CN211823993U - Thin type temperature equalizing plate - Google Patents
Thin type temperature equalizing plate Download PDFInfo
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- CN211823993U CN211823993U CN201922170351.8U CN201922170351U CN211823993U CN 211823993 U CN211823993 U CN 211823993U CN 201922170351 U CN201922170351 U CN 201922170351U CN 211823993 U CN211823993 U CN 211823993U
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Abstract
The utility model provides a slim temperature-uniforming plate, it makes the temperature-uniforming plate can reduce whole weight according to heat transfer needs, attenuate thickness, increase heat transfer ability, satisfies the heat transfer demand that constantly increases. It includes first apron, second apron, the central zone of first apron is provided with the epirelief cavity, the outside frame lid of first apron in the epirelief cavity forms the appearance chamber rather than the combination of the second apron under the peripheral zone back epirelief cavity of second apron, epirelief cavity correspond to a plurality of protruding bearing structure down of having arranged in the inner wall array of the face region that holds the chamber, it is provided with individual layer capillary structure to hold the intracavity, one of them surface laminating of individual layer capillary structure protruding bearing structure's the inner wall that protrudes downwards arranges, another surface laminating of individual layer capillary structure the corresponding regional internal surface of second apron is arranged, and it is still including the working medium filling hole, working medium filling hole intercommunication holds the chamber, the working medium filling hole seals after pouring into phase change medium and evacuation.
Description
Technical Field
The utility model relates to a technical field of vapor chamber structure specifically is slim vapor chamber.
Background
With the continuous upgrading of functions and appearances of computers, tablet computers and mobile phones, the requirements for power consumption and light and thin experience are also continuously improved. The vapor chamber has gradually replaced the conventional heat pipe for heat dissipation. The vapor chamber has the advantages that the divergent steam path has good 2D surface heat conduction capability, high-density heat conduction capability and light and thin characteristics.
The prior temperature-equalizing plate has some defects in production and use:
1 along with the thin trend, the volume of the internal vacuum cavity is continuously compressed, and the performance is reduced along with the continuous compression.
2 the convex columns of the plate are mostly solid bodies, and the weight of the product is difficult to reduce.
3 if the distance between the heat source and the temperature-equalizing plate is far, a contact surface metal block needs to be additionally adhered or welded, the thermal impedance from the heat source to the temperature-equalizing plate is greatly improved, and the weight and the cost are increased.
4 capillary structure is mostly regular structure shape, can not well laminate panel when meetting the poor panel of irregular section, causes the influence to phase change medium's flow conduction, and heat-conduction ability reduces.
Under such a background, a new temperature equalization plate structure is urgently needed.
Disclosure of Invention
To the above problem, the utility model provides a slim temperature-uniforming plate, it makes the temperature-uniforming plate can be according to the heat transfer needs, and attenuate thickness, increase heat transfer ability reduce whole weight, satisfy the heat transfer demand that constantly increases.
The thin type temperature equalizing plate is characterized in that: it includes first apron, second apron, the central zone of first apron is provided with the epirelief cavity, the outside frame lid of first apron in the epirelief cavity forms the appearance chamber rather than the combination of the second apron under the peripheral zone back epirelief cavity of second apron, epirelief cavity correspond to a plurality of protruding bearing structure down of having arranged in the inner wall array of the face region that holds the chamber, it is provided with individual layer capillary structure to hold the intracavity, one of them surface laminating of individual layer capillary structure protruding bearing structure's the inner wall that protrudes downwards arranges, another surface laminating of individual layer capillary structure the corresponding regional internal surface of second apron is arranged, and it is still including the working medium filling hole, working medium filling hole intercommunication holds the chamber, the working medium filling hole seals after pouring into phase change medium and evacuation.
