WO2020179171A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- WO2020179171A1 WO2020179171A1 PCT/JP2019/048467 JP2019048467W WO2020179171A1 WO 2020179171 A1 WO2020179171 A1 WO 2020179171A1 JP 2019048467 W JP2019048467 W JP 2019048467W WO 2020179171 A1 WO2020179171 A1 WO 2020179171A1
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- module
- memory
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- semiconductor device
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/40—Arrangements for thermal protection or thermal control involving heat exchange by flowing fluids
- H10W40/43—Arrangements for thermal protection or thermal control involving heat exchange by flowing fluids by flowing gases, e.g. forced air cooling
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- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20154—Heat dissipaters coupled to components
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/20—Arrangements for cooling
- H10W40/22—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections
- H10W40/226—Arrangements for cooling characterised by their shape, e.g. having conical or cylindrical projections characterised by projecting parts, e.g. fins to increase surface area
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/70—Fillings or auxiliary members in containers or in encapsulations for thermal protection or control
- H10W40/77—Auxiliary members characterised by their shape
- H10W40/778—Auxiliary members characterised by their shape in encapsulations
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- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
Definitions
- the present invention relates to a semiconductor device.
- a semiconductor device equipped with a semiconductor module is used.
- a semiconductor module whose core is a system LSI such as SoC (System on a Chip) or SiP (System in a Package)
- the elements such as the processor provided therein generate heat during operation, so it is necessary to cool it by air cooling or the like.
- the semiconductor device may be provided with a fan device for generating an air flow by driving.
- Patent Document 1 An example of a semiconductor device including a semiconductor module and a fan device is disclosed in JP2018-113402A (Patent Document 1).
- the fan 42 sucks air to form an air flow inside the housing 20.
- the heat generating device 52 and the other device 53 mounted on the substrate 50 are arranged such that the heat generating device 52 is located on the upstream side and the other device 53 is located on the downstream side in the flow direction of the air flow ( (See FIG. 11 of Patent Document 1).
- a semiconductor device comprising a semiconductor module and a fan device
- the semiconductor module includes a module substrate and a first element and a second element mounted on one element arrangement surface of the module substrate.
- the second element is an element that generates less heat and has lower heat resistance than the first element,
- the fan device In the flow direction of the air flow formed by driving the fan device, the fan device is arranged on the downstream side of the first element and the second element, and the first element is located on the downstream side of the second element. It is located on the downstream side.
- the first element which generates a relatively large amount of heat
- the second element it is possible to adopt an inexpensive element having not so high heat resistance or to dispose the second element close to the first element.
- the cooling performance of the first element can be ensured. Therefore, in a semiconductor device including a semiconductor module and a fan device, each element mounted on the module substrate can be appropriately cooled while avoiding an increase in size and cost.
- a first embodiment of a semiconductor device will be described with reference to the drawings.
- this semiconductor device for example, a form in which this semiconductor device is mounted on a vehicle and configured as an ECU (Electronic Control Unit) for controlling an in-vehicle information device will be described as an example, but of course, the use of the semiconductor device is described. It is not limited to this.
- ECU Electronic Control Unit
- the semiconductor device 1 includes a main board 10, a semiconductor module 20, and a fan device 30. Further, the semiconductor device 1 further includes a heat sink 40 (see FIGS. 2 and 3). As shown in FIGS. 3 and 4, these are housed inside the housing 50. It is preferable that the housing 50 is formed in a rectangular parallelepiped shape. Note that FIG. 4 is a perspective view with the lid removed so that the inside of the housing 50 can be easily viewed.
- the main board 10 is, for example, a motherboard. At least the semiconductor module 20 is mounted on the first surface 10a, which is one surface of the main substrate 10. A main power supply IC 11 and a circuit 12 are mounted on the first surface 10a of the main board 10. The main power supply IC 11 is configured to have a power supply function block capable of generating a plurality of types of electric power. The circuit 12 is connected to the system LSI 22 provided in the semiconductor module 20.
