WO2013141154A1 - 放熱フィン付き半導体モジュール - Google Patents
放熱フィン付き半導体モジュール Download PDFInfo
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- WO2013141154A1 WO2013141154A1 PCT/JP2013/057381 JP2013057381W WO2013141154A1 WO 2013141154 A1 WO2013141154 A1 WO 2013141154A1 JP 2013057381 W JP2013057381 W JP 2013057381W WO 2013141154 A1 WO2013141154 A1 WO 2013141154A1
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- metal base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/07—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L29/00
- H01L25/072—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L29/00 the devices being arranged next to each other
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/02—Containers; Seals
- H01L23/10—Containers; Seals characterised by the material or arrangement of seals between parts, e.g. between cap and base of the container or between leads and walls of the container
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- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
- H01L23/293—Organic, e.g. plastic
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- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
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- H—ELECTRICITY
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- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3142—Sealing arrangements between parts, e.g. adhesion promotors
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- 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
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
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- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
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- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3735—Laminates or multilayers, e.g. direct bond copper ceramic substrates
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H01L23/40—Mountings or securing means for detachable cooling or heating arrangements ; fixed by friction, plugs or springs
- H01L23/4006—Mountings or securing means for detachable cooling or heating arrangements ; fixed by friction, plugs or springs with bolts or screws
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- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
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- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1305—Bipolar Junction Transistor [BJT]
- H01L2924/13055—Insulated gate bipolar transistor [IGBT]
Definitions
- the present invention relates to a semiconductor module provided with fins for heat dissipation, which is used for a power conversion device or the like.
- FIG. 7 and 8 show a conventional power semiconductor module 200.
- FIG. FIG. 5 is an inverter circuit diagram of a power conversion device in which the power semiconductor module 200 is used.
- FIG. 7 is a top view of the metal base 101.
- the metal base 101 is provided with the radiation fin 110, as shown to Fig.8 (a).
- Metal base 101 has three insulating substrates 108 on the upper surface, and two sets of semiconductor chip combinations of IGBT 103 and FWD 104 are soldered on each of three insulating substrates 108 via metal foil 105. Is mounted.
- IGBT is an insulated gate bipolar transistor
- FWD is a free wheeling diode, which will be described hereinafter as IGBT and FWD.
- FIG. 7 is connected by wiring such as aluminum wire (not shown) or soldering of a wiring copper plate so as to become a three-phase inverter circuit of U, V and W phases shown in FIG.
- M in FIG. 5 is a load of the three-phase inverter circuit indicated as an example, and is not included in the three-phase inverter circuit itself.
- FIG. 8 (a) is a cross-sectional view taken along the line A-A 'of FIG. 7, and FIG. 8 (b) is an enlarged cross-sectional view within the broken line frame of FIG.
- the semiconductor chips of each of the U-phase, V-phase, and W-phase layers are sealed (resin-sealed) with a resin on a metal base together with an insulating substrate and bonding wires.
- a loss consisting of conduction loss and switching loss occurs in the IGBT (IGBT chip) 103 and the FWD (FWD chip) 104 during the operation, and the semiconductor chip Produces fever. Since this heat generation leads to element breakage if the junction temperature of the semiconductor chip continues to rise above the rated temperature, the semiconductor chip must be operated while being cooled.
- the heat generated in the semiconductor chip is transferred to the metal base 101 with the radiation fin 110 through the solder 106 joined to the back surface of the semiconductor chip and the insulating substrate 108 therebelow, and the heat is dissipated to the outside from the portion of the radiation fin 110.
- a coolant not shown.
- Patent Document 1 discloses an insulating circuit substrate for heat dissipation used in a power semiconductor module, a cooling structure thereof, a power semiconductor device thereof, and a cooling structure thereof, and the configuration shown in FIGS. 7 and 8 is disclosed in Patent Document 1. And the three-phase inverter circuit components of the U, V, and W phases.
- Patent Document 2 a technique for extending the life of a bonding wire by injecting an epoxy resin onto a semiconductor element bonded to a metal base
- the insulating substrate 108 and the insulating substrate 108 are disposed between the IGBT 103 and the FWD 104 which are disposed close to each other on the insulating substrate 108.
- mutual heat interference occurs due to heat generation during operation.
