WO2022196066A1 - 電子機器の放熱構造 - Google Patents
電子機器の放熱構造 Download PDFInfo
- Publication number
- WO2022196066A1 WO2022196066A1 PCT/JP2022/001280 JP2022001280W WO2022196066A1 WO 2022196066 A1 WO2022196066 A1 WO 2022196066A1 JP 2022001280 W JP2022001280 W JP 2022001280W WO 2022196066 A1 WO2022196066 A1 WO 2022196066A1
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- WO
- WIPO (PCT)
- Prior art keywords
- heat
- substrate
- area
- case
- generating component
- Prior art date
Links
- 239000000758 substrate Substances 0.000 claims abstract description 79
- 230000017525 heat dissipation Effects 0.000 claims description 64
- 239000004020 conductor Substances 0.000 description 15
- 230000005855 radiation Effects 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- 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
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/427—Cooling by change of state, e.g. use of heat pipes
-
- 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
- H01L23/3675—Cooling facilitated by shape of device characterised by the shape of the housing
-
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
- H05K3/0061—Laminating printed circuit boards onto other substrates, e.g. metallic substrates onto a metallic substrate, e.g. a heat sink
-
- 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
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
- H05K1/0206—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate by printed thermal vias
Definitions
- the present disclosure relates to a heat dissipation structure for electronic equipment.
- Patent Document 1 discloses a heat dissipation structure for a semiconductor module mounted on a multilayer substrate. That is, in the technique described in Patent Document 1, a semiconductor module is mounted on a multilayer board, and the semiconductor module and the multilayer board are housed in a housing part. The housing component is attached to the multilayer board.
- the multilayer substrate is provided with the surface heat conductor and the inner layer heat conductor, and the surface heat conductor and the inner layer heat conductor are connected by vias.
- a surface heat conductor, an inner layer heat conductor, and vias form a heat radiation path from a semiconductor module to a housing component (see, for example, claim 1 of Patent Document 1 and FIG. 1).
- a surface heat conductor and an inner layer heat conductor are included in the heat dissipation path from the semiconductor module to the housing component.
- These heat conductors are provided in individual layers in the multilayer substrate and are thin in shape. Since such a thin heat conductor is included in the heat dissipation path, it is difficult to increase the cross-sectional area of the heat dissipation path, particularly in the stacking direction of the multilayer substrate. As a result, there is a problem that it is difficult to realize efficient heat dissipation.
- An object of the present disclosure is to provide a heat dissipation structure having a heat dissipation path capable of efficiently dissipating heat in view of the above-described problems.
- a heat dissipation structure for an electronic device includes a substrate, a heat-generating component mounted on the substrate, a case attached to the substrate and having a shape that at least partially covers the heat-generating component, and a case and a heat dissipating member thermally connected to the substrate, and a filled via group is provided on the substrate, and the filled via group includes a first region including a region where the heat generating component contacts the substrate, and a region where the case contacts the substrate.
- the filled via group forms a heat radiation path from the heat-generating component to the case.
- FIG. 1 is an explanatory diagram showing the outline of the structure of the electronic device according to the first embodiment.
- FIG. 2 is an explanatory diagram showing an example of heat dissipation paths in the electronic device according to the first embodiment.
- FIG. 3 is an explanatory diagram showing an overview of the structure of an electronic device for comparison.
- FIG. 4 is an explanatory diagram showing an example of a heat dissipation path in an electronic device for comparison.
- FIG. 5 is a perspective view showing a specific example of the shape of the case in the electronic device according to the first embodiment.
- FIG. 6 is a perspective view showing a specific example of the shape of the case in the electronic device according to the first embodiment, and a specific example of the arrangement position of the heat-generating component on the substrate.
- FIG. 7A is a plan view showing a specific example of the first area, the second area, and the third area in the electronic device according to the first embodiment
- FIG. 7B is a plan view showing a specific example of the arrangement of filled via groups in the electronic device according to the first embodiment
- FIG. 8A is a plan view showing another specific example of the first area, the second area, and the third area in the electronic device according to the first embodiment
- FIG. 8B is a plan view showing another specific example of the arrangement of filled via groups in the electronic device according to the first embodiment
- FIG. 1 is an explanatory diagram showing the outline of the structure of the electronic device according to the first embodiment. The structure of the electronic device according to the first embodiment will be described with reference to FIG.
- the electronic device 100 includes a substrate 1.
- the substrate 1 is configured by, for example, a multilayer substrate.
- Circuit components capable of generating heat (hereinafter referred to as “heat generating components”) 2 are mounted on the substrate 1 .