- the semiconductor module 20 includes a module substrate 21, a system LSI 22, a memory 23, and a module power supply IC 24.
- the module substrate 21 is formed to be smaller than the main substrate 10.
- the system LSI 22, the memory 23, and the module power supply IC 24 are mounted on the first surface 21 a, which is one surface of the module substrate 21.
- the semiconductor module 20 also includes a first memory 23a and a second memory 23b as the memory 23.
- the first memory 23a and the second memory 23b are both located on the first surface 21a of the module substrate 21. It is implemented.
- the system LSI 22 is expected to generate heat as it operates, and its heat resistance is correspondingly high.
- the memory 23 (first memory 23a and second memory 23b) that only cooperates with the system LSI 22 during operation of the system LSI 22 has a smaller heat generation amount and lower heat resistance than the system LSI 22.
- the system LSI 22 corresponds to the "first element”
- the first memory 23a corresponds to the "second element”
- the second memory 23b corresponds to the "third element”.
- the first surface 21a on which the system LSI 22, the first memory 23a, and the second memory 23b are commonly mounted corresponds to the "element mounting surface".
- the system LSI 22 is a processor that performs various arithmetic processes.
- a SoC System on a Chip
- SiP System in Package
- the SDRAM is preferably, for example, DDR3 (Double Data Rate 3) SDRAM, DDR4 (Double Data Rate 4) SDRAM, or the like.
- the memory 23 is not limited to such a configuration, and may be a flash memory, an SRAM (Static RAM), or the like.
- the module power supply IC 24 is configured to have at least one power supply function block capable of generating electric power.
- the system LSI 22, the first memory 23a, and the second memory 23b are connected to the module board 21 via hemispherical chip terminals 26 regularly arranged on the first surface 21a of the module board 21. It is mounted on the first surface 21a of the above. That is, the semiconductor module 20 is configured as a multi-chip module including a system LSI 22 which is a processor and a memory 23 (first memory 23a, second memory 23b) that cooperates with the system LSI 22 on a module substrate 21. ing.
- the semiconductor module 20 is a hemisphere regularly arranged between the first surface 10a of the main substrate 10 and the second surface 21b of the module substrate 21 which is a surface opposite to the surface on which the system LSI 22 and the like are placed. It is mounted on the first surface 10 a of the main board 10 via the module terminals 27 in the shape of a circle.
- the heat sink 40 is formed so as to cover the system LSI 22, the first memory 23a, and the second memory 23b.
- the heat sink 40 is formed to have the same size (slightly smaller size) as the module substrate 21.
- the heat sink 40 is arranged on the side opposite to the module board 21 side with respect to the system LSI 22, the first memory 23a, and the second memory 23b.
- the heat sink 40 is arranged in a state of being in contact with the system LSI 22 on the side opposite to the side where the chip terminal 26 is provided in the system LSI 22.
- the heat sink 40 includes a raised portion 41 that protrudes toward the system LSI 22 side, and the protruding end surface of the raised portion 41 is in contact with the system LSI 22.
- the heat sink 40 is not in contact with the first memory 23a and the second memory 23b. That is, the heat sink 40 is arranged with a gap in the vertical direction (direction orthogonal to the module substrate 21) with respect to the first memory 23a and the second memory 23b. It is preferable that a plurality of fins be provided on the surface of the heat sink 40 opposite to the side of the system LSI 22 and the memory 23.
- the fan device 30 is an exhaust device for discharging the air in the housing 50 to the outside of the housing 50.
- the fan device 30 is configured to be an exhaust fan that is rotationally driven by, for example, a fan motor or the like and discharges the air inside the housing 50 to the outside.
- the housing 50 is also provided with an intake port 52 for taking in outside air into the housing 50.
- the housing 50 has a peripheral wall portion 51 that surrounds the semiconductor module 20 and the heat sink 40, and an intake port 52 is provided in the peripheral wall portion 51.
