CN101839660A - Flat heat tube with hole-groove combined mandrel and manufacturing method thereof - Google Patents
Flat heat tube with hole-groove combined mandrel and manufacturing method thereof Download PDFInfo
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- CN101839660A CN101839660A CN201010140841A CN201010140841A CN101839660A CN 101839660 A CN101839660 A CN 101839660A CN 201010140841 A CN201010140841 A CN 201010140841A CN 201010140841 A CN201010140841 A CN 201010140841A CN 101839660 A CN101839660 A CN 101839660A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0233—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
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- 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
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20336—Heat pipes, e.g. wicks or capillary pumps
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- Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a flat heat tube with a hole-groove combined mandrel and a manufacturing method thereof. The flat heat tube comprises a heat tube shell and a porous capillary layer, wherein the shell is formed by flattening a circular tube; the circular tube has a 6 to 10 mm outer diameter and a 0.20 to 0.45 mm thickness; uniformly distributed axial micro-grooves are machined on the inner wall surface of the circular tube; the porous capillary layer is formed by attaching metal powder to the wall surfaces of the micro-grooves of the shell for sintering, and is 0.30 to 0.70 mm thick; and axial micro-cracks are distributed on the porous capillary layer. The flat heat tube with the hole-groove combined mandrel of the invention remarkably improves combination strength between a sintering layer and the wall surface, and can simultaneously have the relatively higher capillary force of a sintered heat tube and the relatively higher permeability of a grooved heat tube; and particularly, due to the axial micro-cracks on the surface of the sintered porous capillary layer, additional vapor channels are provided, the area of a gas-liquid interface is increased, the evaporation of a working substance is facilitated and the heat transfer performance of the flat heat tube is remarkably improved.
Description
Technical field
The present invention relates to a kind of heat pipe, relate in particular to a kind of flat heat tube with hole-groove combined mandrel and manufacture method thereof.
Background technology
Along with microelectronic chip heat flow density sharply increases and the appearance of new feature such as the efficiently radiates heat space is narrow and small day by day and new phenomenon, traditional utilization increases the method that the efficiently radiates heat area dispels the heat can not satisfy radiating requirements, and has high thermal conductivity, the good ideal element that isothermal, thermal response are fast, simple in structure, small-sized/micro heat pipe that need not advantages such as additional power driving becomes the heat conduction of high heat flux chip.Be filled with at inside heat pipe that boiling point is lower, the liquid of easy volatilization (as water).Its operation principle is: under the vacuum state, when one section of heat pipe was heated, the liquid in the heat pipe internal channel evaporated rapidly, and steam flows to the other end under small pressure differential, and after discharging heat, regelation becomes liquid; Liquid relends the effect that helps capillary force and refluxes.So circulation is more than, and heat reaches the other end by heat pipe one end.In order to improve the heat-sinking capability of heat pipe, people with the copper powder sintering at the heat pipe inwall, with the effectiveness of further raising heat pipe heat radiation.
Yet the heat pipe of this structure is because its inwall is smooth, and copper powder particle only has a copper powder particle to contact with inwall with the contact point of heat pipe inwall less.And in the heat pipe application process, because the restriction in space often need crimp onto certain thickness to heat pipe to reduce the general thickness of electronic product.Flat hot pipe after the flattening processing is prone to the fault of construction of sintering bisque and tube wall disengaging; And heat pipe flattens steam channel acutely reduced, and is unfavorable for the working medium circulation, will influence the Heat Transfer of Heat Pipe on Heat Pipe performance greatly.Paper " of the influence of conduit heat pipe flattening degree " (Tao Hanzhong to conducting heat, Zhang Hong, Zhuan Jun. Beijing University of Chemical Technology's journal (natural science edition), 2007,34 (1)) find the conduit heat pipe being flattened the back: be after the conduit heat pipe of 6mm flattens into the 2mm flat hot pipe with diameter, limit transmitted power reduces to original 1/4.With diameter is that the Column shaped heat pipe of 6mm flattens respectively to 3.5,3 and during 2.5mm, and thermal resistance is basicly stable about 0.08 ℃/W, but when flattening to 2mm, thermal resistance obviously increases.Diameter is the Column shaped heat pipe of 6mm when flattening into the 3.5mm flat hot pipe, and evaporation heat transfer coefficient increases, but flattens to 2mm from 3.5mm, and evaporation heat transfer coefficient sharply descends.