- the heat-generating component 2 has a structure in which a body portion (hereinafter referred to as “heat-generating portion”) 21 capable of generating heat is covered with a package 22 .
- a case 3 is attached to the substrate 1.
- the case 3 is made of metal (for example, made of aluminum alloy).
- Case 3 is provided so as to at least partially cover heat-generating component 2 .
- case 3 has a shape that at least partially covers heat-generating component 2 .
- the case 3 has a substantially box-like shape, and the entire heat-generating component 2 is covered with the case 3 .
- FIG. 5 and 6 A specific example of the shape of the case 3 will be described later with reference to FIGS. 5 and 6.
- a gap is formed between each surface portion of the heat generating component 2 and the corresponding surface portion of the case 3 while the heat generating component 2 is covered with the case 3 .
- case 3 has a size large enough to form these gaps.
- G indicates the gap between the top surface of the heat-generating component 2 and the top surface of the case 3 .
- D indicates the distance between the top surface of the heat-generating component 2 and the top surface of the case 3 .
- the electronic device 100 includes a heat dissipation member 4.
- the heat radiating member 4 uses, for example, a so-called "heat pipe". That is, the heat radiating member 4 includes a substantially plate-like (more specifically, substantially rectangular plate-like) body portion 41 .
- a heat sink 42 is provided on one side of the body portion 41 .
- the heat sink 42 is cooled by a cooling fan (not shown).
- a heat pipe (not shown) is provided along the plate surface portion of the main body portion 41 . Such heat pipes are thermally connected to the heat sink 42 . In this manner, the main part of the heat radiating member 4 is constructed.
- the case 3 is thermally connected to the heat dissipation member 4. Specifically, for example, the top surface of the case 3 is in contact with the plate surface of the main body 41 of the heat radiating member 4 , so that the case 3 is thermally connected to the heat radiating member 4 .
- the substrate 1, the heat-generating component 2, and the case 3 are housed in a housing (not shown). At least the body portion 41 of the heat dissipation member 4 is also accommodated in the housing.
- the substrate 1 is provided with a plurality of filled vias 11 .
- one filled via out of a plurality of filled vias is denoted by "11".
- each two adjacent filled vias 11 among the plurality of filled vias 11 are arranged close to each other.
- the plurality of filled vias 11 are densely arranged.
- a plurality of filled vias 11 densely arranged constitute a filled via group 12 .
- each filled via 11 penetrates multiple layers of the multilayer substrate. Specifically, for example, each filled via 11 penetrates all layers inside the multilayer substrate.
- Each filled via 11 is filled with a metal (for example, copper).
- the heat-generating component 2 is mounted on the substrate 1. Therefore, the substrate 1 has a region where the heat-generating component 2 contacts the substrate 1 .
- a predetermined area including at least a part of such areas is hereinafter referred to as a "first area".
- A1 indicates an example of the first area. A specific example of the first area A1 will be described later with reference to FIG. 7A or FIG. 8A.
- the case 3 is attached to the substrate 1 . Therefore, the substrate 1 has a region where the case 3 contacts the substrate 1 .
- a predetermined area including at least a part of such areas is hereinafter referred to as a "second area".
- A2 indicates an example of the second area. A specific example of the second area A2 will be described later with reference to FIG. 7A or FIG. 8A.
- the substrate 1 has a region between the first region A1 and the second region A2.
- a predetermined area including at least a part of such areas is hereinafter referred to as a "third area".
- A3 indicates an example of the third area.
- a specific example of the third area A3 will be described later with reference to FIG. 7A or FIG. 8A.
- the filled via group 12 is arranged over the first area A1, the second area A2 and the third area A3. That is, the plurality of filled vias 11 are arranged continuously over the first area A1, the second area A2 and the third area A3. Thereby, the heat-generating component 2 is thermally connected to the case 3 through the filled via group 12 . In other words, the filled via group 12 forms a heat radiation path from the heat generating component 2 to the case 3 .
- FIG. 7B or FIG. 8B A specific example of the arrangement of the filled via group 12 on the substrate 1 will be described later with reference to FIG. 7B or FIG. 8B.
- the heat generated by the heat-generating component 2 is transferred to the case 3 through the filled via group 12.
- the heat transferred to the case 3 is transferred to the body portion 41 via the contact surface portion between the case 3 and the body portion 41 of the heat radiating member 4 .
- the heat transferred to the body portion 41 is transferred to the heat sink 42 through a heat pipe (not shown).
- the heat sink 42 is cooled by a fan (not shown). In this way, the heat generated by the heat-generating component 2 is dissipated. Arrows in FIG. 2 indicate examples of such heat dissipation paths.
