CN103851940A - Heat pipe and method for manufacturing same - Google Patents
Heat pipe and method for manufacturing same Download PDFInfo
- Publication number
- CN103851940A CN103851940A CN201210510719.0A CN201210510719A CN103851940A CN 103851940 A CN103851940 A CN 103851940A CN 201210510719 A CN201210510719 A CN 201210510719A CN 103851940 A CN103851940 A CN 103851940A
- Authority
- CN
- China
- Prior art keywords
- condensation segment
- evaporator section
- capillary structure
- metal level
- internal diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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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
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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
- F28D15/0266—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 separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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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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- 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
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49353—Heat pipe device making
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a method for manufacturing a heat pipe. The method comprises the following steps of providing a pipe body, wherein the inner wall of the pipe body is provided with a capillary structure, a cavity is formed in the pipe body and the pipe body comprises an evaporation section and a condensation section; separating the evaporation section and the condensation section from each other; vacuumizing, injecting liquid and sealing the pipe body; drilling at least one through hole in the evaporation section and the condensation section of the pipe body respectively; providing at least one metal pipe connected in series to the corresponding at least one through hole of the evaporation section and the condensation section, so that at least one steam passage is formed.
Description
Technical field
The present invention relates to a kind of heat pipe and manufacture method thereof.
Background technology
Present stage, heat pipe has been widely used in the heat radiation of the electronic building brick of the larger caloric value of tool.When this heat pipe work, its principle is to utilize the inner low boiling working fluid of filling of body carburation by evaporation after the heat of its evaporator section absorption heating electronic package generation, then move to condensation segment with heat through steam channel, and condense thermal release is gone out in condensation segment liquefaction, working fluid after this liquefaction is back to evaporator section under the effect of heat pipe wall portion capillary structure again, by the shuttling movement of this working fluid, reach heat and transmit effect, thereby the heat that electronic building brick is produced is passed to rapidly the radiator contacting with the condensation segment of heat pipe and then distributes.
In conventional heat pipe, steam channel and capillary structure are in contact with one another, and steam forward flow in steam channel, and working fluid reverse flow in capillary structure, both influence each other, and produce shear stress at the interface place of steam channel and capillary structure, affect the heat transfer property of heat pipe.
Summary of the invention
In view of this, be necessary to provide in fact a kind of heat pipe and manufacture method thereof that improves adopting heat pipes for heat transfer performance.
A kind of heat pipe, comprise the body of a hollow and sealing two ends, the inwall of this body is with capillary structure, in this body, be provided with a cavity, in this cavity, be provided with working fluid, this body comprises evaporator section and condensation segment, this evaporator section and condensation segment are isolated from each other, this capillary structure extends to condensation segment and forms a liquid working fluid passage along inboard wall of tube body from evaporator section, this evaporator section and condensation segment are respectively provided with at least one through hole, and this at least one through hole is connected in series by the metal tube of at least one hollow, thereby forms at least one steam channel.
A kind of manufacturing method of thermotube, comprises the following steps: a body is provided, and the inwall of this body is provided with capillary structure, is formed with a cavity in this body, and this body comprises an evaporator section and a condensation segment; Isolate this evaporator section and this condensation segment, and only make this capillary structure extend to condensation segment one along inboard wall of tube body from evaporator section to form a liquid working fluid passage; Evaporator section and condensation segment to body vacuumizes respectively, fluid injection, sealing processing; Respectively at the evaporator section of this body with condensation segment is each beats at least one through hole; Provide at least one metal tube to be serially connected on this evaporator section and at least one through hole corresponding to condensation segment, so form at least one steam channel.
