WO2022202247A1 - 伝熱体 - Google Patents
伝熱体 Download PDFInfo
- Publication number
- WO2022202247A1 WO2022202247A1 PCT/JP2022/009673 JP2022009673W WO2022202247A1 WO 2022202247 A1 WO2022202247 A1 WO 2022202247A1 JP 2022009673 W JP2022009673 W JP 2022009673W WO 2022202247 A1 WO2022202247 A1 WO 2022202247A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat transfer
- fiber structure
- metal fiber
- metal
- core material
- Prior art date
Links
- 239000002470 thermal conductor Substances 0.000 title abstract 2
- 229910052751 metal Inorganic materials 0.000 claims abstract description 220
- 239000002184 metal Substances 0.000 claims abstract description 220
- 239000000835 fiber Substances 0.000 claims abstract description 214
- 239000011162 core material Substances 0.000 claims abstract description 95
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 33
- 229910052802 copper Inorganic materials 0.000 description 33
- 239000010949 copper Substances 0.000 description 33
- 230000000052 comparative effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 3
- 239000002759 woven fabric Substances 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229910052762 osmium Inorganic materials 0.000 description 2
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012765 fibrous filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/022—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being wires or pins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3736—Metallic materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3677—Wire-like or pin-like cooling fins or heat sinks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3733—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon having a heterogeneous or anisotropic structure, e.g. powder or fibres in a matrix, wire mesh, porous structures
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
Definitions
- the present invention relates to a heat transfer body for radiating heat from a heat-transferred object and applying heat to the heat-transferred object.
- heat transfer bodies have been used to dissipate heat from objects to be cooled, such as heat-generating electrical and electronic components, and to provide heat to objects to be heated.
- a heat conductor for example, one having a flat plate-shaped base and a plurality of projections standing from the upper surface of the base and arranged on each intersection of grid lines may be used.
- a heat transfer body for example, one disclosed in International Patent Application Publication No. WO2017/061307A1 is known.
- the heat transfer element disclosed in International Patent Application Publication WO2017/061307A1 has a flat plate-like base and a plurality of thin plate-like fins that are erected from the upper surface of the base and are arranged substantially parallel to each other. and the base and the plurality of fins are integrally formed.
- the fibrous filler is oriented in the planar direction in each of the base and each fin when the base and each fin are viewed from the thickness direction.
- the conventional heat transfer body described above has a problem that the strength of the fins themselves is small. Further, there is a demand for a heat conductor with improved thermal conductivity.
- the present invention has been made in consideration of such points, and an object of the present invention is to provide a heat transfer body that can increase the strength of the protruding portion and obtain a sufficient heat transfer effect.
- the heat transfer body of the present invention is a heat transfer section comprising metal; a projecting portion attached to the surface of the heat transfer portion and extending from the heat transfer portion; with The projecting portion has a core material made of a metal bulk body and a first metal fiber structure fused around the core material.
- FIG. 1 is a perspective view of a heat transfer body according to an embodiment of the invention
- FIG. FIG. 2 is a longitudinal sectional view showing an example of the configuration of a projecting portion and a heat transfer portion of the heat transfer body shown in FIG. 1
- FIG. 10 is a vertical cross-sectional view showing another example of the configuration of the projecting portion of the heat transfer body and the heat transfer portion
- FIG. 10 is a vertical cross-sectional view showing still another example of the configuration of the projecting portion of the heat transfer body and the heat transfer portion
- FIG. 10 is a vertical cross-sectional view showing still another example of the configuration of the projecting portion of the heat transfer body and the heat transfer portion
- FIG. 10 is a vertical cross-sectional view showing still another example of the configuration of the projecting portion of the heat transfer body and the heat transfer portion
- FIG. 10 is a vertical cross-sectional view showing still another example of the configuration of the projecting portion of the heat transfer body and the heat transfer portion
- FIG. 8 is a cross-sectional view showing still another example of the configuration of the projecting portion of the heat transfer body; 2. It is a photograph when cutting the heat conductor shown in FIG. 1 along the longitudinal cross-sectional view shown in FIG. 6 is a photograph of the heat transfer body shown in FIG. 1 cut along the vertical cross-sectional view shown in FIG. 5.
- FIG. FIG. 4 is a vertical cross-sectional view showing the configuration of a heat exchanger according to an example and modifications;
- FIG. 10 is a cross-sectional view of the heat exchanger shown in FIG. 9 taken along line AA.
- FIGS. 1 to 6 are diagrams showing a heat transfer body according to this embodiment.
- the heat transfer body according to the present embodiment is attached to a heat transfer object such as an electric component or an electronic component that generates heat, thereby radiating heat from the heat transfer object.
- the heat transfer element according to the present embodiment is attached to the surface of a cooling unit through which a medium such as cooling water or cooling gas passes, thereby forming a heat exchange unit that cools by taking heat from the surrounding environment. You may use it as a part.
- the heat transfer body 10 of the present embodiment includes a flat plate-shaped heat transfer portion 20 to be attached to a heat transfer target, and a heat transfer portion 20 attached to the surface of the heat transfer portion 20. and a plurality of cylindrical protrusions 30 extending from the heat section 20 .
- Each protruding portion 30 has a core material 32 made of a metal bulk body and a metal fiber structure 34 (first metal fiber structure) fused around the core material 32 . Metal fiber structure 34 is exposed.
