NO170958B - PROCEDURE FOR PREPARING A REFRIGERATOR AND TOOL FOR IMPLEMENTING THE PROCEDURE - Google Patents
PROCEDURE FOR PREPARING A REFRIGERATOR AND TOOL FOR IMPLEMENTING THE PROCEDURE Download PDFInfo
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- NO170958B NO170958B NO861948A NO861948A NO170958B NO 170958 B NO170958 B NO 170958B NO 861948 A NO861948 A NO 861948A NO 861948 A NO861948 A NO 861948A NO 170958 B NO170958 B NO 170958B
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- Prior art keywords
- base plate
- stated
- grooves
- cooling
- ribs
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- 238000000034 method Methods 0.000 title claims description 20
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000004065 semiconductor Substances 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 235000013405 beer Nutrition 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
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
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K25/00—Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4871—Bases, plates or heatsinks
- H01L21/4882—Assembly of heatsink parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/10—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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Glass Compositions (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Bipolar Transistors (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Foreliggende oppfinnelse gjelder en fremgangsmåte for fremstilling av kjølelegeme for halvlederkomponenter og særlig ved strengekstrudering av lettmetall, samt utstyrt med kjøleribber som har langstrakt tverrsnitt og rager ut fra en grunnplate idet grunnplaten ekstruderes med hovedspor hvori det settes inn separat fremstilte kjøleribber. The present invention relates to a method for the production of heat sinks for semiconductor components and in particular by string extrusion of light metal, as well as equipped with heat sinks which have an elongated cross-section and protrude from a base plate as the base plate is extruded with main grooves into which separately produced heat sinks are inserted.
En fremgangsmåte av denne art er prinsipielt kjent, hovedsakelig fra DE-A-2.502.472 og til dels også fra JP-A-57 196 552, DE-U-84 29 523 og US-A-2.984.774; og innebærer at kjøleribbene presses inn i og kaldsveises i hovedsporene. Det må da utøves store mekaniske krefter mot kjølelegemet, hvilket gjør at sådanne kjølelegemer i praksis bare kan fremstilles i meget begrensede lengder. A method of this kind is known in principle, mainly from DE-A-2,502,472 and partly also from JP-A-57 196 552, DE-U-84 29 523 and US-A-2,984,774; and means that the heat sinks are pressed into and cold welded into the main grooves. Large mechanical forces must then be exerted against the heat sink, which means that such heat sinks can in practice only be produced in very limited lengths.
Kjølelegemer av denne utførelse har vanligvis et ribbeforhold på ca. 5,5:1, og høyst 8:1.. Ved tallrike anvendelser er imidlertid dette ribbeforhold ikke tilstrekkelig, men utvikling av et høyere ribbeforhold hindres av at det ved de hittil vanlige fremstillingsprosesser, særlig ved strengekstrudering, ikke har vært mulig å fremstille kjølelegemer av sådan art. Heat sinks of this design usually have a rib ratio of approx. 5.5:1, and at most 8:1.. In numerous applications, however, this rib ratio is not sufficient, but the development of a higher rib ratio is hindered by the fact that it has not been possible to produce heat sinks with the hitherto usual manufacturing processes, particularly with string extrusion of such nature.
På bakgrunn av denne kjente teknikk er det da et formål for oppfinnelsen å komme frem til en fremgangsmåte for fremstilling av et kjølelegeme av innledningsvis angitt art. og således at det oppnås et høyt ribbeforhold og et såkalt høyeffektskjøleiegeme av hvilken som helst lengde kan fremstilles. Med ribbeforholdet forstås da forholdet mellom ribbehøyden og minste lysvidde mellom ribbene ved ribbespissene. On the basis of this known technique, it is then an object of the invention to come up with a method for producing a cooling body of the kind indicated at the outset. and so that a high rib ratio is achieved and a so-called high-efficiency cooling body of any length can be produced. The rib ratio is then understood to mean the ratio between the rib height and the minimum clearance between the ribs at the rib tips.
Dette formål oppnås i henhold til oppfinnelsen ved at det sammen med hovedsporene utformes formribber som flankerer hovedsporene og skiller disse fra påførte mellomspor, idet disse formribber etter innføring av kjøleribbene i hovedsporene deformeres plastisk på sådan måte at kjøleribbene klemmes fast i hovedsporene. This purpose is achieved according to the invention by forming molding ribs that flank the main grooves and separate them from applied intermediate grooves, as these molding ribs are plastically deformed after the introduction of the heat sinks in the main grooves in such a way that the heat sinks are clamped firmly in the main grooves.
