CN101767270A - Sealing structure of soaking plate and manufacturing method - Google Patents
Sealing structure of soaking plate and manufacturing method Download PDFInfo
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- CN101767270A CN101767270A CN 201010104129 CN201010104129A CN101767270A CN 101767270 A CN101767270 A CN 101767270A CN 201010104129 CN201010104129 CN 201010104129 CN 201010104129 A CN201010104129 A CN 201010104129A CN 101767270 A CN101767270 A CN 101767270A
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- soaking plate
- liquid injection
- injection port
- sealing
- metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/1208—Containers or coating used therefor
- B22F3/1258—Container manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to a manufacturing method of a soaking plate, which comprises the following processing steps: preparing raw materials, filling powder and sintering, prepressing, filling into a supporting structure, compressing, sealing, injecting liquid and vacuum treating. A sealing structure of the soaking plate comprises a half-finished product of the soaking plate, a liquid injecting port and a supporting structure, wherein the half-finished product of the soaking plate is provided with a vacuum chamber; the liquid injecting port is positioned at one side of the soaking plate; the supporting structure is arranged in the vacuum chamber and used for supporting the outline of the half-finished product of the soaking plate; the liquid injecting port is an sealing port integrally-formed by pressing and sealing the side of the soaking plate; after sealing, a liquid injecting tube needs not to be welded, but the liquid injecting port is reserved; and after liquid injection, vacuum treating and sealing are carried out. The soaking plate produced by the steps does not need a thin metal tube, can be unified in a vacuum box for carrying out the subsequent sealing processes, and avoids the unfavorable condition caused by the internal and external pressure difference of the chamber of the soaking plate, so that the produced product has good performance, low rejection rate and good use effect.
Description
Technical field
The present invention relates to a kind of soaking plate, especially a kind of enclosuring structure of soaking plate and manufacture method thereof.
Background technology
Soaking plate is a kind of high performance heat abstractor, be used on the high performance electronic element more, its basic structure is the shell with a vacuum chamber, in chamber, be provided with micro-structural, and the filling hydraulic fluid, solidify, evaporate the suction, heat radiation and the micro-structural that produce by hydraulic fluid the capillary force of hydraulic fluid is carried out the heat conduction; The structure of soaking plate needs inner vacuum, existing soaking plate manufacturing technology, no matter the formed inner chamber of lid about being, or by copper pipe via the formed inner chamber of die mould, its production stage as shown in Figure 1, include: the step of filling out powder, sintering formation capillary portion of leading portion part, insert the step of supporting construction, die mould, the welded seal of argon welding, silver soldering and insert the step of a thin metal pipe as liquid injection port, in chamber, inject the step of hydraulic fluid by thin metal pipe, and the quantitative fluid injection of back segment part, vacuumize and seal the step of welding.
The manufacturing technology of existing soaking plate exists following deficiency:
Through soaking plate and the semi-finished product that the step of above-mentioned leading portion part is produced, in the welded seal process, can use a thin metal pipe as the liquid injection port of reserving, structure as shown in Figure 2, wherein 1 ' is the soaking plate semi-finished product, 2 is the sealing part structure, 3 is thin metal pipe; Such structure is as easy as rolling off a log because of accident collision damages when follow-up manufacturing and use, causes soaking plate to become defective products.
And, when the soaking plate semi-finished product are implemented the back segment manufacturing step, for quantitative fluid injection, vacuumize and seal the operation of welding, existing technical scheme is that the liquid with impregnator injects the metal liquid injection pipe on the soaking plate, just removes this impregnator after reaching certain quantity of fluid; Next just these soaking plate semi-finished product are moved on to next work station, vacuumize operation; Seal weld job subsequently again, so operation is consuming time takes a lot of work the manufacturing cost height.
In addition, because the inside cavity high vacuum causes pressure to descend, use same opening to do fluid injection and the mode of the operation mouth that vacuumizes, when fluid injection, be easy to generate the phenomenon that liquid level is vaporized rapidly, the careless slightly liquid insufficient infusion that will make, and then cause taking place easily dry combustion method (dry out) phenomenon.
Summary of the invention
The object of the present invention is to provide a kind of soaking plate manufacture method of avoiding above-mentioned manufacturing defective, the soaking plate enclosuring structure that provides a kind of nothing to seal defective is provided.
The technical scheme that the present invention is adopted for its technical problem of solution is:
A kind of manufacture method of soaking plate may further comprise the steps:
Step 3, supporting construction is filled: insert supporting construction in the chamber of raw metal;
Step 5 seals one: the remainder except that liquid injection port is sealed;
Step 7, application of vacuum: the soaking plate semi-finished product after at least one fluid injection are inserted arrangement place in the vacuum tank, and pressing also seals the liquid injection port end.