- the temperature of the semiconductor chips disposed in the middle portion easily rises.
- the crack generated in the solder causes a problem that the power semiconductor module 200 can not efficiently transfer the heat generated in the semiconductor chip to the heat dissipation fins 110.
- the sealing resin is the surface of the metal base 101 from the non-uniformity of the temperature between the semiconductor chips corresponding to the three phases of the U, V, and W phases and the repetition of the temperature change accompanying the operation of the power semiconductor module 200. There is also a problem of peeling from the
- the present invention has been made in consideration of the points described above.
- the object of the present invention is to reduce the thermal resistance by good heat dissipation, reduce the thermal interference between a plurality of semiconductor chips, and peel the sealing resin from the metal base It is an object of the present invention to provide a low-cost semiconductor module with a highly reliable heat dissipating fin.
- the present invention is a semiconductor module having a metal base, wherein the metal base includes an outer peripheral portion around the metal base and a top plate portion surrounded by the outer peripheral portion, and one surface of the top plate portion is provided
- a plurality of semiconductor chips are disposed via a plurality of insulating substrates corresponding to the respective semiconductor chips, a radiation fin is disposed on the other surface of the top plate portion, and a semiconductor module is disposed on the plurality of semiconductor chips Electrical wiring for electrical connection to the outside is connected, the thickness of the top plate portion is thinner than the thickness of the outer peripheral portion, and the top plate portion has a groove between the plurality of semiconductor chips.
- the object of the present invention can be achieved by providing a semiconductor module with a radiation fin characterized in that a plurality of semiconductor chips are sealed with a resin together with the grooves.
- the semiconductor module with a radiation fin further has a terminal case fixed to the outer peripheral portion of the metal base, and the inside of the terminal case is sealed with a resin.
- the resin for sealing the inside of the terminal case is a semiconductor module with a heat dissipating fin which is an epoxy resin.
- the top plate portion further has a groove on the outer side of a plurality of semiconductor chips disposed via a plurality of insulating substrates, and a semiconductor module with a heat dissipating fin.
- the cross-sectional shape of the groove is a semiconductor module with a heat dissipating fin which is one shape selected from the group consisting of V-shape, rectangular shape, and semicircular shape.
- thermal resistance can be reduced by good heat dissipation, and generation of solder cracks due to thermal stress received during the operation of the product can be suppressed to reduce the semiconductor module with high radiation fin having high reliability. It can be offered at cost.
- FIG. 4 (a) is a cross-sectional view taken along the line CC 'of FIG. 1 according to the semiconductor module with heat dissipation fins of the present invention
- FIG. 4 (b) is an enlarged cross-sectional view within the broken line frame of FIG. It is. It is an inverter circuit diagram of the power converter using this power semiconductor module.
- FIG. 8 is a cross-sectional view taken along the line C-C ′ of the semiconductor module with heat dissipating fins of the present invention, and is a cross-sectional view showing another example of the cross-sectional shape of the recess provided between the insulating substrates. It is a top view which shows the state which soldered the insulating substrate, the semiconductor chip, etc. on the metal base of the conventional semiconductor module with a radiation fin.
- 8 (a) is a cross-sectional view taken along the line AA 'of FIG. 1 according to the conventional semiconductor module with heat dissipating fins
- FIG. 8 (b) is an enlarged cross-sectional view within the broken line frame of FIG. is there.
- FIG. 5 is a view corresponding to FIG. 4A in the first embodiment.
- FIG. 1 to 4 show a power semiconductor module 100 with a radiation fin 10 of the present invention.
- FIG. 5 is an inverter circuit diagram of the power conversion device, which is an equivalent circuit of the power semiconductor module 100.
- FIG. 1 is a top view showing a state in which an insulating substrate 8 and a semiconductor chip or the like are mounted on a metal base 1 by soldering.
- FIG. 2 is a bottom view of the metal base 1 viewed from the side of the radiation fin which is the back surface.
- FIG. 3 is a cross-sectional view taken along the line B-B 'of FIG.
- FIG. 4 (a) is a cross-sectional view taken along the line C-C 'of FIG. 1, and
- FIG. 4 (b) is an enlarged cross-sectional view within the broken line frame of FIG. 4 (a).