- the intake port 52 and the fan device 30 are separately provided at the portions of the peripheral wall portion 51 that face each other with the semiconductor module 20 interposed therebetween. Is preferable. In other words, it is preferable that the intake port 52 be provided on the wall portion of the peripheral wall portion 51 that faces the wall portion on which the fan device 30 is installed with the semiconductor module 20 interposed therebetween.
- the fan device 30 is arranged at a position corresponding to the installation area of the semiconductor module 20 on the main board 10.
- the fan device 30 is arranged so that the rotation axis of the exhaust fan passes through the installation area of the semiconductor module 20.
- the air flow F that flows into the housing 50 from the intake port 52 by the drive of the fan device 30 and is formed in the housing 50 is the semiconductor module 20 and the heat sink, as shown in FIG. 40 will be cut vertically.
- the intake port 52 and the fan device 30 are provided in the semiconductor module 20 at the side where the system LSI 22 is arranged.
- the intake port 52 is provided in the semiconductor module 20 at a position close to the first memory 23a
- the fan device 30 is provided in the semiconductor module 20 at a position close to the system LSI 22.
- the fan device 30 that discharges the air inside the housing 50 to the outside is, of course, arranged downstream of the system LSI 22 and the first memory 23a in the flow direction of the air flow F.
- the system LSI 22 is arranged on the downstream side (fan device 30 side) of the first memory 23a in the flow direction of the airflow F. Since the system LSI 22 having a relatively large heat generation amount is arranged on the downstream side of the first memory 23a, even if the airflow F is heated by the system LSI 22, the influence on the first memory 23a is small. Therefore, as the first memory 23a, an inexpensive element having not so high heat resistance can be adopted, and the cost can be reduced.
- the second memory 23b is arranged side by side in the direction orthogonal to the flow direction of the airflow F with respect to the system LSI 22.
- “arranged side by side in a direction orthogonal to the flow direction of the air flow F” means that the system LSI 22 and the second memory 23b each having a size occupying a predetermined range in the flow direction of the air flow F as a whole. This means that they are arranged at the same position with the passage of the airflow F interposed therebetween. Therefore, as in the example shown in FIG. 2, the second memory 23b may be arranged slightly closer to the fan device 30 side than the system LSI 22, and vice versa.
- the first memory 23a arranged on the upstream side of the system LSI 22 is less affected by the heat of the system LSI 22 than the second memory 23b arranged side by side with respect to the system LSI 22. Therefore, in the present embodiment, the arrangement interval D1 between the system LSI 22 and the first memory 23a is set to be narrower than the arrangement interval D2 between the system LSI 22 and the second memory 23b (D1 ⁇ D2). That is, the first memory 23a, which is relatively less affected by the heat of the system LSI 22, is arranged closer to the system LSI 22 than the second memory 23b. This makes it possible to reduce the size of the semiconductor module 20 and the semiconductor device 1 as a whole.
- the nozzle insertion port serves both to fill the chip terminal 26 related to the system LSI 22 and to fill the chip terminal 26 related to the second memory 23b.
- the air flow F formed by driving the fan device 30 is divided into a flow passing above the heat sink 40 and a flow passing below the heat sink 40.
- the air flow F passing above the heat sink 40 does not have anything to block it, or even if there is only a plurality of fins of the heat sink 40, it becomes a flow that extends linearly toward the fan device 30. (The part on the right side of the dashed arrow in FIG. 2).
- a part of the air flow F passing below the heat sink 40 flows through the gap between the first memory 23 a and the heat sink 40 and then flows to the raised portions 41 of the first memory 23 a and the heat sink 40. Since it is blocked, the flow becomes a crank-like flow in a plan view, bypassing the raised portion 41 and heading for the fan device 30 (the left side portion of the dashed arrow in FIG. 2 ).
- a second embodiment of the semiconductor device will be described with reference to the drawings.
- the semiconductor device 1 of the present embodiment is different from the first embodiment in the installation position of the fan device 30 in the housing 50.
- the semiconductor device 1 of this embodiment will be described below mainly with respect to the differences from the first embodiment.