A kind of enclosuring structure of soaking plate, for leaving the semi-finished product of liquid injection port, comprise the soaking plate semi-finished product, with vacuum chamber be positioned at the liquid injection port of soaking plate one side and be arranged at vacuum chamber, in order to support the supporting construction of soaking plate semi-finished product profile, described liquid injection port is the integrate shaped type opening that this side of soaking plate stays after pressing, sealing.
The invention has the beneficial effects as follows: the present invention is after sealing one processing step, do not follow the liquid injection pipe that is solded into of existing scheme, but keep a liquid injection port, after finishing fluid injection, carry out application of vacuum and sealing, being about to arrangement place that the soaking plate semi-finished product insert in the vacuum tank fixes, and in vacuum tank to liquid injection port pressing and sealing, soaking plate by such step is produced does not need thin metal pipe, and can be unified in and carry out follow-up sealing technology in the vacuum tank, and avoided in the soaking plate chamber, the rough sledding that outer pressure reduction brought, make that the properties of product of being produced are good, percent defective is low, has well result of use.
The persond having ordinary knowledge in the technical field of the present invention after reading this manual, it will be appreciated that other purpose of the present invention and advantage.
Description of drawings
Further specify below in conjunction with the drawings and specific embodiments:
Fig. 1 is the schematic flow sheet of existing soaking plate manufacturing process;
Fig. 2 is for adopting the half-finished structural representation of soaking plate of existing manufacturing process manufacturing;
Fig. 3 is the process chart of manufacturing process embodiment one of the present invention;
Fig. 4 is the process chart of manufacturing process embodiment two of the present invention;
Fig. 5 is for adopting the half-finished structural representation of soaking plate of manufacturing process manufacturing of the present invention;
Fig. 6 is positioned at the view of vacuum tank for soaking plate semi-finished product of the present invention;
Fig. 7 is a schematic diagram after the sealing of soaking plate of the present invention.
The specific embodiment
Please refer to Fig. 3, be the process chart of soaking plate manufacture method embodiment one of the present invention, the raw metal that is adopted is a metal tube in this embodiment, and its processing step comprises:
Step 1.1 cuts: cut metal tube, obtain the metal tube raw material of preliminary dimension; And before cutting, align metal tube, guarantee the qualification rate of product; Cutting back clean metal pipe, to guarantee the cavity quality;
Step 1.2, plunger: insert and the suitable mould rod of blank pipe internal diameter in the chamber of metal tube, the mould rod matches with the raw meal of subsequent technique and carries out sintering, forms required structure in chamber;
Step 2.1 is filled out powder: insert raw meal from the metal tube openend;
Step 2.2, sintering: the pipe of filling out behind the powder is carried out sintering;
Step 2.3 is removed rod: the mould rod is extracted in managing.
Step 3, supporting construction is filled: insert supporting construction in the chamber of raw metal; Present embodiment uses the metal tube raw material, flatten before filling, so this step can be subdivided into:
Step 3.1, precompressed: metal tube is carried out precompressed flatten, form platy structure;
Step 3.2, insert supporting construction: in chamber, insert the supporting construction that becomes through processes such as punching press, shaping, cleanings from the opening part of metal tube, with when the pressing as support;
Step 5, seal one: will seal except that the remainder the liquid injection port of first opening part; Form the soaking plate semi-finished product afterwards, structure as shown in Figure 5, wherein 1 ' is the soaking plate semi-finished product, 4 is liquid injection port;
Step 6, fluid injection: the hydraulic fluid that in chamber, injects predetermined close from the liquid injection port of first opening part;
Step 7, application of vacuum: the soaking plate semi-finished product after at least one fluid injection are inserted arrangement place in the vacuum tank, and pressing also seals the liquid injection port end, can be subdivided into:
Step 7.1, insert vacuum tank: the soaking plate semi-finished product 1 ' after or the above fluid injection are inserted arrangement place in the vacuum tank, can settle anchor clamps 5 one or more soaking plate 1 ' semi-finished product that are clamped by one in the vacuum tank, liquid injection port 4 is inclined upwardly and is an elevation angle theta, be subjected to the earth's core gravity effect and flow out from liquid injection port 4 with the hydraulic fluid of avoiding being positioned at chamber, its status architecture as shown in Figure 6;
Step 7.2, die mould two: in vacuum tank, with the part pressing of soaking plate semi-finished product 1 ' liquid injection port end, its pressing direction is shown in the arrow of Fig. 6;
Step 7.3, seal two: liquid injection port 4 is sealed by spot welding or other modes, create soaking plate 1 like this, structure as shown in Figure 7.