På denne måte er det mulig enten å feste de enkelte kjøleribber hver for seg på vedkommende kjølelegeme eller alle kjøleribber samtidig. Ved sammenføyning av de forskjellige deler, som kan foreligge i vilkårlig lengde, kreves det ikke høye mekaniske trykk, og ribbene kan faktisk legges inn i hovedsporene med klaring og uten vanskelighet forskyves i sporenes lengderetning. In this way, it is possible to either attach the individual heat sinks separately to the relevant heat sink or all heat sinks at the same time. When joining the different parts, which can be of any length, high mechanical pressures are not required, and the ribs can actually be inserted into the main grooves with clearance and easily displaced in the longitudinal direction of the grooves.
Ved den angitt kombinasjon av grunnplate og ribber kan det ved hjelp av et fåtall verktøy fremstilles tallrike kjølelegemer av forskjellig utforming. Dette fører til nedsatte omkostninger såvel med hensyn til verktøy som lagerholdning. With the specified combination of base plate and ribs, numerous heat sinks of different designs can be produced with the help of a few tools. This leads to reduced costs both with regard to tools and stock holding.
I henhold til et ytterligere særtrekk ved oppfinnelsen kan grunnplaten være forsynt med ytre ribbevegger, som lett kan frembringes ved strengekstrudering. Mellom og parallelt med disse ribbevegger forløper så de påmonterte kjøleribber. Ved en annen utførelsesform er de enkeltvis innførte kjøleribber i kjølelegemets tverrsnitt anordnet vekselvis med andre kjøleribber som er utformet i et stykke med grunnplaten. En sådan utførelsesform av kjølelegemet muliggjør anvendelse såvel ved tvangsmessig luftkjøling som ved konveksjonskjøling, da det ved tvangskjøling prinsippielt tilstrebes størst mulig kjøleoverflate ved nedsatt ribbeavstand, mens en sådan utførelse neppe er virksom ved konvensjonskjøling på grunn av den lavere lufthastighet og derved mengdestrøm (produkt av hastighet og kanaltverrsnitt), i alle fall ikke ved langstrakte kjølelegemer. Denne alternative anvendelsesmulighet øker ytterligere ved at f.eks. de påførte kjøleribber kan være forsynt med i og for seg kjente tverr-ribber, som ved en forholdsvis bred strømningskanai fører til betraktelig overflateøkning. Det vil således forstås at et sådant kjølelegeme ikke bare er egnet for tvangsmessig luftkjøling, men også for konveksjonskjøling. According to a further distinctive feature of the invention, the base plate can be provided with outer rib walls, which can easily be produced by string extrusion. Between and parallel to these ribbed walls, the attached cooling fins run. In another embodiment, the individually introduced cooling fins in the heat sink's cross-section are arranged alternately with other cooling fins which are formed in one piece with the base plate. Such an embodiment of the heatsink enables use both for forced air cooling and for convection cooling, as with forced cooling the largest possible cooling surface is in principle sought with a reduced rib distance, while such an embodiment is unlikely to be effective for conventional cooling due to the lower air velocity and thereby mass flow (product of velocity and channel cross-section), at least not with elongated heat sinks. This alternative possibility of application increases further by e.g. the applied cooling fins can be provided with per se known transverse fins, which in the case of a relatively wide flow channel lead to a considerable increase in surface area. It will thus be understood that such a cooling body is not only suitable for forced air cooling, but also for convection cooling.
Hovedsporene har fortrinnsvis omtrent rektangulært tverrsnitt mens mellomsporene har hovedsakelig trekanformet tverrsnitt. The main tracks preferably have an approximately rectangular cross-section, while the intermediate tracks have a predominantly triangular cross-section.
Likeledes er hovedsporets dybde fortrinnsvis større enn spordybden for mellomsporet, og det sistnevnte spor bidrar da til å lette deformeringen av grunnplaten. Hoved- og mellomsporet danner mellom seg en formribbe på grunnplaten, som ved innføring av et deformerende verktøy i mellomsporet kan skyves inn i hovedsporets åpningstverrsnitt. Forut for denne plastiske deformering av vedkommende ribbe på grunnplaten innsettes imidlertid holdesokkelen på en fortrinnsvis spesielt fremstilt kjøleribbe i hovedsporet, idet denne sokkel på sidene er forsynt med gripemidler, f.eks. parallelle rifler som danner en sagtannprofil og hvori en del av den deformerte grunnplatematrise griper inn med holdevirkning. Det oppstår således innledningsvis en meget fast foreløpig forbindelse mellom grunnplaten på den ene side og vedkommende kjøleribbe på den annen side. Likewise, the depth of the main groove is preferably greater than the groove depth of the intermediate groove, and the latter groove then helps to ease the deformation of the base plate. Between them, the main and intermediate track form a shaped rib on the base plate, which can be pushed into the opening cross-section of the main track when a deforming tool is inserted into the intermediate track. Prior to this plastic deformation of the relevant rib on the base plate, however, the holding plinth is inserted on a preferably specially produced cooling rib in the main groove, this plinth being provided on the sides with gripping means, e.g. parallel riffles that form a sawtooth profile and in which part of the deformed base plate matrix engages with a holding effect. There is thus initially a very firm preliminary connection between the base plate on the one hand and the heatsink in question on the other hand.