It is further characterized in that: the second cover plate is a metal plate bottom plate;
the outer frame of the first cover plate is welded to the peripheral area of the second cover plate through brazing, a circle of concave solder overflow preventing grooves are formed in the position, close to the outer edge of the accommodating cavity, of the brazing area of the first cover plate corresponding to the second cover plate, and the solder overflow preventing grooves prevent solder from overflowing into the accommodating cavity and causing pollution;
the area of the second cover plate corresponding to the heat source part is provided with a lower convex cavity, corresponding capillary structures are arranged in the lower convex cavity, the advantages of a metal plate forming process are utilized, the metal plate bottom plate replaces the original metal plate block welding or sticking process through the metal plate convex hull forming process, the heat source part is in direct contact with the temperature equalizing plate, the thermal impedance is reduced by about 0.6-0.9W/DEG C, and the inner cavity space is effectively increased. In practical application, the sheet metal block welding process is increased to occupy about 100% of the cavity space;
the side wall of the lower convex cavity is of a circular arc edge transition structure, so that external components are not damaged;
the bottom of the lower convex supporting structure extends into the area of the lower convex cavity, the area of the single-layer capillary structure corresponding to the lower convex cavity is arranged in a mode of copying on the lower convex cavity, and the bottom of the lower convex supporting structure in the area corresponding to the lower convex cavity is tightly attached to the corresponding surface of the single-layer capillary structure;
when the bottoms of all the lower convex supporting structures are positioned on the same plane, a plurality of layers of folded capillary structures are arranged in the lower convex cavity, the bottom layers of the plurality of layers of folded capillary structures are arranged in a mode of being tightly attached to the bottom surface of the lower convex cavity, the upper layers of the plurality of layers of folded capillary structures are arranged in a mode of being tightly attached to the lower surface of the corresponding area of the single-layer capillary structure, and the folded multi-layer capillary structures replace solid convex columns and occupy about 60-70% of the space of the cavity compared with the convex columns;
when the first cover plate is specifically an etching upper plate, the exposed upper surface of the etching upper plate is a plane, and the accommodating cavity is specifically formed by combining grooves formed by etching;
the working medium injection holes are arranged on the exposed surface of the sheet metal base plate;
when the first cover plate is a metal plate upper plate, an inner groove corresponding to the lower convex supporting structure is formed in the exposed upper surface of the metal plate upper plate, the connecting position of the bottom edge of the lower convex supporting structure and the exposed upper surface is a connecting inclined edge flaring from bottom to top, the metal plate upper plate processes the supporting convex hull into an inclination angle type, more space is released to the inside of the cavity by the inner inclination angle part while functions and strength are ensured, the convex column is reduced to occupy about 30-40% of the space of the cavity by an etching process in practical application, and a steam channel and the space are more beneficial to heat energy transfer and release; by utilizing the advantages of the metal plate forming process, the metal plate upper plate only has the material thickness at the back of the convex hull for supporting, the material weight is greatly reduced while the function and the strength are ensured, and the weight of the convex column is reduced by about 60-70% compared with the weight of the convex column in the etching process in practical application;
a working medium injection hole is formed in the side wall of the upward convex cavity of the first cover plate;
the single-layer capillary structure is a mesh structure, a sintered powder structure or a mesh and sintered powder composite structure, and is made of copper, copper alloy, aluminum alloy, titanium alloy or stainless steel;
the multilayer folding capillary structure is a mesh structure, a sintered powder structure or a mesh and sintered powder composite structure, and is made of copper, copper alloy, aluminum alloy, titanium alloy or stainless steel;
the shape of the lower convex supporting structure is specifically cylindrical, truncated cone, square, cubic, hemispherical or ellipsoidal, and all the lower convex supporting structures form rectangular array arrangement, so that the simple and convenient manufacture is ensured;
the first cover plate and the second cover plate are made of copper, copper alloy, aluminum alloy, titanium alloy or stainless steel materials.