The present invention respectively offers through hole by the evaporator section at this heat pipe and condensation segment, and the metal tube by hollow is also isolated with a metal level corresponding through hole phase Chuan Jie ﹐ by the cavity of this evaporator section and condensation segment, so, the working fluid of this evaporator section is subject to the steam channel that forms by this metal tube of steam that thermal evaporation produces to flow to this cold solidifying section of ﹐ after this condensation segment is caught a cold, slowly to condense into again work and make stream body ﹐ and be finally back to this steaming section of sending out ﹐ by the capillary structure of this inboard wall of tube body again and so form one-way circulation, while avoiding the two relative flowing of steam and working fluid, produce shear stress, thereby improve the heat transfer property of this heat pipe.
Brief description of the drawings
Fig. 1 is the structural representation of the heat pipe of first embodiment of the invention.
Fig. 2 provides the schematic diagram of an inwall with the body of capillary structure in the manufacture method of the heat pipe shown in Fig. 1.
Metal tube is inserted the schematic diagram after body by Fig. 3.
The body inserting after metal tube is carried out the schematic diagram after the local draw by Fig. 4 and Fig. 5.
Fig. 6 is by the body two ends welded seal of Fig. 5 and flattens, and on the sidewall at body two ends, plays the schematic diagram of two pairs of through holes.
Fig. 7 will connect respectively the schematic diagram of these two pairs of through holes with two metal thin tubes on the body of Fig. 6.
Fig. 8 is the structural representation of the heat pipe of second embodiment of the invention.
Main element symbol description
| |
1 |
| |
10、20 |
| |
11、21 |
| |
12、22 |
| |
13、40 |
| |
131、41 |
| |
132、42 |
| |
14、23 |
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15、24 |
| |
16、30 |
| |
161 |
| Right- |
162 |
| Through |
17、25 |
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18、60 |
| Steam |
181、61 |
| |
50 |
Following detailed description of the invention further illustrates the present invention in connection with above-mentioned accompanying drawing.
Detailed description of the invention
As shown in Figure 1, the heat pipe 1 providing for a preferred embodiment of the present invention.Heat pipe 1 comprises the body 10 of a hollow.Body 10 sealing two ends, and its inwall is with capillary structure 11.In body 10, be provided with a cavity 12, in cavity 12, be provided with working fluid.Body 10 is along its central shaft symmetry.There is a draw portion 13 at body 10 middle part along its length, body 10 left and right sides are separated into evaporator section 14 and condensation segment 15 by draw portion 13, and the length of evaporator section 14 is little compared with the length of condensation segment 15, the internal diameter of evaporator section 14 and external diameter equate respectively with internal diameter and the external diameter of condensation segment 15.Draw portion 13 has a middle part 131 and is positioned at the both ends 132 of 131 left and right sides, middle part, external diameter and the internal diameter at middle part 131 are constant, and be less than respectively internal diameter and the external diameter of evaporator section 14, the external diameter at both ends 132 and internal diameter are all along increasing progressively gradually away from the direction at middle part 131, until equate with internal diameter with the external diameter of evaporator section 14 respectively.In body 10, be also provided with a metal level 16 in the inwall of draw portion 13 and evaporator section 14, metal level 16 is about the central shaft symmetry of body 10.Metal level 16 has one to condensation segment 15 convergents until the left end 161 and a right-hand member 162 being connected with the right side of left end 161 of sealing.In the present embodiment, the left end 161 of metal level 16 is the coniform of hollow, capillary structure 11 in the end 132 on the right side of left end 161 and draw portion 13 right sides is close to, the right-hand member 162 of metal level 16 is close to the capillary structure 11 in evaporator section 14, thereby metal level 16 is by left and right two parts isolation of the cavity of body 10 12, and capillary structure 11 extends to condensation segment 15 and forms a liquid working fluid passage from evaporator section 14 along the inwall of body 10.Evaporator section 14 and the condensation segment 15 of body 10 are respectively provided with two through hole 17, and these four through holes 17 are connected in series by the metal tube 18 of two hollows, and the evaporator section 14 of body 10 and condensation segment 15 are connected in series by two metal tubes 18, thereby form two steam channels 181.