Ved et rent aluminiums-kjølelegeme vil ved tilsvarende grunnplatetykkelse som regel varmefordelingen i selve platen være tilstrekkelig. Da imidlertid ribbeoverflaten ved samme høyde av kjølelegeme reduseres med tiltagende grunnplatetykkelse, kan det imidlertid være påkrevet å forbedre varmefordelingen i selve grunnplaten. Dette oppnås i henhold til oppfinnelsen ved at grunnplaten er forsynt med minst et bånd, en tråd eller lignende innlegg eller overtrekk av godt varmeledende material, fortrinnsvis et kobberbånd eller en kobbertråd. Også her opptrer imidlertid fordelen ved oppdelt fremstilling av grunnplaten, da denne uten problemer kan fremstilles ved samlet ekstrudering av aluminiumslegeme samt overtrekk eller innlegg av kobber, og til og med med innbyrdes metallisk binding mellom de to profilkomponenter. De beskrevne utførelsesformer av kjølelegemer i henhold til oppfinnelsen gjør det mulig å oppnå et ribbeforhold på mer enne 9:1, og til og med mer enn 12:1, hvilket ikke er mulig ved fremstilling av kjølelegemer i et eneste stykke. In the case of a pure aluminum heatsink, the heat distribution in the plate itself will usually be sufficient with a corresponding base plate thickness. However, since the rib surface at the same height of the heat sink is reduced with increasing base plate thickness, it may be required to improve the heat distribution in the base plate itself. This is achieved according to the invention by the fact that the base plate is provided with at least one band, one wire or similar insert or covering of good heat-conducting material, preferably a copper band or a copper wire. Here too, however, the advantage of divided production of the base plate appears, as this can be produced without problems by combined extrusion of the aluminum body as well as covers or inserts of copper, and even with mutual metallic bonding between the two profile components. The described embodiments of heat sinks according to the invention make it possible to achieve a rib ratio of more than 9:1, and even more than 12:1, which is not possible when manufacturing heat sinks in a single piece.
I denne sammenheng henvises ytterligere til DE-OS 3.024.748, hvor det foreslås å forbedre ribbeforholdet for kjøleribbene på et kjølelegeme fremstilt i et stykke, ved hjelp av klemmelignende profilinnsatser. In this context, further reference is made to DE-OS 3,024,748, where it is proposed to improve the rib ratio for the heat sinks on a heat sink produced in one piece, by means of clamp-like profile inserts.
Den plastiske deformering av kjøleribbene kan ganske enkelt finne sted ved innføring av meisler i mellomsporene, hvilket imidlertid medfører forholdsvis høye arbeidsomkostninger. For denne deformeringsprosess anvendes derfor i henhold til oppfinnelsen fortrinnsvis et rullende verktøy i mellomsporene. The plastic deformation of the cooling fins can simply take place by inserting chisels into the intermediate grooves, which, however, entails relatively high labor costs. For this deformation process, therefore, according to the invention, a rolling tool is preferably used in the intermediate grooves.
Oppfinnelsen omfatter derfor også et slikt verktøy, hvis særtrekk i henhold til oppfinnelsen ligger i at det er utstyrt med trykkskiver som holdes i innbyrdes avstand ved hjelp av mellomlegg og har radialt avsmalende trykkanter, hvis største bredde (u) er større enn bredden (s) av mellomsporene, og hvor den fri radiale lengdeutstrekning av hver trykkskive er større enn den fri høyde (h) av'kjøleribbene. The invention therefore also includes such a tool, whose distinctive feature according to the invention is that it is equipped with pressure discs that are kept at a distance from each other by means of spacers and have radially tapering pressure edges, whose greatest width (u) is greater than the width (s) of the intermediate grooves, and where the free radial longitudinal extent of each thrust disc is greater than the free height (h) of the cooling fins.
Takket være dette verktøy kan deformeringsprosessen automati-seres, og utover dette kan rullelegemet i henhold til oppfinnelsen innstilles på den ønskede fordeling av mellomribbene. Thanks to this tool, the deformation process can be automated, and in addition to this, the rolling body according to the invention can be adjusted to the desired distribution of the intermediate ribs.