- each projecting portion 30 is adhered to the heat transfer portion 20 with an adhesive material 36 containing metal paste. Note that each protruding portion 30 may be fused to the heat transfer portion 20 instead of being adhered thereto.
- FIG. 7 is a photograph of the heat transfer body 10 shown in FIG. 1 cut along the vertical cross-sectional view shown in FIG. This photograph was taken with a scanning electron microscope (SEM) manufactured by Nikon Corporation.
- SEM scanning electron microscope
- the heat transfer section 20 is composed of a metal bulk body such as copper or aluminum.
- a metal fiber sheet may be used.
- a metal-coated fiber may be used as the metal fiber contained in such a metal fiber sheet.
- the metal fiber contained in the metal fiber sheet is at least one of wet or dry non-woven fabric, woven fabric, mesh, and the like.
- a metal fiber non-woven fabric in which metal fibers are bound together is used as the metal fiber sheet.
- a metal fiber structure 34 is fused around a core material 32 made of a metal bulk body.
- the core material 32 is composed of a metal bulk body such as copper or aluminum.
- the metal fiber structure 34 includes a plurality of metal fibers.
- a metal-coated fiber may be used as the metal fiber contained in the metal fiber structure 34 .
- the metal fibers contained in the metal fiber structure 34 are at least one of wet or dry non-woven fabric, woven fabric, mesh, and the like.
- a metal fiber nonwoven fabric in which the metal fibers are bound together is used as the metal fiber structure 34.
- the metal that constitutes the metal fibers contained in the metal fiber structure 34 are not particularly limited, but are selected from the group consisting of stainless steel, iron, copper, aluminum, bronze, brass, nickel, chromium, etc. Alternatively, it may be a noble metal selected from the group consisting of gold, platinum, silver, palladium, rhodium, iridium, ruthenium, osmium, and the like. Among these, copper fiber and aluminum fiber are preferable because they have excellent thermal conductivity and have an appropriate balance between rigidity and plastic deformability.
- the ratio of the contact area of the metal fiber structure 34 to the area of the outer peripheral surface of the core material 32 at the joint interface between the core material 32 of the projecting portion 30 and the metal fiber structure 34 is within the range of 20% to 80%. preferably within the range of 30% to 70%, particularly preferably within the range of 40% to 60%.
- the ratio of the contact area of the metal fiber structure 34 to the area of the outer peripheral surface of the core material 32 is 20% or more, the heat transfer between the core material 32 and the metal fiber structure 34 becomes good.
- the ratio of the contact area of the metal fiber structure 34 to the area of the outer peripheral surface of the core material 32 is 80% or less, the metal fiber structure 34 is not excessively fused to the outer peripheral surface of the core material 32. can be suppressed.
- the space factor of the metal fibers in the metal fiber structure 34 is preferably within the range of 30% to 80%, more preferably within the range of 40% to 70%.
- the space factor of the metal fibers is 30% or more, the amount of the metal fibers is sufficient, and appropriate homogeneity can be obtained.
- the space factor of the metal fibers is 80% or less, desired flexibility can be obtained in addition to appropriate homogeneity.
- the “space factor of the metal fibers in the metal fiber structure 34 ” in this specification is the ratio of the portion where the metal fibers are present with respect to the volume of the metal fiber structure 34 .
- the abundance of metal fibers in a cross section obtained by cutting the metal fiber structure 34 is preferably within the range of 30% to 80%, more preferably within the range of 40% to 70%.
- the existence ratio of metal fibers in a cross section obtained by cutting the metal fiber structure 34 along a plane perpendicular to the longitudinal direction of the protruding portion 30 (vertical direction in FIG. 2) is within a range of 30% to 80%.
- the content of the metal fibers is 30% or more, the amount of the metal fibers is sufficient, and appropriate homogeneity can be obtained.
- the abundance ratio of the metal fibers is 80% or less, desired flexibility can be obtained in addition to appropriate homogeneity.
- the space factor of the metal fiber structure 34 increases.
- the space factor of the metal fiber structure 34 at the joint interface between the surface of the heat transfer section 20 and the projecting section 30 is preferably within the range of 40% to 80%.
- the bulk body forming the core material 32 in the projecting portion 30 and the metal fibers forming the metal fiber structure 34 are made of the same kind of metal. In this case, interfacial corrosion between the core material 32 and the metal fiber structure 34 can be suppressed. That is, when the type of metal forming the metal fibers contained in the metal fiber structure 34 is different from the type of metal forming the bulk body of the core material 32, current flows due to the potential difference between the two metals. This can cause holes to form in the metal. Note that the present embodiment is not limited to such a mode. In another aspect of the present embodiment, the bulk body forming the core material 32 and the metal fiber forming the metal fiber structure 34 in the projecting portion 30 may be made of different kinds of metals.
- the protruding portion 30 has the core material 32 made of a metal bulk body and the metal fiber structure 34 fused around the core material 32 . Therefore, it is possible to increase the strength of the projecting portion 30 and obtain a sufficient heat transfer effect. More specifically, the strength of the projecting portion 30 can be increased by using the core material 32 made of a metal bulk body. In addition, since the metal fiber structure 34 fused around the core material 32 is exposed, the surface area of the protruding portion 30 can be increased, and the fluid flowing around the protruding portion 30 becomes turbulent. occurs. As a result, the heat transfer property of the projecting portion 30 can be improved, so that the heat transfer body 10 can obtain a sufficient heat transfer effect.