Summary of the invention
Primary and foremost purpose of the present invention is to overcome existing heat pipe and flattens the defective that its inwall of processing back is difficult for adhering to copper powder, a kind of like this heat pipe is provided, its inwall and the copper powder particle contact point is many, contact area is big, not only be easy to adhere to copper powder, and difficult drop-off behind the adhesion copper powder, provide flat hot pipe with extra steam channel simultaneously, improve the permeability of sintered pipes, improve the working medium circulation, improve heat transfer property.
The present invention's second purpose is to provide the manufacture method of above-mentioned flat heat tube with hole-groove combined mandrel.
In order to realize primary and foremost purpose, the technical solution used in the present invention is:
A kind of flat heat tube with hole-groove combined mandrel, comprise thermotube shell and loose structure capillary layer, described housing is 6-10mm by external diameter, thickness is 0.20-0.45mm, the pipe flattening that inner wall surface thereof is processed with the axial little groove of even distribution forms, axial little gash depth is 0.25-0.35mm, and width is 0.15-0.25mm; Described porous capillary layer is attached to the little groove wall of housing sintering by metal dust and forms, and thickness is 0.30-0.70mm, and the porous capillary layer is distributed with axial fine fisssure groove, makes the porosity of porous capillary layer can reach 55%-65%; Described metal dust is a copper powder; Particle diameter is 80～150 orders; Flat heat tube with hole-groove combined mandrel closed at both ends, inside vacuumize and perfusion fluid working medium; Described case material is copper, aluminium or stainless steel.
For further realizing the object of the invention, the preferred red copper of the material of described housing.
Described liquid working substance is preferably pure water.
The present invention's second purpose is achieved through the following technical solutions:
The manufacture method of flat heat tube with hole-groove combined mandrel may further comprise the steps:
(1) preparation is with the metal circular tube of little groove: being with little trench metal pipe external diameter is 6-10mm, wall thickness 0.20-0.45mm, the inwall axial little groove that evenly distributes, and this little gash depth is 0.25-0.35mm, width is 0.18-0.25mm;
(2) insert the thickness of plug with control copper powder layer, insert copper powder, the difference of metal circular tube inside radius and plug 3 radiuses is the copper powder layer thickness, and copper powder size is at 80 order to 150 orders; Fill in metal circular tube behind the copper powder and plug together at 930-980 ℃ of following sintering 2-4h, behind the sintering, the copper pipe cool to room temperature is taken out, take out plug;
(3) pour into hydraulic fluid in the past metal circular tube, vacuumize and the closed tube two ends, obtain having the round heat pipe of hole-groove combined core;
(4) gained circle heat pipe is flattened, in the flattening process axially groove open and tear sintering bisque weak location, obtain to have the flat hot pipe of the hole-groove combined core that splits cavity feature.
4, the manufacture method of flat heat tube with hole-groove combined mandrel according to claim 4 is characterized in that: described step (1) also comprises the inner wall oxide layer that cleans and remove metal circular tube.
Compare with art methods, the present invention has the following advantages:
(1) flat heat tube with hole-groove combined mandrel of the present invention adopt the band internal channel copper pipe as thermotube shell, significantly improve the bond strength of sinter layer and wall, can prevent effectively that heat pipe is being prepared into bisque that the flat hot pipe process the causes phenomenon that drops.
(2) flat heat tube with hole-groove combined mandrel of the present invention has possessed the higher capillary force of sintered heat pipe and the higher permeability of channel heat pipe simultaneously, is beneficial to the raising properties of hot pipe.
(3) the axial fine fisssure groove on the sintered porous capillary layer of flat heat tube with hole-groove combined mandrel of the present invention surface provides additional steam channel, has increased the gas-liquid interface area, promotes the evaporation of working medium, can significantly improve the flat hot pipe performance.