- the points not particularly specified are the same as those in the first embodiment, and the same reference numerals are given and detailed description thereof will be omitted.
- the housing 50 of this embodiment also has a peripheral wall portion 51 that surrounds the semiconductor module 20 and the heat sink 40.
- FIG. 5 also shows a lid portion 53 that covers the upper opening of the peripheral wall portion 51.
- the peripheral wall portion 51 is provided with the intake port 52
- the lid portion 53 is provided with the fan device 30.
- the intake port 52 is provided in the peripheral wall portion 51 at a position near the first memory 23a in the semiconductor module 20.
- the fan device 30 is provided above the system LSI 22 (a position having a portion overlapping the system LSI 22 in a plan view) in the lid portion 53.
- the air flow F formed by driving the fan device 30 flows along the heat sink 40 and then bends upward toward the fan device 30.
- the flow is approximately L-shaped.
- the configuration in which the semiconductor module 20 includes both the first memory 23a and the second memory 23b as the memory 23 has been described as an example.
- the first memory 23a may be provided as the memory 23, and the second memory 23b may not be provided.
- the arrangement interval D1 between the system LSI 22 and the first memory 23a is set narrower than the arrangement interval D2 between the system LSI 22 and the second memory 23b. explained. However, without being limited to such a configuration, for example, even if the arrangement interval D1 between the system LSI 22 and the first memory 23a and the arrangement interval D2 between the system LSI 22 and the second memory 23b are set to be equal. good. Alternatively, depending on other conditions, the arrangement interval D1 between the system LSI 22 and the first memory 23a may be set wider than the arrangement interval D2 between the system LSI 22 and the second memory 23b.
- the semiconductor module 20 has been described as an example of a configuration that is a multi-chip module including the system LSI 22 and the memory 23 that cooperates with the system LSI 22.
- the semiconductor module 20 may be configured by combining a single chip module including the system LSI 22 and a single chip module including the memory 23.
- the semiconductor device 1 has been described as an example of the configuration including the heat sink 40 arranged in contact with the system LSI 22 and not in contact with the memory 23.
- the heat sink 40 may be arranged so as to be in contact with both the system LSI 22 and the memory 23.
- the semiconductor device 1 may not have the heat sink 40.
- the semiconductor device preferably includes the following configurations.
- a semiconductor device (1) comprising a semiconductor module (20) and a fan device (30), comprising:
- the semiconductor module (20) includes a module board (21) and a first element (22) and a second element (23a) mounted on one element placement surface (21a) of the module board (21).
- the second element (23a) is an element that generates less heat and has lower heat resistance than the first element (22)
- the fan device (30) is arranged downstream of the first element (22) and the second element (23a) in the flow direction of the airflow (F) formed by driving the fan device (30).
- the first element (22) is arranged downstream of the second element (23a).
- the first element (22) having a relatively large calorific value is arranged on the downstream side of the second element (23a), the air flow formed by driving the fan device (30) ( Even if F) is heated by heat exchange with the first element (22), the influence on the second element (23a) is small. Therefore, as the second element (23a), an inexpensive element having not so high heat resistance can be adopted, or the second element (23a) can be arranged close to the first element (22). Further, since the air flow (F) obtained by cooling the second element (23a) having a relatively small calorific value is supplied to the first element (22), the cooling performance of the first element (22) is also ensured. be able to. Therefore, in the semiconductor device (1) including the semiconductor module (20) and the fan device (30), each element mounted on the module substrate (21) is appropriately cooled while avoiding an increase in size and cost. can do.
- the semiconductor module (20) further includes a third element (23b) having a smaller amount of heat generation and lower heat resistance than the first element (22) mounted on the element placement surface (21a).
- the third element (23b) is arranged side by side in the direction orthogonal to the flow direction of the airflow (F) with respect to the first element (22),
- An arrangement interval (D1) between the first element (22) and the second element (23a) is an arrangement interval (D2) between the first element (22) and the third element (23b). It is preferable that the width is set narrower than that.