Det vil forstås at fremstilling av kjølelegemer med høyt ribbeforhold nå kan utføres på enkel måte og uten risiko for verktøybrudd. It will be understood that the production of heat sinks with a high rib ratio can now be carried out in a simple way and without the risk of tool breakage.
Ytterligere fordeler, særtrekk og enkelheter ved foreliggende oppfinnelsesgjenstand vil fremgå av den etterfølgende be-skrivelse av foretrukkede utførelseseksempler under henvisning til de vedføyde tegninger, hvorpå: Fig. 1.viser et snitt gjennom en del av et skråstilt kjølelegeme. Further advantages, distinctive features and simplicities of the present object of invention will be apparent from the subsequent description of preferred embodiments with reference to the attached drawings, on which: Fig. 1 shows a section through part of an inclined cooling body.
Fig. 2 viser et delsnitt gjennom et kjølelegeme. Fig. 2 shows a partial section through a cooling body.
Fig. 3 viser et forstørret utsnitt av fig. 2. Fig. 3 shows an enlarged section of fig. 2.
Fig. 4 er en skisse i skjematisk tverrsnitt for forklaring av Fig. 4 is a sketch in schematic cross-section for explanation of
en fremgangsmåte for fremstilling av de viste kjøle-legemer i fig. 1 og 2. a method for producing the cooling bodies shown in fig. 1 and 2.
Fig. 5 viser et forstørret utsnitt av fig. 4. Fig. 5 shows an enlarged section of fig. 4.
Fig. 6 viser et tverrsnitt gjennom en annen utførelse av Fig. 6 shows a cross-section through another embodiment of
kj ølelegemet. kj beer body.
Fig. 7 viser et forstørret utsnitt fra fig. 6 innenfor det Fig. 7 shows an enlarged section from fig. 6 within it
viste område VII. showed area VII.
Fig. 8 et tverrsnitt gjennom en ytterligere utførelsesform av Fig. 8 a cross-section through a further embodiment of
kj ølelegemet. kj beer body.
Fig. 9-11 viser tverrsnitt gjennom forskjellige utførelses Fig. 9-11 shows cross-sections through different designs
former av en del av'kjølelegemet. shapes of part of the heat sink.
Et kjølelegeme 10 med kamlignende tverrsnitt og utført i lettmetall for påføring av halvlederelementer som av oversikts-grunner ikke er vist på tegningen, oppviser i henhold til fig. 1 en grunnplate 11 av tykkelse f.eks. 15 mm og med utragende kjølelegemer 20 fra sin overflate 12. Ribbenes frie lengde, nemlig den viste avstand h fra vedkommende overflate 12 av grunnplaten 11 til de avrundede fri ribbekanter 21, utgjør i foreliggende utførelseseksempel ca. 56 mm mens den midlere avstand e mellom ribbene er ca. 7 mm. According to fig. 1 a base plate 11 of thickness e.g. 15 mm and with heat sinks 20 projecting from its surface 12. The free length of the ribs, namely the shown distance h from the relevant surface 12 of the base plate 11 to the rounded free rib edges 21, in the present design example amounts to approx. 56 mm, while the average distance e between the ribs is approx. 7 mm.
Særlig av fig. 2 vil det tydelig fremgå at grunnplaten 11 er fremstilt adskilt fra vedkommende kjøleribber 20, samt også liksom disse sistnevnte ved hjelp av strengekstrudering av lettmetallprofiler. I grunnplaten 11 er det utifrå dens overflate 12 utformet hovedspor 14 med en dybde a på ca. 5 mm og en bredde b på omkring halvparten av dybden a. Especially of fig. 2, it will be clearly seen that the base plate 11 is produced separately from the cooling fins 20 in question, as well as the latter by means of string extrusion of light metal profiles. In the base plate 11, from its surface 12, main grooves 14 are formed with a depth a of approx. 5 mm and a width b of about half the depth a.
I det gjenværende overfiateparti mellom hvert par av nabospor 14 er det i grunnplaten 11 utformet et såkalt mellomspor 15 med trekantformet tverrsnitt og hvis dybde f er mindre enn dybden av hovedsporene 14. In the remaining overlap between each pair of neighboring tracks 14, a so-called intermediate track 15 with a triangular cross-section and whose depth f is less than the depth of the main tracks 14 is formed in the base plate 11.