Description of drawings
The cross sectional representation of Fig. 1 flat heat tube with hole-groove combined mandrel of the present invention;
Fig. 2 is the A-A section SEM figure of Fig. 1.
Fig. 3 the present invention utilizes plug to carry out the structural representation of powder layer thickness control;
The sintered type flat hot pipe cross sectional representation of the existing smooth inner wall of Fig. 4;
Fig. 5 the present invention flattens the schematic diagram of forming process.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, 2, a kind of flat heat tube with hole-groove combined mandrel comprises housing 1 and porous capillary layer 2.Described housing 1 is 6-10mm by external diameter, and thickness is 0.20-0.45mm, and the pipe flattening that inner wall surface thereof is processed with the axial little groove 11 of even distribution forms, and this little groove is square, and the degree of depth is 0.25-0.35mm, and width is 0.15-0.25mm; Described porous capillary layer 2 is attached to housing 1 little groove wall sintering by metal dust and forms, and thickness is 0.30-0.70mm, and porous capillary layer 2 is distributed with axial fine fisssure groove 21, makes the porosity of porous capillary layer 2 can reach 55%-65%; Flat heat tube with hole-groove combined mandrel closed at both ends, inside vacuumize and perfusion fluid working medium.The material of housing 1 is a red copper; The metal dust of porous capillary layer 2 is a copper powder; Particle diameter is at 80 order to 150 orders.Fine fisssure groove 21 width are greater than 0.15mm, and the degree of depth is greater than the valid fine fisssure groove of 0.20mm.
When preparing above-mentioned flat heat tube with hole-groove combined mandrel, at first little groove 11 round copper pipe 1a are with in preparation; Being with little groove 11 round copper pipe 1a external diameters is 6-10mm, wall thickness 0.20-0.45mm, inwall 45-70 the axial little groove that evenly distributes, and this little gash depth is 0.25-0.35mm, width is 0.18-0.25mm; Clean and also to remove round copper pipe 1a inner wall oxide layer,, also will be beneficial to combining of sintering process copper powder and wall to guarantee that copper powder contacts with the good of internal face.Insert the thickness of plug with control copper powder layer then, insert copper powder, the difference of copper pipe 1a inside radius and plug 3 radiuses is the copper powder layer thickness.Copper powder size is at 80 order to 150 orders.Vibration copper pipe and plug 3 have certain porosity to guarantee the copper powder layer, as shown in Figure 3.Copper pipe behind the populated copper powder and plug carry out high temperature sintering 2-4h together under 930-980 ℃.Behind the sintering, the copper pipe cool to room temperature is taken out, take out plug 3, vacuumize, pour into working medium again, and seal the two ends of pipe, obtain having the round heat pipe of hole-groove combined core.
The round heat pipe that is obtained is flattened, can obtain to have the flat hot pipe of hole-groove combined core, and formed equally distributed axial fine fisssure groove at the contact interface of sintering bisque and vapor chamber.Shown in Fig. 2,5, because the copper pipe as thermotube shell has axial internal channel, the sintering bisque is covered in 1.5-2.5 that flute surfaces and thickness is about gash depth doubly, cause round copper pipe 1a like this in the flattening process, the upper and lower surface of round copper pipe 1a is by in the circular-arc process that is shown laid flat in flat state, the inner little groove of round copper pipe 1a tube wall opens gradually, the weak location that the peripheral force that produces is torn the sintering bisque gradually, and because the axial little groove 11 of housing 1 internal face is axial arranged, therefore formed fine fisssure groove is axial fine fisssure groove 21.But occur bisque in the powder process unavoidably porosity is inhomogeneous everywhere owing to fill out, adhesion is inconsistent throughout in sintering process to cause copper powder, therefore the axial fine fisssure groove 21 that is produced may be for axially discontinuous or fine fisssure groove number is not exclusively identical with axial little groove 11 numbers, should be slightly less than number of channels, as shown in Figure 2.The quantity of axial little groove 11 and the degree of flattening have determined the quantity of axial fine fisssure groove 21, the quantity that increases axial little groove 11 increases the quantity that the flattening degree can improve axial fine fisssure groove 21, but improve the width and the degree of depth that groove number certainly will reduce each axial little groove 11, therefore change the quantity of axial little groove 11 can qualitative Control Shaft to quantity, width and the degree of depth of fine fisssure groove 21.