Understandably, the present invention also can isolate the cavity of the evaporator section of heat pipe 1 14 and condensation segment 15 by another way, and the structure of not limiting to metal level 16 in the present embodiment realizes its object.
Introduce in detail the manufacture method of heat pipe 1 below in conjunction with Fig. 2 to Fig. 7.
Refer to Fig. 2, the body 20 of a both ends open is provided, the inwall of body 20 is with capillary structure 21, and formation one cavity 22 in it.In the present embodiment, body 20 is by the good metal material of heat conductivility, and as copper etc. is made, its cross section is circular, and it has a central shaft.Capillary structure 21 can adopt directly in the inner surface of body 20 and plough groove type capillary structure that some tiny axial grooves form is set, adopt the screen type capillary structure that metal copper mesh or fibre bundle braiding form or can select ceramic powders or metal dust forms sintered type capillary structure as copper powder etc. via sintering process.
Refer to Fig. 3, insert and locate the metal level 30 of an annular in the cavity 22 of body 20, metal level 30 is close to mutually with the capillary structure 21 in body 20.Metal level 30 near the end on the Qie Yugai right side, end on body 20 right sides separately.In the present embodiment, the length of metal level 30 is 20-60mm, and by the good metal material of toughness, as copper or aluminium are made.
Refer to Fig. 4 and Fig. 5, metal level 30 places of body 20 are carried out to the local draw, thereby obtain draw portion 40.Particularly, provide a compression tool 50, compression tool 50 is the left end to metal level 30 just.By the left end of metal level 30 along body 20 radially near the extruding of this central axis direction, be conical until the left side of metal level 30 is curling.Now, because metal level 30 has plasticity and stress, be therefore tightly attached on the capillary structure 21 of body 20 inwalls.In the present embodiment, body 20 left and right sides are separated into evaporator section 23 and condensation segment 24 by draw portion 40, and the length of evaporator section 23 is little compared with the length of condensation segment 24.Draw portion 40 has a middle part 41 and is positioned at the both ends 42 at 41 two ends, left and right, middle part, external diameter and the internal diameter at middle part 41 are constant, and be all less than internal diameter and the external diameter of evaporator section 23, the external diameter at both ends 42 and internal diameter are all along increasing progressively gradually away from the direction at middle part 41, until suitable with the diameter of evaporator section 23 or condensation segment 24.Because the left side of metal level 30 is the taper shape of hollow, thus metal level 30 by left and right two parts isolation of the cavity of body 20 22, capillary structure 21 extends to condensation segment 24 along body 20 inwalls from evaporator section 23 and forms a liquid working fluid passage.The length of metal level 30 in condensation segment 24 is 10mm.
Two ends to body 20 vacuumize, fluid injection, sealing processing, and body 20 is flattened to processing.
Refer to Fig. 6, make a call to two pairs of through holes 25 at evaporator section 23 and condensation segment 24 two ends respectively.
Refer to Fig. 7, the metal tube 60 of two hollows is provided, this two metal tube 60 is serially connected on the through hole 25 of corresponding evaporator section 23 and condensation segment 24, thereby form two steam channels 61.So, heat pipe 1 completes.
Refer to Fig. 8, the quantity of through hole 25 is four pairs, and four strip metal pipes 60 are serially connected on the through hole 25 of corresponding evaporator section 23 and condensation segment 24, has so formed four steam channels 61.The quantity of this through hole 25 and metal tube 60 does not limit.
Technology contents of the present invention and technical characterstic disclose as above, but those skilled in the art still may be based on teaching of the present invention and announcements and made all replacement and modifications that does not deviate from spirit of the present invention.Therefore, protection scope of the present invention should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present invention and modifications, and is contained by appended claim.
Claims (10)
1. a heat pipe, comprise the body of a hollow and sealing two ends, the inwall of this body is with capillary structure, in this body, be provided with a cavity, in this cavity, be provided with working fluid, it is characterized in that: this body comprises evaporator section and condensation segment, this evaporator section and condensation segment are isolated from each other, this capillary structure extends to condensation segment and forms a liquid working fluid passage along inboard wall of tube body from evaporator section, this evaporator section and condensation segment are respectively provided with at least one through hole, and this at least one through hole is connected in series by the metal tube of at least one hollow, thereby forms at least one steam channel.