Ved den ytterkant som ligger motsatt den fri endekant. 21 av den skiveformede kjøleribbe 20 er det videre utformet en holdesokkel 22, hvis bredde m omtrent tilsvarer bredden b av hovedsporene 14 samt er større enn bredden n av den egentlige kjøleribbe 20. Høyden q av sokkelen 22 er lik eller noe større enn dybden a av vedkommende hovedspor 14. I sideflatene 23 av sokkelen 22 er det antydet sokkelrifler 24 for dannelse av gripetenner 25 som rager ut sideveis. At the outer edge opposite the free end edge. 21 of the disk-shaped heatsink 20, a holding base 22 is further designed, whose width m roughly corresponds to the width b of the main grooves 14 and is greater than the width n of the actual heatsink 20. The height q of the base 22 is equal to or somewhat greater than the depth a of the relevant main track 14. In the side surfaces 23 of the base 22, there are indicated base riffles 24 for the formation of gripping teeth 25 which protrude laterally.
Etter ekstrudering av grunnplaten 11 fra en Al/Mg/Si-legering påføres kjøleribber 20 med sine sokkler 22 innsatt i hovedsporene 14, hvor ribbene festes ved plastisk deformering av sporveggene 16. Ved denne deformering bringes fremspringende materialpartier 17 fra sporveggen 16 mot sporaksen A for inngrep i sokkelriflene 24 på den innførte kjøleribbe 20 i sporet slik det fremfor alt tydelig vil fremgå i fig. 5. Etter denne innklemning varmeherdes det således dannede kjølelegeme 10. After extrusion of the base plate 11 from an Al/Mg/Si alloy, cooling ribs 20 are applied with their sockets 22 inserted in the main grooves 14, where the ribs are attached by plastic deformation of the groove walls 16. During this deformation, projecting material parts 17 are brought from the groove wall 16 towards the groove axis A for engagement of the socket riffles 24 on the introduced cooling fin 20 in the groove as will above all be clearly seen in fig. 5. After this clamping, the cooling body 10 formed in this way is heat hardened.
Innklemningsprosessen utføres ved hjelp av mellomsporene 15, hvor det for dette formål enten kan innføres meiselspisser 28 eller avsmalende trykk-kanter 29 av skive 3 0 på et rullelegeme 31. The clamping process is carried out by means of the intermediate grooves 15, where for this purpose either chisel points 28 or tapering pressure edges 29 of disk 30 can be introduced on a roller body 31.
I henhold til fig. 4 er et sådant rullelegeme 31, som er anordnet dreibart om en ikke vist akse, sammensatt av nevnte skive 3 0 samt avstandsinnlegg 3 2 som opprettholder en avstand t mellom skivene, og endeplater 33, som med sine skrå sidekanter 34 føres langs grunnplaten 11. According to fig. 4 is such a roller body 31, which is arranged to be rotatable about an axis not shown, composed of said disc 30 and spacers 32 which maintain a distance t between the discs, and end plates 33, which with their slanted side edges 34 are guided along the base plate 11.
Da den største bredde u av den jevnt avskrånede meiselspiss 28 eller trykk-kant 29 er større enn bredden s av mellomsporet 15 eller kantvinkelen w av klemverktøyene 28, 29 er større enn mellomsporets åpningsvinkel, vil de formribber 19 som dannes mellom hvert hovedspor og de inntilliggende meliomspor 14 As the largest width u of the evenly beveled chisel tip 28 or pressure edge 29 is greater than the width s of the intermediate groove 15 or the edge angle w of the clamping tools 28, 29 is greater than the opening angle of the intermediate groove, the form ribs 19 that are formed between each main groove and the adjacent melioma track 14
(fig. 5) deformeres på ønsket måte. (fig. 5) is deformed in the desired way.
Ved det viste utførelseseksempel i fig. 6, 7 er det på grunnplaten lla på begge sider av kjølelegemets akse M anordnet en ribbevegg 3 6 som sideveis avgrenser grunnplaten lla og er utformet med nesefremspring 37 som peker i retning av aksen M og har en innbyrdes avstand d på ca. 5 mm. I dette tilfellet er det i hovedsporene 14 innført sokler 22 av kjøleribber 20a som smalner av i retnng av sin ytterste ribbekant 21 og i innbyrdes avstand d er forsynt med fremspringende tverrribber 38. Tverr-ribbene 38 på den ene side av kjøleribben 20a er høydeforskyvet i forhold til tverr-ribbene på den annen kjøleribbeside med den halve avstand d (altså d/2) , således at nesefremspringene og tverr-ribbene 38 langs en og samme rette horisontale referanselinje H peker i en og samme retning. På denne måte oppnås ved en forholdsvis bred strømningskanal en betraktelig • overflateøkning ved hjelp av nesefremspringene 37 og tverr-ribbene 38, således at dette utførelseseksempel er særlig egnet for så vel tvangsluftkjøling som for konveksjon. In the embodiment shown in fig. 6, 7, on the base plate lla on both sides of the heat sink's axis M, a rib wall 3 6 is arranged which laterally delimits the base plate lla and is designed with a nose projection 37 that points in the direction of the axis M and has a mutual distance d of approx. 5 mm. In this case, plinths 22 of heat sinks 20a are introduced in the main grooves 14 which taper in the direction of their outermost rib edge 21 and are provided with projecting transverse ribs 38 at a mutual distance d. The transverse ribs 38 on one side of the heat sink 20a are shifted in height in relative to the transverse ribs on the other heatsink side by half the distance d (i.e. d/2), so that the nose projections and transverse ribs 38 along one and the same straight horizontal reference line H point in one and the same direction. In this way, with a relatively wide flow channel, a considerable • increase in surface area is achieved by means of the nose projections 37 and the transverse ribs 38, so that this design example is particularly suitable for forced air cooling as well as for convection.