- the air flow (F) with respect to the first element (22) is more than that of the third element (23b) arranged side by side in the direction orthogonal to the flow direction of the air flow (F) with respect to the first element (22).
- the heat from the first element (22) is less likely to be transferred to the second element (23a) arranged on the upstream side in the flow direction of. Therefore, as in the above configuration, the arrangement interval (D1) between the first element (22) and the second element (23a) is set to the arrangement distance between the first element (22) and the third element (23b).
- the heat generated by the operation of the first element (22) can be quickly diffused to the heat sink (40). Then, the first element (22) can be cooled more appropriately by heat exchange between the airflow (F) and the heat sink (40).
- the semiconductor module (20) includes a processor as the first element (22) and a memory as the second element (23a) cooperating with the processor on the module substrate (21). It is preferably a chip module.
- the semiconductor module (20) including the multi-chip module can be downsized. Therefore, the semiconductor device (1) can be miniaturized.
- the housing (50) has a peripheral wall portion (51) surrounding the semiconductor module (20),
- the intake port (52) and the fan device (30) are separately provided in portions of the peripheral wall portion (51) that face each other with the first element (22) and the second element (23a) interposed therebetween.
- the air flow (F) from the intake port (52) toward the fan device (30) can be appropriately directed to the semiconductor module (20). Therefore, the first element (22) and the second element (23a) can be appropriately cooled.
- a housing (50) for accommodating the semiconductor module (20) and an intake port (52) provided in the housing (50) are further provided.
- the housing (50) has a peripheral wall portion (51) that surrounds the semiconductor module (20) and a lid portion (53) that covers the upper opening of the peripheral wall portion (51). It is preferable that the peripheral wall portion (51) is provided with the intake port (52) and the lid portion (53) is provided with the fan device (30).
- the fan device (30) above the semiconductor module (20) in the lid portion (53), the air flow (F) flowing from the intake port (52) toward the fan device (30). Can be appropriately directed to the semiconductor module (20). Therefore, the first element (22) and the second element (23a) can be appropriately cooled.
- the semiconductor device according to the present disclosure only needs to be able to exhibit at least one of the above effects.