- each projecting portion 30 since one end of each projecting portion 30 is adhered to the heat transfer portion 20 with the adhesive 36 containing metal paste, the bonding strength between each projecting portion 30 and the heat transfer portion 20 can be increased.
- FIG. 3 is a longitudinal sectional view showing another example of the configuration of the projecting portion of the heat transfer body and the heat transfer portion.
- the same components as those of the heat transfer body 10 shown in FIGS. 1 and 2 are denoted by the same reference numerals, and the description thereof is omitted.
- the heat transfer body 10a shown in FIG. A structure 34 is fused to the heat transfer section 20 . Further, when the metal fiber structure 34 of the projecting portion 30 is fused to the heat transfer portion 20, the metal fiber structure 34 is compressed between the core material 32 and the heat transfer portion 20 at the location indicated by reference numeral 34a. As a result, the space factor of the metal fiber structure 34 increases. In this case, the space factor of the metal fiber structure 34 at the joint interface between the surface of the heat transfer portion 20 and the protruding portion 30 is preferably in the range of 40% to 80%. By setting the space factor of the metal fiber structure 34 to 40% or more, heat transfer between the surface of the heat transfer portion 20 and the projecting portion 30 can be improved. Moreover, since the space factor of the metal fiber structure 34 is 80% or less, it is possible to prevent the metal fiber structure 34 from being excessively compressed.
- FIG. 4 is a vertical cross-sectional view showing still another example of the configuration of the projecting portion of the heat transfer body and the heat transfer portion.
- the same components as those of the heat transfer body 10 shown in FIGS. 1 and 2 are denoted by the same reference numerals, and the description thereof is omitted.
- the heat transfer body 10b shown in FIG. The core material 32 is exposed in the vicinity, and the exposed portion of the core material 32 (the portion indicated by reference numeral 32 a in FIG. 4 ) is fused to the heat transfer section 20 . Even with such a heat transfer body 10b, it is possible to increase the strength of the projecting portion 30 and obtain a sufficient heat transfer effect, like the heat transfer body 10 shown in FIGS.
- FIG. 5 is a longitudinal sectional view showing still another example of the configuration of the projecting portion of the heat transfer body and the heat transfer portion.
- the same components as those of the heat transfer body 10 shown in FIGS. 1 and 2 are given the same reference numerals, and the description thereof is omitted.
- 8 is a photograph of the heat transfer body 10c shown in FIG. 1 cut along the vertical cross-sectional view shown in FIG. This photograph was taken with a scanning electron microscope (SEM) manufactured by Nikon Corporation.
- SEM scanning electron microscope
- a metal-coated fiber may be used as the metal fiber contained in such a metal fiber sheet.
- the metal fiber contained in the metal fiber sheet is at least one of wet or dry non-woven fabric, woven fabric, mesh, and the like.
- a metal fiber non-woven fabric in which metal fibers are bound together is used as the metal fiber sheet.
- specific examples of metals constituting the metal fibers contained in the metal fiber sheet are not particularly limited, but are selected from the group consisting of stainless steel, iron, copper, aluminum, bronze, brass, nickel, chromium, etc.
- it may be a noble metal selected from the group consisting of gold, platinum, silver, palladium, rhodium, iridium, ruthenium, osmium, and the like.
- gold platinum, silver, palladium, rhodium, iridium, ruthenium, osmium, and the like.
- copper fiber and aluminum fiber are preferable because they have excellent thermal conductivity and have an appropriate balance between rigidity and plastic deformability.
- such a metal fiber sheet of the first layer 22 constitutes the second metal fiber structure in the claims.
- the metal fiber structure 34 of the projecting portion 30 is attached to the heat transfer portion 20 by the adhesive 36 permeating the metal fiber sheet of the first layer 22 of the heat transfer portion 20a. It is Further, when attaching the metal fiber structure 34 of the projecting portion 30 to the heat transfer portion 20, the metal fiber structure 34 is compressed between the core material 32 and the heat transfer portion 20 at the location indicated by reference numeral 34a. As a result, the space factor of the metal fiber structure 34 is increased. In this case, the space factor of the metal fiber structure 34 at the joint interface between the surface of the heat transfer portion 20 and the protruding portion 30 is preferably in the range of 40% to 80%.
- the space factor of the metal fiber structure 34 By setting the space factor of the metal fiber structure 34 to 40% or more, heat transfer between the surface of the heat transfer portion 20 and the projecting portion 30 can be improved. Moreover, since the space factor of the metal fiber structure 34 is 80% or less, it is possible to prevent the metal fiber structure 34 from being excessively compressed.
- each protruding portion 30 and The bonding strength with the heat transfer section 20a can be increased.
- FIG. 6 is a cross-sectional view showing still another example of the configuration of the cylindrical protrusion of the heat transfer body.
- the protruding part 40 shown in FIG. 6 is formed by fusion-bonding annular metal fiber structures 44 and 48 and another bulk body 46 made of metal around a core material 42 made of a bulk metal so as to form alternate layers. It is a rod-shaped object. Specifically, a metal fiber structure 44 is fused around the core material 42 , and another bulk body 46 is fused around the metal fiber structure 44 . A metal fiber structure 48 is fused around the other bulk body 46, and the metal fiber structure 48 is exposed.