På grunnplaten llj-, i fig. 8 er det ved ekstrudering utformet flere kjøleribber 40 parallelt med hverandre i avstand g og ved siden av hvert sitt mellomspor 15. On the base plate llj-, in fig. 8, several heat sinks 40 are formed by extrusion parallel to each other at a distance g and next to each of the intermediate grooves 15.
To mellomspor 15 flankerer her da et felles hovedspor 14. Dette kjølelegeme 10^ oppviser et lavt ribbeforhold og kan i langstrakt utførelse med fordel anvendes for konveksjonskjøling. Ønskes,imidlertid en kort utførelse eller anvendelse ved tvangsluftkjøling, innklemmes separate kjøleribber 20a i hovedsporene 14. Here, two intermediate tracks 15 flank a common main track 14. This cooling body 10^ exhibits a low rib ratio and can be advantageously used for convection cooling in an elongated design. If, however, a short design or application with forced air cooling is desired, separate cooling fins 20a are clamped in the main grooves 14.
Da ved uforandret kjølelegemehøyde (i+h) ribbeoverflaten vil avta med tiltagende tykkelse av grunnplaten 11, er det i den viste grunnplate llc i fig. 9 innlagt et bånd 43 av kobber. As with an unchanged heat sink height (i+h) the rib surface will decrease with increasing thickness of the base plate 11, in the shown base plate llc in fig. 9 inlaid with a band 43 of copper.
Grunnplate 1IC i fig. 10 og II oppviser henholdsvis en rundtråd eller flat tråd 44 av kobber, som ved strengekstrudering i metallisk kombinasjon innleires i le ttraetallma trisen. Base plate 1IC in fig. 10 and II respectively show a round wire or flat wire 44 of copper, which, by strand extrusion in a metallic combination, is embedded in the light metal matrix.
Claims (12)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853518310 DE3518310A1 (en) | 1985-05-22 | 1985-05-22 | REFRIGERATOR BODY FOR SEMICONDUCTOR COMPONENTS AND METHOD FOR THE PRODUCTION THEREOF |
Publications (3)
Publication Number | Publication Date |
---|---|
NO861948L NO861948L (en) | 1986-11-24 |
NO170958B true NO170958B (en) | 1992-09-21 |
NO170958C NO170958C (en) | 1992-12-30 |
Family
ID=6271297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO861948A NO170958C (en) | 1985-05-22 | 1986-05-16 | PROCEDURE FOR PREPARING A REFRIGERATOR AND TOOL FOR IMPLEMENTING THE PROCEDURE |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0206980B1 (en) |
AT (1) | ATE53708T1 (en) |
DE (2) | DE3518310A1 (en) |
DK (1) | DK165272C (en) |
NO (1) | NO170958C (en) |
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GB2204181B (en) * | 1987-04-27 | 1990-03-21 | Thermalloy Inc | Heat sink apparatus and method of manufacture |
GB2229571B (en) * | 1988-11-14 | 1992-12-23 | Johnson Electric Ind Mfg | Varistor for an electric motor |
DE59106364D1 (en) | 1990-10-24 | 1995-10-05 | Alusuisse Lonza Services Ag | Heatsinks for semiconductor devices. |
DE4314663A1 (en) * | 1993-05-04 | 1994-11-10 | Alusuisse Lonza Services Ag | Heatsinks for semiconductor devices |
CA2211562C (en) * | 1993-10-06 | 2002-02-26 | R-Theta Inc. | De-warping apparatus for straightening a plate |
DE9319259U1 (en) * | 1993-12-15 | 1994-03-24 | Siemens AG, 80333 München | Heatsink |
DE9412460U1 (en) | 1994-08-02 | 1995-12-14 | Hoogovens Aluminium Profiltechnik Gmbh, 88267 Vogt | Cooling device for electrical or electronic components with a base plate and with cooling elements |
US5791406A (en) * | 1994-08-02 | 1998-08-11 | Hoogovens Aluminium Profiltechnik, Gmbh | Cooling device for electrical or electronic components having a base plate and cooling elements and method for manufacturing the same |
DE29602367U1 (en) * | 1995-03-24 | 1996-05-15 | Alusuisse-Lonza Services AG, Neuhausen am Rheinfall | Heat sink for semiconductor components or the like. |