Through after the step of the present invention, just can carry out follow-up processing technology, do not repeat them here.
Please refer to the process chart of Fig. 4 for the embodiment of the invention two, what it adopted is the soaking plate that sheet metal is made as raw material, therefore in concrete manufacturing technology steps, different with the metal tube raw material of embodiment one, may further comprise the steps:
Step 1.1 cuts: sheet metal is cut into preliminary dimension;
Step 1.2, punch forming: the sheet metal that cuts is stamped into the shape that needs; Can clean afterwards, to guarantee matter;
Step 3 is inserted supporting construction: insert supporting construction in the chamber of sheet metal raw material;
Step 5, seal one: the opening portion sealing of other pressings that will be except that liquid injection port, just become soaking plate semi-finished product 1 ' afterwards, structure is as shown in Figure 5;
Step 6, fluid injection: the hydraulic fluid that in chamber, injects predetermined close from liquid injection port 4;
Step 7, application of vacuum: semi-finished product are carried out application of vacuum; As shown in Figure 6, be that one or above soaking plate semi-finished product 1 ' are inserted in the vacuum tank, the follow-up die mould of soaking plate semi-finished product 1 ' and seal all and finish in the vacuum environment of vacuum tank afterwards can be subdivided into:
Step 7.1, insert vacuum tank: the soaking plate semi-finished product 1 ' after or the above fluid injection are inserted arrangement place in the vacuum tank, can settle anchor clamps 5 one or more soaking plate 1 ' semi-finished product that are clamped by one in the vacuum tank, liquid injection port 4 is inclined upwardly and is an elevation angle theta, be subjected to the earth's core gravity effect and flow out from liquid injection port 4 with the hydraulic fluid of avoiding being positioned at chamber, its status architecture as shown in Figure 6;
Step 7.2, die mould two: with the part pressing of soaking plate semi-finished product 1 ' liquid injection port end, its pressing direction is shown in the arrow of Fig. 6;
Step 7.3, seal two: liquid injection port 4 is sealed by spot welding or other modes, create soaking plate 1 like this, structure as shown in Figure 7.Just can carry out follow-up processing technology afterwards, not repeat them here.
And as preferred implementation of the present invention, among each embodiment of above-mentioned enforcement step 6 seal one and step 7.3 seal two, its sealing means can adopt spot welding, arc welding, argon welding, silver soldering or other the welded seal mode that can expect.
In the above embodiments one and embodiment two, all can after sealing, carry out side leakage, to guarantee the quality of yield rate and product.
The soaking plate that adopts production technology of the present invention to produce, its enclosuring structure is improved, structure as shown in Figure 5 under its greenware condition, and the finished product state structure behind the final encapsulation as shown in Figure 7, comprise that a soaking plate 1 and with vacuum chamber is positioned at the liquid injection port 4 of soaking plate 1 one sides, in the vacuum chamber of soaking plate 1, be provided with in order to support the supporting construction of soaking plate profile, wherein this liquid injection port 4 this side that is soaking plate 1 is through pressing, the integrate shaped type that stays after the sealing seals, and is other feature of soaking plate enclosuring structure phase region of being produced with the traditional handicraft aspect.
The soaking plate that adopts production stage of the present invention to produce, do not need to adopt the thin metal pipe of existing product, and can be unified in and carry out follow-up sealing technology in the vacuum tank, and the rough sledding of having avoided the inside and outside pressure reduction of soaking plate chamber to be brought, make that the properties of product of being produced are good, percent defective is low, has well result of use.
Certainly, above-mentioned just the present invention describes demonstration with reference to preferred embodiment, only will be appreciated that in spirit that does not break away from the present invention and category for the persond having ordinary knowledge in the technical field of the present invention, still many variations and modification must be arranged.Therefore, the present invention is not restricted to disclosed embodiment, but the literature record of later attached claim is as the criterion, and does not depart from promptly that the present patent application claim institute is impartial for it to change and modify, and should still belong to the present invention's covering scope.