2. heat pipe as claimed in claim 1, it is characterized in that: in the body of this evaporator section and condensation segment junction, be also provided with one by the metal level of this evaporator section and condensation segment isolation, this metal level has to this condensation segment convergent until the left end sealing and the right-hand member being connected with this left end, the left end of this metal level and right-hand member all with this body in capillary structure laminating.
3. heat pipe as claimed in claim 2, is characterized in that: this body is the draw portion between evaporator section and condensation segment in the setting position place of this metal level formation one, and the internal diameter of this draw portion and external diameter are less than respectively internal diameter and the external diameter of this body.
4. heat pipe as claimed in claim 3, it is characterized in that: this draw portion has a middle part and is positioned at two ends at these two ends, left and right, middle part, the external diameter at this middle part and internal diameter are constant and be less than respectively internal diameter and the external diameter of this body, and the external diameter at these both ends all increases progressively until equate with internal diameter with the external diameter of this body respectively along the direction away from this middle part gradually with internal diameter.
5. heat pipe as claimed in claim 1, is characterized in that: the length of this evaporator section is little compared with the length of this condensation segment.
6. a manufacturing method of thermotube, comprises the following steps:
One body is provided, and the inwall of this body is provided with capillary structure, is formed with a cavity in this body, and this body comprises an evaporator section and a condensation segment;
Isolate this evaporator section and this condensation segment, and only make this capillary structure extend to condensation segment one along inboard wall of tube body from evaporator section to form a liquid working fluid passage;
Evaporator section and condensation segment to body vacuumizes respectively, fluid injection, sealing processing;
Respectively at the evaporator section of this body with condensation segment is each beats at least one through hole;
Provide at least one metal tube to be serially connected on this evaporator section and at least one through hole corresponding to condensation segment, so form at least one steam channel.
7. manufacturing method of thermotube as claimed in claim 6, is characterized in that: the step of " isolating this evaporator section and this condensation segment " is further comprising the steps:
The metal level of inserting and locating an annular between the evaporator section of this body and condensation segment, is close to this metal level and the capillary structure in this body mutually;
The local draw is carried out in metal level place extruding to this body, thereby obtain draw portion, the internal diameter of this draw portion and external diameter are less than respectively internal diameter and the external diameter of this body, make one end of the contiguous condensation segment of this metal level to this condensation segment convergent until sealing, the contiguous other end of evaporator section of this metal level and the capillary structure of this evaporator section are close to, thereby are made this metal level by the evaporator section cavity of this body and the isolation of condensation segment cavity.
8. manufacturing method of thermotube as claimed in claim 7, is characterized in that: this body is made up of the metal material of heat conduction.
9. manufacturing method of thermotube as claimed in claim 7, is characterized in that: this capillary structure employing directly arranges in the inner surface of this body plough groove type capillary structure, employing metal copper mesh or the screen type capillary structure of fibre bundle braiding formation or the sintered type capillary structure that adopts ceramic powders, metal dust to form via sintering process that some tiny axial grooves form.