US5819407A (en) * | 1995-04-19 | 1998-10-13 | Tousui, Ltd. | Method of joining together a pair of members each having a high thermal conductivity |
DE29507286U1 (en) * | 1995-05-04 | 1995-07-20 | Alusuisse Lonza Services Ag | Heat sink for semiconductor components or the like. equipment |
DE69616870T2 (en) * | 1995-05-16 | 2002-05-29 | Tousui Ltd | Method of joining two workpieces, each with high thermal conductivity |
AU1175297A (en) * | 1995-12-14 | 1997-07-03 | Ralf Niemeier | Metal section |
EP0868237B1 (en) * | 1995-12-14 | 2000-04-12 | Attlington Investments Limited | Method for the production of a metal section |
EP0956587A2 (en) | 1996-01-27 | 1999-11-17 | Manfred Diels | Method of manufacturing cooling devices made up of several metal shaped-section elements for mounting on semiconductor components, shaped-section elements for use in the manufacture of such cooling devices and cooling devices manufactured by the method |
DE59611356D1 (en) | 1996-01-31 | 2006-07-27 | Alcan Tech & Man Ag | Heatsink for semiconductor devices od. Like. |
DE29602212U1 (en) * | 1996-02-09 | 1996-05-02 | Alusuisse-Lonza Services AG, Neuhausen am Rheinfall | Heat sink for semiconductor components or the like. Facilities |
WO2000003574A2 (en) * | 1998-07-09 | 2000-01-20 | Glueck Joachim | Heat sink with transverse ribs |
DE19836314A1 (en) * | 1998-08-11 | 2000-02-24 | Joachim Bayer | Heatsink attachment for semiconductor components, with cooler profiles extruded from special aluminum alloy has a bent semicircular shape |
JP3431004B2 (en) * | 2000-01-14 | 2003-07-28 | 松下電器産業株式会社 | Heat sink and cooling device using the same |
JP4355412B2 (en) * | 1999-11-26 | 2009-11-04 | 昭和電工株式会社 | Heat sink and manufacturing method thereof |
DE10053240A1 (en) * | 2000-08-28 | 2002-04-04 | Alusuisse Tech & Man Ag | Heat sinks for semiconductor elements, processes for their production and molds therefor |
DE20016316U1 (en) * | 2000-09-19 | 2001-04-05 | Boston Cooltec Corp | Heatsinks for cooling electronic components in particular |
DE10056387B4 (en) * | 2000-11-14 | 2008-11-13 | Corus Aluminium Profiltechnik Gmbh | Cooling device and method for its production and apparatus for carrying out the method |
JP3529358B2 (en) * | 2001-02-07 | 2004-05-24 | 古河電気工業株式会社 | Finned heat sink |
DE10141988C1 (en) * | 2001-08-28 | 2003-01-09 | Manfred Diels | Modular heat sink manufacturing method uses transverse pressure for clamping projection of one extruded profile in channel of adjacent extruded profile by plastic deformation of Al wire |
DE10200019B4 (en) * | 2002-01-02 | 2006-07-06 | Alcan Technology & Management Ag | Heat sink for semiconductor devices, method for its production and tool for carrying out the method |
DE10229532B4 (en) * | 2002-07-01 | 2008-06-19 | Alcan Technology & Management Ag | Cooling device for semiconductor devices |
DE102005007041A1 (en) | 2005-02-15 | 2006-08-17 | Alcan Technology & Management Ag | Heat sink for semiconductor devices or the like. Facilities and method for its preparation |
CN100456914C (en) * | 2005-09-22 | 2009-01-28 | 黄崇贤 | Radiator module |
DE102006038980B4 (en) * | 2006-08-21 | 2009-02-19 | Alcan Technology & Management Ag | Heat sink for semiconductor devices and method for its production |
DE502007001066D1 (en) | 2006-11-22 | 2009-08-27 | Alcan Tech & Man Ag | Heat sink for semiconductor devices or the like heat sources and method for its production |
EP2027948A1 (en) | 2007-08-20 | 2009-02-25 | Alcan Technology & Management AG | Method for producing a flat section, in particular a cooling body for semiconductor elements or similar components, and section for same |