Claims (10)
1. the manufacture method of a soaking plate is characterized in that may further comprise the steps:
The step raw material is prepared: prepare the raw metal of soaking plate, be cut into preliminary dimension;
Step 2 is filled out powder sintering: insert the powder stock through screening in the chamber of raw metal, and the raw metal of filling out behind the powder is carried out sintering;
Step 3, supporting construction is filled: insert supporting construction in the chamber of raw metal;
Step 4, die mould one: reserve an opening as liquid injection port, with the remainder pressing of raw metal;
Step 5 seals one: the remainder except that liquid injection port is sealed;
Step 6, fluid injection: in chamber, inject hydraulic fluid from liquid injection port;
Step 7, application of vacuum: the soaking plate semi-finished product after at least one fluid injection are inserted arrangement place in the vacuum tank, and pressing also seals the liquid injection port end.
2. the manufacture method of soaking plate according to claim 1 is characterized in that the application of vacuum of described step 7 is made up of following steps:
Step 7.1 is inserted vacuum tank: the soaking plate semi-finished product after at least one fluid injection are inserted arrangement place in the vacuum tank;
Step 7.2, die mould two: in vacuum tank to the pressing of the half-finished liquid injection port end parts of soaking plate;
Step 7.3 seals two: in vacuum tank the liquid injection port after the pressing of soaking plate semi-finished product is sealed.
3. the manufacture method of soaking plate according to claim 1 is characterized in that the soaking plate semi-finished product are inserted arrangement place in the vacuum tank, makes liquid injection port be inclined upwardly to be an elevation angle to fix.
4. according to the manufacture method of claim 1 or 2 or 3 described a kind of soaking plate, it is characterized in that described raw metal is a metal circular tube;
Wherein, the raw material of described step 1 prepares to comprise following processing step:
Step 1.1 cuts: cut metal tube;
Step 1.2, plunger: in the chamber of metal tube, insert and the suitable mould rod of blank pipe internal diameter;
The powder sintering of filling out of described step 2 comprises following processing step:
Step 2.1 is filled out powder: insert raw meal from the metal tube openend;
Step 2.2, sintering: the pipe of filling out behind the powder is carried out sintering;
Step 2.3 is removed rod: the mould rod is extracted in managing;
The supporting construction of described step 3 is filled and is also comprised following processing step:
Step 3.1, precompressed: metal tube is carried out precompressed flatten;
Step 3.2 is inserted supporting construction: insert supporting construction in the metal tube chamber after flattening.
5. the manufacture method of a kind of soaking plate according to claim 4 is characterized in that before the cutting of step 1.1 metal tube being aligned.
6. according to the manufacture method of claim 1 or 2 or 3 described a kind of soaking plate, it is characterized in that described raw metal is a sheet metal, the raw material of step 1 prepares to comprise following processing step:
Step 1.1 cuts: cutting sheet metal is preliminary dimension;
Step 1.2, punch forming: sheet metal is stamped into the shape that needs.
7. according to the manufacture method of claim 1 or 2 or 3 described soaking plate, it is characterized in that step 5 seal one after, sealing end is leaked hunting.
8. according to the manufacture method of claim 1 or 2 or 3 described soaking plate, it is characterized in that step 5 sealing mode be spot welding, arc welding or other welding manners.
9. the manufacture method of soaking plate according to claim 2, the sealing mode that it is characterized in that described step 7.3 is spot welding, arc welding or other welding manners.
10. the enclosuring structure of a soaking plate, comprise a soaking plate, with vacuum chamber be positioned at the liquid injection port of soaking plate one side and be arranged at vacuum chamber, in order to support the supporting construction of soaking plate profile, it is characterized in that described liquid injection port is that the integrate shaped type that this side of soaking plate stays seals after pressing, sealing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010104129 CN101767270B (en) | 2010-01-26 | 2010-01-26 | Sealing structure of vapor chamber and manufacturing method |
| PCT/CN2010/071315 WO2011091619A1 (en) | 2010-01-26 | 2010-03-25 | Manufacturing method of soaking plate and sealing structure of soaking plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010104129 CN101767270B (en) | 2010-01-26 | 2010-01-26 | Sealing structure of vapor chamber and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