- the power semiconductor module 100 will be described in detail with reference to FIGS. 1 to 4.
- the power semiconductor module 100 has a metal base 1, and the metal base 1 has an attachment hole 2 for attaching to an external device with a nut and a screw on an outer peripheral portion (flange portion).
- the semiconductor chip IGBT chip 3, FWD chip 4
- the semiconductor substrate is soldered by the solder 6. It has a structure soldered and mounted on the surface of the metal base 1 provided with the radiation fin 10.
- metal wires for electrically connecting the semiconductor chips on the metal base 1 and external connection terminals for inputting and outputting electric signals to facilitate understanding of the internal structure and A resin material for sealing them and a terminal case surrounding the sealing resin are omitted.
- the portions mounted on the insulating substrate 8 soldered to the metal base 1 are referred to as a U-phase semiconductor unit, a V-phase semiconductor unit, and a W-phase semiconductor unit, respectively.
- the metal base 1 is made of a metal plate having a high thermal conductivity such as copper, aluminum, or an alloy thereof, and has a structure in which a radiation fin 10 is provided at a position on the back side corresponding to the position on the front side on which the semiconductor chip is mounted. There is.
- the position and pin arrangement of the pin-type heat dissipating fins 10 in which a plurality of protruding pins are arranged are shown on the back surface side of the metal base 1 shown in FIG. It can also be changed to a mold, a blade, or a wave.
- Insulating substrate 8 is processed into a metal plate coated on the back side (side to be bonded to metal base 1) on the entire surface of the insulating metal plate covered with a ceramic plate or an insulating film, and on the surface side to a required wiring pattern.
- the metal foils are fixed to each other.
- a ceramic material such as alumina, aluminum nitride or silicon nitride can be used as the material of the ceramic plate.
- An aluminum alloy etc. are used as a metal material of an insulation metal plate.
- the semiconductor chips (for example, the IGBT chip 3 and the FWD chip 4) are respectively soldered at predetermined positions on the metal foil on the surface side of the insulating substrate 8.
- the power semiconductor module 100 has a terminal case made of molded resin integrally incorporating an external connection terminal for inputting and outputting an external signal, and an outer peripheral portion of a metal base. Bonded to 15 surfaces.
- the semiconductor chip is soldered on the surface of the insulating substrate 8 on the metal foil 5 processed into a wiring pattern.
- the combination of semiconductor chips for each of U, V and W phases shown in FIG. 1 on the three insulating substrates 8 is arranged to correspond to the three phases of U, V and W phases of the three phase inverter circuit shown in FIG. Ru.
- the upper electrodes of these semiconductor chips are wire-bonded to the lower end portion of the external connection terminal or its vicinity fixed by resin molding integrally with the terminal case by metal wires or the like, and the three-phase inverter circuit shown in FIG. To be electrically connected.
- the electrical connection of the upper electrode of the semiconductor chip may be a method of bonding a plate of an aluminum alloy or a copper alloy by soldering or the like instead of the wire bonding connection.
- the metal wire is a thin wire made of aluminum, copper, gold or an alloy thereof, and is joined and connected by ultrasonic bonding.
- silicone gel, epoxy resin, or the like is filled inside the terminal case (not shown) as a sealing resin.
- the sealing resin is preferably an epoxy resin capable of enhancing the adhesion between the resin and the surface of the metal base.
- the thickness h2 of the top plate portion 11 of the metal base 1 with the radiation fin 10 is compared with the thickness h1 of the outer peripheral portion 15 It is one of the features that it is made thin. Furthermore, the thickness h3 of the bottom portion (the lowest recessed portion) of the groove 12 of the top plate portion 11 between the plurality of insulating substrates 8 arranged close to each other is greater than the thickness h2 other than the groove 12 of the top plate portion 11 Further thinning is another feature of the present invention.
- the thickness of the top plate portion 111 and the thickness of the outer peripheral portion are the same and uniform.
- mounting holes for attaching the external device with a nut and a screw are provided in the outer peripheral portion of these semiconductor modules, and a place where a large tightening force is applied, a predetermined thickness corresponding to the force (for example, The thickness can not be reduced below the thickness at which the metal base plate of the outer peripheral portion is not deformed by the tightening force by the screw.
- the width of the groove 12 can be 1 to 3 mm, and the depth of the groove 12 can be 1 to 3 mm.