- a heat transfer body having such protrusions 40 can also increase the strength of the protrusions 40 and obtain a sufficient heat transfer effect, like the heat transfer body 10 shown in FIGS. 1 and 2 . More specifically, the strength of the projecting portion 40 can be increased by using the core material 42 made of a metal bulk body. Moreover, since the metal fiber structure 48 is exposed, the surface area of the protrusion 30 can be increased, and turbulence is generated in the fluid flowing around the protrusion 40 . As a result, the heat transfer property of the projecting portion 40 can be improved, so that the heat transfer body can obtain a sufficient heat transfer effect.
- the projecting portion 30 is rod-shaped in the above description, the present embodiment is not limited to such an aspect.
- the plurality of protrusions attached to the surface of the heat transfer section 20 plate-shaped ones extending parallel to each other may be used.
- the heat exchangers 100 shown in FIGS. 9 and 10 were produced.
- water is supplied from the inlet 104 to the area 110 between the pair of plate-like members 102, and the water passes through the area between the pair of plate-like members 102 to the outlet. 106 to the outside.
- a region 110 formed between the plate members 102 is a rectangular parallelepiped space measuring 10 cm long, 10 cm wide, and 1.5 cm high.
- 990 cylindrical rod-shaped members 112 having an outer diameter of 2 mm and a height of 15 mm are provided.
- each rod-shaped member 112 Both ends of each rod-shaped member 112 are attached to each plate-shaped member 120, and each rod-shaped member 112 is arranged on each intersection of grid lines so as to extend in a direction orthogonal to each plate-shaped member 102.
- FIG. The distance between each rod-shaped member 112 is 3 mm. Water supplied to the region 110 from the inlet 104 passes between the bar members 112 and is discharged from the outlet 106 .
- a 10 cm square heater 108 was installed on one of the plate members 102 in the heat exchanger 100 .
- the power density of heater 108 was 3.2 W/cm 2 .
- water was supplied from the inlet 104 to the region 110 at 0.5 L/min, and after the water in the region 110 was heated by the heater 108 , the water was discharged from the outlet 106 .
- thermal conductivity was measured for rod-shaped members 112 shown in Examples 1 to 8 and Comparative Examples 1 and 2 below.
- each rod-shaped member 112 is composed of a cylindrical core material made of a copper bulk body and copper fibers fused around the core material.
- a metal fiber structure having a core material fused to the plate member 102 was used.
- the diameter of the core material was 2 mm
- the thickness of the metal fiber structure fused around the core material was 0.1 mm.
- the ratio of the contact area of the metal fiber structure to the area of the outer peripheral surface of the core material at the joint interface between the core material and the metal fiber structure was 50%.
- the space factor of copper fibers in the metal fiber structure was 54%.
- the existence ratio of the metal fibers in the cross section when the metal fiber structure was cut was 55%.
- the space factor of the metal fiber structure on the joint surface between the surface of the plate-like member 102 and the bar-like member 112 was 53%.
- each rod-shaped member 112 is composed of a cylindrical core made of a copper bulk body and copper fibers fused around the core.
- a metal fiber structure having a core material fused to the plate member 102 was used.
- the diameter of the core material was 2 mm
- the thickness of the metal fiber structure fused around the core material was 0.1 mm.
- the outer peripheral surface of the core material was first coated with nano-silver particles, and then the metal fiber structure was fused.
- the ratio of the contact area of the metal fiber structure to the area of the outer peripheral surface of the core material at the joint interface between the core material and the metal fiber structure was 77%.
- the space factor of copper fibers in the metal fiber structure was 56%.
- the existence ratio of the metal fibers in the cross section when the metal fiber structure was cut was 68%.
- the space factor of the metal fiber structure on the joint surface between the surface of the plate-like member 102 and the rod-like member 112 was 78%.
- each rod-shaped member 112 is composed of a cylindrical core made of a copper bulk body and copper fibers fused around the core.
- a metal fiber structure having a core material fused to the plate member 102 was used.
- the diameter of the core material was 2 mm
- the thickness of the metal fiber structure fused around the core material was 0.1 mm.
- the ratio of the contact area of the metal fiber structure to the area of the outer peripheral surface of the core material at the joint interface between the core material and the metal fiber structure was 72%.
- the space factor of copper fibers in the metal fiber structure was 79%.
- the existence ratio of the metal fibers in the cross section when the metal fiber structure was cut was 76%.
- the space factor of the metal fiber structure on the joint surface between the surface of the plate-like member 102 and the rod-like member 112 was 74%.
- each rod-shaped member 112 is composed of a cylindrical core material made of a copper bulk body and copper fibers fused around the core material.
- a metal fiber structure fused to the plate member 102 was used.
- the diameter of the core material was 2 mm
- the thickness of the metal fiber structure fused around the core material was 0.1 mm.
- the ratio of the contact area of the metal fiber structure to the area of the outer peripheral surface of the core material at the joint interface between the core material and the metal fiber structure was 23%.
- the space factor of copper fibers in the metal fiber structure was 32%.
- the existence ratio of the metal fibers in the cross section when the metal fiber structure was cut was 34%.
- the space factor of the metal fiber structure on the joint surface between the surface of the plate-like member 102 and the bar-like member 112 was 41%.
- each rod-shaped member 112 is composed of a cylindrical core material made of a copper bulk body and copper fibers fused around the core material.
- the metal fiber structure was fused to the plate-like member 102 with an adhesive containing nano-silver particles.