- semiconductor device 20 semiconductor module 21 module substrate 21a 1st surface (element mounting surface) 22 System LSI (first element) 23a First memory (second element) 23b Second memory (third element) 30 fan device 40 heat sink 50 housing 51 peripheral wall portion 52 intake port 53 lid portion F air flow
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Abstract
Description
半導体モジュールと、ファン装置と、を備えた半導体装置であって、
前記半導体モジュールは、モジュール基板と、前記モジュール基板の一方の素子配置面に実装された第1素子及び第2素子と、を備え、
前記第2素子は、前記第1素子よりも発熱量が小さくかつ耐熱性が低い素子であり、
前記ファン装置の駆動によって形成される空気流の流れ方向において、前記ファン装置が前記第1素子及び前記第2素子よりも下流側に配置され、かつ、前記第1素子が前記第2素子よりも下流側に配置されている。
半導体装置の第1実施形態について、図面を参照して説明する。本実施形態においては、この半導体装置が、例えば車両に搭載されて、車載情報機器を制御するECU(Electronic Control Unit)として構成される形態を例として説明するが、当然ながら半導体装置の用途は、これに限定されるものではない。
ヒートシンク40は、システムLSI22、第1メモリ23a、及び第2メモリ23bに対して、モジュール基板21側とは反対側に配置されている。そして、ヒートシンク40は、システムLSI22におけるチップ端子26が設けられた側とは反対側で、システムLSI22と接する状態に配置されている。ヒートシンク40は、システムLSI22側に向かって突出する隆起部41を備えており、この隆起部41の突出端面とシステムLSI22とが接している。
このようにすることで、ファン装置30の駆動によって吸気口52から筐体50内に流入し、筐体50内に形成される空気流Fは、図2に示すように、半導体モジュール20及びヒートシンク40を縦断するものとなる。
半導体装置の第2実施形態について、図面を参照して説明する。本実施形態の半導体装置1は、筐体50におけるファン装置30の設置位置が第1実施形態とは異なっている。以下、本実施形態の半導体装置1について、主に第1実施形態との相違点について説明する。なお、特に明記しない点に関しては、第1実施形態と同様であり、同一の符号を付して詳細な説明は省略する。
(1)上記の実施形態では、半導体モジュール20が、メモリ23として第1メモリ23a及び第2メモリ23bの両方を備えている構成を例として説明した。しかし、そのような構成に限定されることなく、例えばメモリ23として第1メモリ23aだけが備えられて第2メモリ23bが備えられなくても良い。
以上をまとめると、本開示に係る半導体装置は、好適には、以下の各構成を備える。
前記半導体モジュール(20)は、モジュール基板(21)と、前記モジュール基板(21)の一方の素子配置面(21a)に実装された第1素子(22)及び第2素子(23a)と、を備え、
前記第2素子(23a)は、前記第1素子(22)よりも発熱量が小さくかつ耐熱性が低い素子であり、
前記ファン装置(30)の駆動によって形成される空気流(F)の流れ方向において、前記ファン装置(30)が前記第1素子(22)及び前記第2素子(23a)よりも下流側に配置され、かつ、前記第1素子(22)が前記第2素子(23a)よりも下流側に配置されている。
前記半導体モジュール(20)は、前記第1素子(22)よりも発熱量が小さくかつ耐熱性が低い第3素子(23b)を、前記素子配置面(21a)に実装された状態でさらに備え、
前記第3素子(23b)は、前記第1素子(22)に対して、前記空気流(F)の流れ方向に直交する方向に並んで配置され、
前記第1素子(22)と前記第2素子(23a)との間の配置間隔(D1)が、前記第1素子(22)と前記第3素子(23b)との間の配置間隔(D2)よりも狭く設定されていることが好ましい。
前記第1素子(22)と接する状態に配置されたヒートシンク(40)をさらに備えることが好ましい。
前記半導体モジュール(20)は、前記第1素子(22)としてのプロセッサと、前記プロセッサと協働する前記第2素子(23a)としてのメモリと、を前記モジュール基板(21)上に備えたマルチチップモジュールであることが好ましい。
前記半導体モジュール(20)を収容する筐体(50)と、前記筐体(50)に設けられた吸気口(52)と、をさらに備え、
前記筐体(50)は、前記半導体モジュール(20)を取り囲む周壁部(51)を有し、
前記周壁部(51)における、前記第1素子(22)及び前記第2素子(23a)を挟んで対向する部分に、前記吸気口(52)と前記ファン装置(30)とが分かれて設けられていることが好ましい。
前記半導体モジュール(20)を収容する筐体(50)と、前記筐体(50)に設けられた吸気口(52)と、をさらに備え、
前記筐体(50)は、前記半導体モジュール(20)を取り囲む周壁部(51)と、前記周壁部(51)の上部開口を覆う蓋部(53)と、を有し、
前記周壁部(51)に前記吸気口(52)が設けられているとともに、前記蓋部(53)に前記ファン装置(30)が設けられていることが好ましい。
20 半導体モジュール
21 モジュール基板
21a 第1面(素子載置面)
22 システムLSI(第1素子)
23a 第1メモリ(第2素子)
23b 第2メモリ(第3素子)
30 ファン装置
40 ヒートシンク
50 筐体
51 周壁部
52 吸気口
53 蓋部
F 空気流
Claims (6)
- 半導体モジュールと、ファン装置と、を備えた半導体装置であって、
前記半導体モジュールは、モジュール基板と、前記モジュール基板の一方の素子配置面に実装された第1素子及び第2素子と、を備え、
前記第2素子は、前記第1素子よりも発熱量が小さくかつ耐熱性が低い素子であり、
前記ファン装置の駆動によって形成される空気流の流れ方向において、前記ファン装置が前記第1素子及び前記第2素子よりも下流側に配置され、かつ、前記第1素子が前記第2素子よりも下流側に配置されている、半導体装置。 - 前記半導体モジュールは、前記第1素子よりも発熱量が小さくかつ耐熱性が低い第3素子を、前記素子配置面に実装された状態でさらに備え、