The flat hot pipe that the present invention proposes with hole-groove combined core, for existing smooth inner wall sintered type flat hot pipe (as shown in Figure 4), possessed the higher capillary force of sintered heat pipe and the higher permeability of channel heat pipe simultaneously, be beneficial to the raising properties of hot pipe, simultaneously because little trench features of housing 1 internal face, improved the bonded area of copper powder layer and wall significantly, can solve the heat pipe problem that copper powder drops easily in carrying out the flattening process, especially be the axial fine fisssure groove of the formation on its surface, additional steam channel is provided, increase the gas-liquid interface area, promoted the evaporation of working medium, improved the permeability of imbibition core.After measured, the permeability with flat hot pipe of hole-groove combined core of the present invention can reach (200-400) * 10
-10m
2, the maximum lifting height of 100 ℃ of water can reach 500-600mm.Particularly reaching 3mm when following when flattening thickness, the vapor chamber space compression ratio of heat pipe is relatively large, and axial fine fisssure groove 21 effects that form this moment are more obvious, can significantly improve the flat hot pipe performance.
Embodiment 1:
As shown in Figure 1, 2, a kind of flat heat tube with hole-groove combined mandrel, comprise that heat pipe comprises housing 1 and porous capillary layer 2, described thermotube shell is 6mm by diameter, length is that the round copper pipe of 200mm flattens to 3mm and forms, and its closed at both ends, inside vacuumize and be perfused with the pure water of 0.54ml as working media.Equally distributed 55 the axial little grooves 11 of inner walls face, groove depth is 0.28mm, average groove width is 0.175mm; Described porous capillary layer 2 adopts the copper powder sintering to be attached to housing 1 inner wall trench wall, by capillary layer and vapor chamber interface is benchmark, and arriving channel bottom is the bisque maximum ga(u)ge, and maximum ga(u)ge is 0.70mm, arriving the groove top is minimum thickness, and minimum thickness is 0.42mm.After process was flattened processing, capillary sinter layer 2 surfaces formed uneven distributions, axial discontinuous axial fine fisssure groove 21, and fine fisssure groove quantity is about 35 roads, splits the groove triangularity, the about 0.20mm of top groove width, and groove depth is about 0.24mm.
Prepare above-mentioned flat heat tube with hole-groove combined mandrel and need pass through following steps:
(1) selecting external diameter for use is that 6mm, wall thickness are the internal channel copper pipe 1a of 0.20mm, the number of teeth 55, and axial little groove 11a is a rectangle groove, groove depth is 0.28mm, groove width 0.175mm; Select for use 100 order copper powders as sintering capillary layer 2 materials.
(2) select for use external diameter be the stainless steel bar of 4.20mm as filling out powder plug 3, the bisque maximum ga(u)ge is 0.70mm, minimum thickness is 0.42mm.Maximum ga(u)ge occurs in the groove position, and minimum thickness occurs in the profile of tooth tip position, also will be the weak location of sintering capillary layer 2, as shown in Figure 3.
(3) copper pipe of populated copper powder and plug are kept 3h down at 950 ℃ together, treat that bisque sinters into to take out behind the piece to be cooled to room temperature, take plug 3 away, pour into working medium again, vacuumize operation, obtain to have the round heat pipe of hole-groove combined core.
(4) gained circle heat pipe is flattened to thickness 3mm, the axial groove 11a of rectangle opens and is trapezoid cross section groove 11 in the flattening process, and the weak location of tearing sintering capillary layer 2, the weak location cracking becomes axial fine fisssure groove 21, acquisition has the flat hot pipe of the hole-groove combined core that splits cavity feature, as shown in Figure 5.