- the diameter of the core material was 2 mm
- the thickness of the metal fiber structure fused around the core material was 0.1 mm.
- the ratio of the contact area of the metal fiber structure to the area of the outer peripheral surface of the core material at the joint interface between the core material and the metal fiber structure was 40%.
- the space factor of the copper fibers in the metal fiber structure was 42%.
- the existence ratio of the metal fibers in the cross section when the metal fiber structure was cut was 42%.
- the space factor of the metal fiber structure on the joint surface between the surface of the plate-like member 102 and the bar-like member 112 was 41%.
- each rod-shaped member 112 is composed of a cylindrical core material made of a copper bulk body and copper fibers fused around the core material.
- a metal fiber structure having a core material fused to the plate member 102 was used.
- the diameter of the core material was 2 mm
- the thickness of the metal fiber structure fused around the core material was 0.1 mm.
- the ratio of the contact area of the metal fiber structure to the area of the outer peripheral surface of the core material at the joint interface between the core material and the metal fiber structure was 61%.
- the space factor of the copper fibers in the metal fiber structure was 61%.
- the existence ratio of the metal fibers in the cross section when the metal fiber structure was cut was 63%.
- the space factor of the metal fiber structure on the joint surface between the surface of the plate-like member 102 and the bar-like member 112 was 62%.
- each rod-shaped member 112 is composed of a cylindrical core made of a copper bulk body and copper fibers fused around the core.
- a metal fiber structure fused to the plate member 102 was used.
- the diameter of the core material was 2 mm
- the thickness of the metal fiber structure fused around the core material was 0.1 mm.
- the metal fiber structure 34 is fused to the plate-like member 102, the metal fiber structure between the core material and the plate-like member 102 is compressed, and the space factor of this metal fiber structure is high.
- the ratio of the contact area of the metal fiber structure to the area of the outer peripheral surface of the core material at the joint interface between the core material and the metal fiber structure was 21%.
- the space factor of copper fibers in the metal fiber structure was 32%.
- the existence ratio of the metal fibers in the cross section when the metal fiber structure was cut was 33%.
- the space factor of the metal fiber structure on the joint surface between the surface of the plate-like member 102 and the rod-like member 112 was 73%.
- each rod-shaped member 112 is composed of a cylindrical core material made of a copper bulk body and copper fibers fused around the core material.
- a metal fiber structure fused to the plate member 102 was used.
- the diameter of the core material was 2 mm
- the thickness of the metal fiber structure fused around the core material was 0.1 mm.
- the metal fiber structure 34 is fused to the plate-like member 102, the metal fiber structure between the core material and the plate-like member 102 is compressed, and the space factor of this metal fiber structure is high.
- the ratio of the contact area of the metal fiber structure to the area of the outer peripheral surface of the core material at the joint interface between the core material and the metal fiber structure was 55%.
- the space factor of copper fibers in the metal fiber structure was 58%.
- the existence ratio of the metal fibers in the cross section when the metal fiber structure was cut was 57%.
- the space factor of the metal fiber structure on the joint surface between the surface of the plate-like member 102 and the bar-like member 112 was 72%.
- each rod-shaped member 112 was made of a cylindrical metal fiber structure made of copper fiber.
- the diameter of such a metal fiber structure was 2.1 mm.
- the space factor of copper fibers in the metal fiber structure was 54%.
- the existence ratio of the metal fibers in the cross section when the metal fiber structure was cut was 54%.
- the space factor of the metal fiber structure on the joint surface between the surface of the plate-like member 102 and the bar-like member 112 was 53%.
- each bar-shaped member 112 was made of only a columnar core made of a copper bulk body.
- the diameter of the core material was 2.0 mm.
- the space factor of the rod-shaped member 112 on the joint surface between the surface of the plate-shaped member 102 and the rod-shaped member 112 was 100%.
- the rod-shaped member 112 according to Examples 1 to 10 had a breaking strength of 200 N/mm 2 or more, and sufficient breaking strength was maintained, whereas the rod-shaped member 112 according to Comparative Example 1 had a breaking strength of 35 N/mm 2 . , and the strength of the rod-shaped member 112 was inferior.