前記第3素子は、前記第1素子に対して、前記空気流の流れ方向に直交する方向に並んで配置され、
前記第1素子と前記第2素子との間の配置間隔が、前記第1素子と前記第3素子との間の配置間隔よりも狭く設定されている、請求項1に記載の半導体装置。 - 前記第1素子と接する状態に配置されたヒートシンクをさらに備える、請求項1又は2に記載の半導体装置。
- 前記半導体モジュールは、前記第1素子としてのプロセッサと、前記プロセッサと協働する前記第2素子としてのメモリと、を前記モジュール基板上に備えたマルチチップモジュールである、請求項1から3のいずれか一項に記載の半導体装置。
- 前記半導体モジュールを収容する筐体と、前記筐体に設けられた吸気口と、をさらに備え、
前記筐体は、前記半導体モジュールを取り囲む周壁部を有し、
前記周壁部における、前記第1素子及び前記第2素子を挟んで対向する部分に、前記吸気口と前記ファン装置とが分かれて設けられている、請求項1から4のいずれか一項に記載の半導体装置。 - 前記半導体モジュールを収容する筐体と、前記筐体に設けられた吸気口と、をさらに備え、
前記筐体は、前記半導体モジュールを取り囲む周壁部と、前記周壁部の上部開口を覆う蓋部と、を有し、
前記周壁部に前記吸気口が設けられているとともに、前記蓋部に前記ファン装置が設けられている、請求項1から4のいずれか一項に記載の半導体装置。
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| JP2021503410A JP7173278B2 (ja) | 2019-03-05 | 2019-12-11 | 半導体装置 |
| US17/311,386 US11848251B2 (en) | 2019-03-05 | 2019-12-11 | Semiconductor device |
| CN201980093371.XA CN113519052B (zh) | 2019-03-05 | 2019-12-11 | 半导体装置 |
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| JP2019039472 | 2019-03-05 | ||
| JP2019-039472 | 2019-03-05 |
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| WO2020179171A1 true WO2020179171A1 (ja) | 2020-09-10 |
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| PCT/JP2019/048467 Ceased WO2020179171A1 (ja) | 2019-03-05 | 2019-12-11 | 半導体装置 |
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| US (1) | US11848251B2 (ja) |
| JP (1) | JP7173278B2 (ja) |
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| WO (1) | WO2020179171A1 (ja) |
Cited By (1)
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|---|---|---|---|---|
| US12610499B2 (en) * | 2021-12-16 | 2026-04-21 | Delta Electronics (Shanghai) Co., Ltd. | Power supply with airflow guide members |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11901264B2 (en) * | 2018-10-31 | 2024-02-13 | Sk Hynix Nand Product Solutions Corp. | Choked flow cooling |
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- 2019-12-11 CN CN201980093371.XA patent/CN113519052B/zh active Active
- 2019-12-11 US US17/311,386 patent/US11848251B2/en active Active
- 2019-12-11 JP JP2021503410A patent/JP7173278B2/ja active Active
- 2019-12-11 WO PCT/JP2019/048467 patent/WO2020179171A1/ja not_active Ceased
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| JPH03153095A (ja) * | 1989-11-10 | 1991-07-01 | Hitachi Ltd | 電子機器の放熱構造 |
| JPH10275883A (ja) * | 1997-03-28 | 1998-10-13 | Nec Corp | 集積回路装置の冷却構造 |
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Also Published As
| Publication number | Publication date |
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| JP7173278B2 (ja) | 2022-11-16 |
| CN113519052B (zh) | 2025-06-17 |
| US11848251B2 (en) | 2023-12-19 |
| CN113519052A (zh) | 2021-10-19 |
| JPWO2020179171A1 (ja) | 2021-10-21 |
| US20220028755A1 (en) | 2022-01-27 |
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