- the electronic device 100' includes a substrate 1', a heat-generating component 2', a case 3', and a heat dissipation member 4'.
- the substrate 1', the heat-generating component 2', the case 3', and the heat-radiating member 4' are the same as the substrate 1, the heat-generating component 2, the case 3, and the heat-radiating member 4 of the electronic device 100, respectively. That is, the heat generating portion 21' and the package 22' of the heat generating component 2' are the same as the heat generating portion 21 and the package 22 of the heat generating component 2, respectively.
- the body portion 41' and the heat sink 42' of the heat dissipation member 4' are similar to the body portion 41 and the heat sink 42 of the heat dissipation member 4, respectively.
- a filled via group corresponding to the filled via group 12 is not provided on the substrate 1'.
- a heat dissipation sheet 5' is provided between the top surface of the heat generating component 2' and the top surface of the case 3'.
- the heat dissipation sheet 5' is adhered, for example, to the package 22' of the heat generating component 2'.
- the heat-generating component 2' is thermally connected to the case 3' through a heat-dissipating sheet 5'.
- the heat radiation sheet 5' forms a heat radiation path from the heat generating component 2' to the case 3'.
- D' indicates the distance between the top surface of the heat-generating component 2' and the top surface of the case 3'.
- the interval D' is set to a value according to the thickness of the heat dissipation sheet 5'.
- the substrate 1', the heat-generating component 2', the case 3', and the heat dissipation sheet 5' are housed in a housing (not shown). At least the body portion 41' of the heat radiating member 4' is also accommodated in the housing.
- the heat generated by the heat-generating component 2' is transferred to the case 3' through the heat-dissipating sheet 5'.
- the heat transferred to the case 3' is transferred to the main body portion 41' via the contact surface portion between the case 3' and the main body portion 41' of the heat radiating member 4'.
- the heat transferred to the body portion 41' is transferred to the heat sink 42' through a heat pipe (not shown).
- the heat sink 42' is cooled by a fan (not shown). In this manner, heat dissipation for the heat generated by the heat-generating component 2' is achieved. Arrows in FIG. 4 indicate examples of such heat dissipation paths.
- the thermal connection between the heat-generating component 2' and the case 3' is due to the heat dissipation sheet 5'. Therefore, if the heat dissipation sheet 5' cannot be provided for some reason (for example, the material of the package 22 or mechanical interference with other parts), there is a problem that such a heat dissipation structure cannot be adopted. Moreover, there is a problem that the number of parts increases due to the provision of the heat radiation sheet 5'. Moreover, since the distance D' cannot be made smaller than the thickness of the heat dissipation sheet 5', there is a problem that it is difficult to reduce the thickness of the electronic device 100'.
- the heat-generating component 2 and the case 3 are thermally connected by the filled via group 12 of the substrate 1 .
- the number of parts can be reduced compared to the electronic device 100'.
- the distance D can be set to a value smaller than the thickness of the heat dissipation sheet 5'. In other words, the distance D can be smaller than the distance D'. Therefore, the thickness of the electronic device 100 can be reduced as compared with the electronic device 100'.
- the heat dissipation path from the semiconductor module to the housing component includes the surface heat conductor and the inner layer heat conductor. These heat conductors are provided in individual layers in the multilayer substrate and are thin in shape. Since such a thin heat conductor is included in the heat dissipation path, it is difficult to increase the cross-sectional area of the heat dissipation path, particularly in the stacking direction of the multilayer substrate. As a result, there is a problem that it is difficult to realize efficient heat dissipation.
- a heat dissipation path from the heat generating component 2 to the case 3 is formed by the filled via group 12 arranged over the first area A1, the second area A2 and the third area A3.
- efficient heat dissipation can be realized.
- FIG. 5 a specific example of the arrangement position of the heat-generating component 2 on the substrate 1 will be described.
- the outer shape of the case 3 is substantially rectangular parallelepiped.
- a plate surface portion of the substrate 1 is provided with a plurality of areas A4_1 to A4_3 in which circuit components can be mounted (hereinafter referred to as "mounting areas").
- wall-like partitions 31_1 and 31_2 are formed inside the case 3 so as to partition the mounting areas A4 adjacent to each other.
- the heat-generating component 2 is arranged near the corner of the mounting area A4_1.
- the heat-generating component 2 is placed near the corner of the mounting area A4_1.
- the first area A1, the second area A2, and the third area A3 in the examples shown in FIGS. 7A and 7B are set as follows, for example.
- the entire area where the heat-generating component 2 contacts the substrate 1 is set as the first area A1.
- the area where the case 3 contacts the substrate 1 an area within a range of a predetermined distance from the heat-generating component 2 is set as the second area A2.