After adopting above-mentioned technical scheme, the temperature-uniforming plate can accomplish 0.25mm with thickness, very big promotion the frivolous characteristic of temperature-uniforming plate, can reduce or increase the characteristic in any position in the aspect of the design and have fine compatibility to complicated mechanism, and the heat-conduction mode is that the multidirectional conduction of two-dimensional plane design limitation is little, efficient. The whole technical product can use corrosion-resistant materials to provide more efficient heat conduction performance, reliability and service life under the condition of not carrying out surface treatment; the cavity is internally provided with a single-layer capillary structure, one surface of the single-layer capillary structure is attached to the lower convex inner wall of the lower convex support structure, the other surface of the single-layer capillary structure is attached to the inner surface of the corresponding area of the second cover plate, the single-layer capillary structure further comprises a working medium injection hole, the peripheries of the first cover plate and the second cover plate are hermetically combined by adopting a laser welding/solder welding/ultrasonic welding process, working medium is pumped from the working medium injection hole and injected into the temperature-uniforming plate, after the pumping and the injection of the working medium are completed, the working medium is sealed at the working medium injection hole by using a resistance welding/laser welding/ultrasonic welding mode, the temperature of a certain part of the second cover plate is increased by contacting with a heat source, the liquid working medium is rapidly evaporated into a hot gaseous working medium in a vacuum ultralow pressure environment and absorbs heat energy, meanwhile, heat energy is released, liquid working media flow back to the heat source position through the capillary structure and work in cycles, so that the temperature equalizing plate can reduce the thickness and increase the heat exchange capacity according to heat exchange requirements, the overall weight is reduced, and the continuously-increased heat exchange requirements are met.
Drawings
Fig. 1 is a schematic front view structure diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view of section A-A of FIG. 1;
fig. 3 is a schematic front view structure diagram of a second embodiment of the present invention;
FIG. 4 is a schematic view of section B-B of FIG. 3;
fig. 5 is a schematic front view structure diagram of a third embodiment of the present invention;
FIG. 6 is a schematic view of the cross-sectional C-C structure of FIG. 5;
fig. 7 is a schematic front view structure according to a fourth embodiment of the present invention;
FIG. 8 is a schematic view of the cross-sectional view D-D of FIG. 7;
fig. 9 is a schematic rear view structure according to a fifth embodiment of the present invention;
FIG. 10 is a schematic view of section E-E of FIG. 9;
fig. 11 is a schematic front view structure according to a sixth embodiment of the present invention;
FIG. 12 is a schematic view of the cross-sectional F-F configuration of FIG. 11;
FIG. 13 is an enlarged view of a portion of FIG. 2 at G;
FIG. 14 is an enlarged view of a portion of FIG. 8 at H;
the names corresponding to the sequence numbers in the figure are as follows:
the welding-material-preventing cover plate comprises a first cover plate 1, a metal plate upper plate 101, an inner groove 102, a connection bevel edge 103, an etching upper plate 104, a groove 105, a second cover plate 2, a metal plate bottom plate 201, a lower convex cavity 202, an arc edge transition structure 203, an upper convex cavity 3, an outer frame 4, a containing cavity 5, a lower convex supporting structure 6, a single-layer capillary structure 7, a working medium injection hole 8, a multi-layer folding capillary structure 9, a heat source part 10 and a welding-material-preventing overflow groove 11.
Detailed Description
Thin vapor chamber, see fig. 1-12: the single-layer capillary structure comprises a first cover plate 1 and a second cover plate 2, wherein an upward convex cavity 4 is arranged in the center area of the first cover plate 1, an outer frame 4 of the first cover plate 1 covers the periphery area of the second cover plate 2, the combination of the upward convex cavity 4 and the second cover plate 2 right below the upward convex cavity forms an accommodating cavity 5, a plurality of downward convex supporting structures 6 are arranged on the inner wall array of the upward convex cavity 4 corresponding to the surface area of the accommodating cavity, a single-layer capillary structure 7 is arranged in the accommodating cavity 6, one surface of the single-layer capillary structure 7 is attached to the downward convex inner wall of the downward convex supporting structure 6, the other surface of the single-layer capillary structure 7 is attached to the inner surface of the corresponding area of the second cover plate 2 and further comprises a working medium injection hole 8, the working medium injection hole is communicated with. The second cover plate 2 is specifically a sheet metal bottom plate 201; the sheet metal base plate 201 enables the characteristics to be reduced or increased at any position in the aspect of design, and has good compatibility with a complex mechanism, and particularly the sheet metal base plate 201 can be conveniently provided or not provided with the working medium injection hole 8 and the lower convex cavity 202 according to design requirements, and the positions of the working medium injection hole 8 and the lower convex cavity 202 are convenient to arrange. The outer frame 4 of the first cover plate 1 is welded to the peripheral area of the second cover plate 2 through brazing, a circle of concave solder overflow-preventing grooves 11 are formed in the outer edge position, close to the cavity 5, of the brazing area of the first cover plate 1 corresponding to the second cover plate 2, and the solder overflow-preventing grooves 11 prevent the solder from overflowing into the cavity 5 and causing pollution.