- the heat exchangers 100 having the rod-shaped members 112 according to Examples 1 to 10 had a thermal conductivity of 6,000 W/m 2 ⁇ k, and the heat exchangers 100 having the rod-shaped members 112 according to Comparative Examples 1 and 2 The thermal conductivity was relatively large. As described above, it was found that the heat exchangers 100 having the rod-shaped members 112 according to Examples 1 to 10 can obtain a sufficient heat transfer effect.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Laminated Bodies (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Gloves (AREA)
Abstract
Description
金属を含む伝熱部と、
前記伝熱部の表面に取り付けられ、当該伝熱部から延びる突出部と、
を備え、
前記突出部は、金属のバルク体からなる芯材と、前記芯材の周囲に融着された第1の金属繊維構造体とを有していることを特徴とする。
実施例1に係る熱交換器100では、各棒状部材112として、図4に示すような、銅のバルク体からなる円柱形状の芯材と、芯材の周囲に融着された銅繊維からなる金属繊維構造体とを有しており、芯材が板状部材102に融着されているものを用いた。ここで、芯材の直径は2mmであり、芯材の周囲に融着された金属繊維構造体の厚さは0.1mmであった。また、芯材と金属繊維構造体との接合界面における芯材の外周面の面積に対する金属繊維構造体の接地面積の割合が50%であった。また、金属繊維構造体における銅繊維の占積率が54%であった。また、金属繊維構造体を切断したときの断面における金属繊維の存在率が55%であった。また、板状部材102の表面と棒状部材112との接合表面における金属繊維構造体の占積率が53%であった。
実施例2に係る熱交換器100では、各棒状部材112として、図4に示すような、銅のバルク体からなる円柱形状の芯材と、芯材の周囲に融着された銅繊維からなる金属繊維構造体とを有しており、芯材が板状部材102に融着されているものを用いた。ここで、芯材の直径は2mmであり、芯材の周囲に融着された金属繊維構造体の厚さは0.1mmであった。また、芯材の周囲に金属繊維構造体を融着する際に、まず芯材の外周面にナノ銀粒子をコーティングし、その後金属繊維構造体を融着した。このような棒状部材112では、芯材と金属繊維構造体との接合界面における芯材の外周面の面積に対する金属繊維構造体の接地面積の割合が77%であった。また、金属繊維構造体における銅繊維の占積率が56%であった。また、金属繊維構造体を切断したときの断面における金属繊維の存在率が68%であった。また、板状部材102の表面と棒状部材112との接合表面における金属繊維構造体の占積率が78%であった。
実施例3に係る熱交換器100では、各棒状部材112として、図4に示すような、銅のバルク体からなる円柱形状の芯材と、芯材の周囲に融着された銅繊維からなる金属繊維構造体とを有しており、芯材が板状部材102に融着されているものを用いた。ここで、芯材の直径は2mmであり、芯材の周囲に融着された金属繊維構造体の厚さは0.1mmであった。また、芯材と金属繊維構造体との接合界面における芯材の外周面の面積に対する金属繊維構造体の接地面積の割合が72%であった。また、金属繊維構造体における銅繊維の占積率が79%であった。また、金属繊維構造体を切断したときの断面における金属繊維の存在率が76%であった。また、板状部材102の表面と棒状部材112との接合表面における金属繊維構造体の占積率が74%であった。
実施例4に係る熱交換器100では、各棒状部材112として、図3に示すような、銅のバルク体からなる円柱形状の芯材と、芯材の周囲に融着された銅繊維からなる金属繊維構造体とを有しており、金属繊維構造体が板状部材102に融着されているものを用いた。ここで、芯材の直径は2mmであり、芯材の周囲に融着された金属繊維構造体の厚さは0.1mmであった。また、芯材と金属繊維構造体との接合界面における芯材の外周面の面積に対する金属繊維構造体の接地面積の割合が23%であった。また、金属繊維構造体における銅繊維の占積率が32%であった。また、金属繊維構造体を切断したときの断面における金属繊維の存在率が34%であった。また、板状部材102の表面と棒状部材112との接合表面における金属繊維構造体の占積率が41%であった。
実施例5に係る熱交換器100では、各棒状部材112として、図2に示すような、銅のバルク体からなる円柱形状の芯材と、芯材の周囲に融着された銅繊維からなる金属繊維構造体とを有しており、金属繊維構造体がナノ銀粒子を含む接着剤により板状部材102に融着されているものを用いた。ここで、芯材の直径は2mmであり、芯材の周囲に融着された金属繊維構造体の厚さは0.1mmであった。また、芯材と金属繊維構造体との接合界面における芯材の外周面の面積に対する金属繊維構造体の接地面積の割合が40%であった。また、金属繊維構造体における銅繊維の占積率が42%であった。また、金属繊維構造体を切断したときの断面における金属繊維の存在率が42%であった。また、板状部材102の表面と棒状部材112との接合表面における金属繊維構造体の占積率が41%であった。
実施例6に係る熱交換器100では、各棒状部材112として、図4に示すような、銅のバルク体からなる円柱形状の芯材と、芯材の周囲に融着された銅繊維からなる金属繊維構造体とを有しており、芯材が板状部材102に融着されているものを用いた。ここで、芯材の直径は2mmであり、芯材の周囲に融着された金属繊維構造体の厚さは0.1mmであった。このような棒状部材112では、芯材と金属繊維構造体との接合界面における芯材の外周面の面積に対する金属繊維構造体の接地面積の割合が61%であった。また、金属繊維構造体における銅繊維の占積率が61%であった。また、金属繊維構造体を切断したときの断面における金属繊維の存在率が63%であった。また、板状部材102の表面と棒状部材112との接合表面における金属繊維構造体の占積率が62%であった。
実施例7に係る熱交換器100では、各棒状部材112として、図3に示すような、銅のバルク体からなる円柱形状の芯材と、芯材の周囲に融着された銅繊維からなる金属繊維構造体とを有しており、金属繊維構造体が板状部材102に融着されているものを用いた。ここで、芯材の直径は2mmであり、芯材の周囲に融着された金属繊維構造体の厚さは0.1mmであった。また、金属繊維構造体34を板状部材102に融着する際に、芯材と板状部材102との間にある金属繊維構造体を圧縮し、この金属繊維構造体の占積率が高くなるようにした。このような棒状部材112では、芯材と金属繊維構造体との接合界面における芯材の外周面の面積に対する金属繊維構造体の接地面積の割合が21%であった。また、金属繊維構造体における銅繊維の占積率が32%であった。また、金属繊維構造体を切断したときの断面における金属繊維の存在率が33%であった。また、板状部材102の表面と棒状部材112との接合表面における金属繊維構造体の占積率が73%であった。