DE102007046684B3 (en) * | 2007-08-20 | 2009-02-26 | Alcan Technology & Management Ag | Metallic flat section i.e. cooling body, producing method for semiconductor device, involves crushing connecting regions of respective wall together after extrusion molding process and before application of cooling fin |
DE102008030110A1 (en) | 2008-04-22 | 2009-10-29 | Alcan Technology & Management Ag | Heat sink for semiconductor device, has fin sections integrated into single piece and connecting side plates with each other, and plate made up of carbon and graphite ram material and included in opening that is limited by side plates |
US20090321045A1 (en) * | 2008-06-30 | 2009-12-31 | Alcatel-Lucent Technologies Inc. | Monolithic structurally complex heat sink designs |
TWM360549U (en) * | 2009-02-10 | 2009-07-01 | Giga Byte Tech Co Ltd | Heat-dissipating device |
TWI348017B (en) * | 2009-02-10 | 2011-09-01 | Giga Byte Tech Co Ltd | Method of making a heat sink |
DE102009037259B4 (en) * | 2009-08-12 | 2012-04-19 | Semikron Elektronik Gmbh & Co. Kg | Arrangement with a cooling device and a power semiconductor module |
DE102011108221A1 (en) * | 2011-07-21 | 2013-01-24 | Hyco-Vakuumtechnik Gmbh | Electric motor for suction/pressure-pump of sterilizer utilized to e.g. sterilize surgical instrument, has cooling fins, where one of fins has projection extending to other fin and partially closing aperture of cool air channel |
CN103493196B (en) * | 2012-02-06 | 2016-07-06 | 华为技术有限公司 | There is the fin of stacking fin and the production method of this fin |
DE202013104990U1 (en) * | 2013-11-06 | 2015-02-09 | Akg Thermotechnik International Gmbh & Co. Kg | heatsink |
WO2016096042A1 (en) * | 2014-12-19 | 2016-06-23 | Arcelik Anonim Sirketi | Individual cooling fin and an electric motor having the same |
FR3036918B1 (en) * | 2015-05-29 | 2018-08-10 | Thales | ELECTRONIC CARD AND METHOD OF MANUFACTURING THE SAME |
EP3624184A1 (en) * | 2018-09-12 | 2020-03-18 | Siemens Aktiengesellschaft | Power module unit, method for producing a power module unit, power supply and frequency converter |
EP3872845A1 (en) | 2020-02-28 | 2021-09-01 | Siemens Aktiengesellschaft | Method for manufacturing a power module unit |
CN114378543B (en) * | 2022-02-15 | 2022-10-18 | 苏州市华盛源机电有限公司 | Production method of plug-in type radiating fin |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US2984774A (en) * | 1956-10-01 | 1961-05-16 | Motorola Inc | Transistor heat sink assembly |
DE2502472C2 (en) * | 1975-01-22 | 1982-09-02 | Siemens AG, 1000 Berlin und 8000 München | Heat sink for thyristors |
DE3024748C2 (en) * | 1980-06-30 | 1986-09-04 | Aluminium Walzwerke Singen Gmbh, 7700 Singen | Heat sinks for semiconductor components |
JPS57196552A (en) * | 1981-05-27 | 1982-12-02 | Nec Corp | Radiator |
DE8429523U1 (en) * | 1984-10-08 | 1984-11-29 | Nixdorf Computer Ag, 4790 Paderborn | Heat sinks for electronic components and / or devices |
-
1985
- 1985-05-22 DE DE19853518310 patent/DE3518310A1/en active Granted
-
1986
- 1986-04-25 EP EP86810187A patent/EP0206980B1/en not_active Expired - Lifetime
- 1986-04-25 DE DE8686810187T patent/DE3672028D1/en not_active Expired - Lifetime
- 1986-04-25 AT AT86810187T patent/ATE53708T1/en not_active IP Right Cessation
- 1986-05-16 NO NO861948A patent/NO170958C/en not_active IP Right Cessation
- 1986-05-21 DK DK235786A patent/DK165272C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0206980A2 (en) | 1986-12-30 |
DE3672028D1 (en) | 1990-07-19 |
DE3518310A1 (en) | 1986-11-27 |
NO170958C (en) | 1992-12-30 |
DK165272B (en) | 1992-10-26 |
ATE53708T1 (en) | 1990-06-15 |
DE3518310C2 (en) | 1989-05-11 |
DK235786D0 (en) | 1986-05-21 |
DK235786A (en) | 1986-11-23 |
NO861948L (en) | 1986-11-24 |
DK165272C (en) | 1993-03-15 |
EP0206980A3 (en) | 1988-08-10 |
EP0206980B1 (en) | 1990-06-13 |
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