Present embodiment has the flat hot pipe of hole-groove combined core, for existing smooth inner wall sintered type flat hot pipe (Fig. 4), possessed the higher capillary force of sintered heat pipe and the higher permeability of channel heat pipe simultaneously, be beneficial to and improve the adopting heat pipes for heat transfer performance, solved the heat pipe problem that copper powder drops easily in carrying out the flattening process simultaneously, especially be the axial fine fisssure groove of the formation on its surface, additional steam channel is provided, increased the gas-liquid interface area, promote the evaporation of working medium, after testing, light pipe sintering flattening heat pipe for identical parameters is compared, this Heat Transfer of Heat Pipe on Heat Pipe power limit has improved 1.8-2 doubly, and thermal resistance has reduced 25%-35%, improves the Heat Transfer of Heat Pipe on Heat Pipe performance greatly.
Claims (5)
1. flat heat tube with hole-groove combined mandrel, it is characterized in that: comprise thermotube shell and loose structure capillary layer, described housing is 6-10mm by external diameter, thickness is 0.20-0.45mm, the pipe flattening that inner wall surface thereof is processed with the axial little groove of even distribution forms, axial little gash depth is 0.25-0.35mm, and width is 0.15-0.25mm; Described porous capillary layer is attached to the little groove wall of housing sintering by metal dust and forms, and thickness is 0.30-0.70mm, and the porous capillary layer is distributed with axial fine fisssure groove, makes the porosity of porous capillary layer can reach 55%-65%; Described metal dust is a copper powder; Particle diameter is 80～150 orders; Flat heat tube with hole-groove combined mandrel closed at both ends, inside vacuumize and perfusion fluid working medium; Described case material is copper, aluminium or stainless steel.
2. flat heat tube with hole-groove combined mandrel according to claim 1 is characterized in that: the material of described housing is a red copper.
3. flat heat tube with hole-groove combined mandrel according to claim 1 is characterized in that: described liquid working substance is a pure water.
4. the manufacture method of the described flat heat tube with hole-groove combined mandrel of claim 1 is characterized in that may further comprise the steps:
(1) preparation is with the metal circular tube of little groove: being with little trench metal pipe external diameter is 6-10mm, wall thickness 0.20-0.45mm, the inwall axial little groove that evenly distributes, and this little gash depth is 0.25-0.35mm, width is 0.18-0.25mm;
(2) insert the thickness of plug with control copper powder layer, insert copper powder, the difference of metal circular tube inside radius and plug 3 radiuses is the copper powder layer thickness, and copper powder size is at 80 order to 150 orders; Fill in metal circular tube behind the copper powder and plug together at 930-980 ℃ of following sintering 2-4h, behind the sintering, the copper pipe cool to room temperature is taken out, take out plug;
(3) pour into hydraulic fluid in the past metal circular tube, vacuumize and the closed tube two ends, obtain having the round heat pipe of hole-groove combined core;
(4) gained circle heat pipe is flattened, in the flattening process axially groove open and tear sintering bisque weak location, obtain to have the flat hot pipe of the hole-groove combined core that splits cavity feature.
5. the manufacture method of flat heat tube with hole-groove combined mandrel according to claim 4 is characterized in that: described step (1) also comprises the inner wall oxide layer that cleans and remove metal circular tube.