実施例8に係る熱交換器100では、各棒状部材112として、図3に示すような、銅のバルク体からなる円柱形状の芯材と、芯材の周囲に融着された銅繊維からなる金属繊維構造体とを有しており、金属繊維構造体が板状部材102に融着されているものを用いた。ここで、芯材の直径は2mmであり、芯材の周囲に融着された金属繊維構造体の厚さは0.1mmであった。また、金属繊維構造体34を板状部材102に融着する際に、芯材と板状部材102との間にある金属繊維構造体を圧縮し、この金属繊維構造体の占積率が高くなるようにした。このような棒状部材112では、芯材と金属繊維構造体との接合界面における芯材の外周面の面積に対する金属繊維構造体の接地面積の割合が55%であった。また、金属繊維構造体における銅繊維の占積率が58%であった。また、金属繊維構造体を切断したときの断面における金属繊維の存在率が57%であった。また、板状部材102の表面と棒状部材112との接合表面における金属繊維構造体の占積率が72%であった。
比較例1に係る熱交換器100では、各棒状部材112として、銅繊維からなる円柱形状の金属繊維構造体から構成されるものを用いた。このような金属繊維構造体の直径は2.1mmであった。このような棒状部材112では、金属繊維構造体における銅繊維の占積率が54%であった。また、金属繊維構造体を切断したときの断面における金属繊維の存在率が54%であった。また、板状部材102の表面と棒状部材112との接合表面における金属繊維構造体の占積率が53%であった。
比較例2に係る熱交換器100では、各棒状部材112として、銅のバルク体からなる円柱形状の芯材のみからなるものを用いた。芯材の直径は2.0mmであった。このような棒状部材112では、板状部材102の表面と棒状部材112との接合表面における棒状部材112の占積率が100%であった。
実施例1~8および比較例1~2に係る棒状部材112を有する熱交換器100について、各棒状部材112の破断強度および熱交換器100の熱伝導率を測定した。測定結果を以下の表1および表2に示す。
Claims (12)
- 金属を含む伝熱部と、
前記伝熱部の表面に取り付けられ、当該伝熱部から延びる突出部と、
を備え、
前記突出部は、金属のバルク体からなる芯材と、前記芯材の周囲に融着された第1の金属繊維構造体とを有している、伝熱体。 - 前記突出部の一端が金属ペーストを含む接着材により前記伝熱部に接着または融着されている、請求項1記載の伝熱体。
- 前記突出部の前記第1の金属繊維構造体が前記伝熱部に融着されている、請求項1記載の伝熱体。
- 前記突出部の前記芯材が前記伝熱部に融着されている、請求項1記載の伝熱体。
- 前記伝熱部は、第2の金属繊維構造体を含む表面層を有し、前記突出部は前記表面層の表面に取り付けられている、請求項1乃至4のいずれか一項に記載の伝熱体。
- 前記突出部の前記芯材と前記第1の金属繊維構造体との接合界面における前記芯材の外周面の面積に対する前記第1の金属繊維構造体の接地面積の割合が20%~80%の範囲内である、請求項1乃至5のいずれか一項に記載の伝熱体。
- 前記第1の金属繊維構造体における金属繊維の占積率が30%から80%の範囲内である、請求項1乃至6のいずれか一項に記載の伝熱体。
- 前記第1の金属繊維構造体を切断した断面における金属繊維の存在率が30%から80%の範囲内である、請求項1乃至7のいずれか一項に記載の伝熱体。
- 前記伝熱部の表面と前記突出部との接合界面における前記第1の金属繊維構造体の占積率が40%~80%の範囲内の大きさである、請求項2または3記載の伝熱体。
- 前記伝熱部は、第2の金属繊維構造体を含む表面層を有し、前記突出部は前記表面層の表面に取り付けられている、請求項9記載の伝熱体。
- 前記突出部は棒状または板状のものである、請求項1乃至10のいずれか一項に記載の伝熱体。
- 前記突出部は、前記芯材の周囲に円環状の第1の金属繊維構造体および金属からなる別のバルク体が交互に多層となるよう融着される棒状のものである、請求項1乃至10のいずれか一項に記載の伝熱体。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22775041.1A EP4318573A1 (en) | 2021-03-25 | 2022-03-07 | Thermal conductor |
KR1020237030796A KR20230142606A (ko) | 2021-03-25 | 2022-03-07 | 전열체 |
JP2023508919A JPWO2022202247A1 (ja) | 2021-03-25 | 2022-03-07 | |
CN202280023361.0A CN117083710A (zh) | 2021-03-25 | 2022-03-07 | 传热体 |
US18/551,124 US20240167772A1 (en) | 2021-03-25 | 2022-03-07 | Thermal conductor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021052418 | 2021-03-25 | ||
JP2021-052418 | 2021-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022202247A1 true WO2022202247A1 (ja) | 2022-09-29 |
Family
ID=83397055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/009673 WO2022202247A1 (ja) | 2021-03-25 | 2022-03-07 | 伝熱体 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20240167772A1 (ja) |
EP (1) | EP4318573A1 (ja) |
JP (1) | JPWO2022202247A1 (ja) |
KR (1) | KR20230142606A (ja) |
CN (1) | CN117083710A (ja) |
TW (1) | TWI815354B (ja) |
WO (1) | WO2022202247A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5736495U (ja) * | 1980-08-08 | 1982-02-26 | ||
JP2000101004A (ja) * | 1998-09-24 | 2000-04-07 | Tomoegawa Paper Co Ltd | 放熱シート |
WO2016002870A1 (ja) * | 2014-07-02 | 2016-01-07 | 三菱マテリアル株式会社 | 多孔質アルミニウム熱交換部材 |
WO2017061307A1 (ja) | 2015-10-08 | 2017-04-13 | 住友ベークライト株式会社 | 放熱フィン、放熱フィンの製造方法、および放熱フィンを備える半導体パッケージ |
JP2017135227A (ja) * | 2016-01-27 | 2017-08-03 | 三菱マテリアル株式会社 | ヒートシンク |