In the first embodiment, see fig. 1 and fig. 2: the first cover plate 1 is specifically a sheet metal upper plate 101, an exposed upper surface of the sheet metal upper plate 101 is provided with an inner groove 102 corresponding to the lower convex supporting structure 6, a connection position of the bottom edge of the lower convex supporting structure 6 and the exposed upper surface is a connection bevel edge 103 flaring from bottom to top, a sheet metal bottom plate 201 is of a flat plate structure, and only a single-layer capillary structure 7 is arranged in the accommodating cavity 5.
In the second embodiment, see fig. 3 and 4: the first cover plate 1 is specifically a sheet metal upper plate 101, an exposed upper surface of the sheet metal upper plate 101 is provided with an inner groove 102 corresponding to the lower convex supporting structure 6, a connection position of the bottom edge of the lower convex supporting structure 6 and the exposed upper surface is a connection inclined edge 103 flaring from bottom to top, a lower convex cavity 202 is arranged in a region of the sheet metal bottom plate 201 corresponding to a heat source part, the side wall of the lower convex cavity 202 is an arc edge transition structure 203, the bottom of the lower convex supporting structure 6 extends into the region of the lower convex cavity 202, a region of the single-layer capillary structure 7 corresponding to the lower convex cavity 202 is arranged in a copying manner in the lower convex cavity 202, the bottom of the lower convex supporting structure 6 corresponding to the lower convex cavity 202 region is tightly attached to the corresponding surface of the single-layer capillary structure 7, and when the sheet metal upper plate is.
In the third embodiment, see fig. 5 and 6: the first cover plate 1 is specifically a sheet metal upper plate 101, the exposed upper surface of the sheet metal upper plate 101 is provided with an inner groove 102 corresponding to the lower convex supporting structure 6, the connection position of the bottom edge of the lower convex supporting structure 6 and the exposed upper surface is a connection bevel edge 103 flaring from bottom to top, the region of the sheet metal bottom plate 201 corresponding to the heat source part 10 is provided with a lower convex cavity 202, the side wall of the lower convex cavity 202 is an arc edge transition structure, the multilayer folding capillary structure 9 is arranged in the lower convex cavity, the bottom layer of the multilayer folding capillary structure 9 is arranged closely to the bottom surface of the lower convex cavity 202, the upper layer of the multilayer folding capillary structure 9 is arranged closely to the lower surface of the corresponding region of the single-layer capillary structure 7, and when the heat source part 10 is used specifically.
In the first to third embodiments, a working medium injection hole 8 is formed in the side wall of the upper convex cavity 4 of the sheet metal upper plate 101.
The fourth embodiment is shown in fig. 7 and 8: the first cover plate 1 is specifically an etching upper plate 104, the exposed upper surface of the etching upper plate 104 is a plane, and the cavity 5 is specifically formed by combining grooves 105 formed by etching; the sheet metal base plate 201 is of a flat plate structure, and only a single-layer capillary structure 7 is arranged in the cavity 5.
The fifth embodiment is shown in fig. 9 and 10: the first cover plate 1 is specifically an etched upper plate 104, the exposed upper surface of the etched upper plate 104 is a plane, the accommodating cavity 5 is specifically formed by combining etched grooves 105, a lower convex cavity 202 is arranged in an area of the sheet metal bottom plate 201 corresponding to a heat source part, the side wall of the lower convex cavity 202 is an arc edge transition structure 203, the bottom of the lower convex support structure 6 extends into the area of the lower convex cavity 202, the area of the single-layer capillary structure 7 corresponding to the lower convex cavity 202 is arranged in a profiling mode in the lower convex cavity 201, the bottom of the lower convex support structure 6 in the area corresponding to the lower convex cavity 202 is tightly attached to the corresponding surface of the single-layer capillary structure 7, and when the single-layer capillary structure is specifically used, the heat source part is installed in contact.