- the mounting area A4_1 the area between the set first area A1 and the set second area A2 is set as the third area A3.
- an area where the filled via 11 cannot be provided due to wiring or the like (not shown) is excluded from the third area A3.
- FIG. 7B shows an example of filled via groups 12 corresponding to the first area A1, second area A2 and third area A3 shown in FIG. 7A.
- the filled via group 12 is arranged over the first area A1, the second area A2 and the third area A3. That is, a plurality of filled vias 11 are arranged continuously over the first area A1, the second area A2 and the third area A3. Thereby, a heat radiation path from the heat-generating component 2 to the case 3 is formed.
- the filled via group 12 is composed of one group.
- the filled via group 12 may be divided into a plurality of groups. Specifically, for example, as shown in FIGS. 8A and 8B, the filled via group 12 may be divided into two groups.
- the first area A1, the second area A2, and the third area A3 in the examples shown in FIGS. 8A and 8B are set as follows, for example.
- the areas where the heat-generating component 2 contacts the substrate 1 are set as the first areas A1. Thereby, as shown in FIG. 8A, two first areas A1 separated from each other are set.
- an area within a range of a predetermined distance from the heat-generating component 2 is set as the second area A2.
- areas near the corners of the substrate 1 are excluded from the second area A2.
- the area between each first area A1 and the corresponding second area A2 is set as the third area A3.
- the third area A3 thereby, as shown in FIG. 8A, two third areas A3 separated from each other are set.
- an area where the filled via 11 cannot be provided due to wiring or the like (not shown) is excluded from the third area A3.
- FIG. 8B shows an example of filled via groups 12 corresponding to the first area A1, second area A2 and third area A3 shown in FIG. 8A.
- the filled via group 12 is divided into two groups.
- individual groups are arranged over a first area A1, a second area A2 and a third area A3.
- two heat radiation paths are formed from the heat generating component 2 to the case 3 .
- the shape of the case 3 may be any shape that at least partially covers the heat-generating component 2 . That is, the shape of the case 3 is not limited to a substantially box-like shape. Moreover, the shape of the case 3 is not limited to the specific examples shown in FIGS. The shape of the case 3 may be, for example, a shape having an opening (substantially cylindrical, etc.).
- the first area A1, second area A2 and third area A3 are not limited to the specific examples shown in FIG. 7A or FIG. 8A. That is, the arrangement of the filled via group 12 on the substrate 1 is not limited to the specific examples shown in FIG. 7B or FIG. 8B.
- the first area A1, the second area A2, and the third area A3 are set as areas arranged continuously so that the filled via group 12 forms a heat radiation path from the heat-generating component 2 to the case 3. Good to have.
- the arrangement position of the heat-generating component 2 on the substrate 1 is not limited to the specific example shown in FIG.
- the heat-generating component 2 may be arranged in the central portion of the mounting area A4_1.
- the length of the heat dissipation path inside the substrate 1 that is, the length of the heat dissipation path by the filled via group 12
- the length of the heat dissipation path inside the substrate 1 can be shortened.
- more efficient heat dissipation can be achieved.
- the heat dissipation member 4 is not limited to a heat dissipation member using a heat pipe.
- the heat radiating member 4 may be any member as long as it is thermally connected to the case 3 .
- [Appendix] [Appendix 1] a substrate; a heat-generating component mounted on the substrate; a case attached to the substrate and having a shape that at least partially covers the heat-generating component; and a heat dissipation member thermally connected to the case,
- a filled via group is provided on the substrate,
- the filled via group includes a first region including a region where the heat-generating component contacts the substrate, a second region including a region where the case contacts the substrate, and a space between the first region and the second region. It is arranged over a third area including the area,
- a heat dissipation structure for an electronic device wherein the filled via group forms a heat dissipation path from the heat generating component to the case.
- the substrate is a multilayer substrate, The heat dissipation structure according to appendix 1, wherein each filled via included in the filled via group penetrates a plurality of layers in the multilayer substrate.
- Appendix 4 3. The heat dissipation structure according to any one of appendices 1 to 3, wherein the case has a shape that entirely covers the heat-generating component.
- Appendix 5 The heat dissipation structure according to any one of appendices 1 to 4, wherein the heat dissipating member uses a heat pipe.