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| CN102476184A (en) * | 2010-11-19 | 2012-05-30 | 元磁新型材料(苏州)有限公司 | Copper powder as well as manufacture method, manufacture device and heat radiation element thereof |
| CN102636060A (en) * | 2012-04-28 | 2012-08-15 | 昆山长运电子工业有限公司 | Thin heat pipe with spiral heat radiation channel |
| CN102778156A (en) * | 2011-05-11 | 2012-11-14 | 奇鋐科技股份有限公司 | Thin heat tube structure and manufacturing method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2777754Y (en) * | 2005-01-26 | 2006-05-03 | 奇宏电子(深圳)有限公司 | Sintered heat pipe |
| CN1832156A (en) * | 2005-03-09 | 2006-09-13 | 台达电子工业股份有限公司 | Structure of heat sink and manufacturing method |
| US20060207750A1 (en) * | 2005-03-18 | 2006-09-21 | Foxconn Technology Co., Ltd. | Heat pipe with composite capillary wick structure |
| US20060283574A1 (en) * | 2005-06-15 | 2006-12-21 | Top Way Thermal Management Co., Ltd. | Thermoduct |
| JP2007056302A (en) * | 2005-08-24 | 2007-03-08 | Fujikura Ltd | Method for producing sintered wick layer of heat pipe |
| CN201104145Y (en) * | 2007-09-14 | 2008-08-20 | 泰硕电子股份有限公司 | Cooling tube |
| CN101566440A (en) * | 2008-04-23 | 2009-10-28 | 中山伟强科技有限公司 | Sintered soaking plate and manufacturing method thereof |
-
2010
- 2010-03-31 CN CN2010101408414A patent/CN101839660B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2777754Y (en) * | 2005-01-26 | 2006-05-03 | 奇宏电子(深圳)有限公司 | Sintered heat pipe |
| CN1832156A (en) * | 2005-03-09 | 2006-09-13 | 台达电子工业股份有限公司 | Structure of heat sink and manufacturing method |
| US20060207750A1 (en) * | 2005-03-18 | 2006-09-21 | Foxconn Technology Co., Ltd. | Heat pipe with composite capillary wick structure |
| US20060283574A1 (en) * | 2005-06-15 | 2006-12-21 | Top Way Thermal Management Co., Ltd. | Thermoduct |
| JP2007056302A (en) * | 2005-08-24 | 2007-03-08 | Fujikura Ltd | Method for producing sintered wick layer of heat pipe |
| CN201104145Y (en) * | 2007-09-14 | 2008-08-20 | 泰硕电子股份有限公司 | Cooling tube |
| CN101566440A (en) * | 2008-04-23 | 2009-10-28 | 中山伟强科技有限公司 | Sintered soaking plate and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 《华南理工大学学报》 20070331 李勇 等 铜热管内壁微沟槽的高速充液旋压加工 第1-5页 1-5 第35卷, 第3期 2 * |
Cited By (18)
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| CN102778156A (en) * | 2011-05-11 | 2012-11-14 | 奇鋐科技股份有限公司 | Thin heat tube structure and manufacturing method thereof |
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| CN103123234A (en) * | 2011-11-18 | 2013-05-29 | 奇鋐科技股份有限公司 | Thin heat pipe structure and forming method thereof |
| US9476652B2 (en) | 2012-01-04 | 2016-10-25 | Asia Vital Components Co., Ltd. | Thin heat pipe structure having enlarged condensing section |
| CN102636060A (en) * | 2012-04-28 | 2012-08-15 | 昆山长运电子工业有限公司 | Thin heat pipe with spiral heat radiation channel |
| CN103269571A (en) * | 2013-04-25 | 2013-08-28 | 上海卫星工程研究所 | Quick response energy storing heat dissipation plate |
| CN103244338A (en) * | 2013-04-28 | 2013-08-14 | 陈银轩 | Condensing unit for clean water recovery device |
| CN103245202A (en) * | 2013-04-28 | 2013-08-14 | 陈银轩 | Cooling device for clean water recovery device |
| CN104457353A (en) * | 2013-09-24 | 2015-03-25 | 奇鋐科技股份有限公司 | Heat pipe structure and manufacturing method thereof |
| WO2015085569A1 (en) * | 2013-12-13 | 2015-06-18 | 华为终端有限公司 | Heat radiation structure and electronic device having the heat radiation structure |
| CN105091648A (en) * | 2015-08-31 | 2015-11-25 | 华南理工大学 | Groove and microstructure composite liquid absorption core and manufacturing method thereof |
| CN106767071A (en) * | 2017-01-23 | 2017-05-31 | 中车大连机车研究所有限公司 | A kind of fine and soft shape wing fiber composite plough groove type abnormity heat pipe and preparation method thereof |
| CN110044194A (en) * | 2019-04-29 | 2019-07-23 | 深圳市尚翼实业有限公司 | It is a kind of to reduce the heat pipe that heat transfer hinders |
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