The sixth embodiment is shown in fig. 11 and 12: the first cover plate 1 is specifically an etching upper plate 104, the exposed upper surface of the etching upper plate 104 is a plane, the accommodating cavity is specifically formed by combining grooves 105 formed by etching, a lower convex cavity 202 is arranged in an area of a sheet metal bottom plate 201 corresponding to a heat source part, the side wall of the lower convex cavity 202 is an arc edge transition structure 203, a multi-layer folding capillary structure 9 is arranged in the lower convex cavity 202, the bottom layer of the multi-layer folding capillary structure 9 is arranged in a mode of being tightly attached to the bottom surface of the lower convex cavity 202, the upper layer of the multi-layer folding capillary structure 9 is arranged in a mode of being tightly attached to the lower surface of a corresponding area of a single-layer capillary structure 7, and when the first cover plate is specifically.
In four to six specific embodiments, the working medium injection hole 8 is arranged on the exposed surface of the sheet metal base plate 201;
the single-layer capillary structure 7 is a mesh structure, a sintered powder structure or a mesh and sintered powder composite structure, and the single-layer capillary structure 7 is made of copper, copper alloy, aluminum alloy, titanium alloy or stainless steel;
the multilayer folded capillary structure 9 is a mesh structure, a sintered powder structure or a mesh and sintered powder composite structure, and the material of the multilayer folded capillary structure 9 is copper, copper alloy, aluminum alloy, titanium alloy or stainless steel material;
the shape of the lower convex supporting structure 6 is specifically cylindrical, truncated cone, square, cubic, hemispherical or ellipsoidal, and all the lower convex supporting structures form rectangular array arrangement, so that the manufacturing is simple and convenient;
the first cover plate 1 and the second cover plate 2 are made of copper, copper alloy, aluminum alloy, titanium alloy or stainless steel.
The above-mentioned upper and lower relationships and the top-bottom relationship are interchangeable in the actual process, and can be in the left-right position relationship in the reversed use state.
The thin temperature equalizing plate is bent, molded and processed into a three-dimensional shape in a finished product state, and is suitable for special equipment such as wearable electronic equipment (VR/AR glasses, electronic bracelets, watches and the like).
The working principle is as follows: the working medium is pumped and injected from the working medium injection hole, the working medium enters and exits from the inside of the temperature equalizing plate through the working medium injection hole channel, after the pumping and the injection of the working medium are completed, the working medium is sealed at the working medium injection hole by using a resistance welding/laser welding/ultrasonic welding mode, the temperature of a part of the second cover plate is increased when the working medium is contacted with a heat source, the liquid working medium is rapidly evaporated into a hot working medium in a vacuum ultra-low pressure environment and absorbs heat energy, the hot working medium is transmitted to other parts by gaps in the capillary structure to be liquefied into a liquid state, the heat energy is released simultaneously, the liquid working medium flows back to the heat source position through the capillary structure and works in cycles, and the temperature equalizing plate can reduce the thickness and increase the heat exchange capacity.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (15)
1. The thin type temperature equalizing plate is characterized in that: it includes first apron, second apron, the central zone of first apron is provided with the epirelief cavity, the outside frame lid of first apron in the epirelief cavity forms the appearance chamber rather than the combination of the second apron under the peripheral zone back epirelief cavity of second apron, epirelief cavity correspond to a plurality of protruding bearing structure down of having arranged in the inner wall array of the face region that holds the chamber, it is provided with individual layer capillary structure to hold the intracavity, one of them surface laminating of individual layer capillary structure protruding bearing structure's the inner wall that protrudes downwards arranges, another surface laminating of individual layer capillary structure the corresponding regional internal surface of second apron is arranged, and it is still including the working medium filling hole, working medium filling hole intercommunication holds the chamber, the working medium filling hole seals after pouring into phase change medium and evacuation.
2. The thin vapor chamber of claim 1, wherein: the second cover plate is specifically a sheet metal base plate.
3. The thin vapor chamber of claim 1, wherein: the outer frame of the first cover plate is welded to the peripheral area of the second cover plate through brazing, and a circle of concave welding material overflow preventing grooves are formed in the outer edge position, close to the containing cavity, of the brazing area of the first cover plate, corresponding to the second cover plate.