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| CN101767270A true CN101767270A (en) | 2010-07-07 |
| CN101767270B CN101767270B (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010104129 Active CN101767270B (en) | 2010-01-26 | 2010-01-26 | Sealing structure of vapor chamber and manufacturing method |
Country Status (2)
| Country | Link |
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| CN (1) | CN101767270B (en) |
| WO (1) | WO2011091619A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314171A (en) * | 2014-08-05 | 2016-02-10 | 嘉兴市尤纳特电子科技有限公司 | Vacuum sealer for hot plate |
| CN109708501A (en) * | 2018-12-05 | 2019-05-03 | 太原航空仪表有限公司 | A kind of full aluminium phase transformation temperature-uniforming plate of large scale and fill out powder tooling and production method |
| WO2020087357A1 (en) * | 2018-10-31 | 2020-05-07 | 深圳市万景华科技有限公司 | Heat pipe for smart terminal, and manufacturing method for same |
| CN111987059A (en) * | 2020-08-19 | 2020-11-24 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Vapor chamber filling and sealing structure and method |
| CN113894504A (en) * | 2021-10-20 | 2022-01-07 | 广东思泉新材料股份有限公司 | Ultrathin uniform temperature plate and manufacturing method thereof |
| CN114589266A (en) * | 2022-03-16 | 2022-06-07 | 佛山华智新材料有限公司 | Hot pressing process for vapor chamber |
| CN115229486A (en) * | 2022-08-11 | 2022-10-25 | 中山佳威路家用电器有限公司 | Automatic production line for vacuum storage box |
| CN117663865A (en) * | 2024-01-22 | 2024-03-08 | 华南理工大学 | Anti-expansion ultrathin vapor chamber and manufacturing method thereof |
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| US5480601A (en) * | 1986-06-17 | 1996-01-02 | Sumitomo Electric Industries, Ltd. | Method for producing an elongated sintered article |
| WO2002044639A1 (en) * | 2000-11-30 | 2002-06-06 | Khpt Co., Ltd | Sintered wick structure heat pipe with parallel pipe holes and manufature method thereof |
| TW466329B (en) * | 2001-08-09 | 2001-12-01 | Auras Technology Ltd | Method for manufacturing cylinder-shaped heat conduction tube |
| CN1566888A (en) * | 2003-06-10 | 2005-01-19 | 业强科技股份有限公司 | Heat guiding tube manufacturing method and arrangement thereof |
| CN2758975Y (en) * | 2004-12-14 | 2006-02-15 | 业强科技股份有限公司 | Improvement of soaking plate structure |
| CN100370208C (en) * | 2005-01-22 | 2008-02-20 | 富准精密工业(深圳)有限公司 | Sintering type heat pipe and manufacturing method thereof |
| CN100404993C (en) * | 2005-03-29 | 2008-07-23 | 业强科技股份有限公司 | Heat pipe manufacturing method |
| CN101566440B (en) * | 2008-04-23 | 2013-01-30 | 中山伟强科技有限公司 | Sintered soaking plate and manufacturing method thereof |
| CN201364062Y (en) * | 2009-01-09 | 2009-12-16 | 中山伟强科技有限公司 | Sintering-type thermotube-type soaking board with convex platform |
| CN101581548B (en) * | 2009-06-13 | 2012-02-08 | 中山伟强科技有限公司 | Ultrathin heat pipe |
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- 2010-01-26 CN CN 201010104129 patent/CN101767270B/en active Active
- 2010-03-25 WO PCT/CN2010/071315 patent/WO2011091619A1/en active Application Filing
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314171A (en) * | 2014-08-05 | 2016-02-10 | 嘉兴市尤纳特电子科技有限公司 | Vacuum sealer for hot plate |
| WO2020087357A1 (en) * | 2018-10-31 | 2020-05-07 | 深圳市万景华科技有限公司 | Heat pipe for smart terminal, and manufacturing method for same |
| CN109708501A (en) * | 2018-12-05 | 2019-05-03 | 太原航空仪表有限公司 | A kind of full aluminium phase transformation temperature-uniforming plate of large scale and fill out powder tooling and production method |
| CN111987059A (en) * | 2020-08-19 | 2020-11-24 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Vapor chamber filling and sealing structure and method |
| CN111987059B (en) * | 2020-08-19 | 2023-08-18 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Soaking plate filling and sealing structure and method |
| CN113894504A (en) * | 2021-10-20 | 2022-01-07 | 广东思泉新材料股份有限公司 | Ultrathin uniform temperature plate and manufacturing method thereof |
| CN114589266A (en) * | 2022-03-16 | 2022-06-07 | 佛山华智新材料有限公司 | Hot pressing process for vapor chamber |
| CN115229486A (en) * | 2022-08-11 | 2022-10-25 | 中山佳威路家用电器有限公司 | Automatic production line for vacuum storage box |
| CN115229486B (en) * | 2022-08-11 | 2023-09-08 | 中山佳威路家用电器有限公司 | Automatic production line of vacuum storage box |
| CN117663865A (en) * | 2024-01-22 | 2024-03-08 | 华南理工大学 | Anti-expansion ultrathin vapor chamber and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011091619A1 (en) | 2011-08-04 |
| CN101767270B (en) | 2011-11-02 |
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