WO2021070470A1 (ja) * | 2019-10-09 | 2021-04-15 | 株式会社巴川製紙所 | 伝熱体、熱交換ユニットおよび伝熱体取付方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6481494B2 (ja) * | 2014-05-15 | 2019-03-13 | Tdk株式会社 | 無機フィラー含有エポキシ樹脂硬化物およびこれを用いた積層板 |
SG11201906941RA (en) * | 2017-01-31 | 2019-08-27 | Toray Industries | Integrally molded body and method for producing same |
-
2022
- 2022-03-07 KR KR1020237030796A patent/KR20230142606A/ko unknown
- 2022-03-07 JP JP2023508919A patent/JPWO2022202247A1/ja active Pending
- 2022-03-07 US US18/551,124 patent/US20240167772A1/en active Pending
- 2022-03-07 CN CN202280023361.0A patent/CN117083710A/zh active Pending
- 2022-03-07 EP EP22775041.1A patent/EP4318573A1/en active Pending
- 2022-03-07 WO PCT/JP2022/009673 patent/WO2022202247A1/ja active Application Filing
- 2022-03-16 TW TW111109623A patent/TWI815354B/zh active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5736495U (ja) * | 1980-08-08 | 1982-02-26 | ||
JP2000101004A (ja) * | 1998-09-24 | 2000-04-07 | Tomoegawa Paper Co Ltd | 放熱シート |
WO2016002870A1 (ja) * | 2014-07-02 | 2016-01-07 | 三菱マテリアル株式会社 | 多孔質アルミニウム熱交換部材 |
WO2017061307A1 (ja) | 2015-10-08 | 2017-04-13 | 住友ベークライト株式会社 | 放熱フィン、放熱フィンの製造方法、および放熱フィンを備える半導体パッケージ |
JP2017135227A (ja) * | 2016-01-27 | 2017-08-03 | 三菱マテリアル株式会社 | ヒートシンク |
WO2021070470A1 (ja) * | 2019-10-09 | 2021-04-15 | 株式会社巴川製紙所 | 伝熱体、熱交換ユニットおよび伝熱体取付方法 |
Also Published As
Publication number | Publication date |
---|---|
TW202245175A (zh) | 2022-11-16 |
JPWO2022202247A1 (ja) | 2022-09-29 |
TWI815354B (zh) | 2023-09-11 |
US20240167772A1 (en) | 2024-05-23 |
KR20230142606A (ko) | 2023-10-11 |
CN117083710A (zh) | 2023-11-17 |
EP4318573A1 (en) | 2024-02-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2005204184B2 (en) | Heat sink | |
US9593894B2 (en) | Thermal interface material and related systems and methods | |
CN112890302A (zh) | 用于加热雾化的发热机构及其雾化装置 | |
IL108860A (en) | Heat radiating element | |
WO2019044949A1 (ja) | ヒートシンク | |
WO2022202247A1 (ja) | 伝熱体 | |
US20170067702A1 (en) | Heat transfer device and method of making heat transfer device | |
JP2019220614A5 (ja) | ||
US20230282495A1 (en) | Temperature control unit | |
WO2021070470A1 (ja) | 伝熱体、熱交換ユニットおよび伝熱体取付方法 | |
KR102323142B1 (ko) | 발열체 및 이를 포함하는 차량공조용 히터 | |
CN214710378U (zh) | 用于加热雾化的发热机构及其雾化装置 | |
JP7288961B2 (ja) | 温調ユニット | |
JP5369022B2 (ja) | 静電霧化装置 | |
WO2022174417A1 (zh) | 用于加热雾化的发热机构及其雾化装置 | |
CN217283828U (zh) | 一种结构改进的散热片 | |
IT201800009499A1 (it) | Elemento ad aletta composto e dissipatore termico dotato di una pluralità di tali elementi | |
JP2019041076A (ja) | 放熱装置用フィン及び放熱装置 | |
TW202403217A (zh) | 配管加熱構造體及配管加熱構造連結體 | |
TWI327268B (en) | Heat dissipation device | |
KR101223678B1 (ko) | 발열 기판 및 그 제조 방법 | |
CN201029247Y (zh) | 一种新型发热组件 | |
JP2020043306A (ja) | 冷却器 | |
JPH0513153A (ja) | 正特性サーミスタ発熱装置 | |
TW201211490A (en) | Plate-type heat pipe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22775041 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2023508919 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20237030796 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020237030796 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18551124 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280023361.0 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022775041 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2022775041 Country of ref document: EP Effective date: 20231025 |