4. The thin vapor chamber of claim 2, wherein: the area of the second cover plate corresponding to the heat source part is provided with a lower convex cavity, and a corresponding capillary structure is arranged in the lower convex cavity.
5. The thin vapor chamber of claim 4, wherein: the side wall of the lower convex cavity is of a circular arc edge transition structure.
6. The thin vapor chamber of claim 4, wherein: the bottom of the lower convex supporting structure extends into the area of the lower convex cavity, the area of the single-layer capillary structure corresponding to the lower convex cavity is arranged in a copying mode in the lower convex cavity, and the bottom of the lower convex supporting structure corresponding to the area of the lower convex cavity is tightly attached to the corresponding surface of the single-layer capillary structure.
7. The thin vapor chamber of claim 4, wherein: when the bottoms of all the lower convex supporting structures are positioned on the same plane, a plurality of layers of folding capillary structures are arranged in the lower convex cavity, the bottom layers of the plurality of layers of folding capillary structures are tightly attached to the bottom surface of the lower convex cavity, and the upper layers of the plurality of layers of folding capillary structures are tightly attached to the lower surfaces of the corresponding areas of the single-layer capillary structures.
8. The thin vapor chamber of claim 1, wherein: when the first cover plate is specifically an etching upper plate, the exposed upper surface of the etching upper plate is a plane, and the cavity is specifically formed by combining grooves formed by etching.
9. The thin vapor chamber of claim 2, wherein: the working medium injection holes are arranged on the exposed surface of the metal plate bottom plate.
10. The thin vapor chamber of claim 1, wherein: when the first apron specifically is the panel beating upper plate, the upper surface that exposes of panel beating upper plate is provided with the inner groovy that corresponds to support structure down, support structure's the base down is for the connection hypotenuse of flaring from bottom to top with the hookup location who exposes the upper surface down.
11. The thin vapor chamber of claim 10, wherein: and a working medium injection hole is formed in the side wall of the upward convex cavity of the first cover plate.
12. The thin vapor chamber of claim 1, wherein: the single-layer capillary structure is a mesh structure, a sintered powder structure or a mesh and sintered powder composite structure; the single-layer capillary structure is made of copper, copper alloy, aluminum alloy, titanium alloy or stainless steel materials.
13. The thin vapor chamber of claim 7, wherein: the multilayer folding capillary structure is a mesh structure, a sintered powder structure or a mesh and sintered powder composite structure; the material of the multilayer folding capillary structure is specifically copper, copper alloy, aluminum alloy, titanium alloy or stainless steel material.
14. The thin vapor chamber of claim 1, wherein: the shape of the lower convex supporting structure is specifically cylindrical, truncated cone, cube, hemisphere or ellipsoid, and all the lower convex supporting structures are arranged in a rectangular array.
15. The thin vapor chamber of claim 1, wherein: the first cover plate and the second cover plate are made of copper, copper alloy, aluminum alloy, titanium alloy or stainless steel materials.
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| CN201922170351.8U CN211823993U (en) | 2019-12-06 | 2019-12-06 | Thin type temperature equalizing plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922170351.8U CN211823993U (en) | 2019-12-06 | 2019-12-06 | Thin type temperature equalizing plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758328A (en) * | 2021-08-13 | 2021-12-07 | 中南大学 | Composite VC radiator containing copper/diamond composite-configuration liquid absorption cores and preparation method thereof |
| WO2024016408A1 (en) * | 2022-07-21 | 2024-01-25 | 瑞泰精密科技(沭阳)有限公司 | Vapor chamber cavity sealing process and vapor chamber |
-
2019
- 2019-12-06 CN CN201922170351.8U patent/CN211823993U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758328A (en) * | 2021-08-13 | 2021-12-07 | 中南大学 | Composite VC radiator containing copper/diamond composite-configuration liquid absorption cores and preparation method thereof |
| WO2024016408A1 (en) * | 2022-07-21 | 2024-01-25 | 瑞泰精密科技(沭阳)有限公司 | Vapor chamber cavity sealing process and vapor chamber |
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