10. manufacturing method of thermotube as claimed in claim 7, it is characterized in that: this draw portion has a middle part and is positioned at the both ends at these two ends, left and right, middle part, the external diameter at this middle part and internal diameter are constant and be less than respectively internal diameter and the external diameter of this body, the external diameter at these both ends and internal diameter all increase progressively gradually along the direction away from this middle part, until equate with internal diameter with the external diameter of this body respectively.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510719.0A CN103851940B (en) | 2012-12-04 | 2012-12-04 | Heat pipe and method for manufacturing same |
| TW101147056A TWI586929B (en) | 2012-12-04 | 2012-12-12 | Heat pipe and method of manufacturing the same |
| US13/730,623 US20140150995A1 (en) | 2012-12-04 | 2012-12-28 | Heat pipe and method for manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510719.0A CN103851940B (en) | 2012-12-04 | 2012-12-04 | Heat pipe and method for manufacturing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103851940A true CN103851940A (en) | 2014-06-11 |
| CN103851940B CN103851940B (en) | 2017-05-10 |
Family
ID=50824283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210510719.0A Expired - Fee Related CN103851940B (en) | 2012-12-04 | 2012-12-04 | Heat pipe and method for manufacturing same |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20140150995A1 (en) |
| CN (1) | CN103851940B (en) |
| TW (1) | TWI586929B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636337A (en) * | 2020-12-15 | 2022-06-17 | 全亿大科技（佛山）有限公司 | Heat pipe, and manufacturing method and device of heat pipe |
| TWI781679B (en) * | 2021-07-07 | 2022-10-21 | 邁萪科技股份有限公司 | Thermal conductivity structure with liquid-gas splitting mechanism |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11026343B1 (en) | 2013-06-20 | 2021-06-01 | Flextronics Ap, Llc | Thermodynamic heat exchanger |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3741289A (en) * | 1970-07-06 | 1973-06-26 | R Moore | Heat transfer apparatus with immiscible fluids |
| JPS5989997A (en) * | 1982-11-11 | 1984-05-24 | Mitsubishi Electric Corp | Heat pipe and manufacture thereof |
| DK1432295T3 (en) * | 2002-12-20 | 2005-08-08 | Innowert Gmbh | Cooling device for an electrical and / or electronic device |
| CN1995895A (en) * | 2006-01-05 | 2007-07-11 | 捷飞有限公司 | Loop type heat exchanger |
| US20070175614A1 (en) * | 2006-01-30 | 2007-08-02 | Jaffe Limited | Loop heat exchange apparatus |
| CN100573019C (en) * | 2006-03-03 | 2009-12-23 | 富准精密工业(深圳)有限公司 | Heat pipe |
| US7748436B1 (en) * | 2006-05-03 | 2010-07-06 | Advanced Cooling Technologies, Inc | Evaporator for capillary loop |
| CN101093151B (en) * | 2006-06-21 | 2010-04-14 | 富准精密工业(深圳)有限公司 | Heat pipe |
| US20090308576A1 (en) * | 2008-06-17 | 2009-12-17 | Wang Cheng-Tu | Heat pipe with a dual capillary structure and manufacturing method thereof |
| CN101762194B (en) * | 2008-12-24 | 2012-09-19 | 富准精密工业(深圳)有限公司 | Evaporator and loop type heat pipe applying same |
| CN101813429B (en) * | 2009-02-20 | 2013-01-23 | 富瑞精密组件（昆山）有限公司 | Manufacturing method of heat pipe |
| TWI366656B (en) * | 2009-06-05 | 2012-06-21 | Young Green Energy Co | Loop heat pipe and manufacturing method thereof |
| CN102141351B (en) * | 2011-04-24 | 2012-08-08 | 广州大学 | Heat pipe |
-
2012
- 2012-12-04 CN CN201210510719.0A patent/CN103851940B/en not_active Expired - Fee Related
- 2012-12-12 TW TW101147056A patent/TWI586929B/en not_active IP Right Cessation
- 2012-12-28 US US13/730,623 patent/US20140150995A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636337A (en) * | 2020-12-15 | 2022-06-17 | 全亿大科技（佛山）有限公司 | Heat pipe, and manufacturing method and device of heat pipe |
| TWI781679B (en) * | 2021-07-07 | 2022-10-21 | 邁萪科技股份有限公司 | Thermal conductivity structure with liquid-gas splitting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201423021A (en) | 2014-06-16 |
| CN103851940B (en) | 2017-05-10 |
| US20140150995A1 (en) | 2014-06-05 |
| TWI586929B (en) | 2017-06-11 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20181204 |