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Abstract
Description
[第1実施形態]
図1は、第1実施形態に係る電子機器の構造の概要を示す説明図である。図1を参照して、第1実施形態に係る電子機器の構造について説明する。
[付記]
[付記1]
基板と、
前記基板に実装された発熱部品と、
前記基板に取り付けられており、かつ、前記発熱部品を少なくとも部分的に覆う形状を有するケースと、
前記ケースと熱的に接続された放熱部材と、を備え、
前記基板にフィルドビア群が設けられており、
前記フィルドビア群は、前記発熱部品が前記基板に接触する領域を含む第1領域、前記ケースが前記基板に接触する領域を含む第2領域、及び前記第1領域と前記第2領域との間の領域を含む第3領域に亘り配置されており、
前記フィルドビア群により前記発熱部品から前記ケースへの放熱経路が形成されている
ことを特徴とする電子機器の放熱構造。
前記基板は、多層基板であり、
前記フィルドビア群に含まれる個々のフィルドビアは、前記多層基板における複数個の層を貫通している
ことを特徴とする付記1に記載の放熱構造。
前記個々のフィルドビアは、前記多層基板の内部における全ての層を貫通していることを特徴とする付記2に記載の放熱構造。
前記ケースは、前記発熱部品の全体を覆う形状を有することを特徴とする付記1から付記3のうちのいずれか一つに記載の放熱構造。
前記放熱部材は、ヒートパイプを用いたものであることを特徴とする付記1から付記4のうちのいずれか一つに記載の放熱構造。
2 発熱部品
3 ケース
4 放熱部材
11 フィルドビア
12 フィルドビア群
21 発熱部
22 パッケージ
31_1 仕切り部
31_2 仕切り部
41 本体部
42 ヒートシンク
100 電子機器
Claims (5)
- 基板と、
前記基板に実装された発熱部品と、
前記基板に取り付けられており、かつ、前記発熱部品を少なくとも部分的に覆う形状を有するケースと、
前記ケースと熱的に接続された放熱部材と、を備え、
前記基板にフィルドビア群が設けられており、
前記フィルドビア群は、前記発熱部品が前記基板に接触する領域を含む第1領域、前記ケースが前記基板に接触する領域を含む第2領域、及び前記第1領域と前記第2領域との間の領域を含む第3領域に亘り配置されており、
前記フィルドビア群により前記発熱部品から前記ケースへの放熱経路が形成されている
ことを特徴とする電子機器の放熱構造。 - 前記基板は、多層基板であり、
前記フィルドビア群に含まれる個々のフィルドビアは、前記多層基板における複数個の層を貫通している
ことを特徴とする請求項1に記載の放熱構造。 - 前記個々のフィルドビアは、前記多層基板の内部における全ての層を貫通していることを特徴とする請求項2に記載の放熱構造。
- 前記ケースは、前記発熱部品の全体を覆う形状を有することを特徴とする請求項1から請求項3のうちのいずれか1項に記載の放熱構造。
- 前記放熱部材は、ヒートパイプを用いたものであることを特徴とする請求項1から請求項4のうちのいずれか1項に記載の放熱構造。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112022000509.2T DE112022000509T5 (de) | 2021-03-18 | 2022-01-17 | Wärmeabführungsstruktur für elektronische Vorrichtung |
JP2023506788A JPWO2022196066A1 (ja) | 2021-03-18 | 2022-01-17 | |
US18/281,672 US20240170365A1 (en) | 2021-03-18 | 2022-01-17 | Heat-dissipating structure for electronic device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021044791 | 2021-03-18 | ||
JP2021-044791 | 2021-03-18 |
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JP2005311230A (ja) * | 2004-04-26 | 2005-11-04 | Murata Mfg Co Ltd | 回路モジュールおよびこの回路モジュールを用いた回路装置 |
JP2007242964A (ja) * | 2006-03-09 | 2007-09-20 | Toshiba Corp | 締着装置 |
JP2014170834A (ja) * | 2013-03-04 | 2014-09-18 | Mitsubishi Electric Corp | パワー半導体の放熱構造およびこれを用いたオーディオ装置 |
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JP2019096746A (ja) | 2017-11-23 | 2019-06-20 | 株式会社デンソー | 電子装置 |
TWI717831B (zh) | 2019-09-11 | 2021-02-01 | 財團法人資訊工業策進會 | 攻擊路徑偵測方法、攻擊路徑偵測系統及非暫態電腦可讀取媒體 |
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JP2005311230A (ja) * | 2004-04-26 | 2005-11-04 | Murata Mfg Co Ltd | 回路モジュールおよびこの回路モジュールを用いた回路装置 |
JP2007242964A (ja) * | 2006-03-09 | 2007-09-20 | Toshiba Corp | 締着装置 |
JP2014170834A (ja) * | 2013-03-04 | 2014-09-18 | Mitsubishi Electric Corp | パワー半導体の放熱構造およびこれを用いたオーディオ装置 |
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