a heating chamber. Let (E) be this pre-tinning.
- the two plates (1 and 2) have the same general external geometric shape.
- the plates (1 and 2) have complementary positioning arrangements.
- the plate (2) has positioning arrangements in the form of pins (2c) capable of cooperating with complementary arrangements in the form of non-through holes (1b) that the other plate (1) has.
- the two generally metallic plates (1 and 2) can be produced, in order to optimize the costs and achieve the best thermal performance. , either in two identical materials, or in different materials.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR2000/002250 WO2002013263A1 (fr) | 2000-08-04 | 2000-08-04 | Dispositif dissipateur de chaleur pour composants electroniques |
AU2000268504A AU2000268504A1 (en) | 2000-08-04 | 2000-08-04 | Heat dissipating device for electronic components |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR2000/002250 WO2002013263A1 (fr) | 2000-08-04 | 2000-08-04 | Dispositif dissipateur de chaleur pour composants electroniques |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002013263A1 true WO2002013263A1 (fr) | 2002-02-14 |
Family
ID=8847304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2000/002250 WO2002013263A1 (fr) | 2000-08-04 | 2000-08-04 | Dispositif dissipateur de chaleur pour composants electroniques |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2000268504A1 (fr) |
WO (1) | WO2002013263A1 (fr) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3678995A (en) * | 1970-06-22 | 1972-07-25 | Rca Corp | Support for electrical components and method of making the same |
EP0292725A2 (fr) * | 1987-04-28 | 1988-11-30 | Sumitomo Electric Industries Limited | Construction d'un boîtier pour dispositif à circuit intégré |
JPH02265265A (ja) * | 1989-04-05 | 1990-10-30 | Fujitsu Ltd | 集積回路装置 |
JPH02266557A (ja) * | 1989-04-06 | 1990-10-31 | Mitsubishi Electric Corp | 半導体装置 |
EP0573167A1 (fr) * | 1992-06-05 | 1993-12-08 | Eaton Corporation | Système de montage de refroidissement pour dispositifs semi-conducteurs |
EP0865082A1 (fr) * | 1995-11-28 | 1998-09-16 | Hitachi, Ltd. | Dispositif a semi-conducteur, procede de production de ce dispositif, et substrat encapsule |
-
2000
- 2000-08-04 WO PCT/FR2000/002250 patent/WO2002013263A1/fr active Application Filing
- 2000-08-04 AU AU2000268504A patent/AU2000268504A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3678995A (en) * | 1970-06-22 | 1972-07-25 | Rca Corp | Support for electrical components and method of making the same |
EP0292725A2 (fr) * | 1987-04-28 | 1988-11-30 | Sumitomo Electric Industries Limited | Construction d'un boîtier pour dispositif à circuit intégré |
JPH02265265A (ja) * | 1989-04-05 | 1990-10-30 | Fujitsu Ltd | 集積回路装置 |
JPH02266557A (ja) * | 1989-04-06 | 1990-10-31 | Mitsubishi Electric Corp | 半導体装置 |
EP0573167A1 (fr) * | 1992-06-05 | 1993-12-08 | Eaton Corporation | Système de montage de refroidissement pour dispositifs semi-conducteurs |
EP0865082A1 (fr) * | 1995-11-28 | 1998-09-16 | Hitachi, Ltd. | Dispositif a semi-conducteur, procede de production de ce dispositif, et substrat encapsule |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 015, no. 018 (E - 1023) 16 January 1991 (1991-01-16) * |
Also Published As
Publication number | Publication date |
---|---|
AU2000268504A1 (en) | 2002-02-18 |
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