- the metal base 1 with the radiation fin 10 dissipates the heat of the semiconductor chip to the refrigerant, so the thinner the top plate portion 11 is, the lower the thermal resistance can be.
- the thermal resistance is expressed by equation (1).
- Thermal resistance Rth thickness L of the top plate portion of the metal base plate (a soldering area S of the metal base plate top plate portion ⁇ heat conductivity ⁇ of the metal base plate) (1) If the thermal resistance Rth in equation (1) is lowered, the heat dissipation is improved according to equation (2) shown below, and the temperature of the semiconductor chip can be lowered. As a result, the long-term reliability of the semiconductor module can be enhanced. .
- Temperature difference between semiconductor chip and refrigerant ⁇ T heat resistance from semiconductor chip to refrigerant Rth ⁇ loss of semiconductor chip W: (2) From these formulas (1) and (2), the heat resistance during actual operation can be achieved by setting the thickness h2 of the top plate portion 11 ⁇ the thickness h1 of the outer peripheral portion 15 of the semiconductor module 100 with the radiation fin 10 of the present invention. It is possible to reduce Rth and reduce the semiconductor chip temperature.
- V-shaped grooves 12 are provided between the insulating substrates 8 arranged close to each other such that the thickness h 2 of the top plate portion 11> the thickness h 3 of the bottom portion of the groove 12. .
- the heat conduction in the metal base between the adjacent insulating substrates 8 is suppressed by the grooves 12, so that the thermal interference between the insulating substrates 8 can be reduced, and in particular, the thermal interference is mounted on the central insulating substrate 8.
- the temperature of the semiconductor chip which is easy to be reduced can be reduced.
- the thermal interference can be reduced also by widening the flat metal base surface without grooves between the insulating substrates 8, the area of the metal base is increased, which is not preferable in terms of cost and compactness.
- the groove 12 is provided on the surface of the metal base 1 between the three insulating substrates 8 arranged close to each other, but this groove shape has a cross section of (a) as shown in FIG.
- a rectangular groove 12a of (b), a semicircular groove 12b of (c), and the like can be formed in a concave shape in accordance with the purpose of the present invention.
- the surface area of the groove 12 is larger than that of the flat surface.
- the adhesion strength between the epoxy resin and the surface of the metal base 1 can be enhanced.
- the effect of the epoxy resin being difficult to peel off by filling the epoxy resin in the groove 12 can also be expected.
- a resin for obtaining this effect it is preferable to use a resin such as an epoxy resin having a high strength of its own and a compressive stress at the time of resin sealing, rather than a gel-like resin.
- FIG. 9 and FIG. 9 and 10 are cross-sectional views of the semiconductor module corresponding to FIG. 3 and FIG. 4A in the first embodiment, respectively.
- the second embodiment differs from the first embodiment in that the groove 12 is also provided on the outside of both semiconductor units located outside.
- the groove disposed on the outside has the effect of firmly fixing the sealing resin to the metal base.
- the sealing resin is preferably an epoxy resin.
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Abstract
Description
特許文献1には、パワー半導体モジュールに用いられる放熱用途の絶縁回路基板とその冷却構造及びパワー半導体装置とその冷却構造が開示されていて、図7及び図8に示す構成は特許文献1に開示される冷却構造にU、V、W相の3相インバータ回路部品を組み合わせたものである。
(1)式で熱抵抗Rthが下がれば、次に示す(2)式より放熱性が改善されて半導体チップの温度を下げることができ、その結果、半導体モジュールの長期信頼性を高めることができる。
これら(1)式、(2)式から、本発明の放熱フィン10付き半導体モジュール100は天板部11の厚さh2<外周部15の厚さh1とすることで、実動作中の熱抵抗Rthを低減し、半導体チップ温度を低減することが可能となる。
2 取り付け孔
3 IGBTチップ
4 FWDチップ
5 金属箔
6 半田
8 絶縁基板
10 放熱フィン
11 天板部
12 溝
15 外周部
h1 外周部厚さ
h2 天板部厚さ
h3 溝底部厚さ
Claims (5)
- 金属ベースを有する半導体モジュールであって、
前記金属ベースはその周囲の外周部と、該外周部に囲まれた天板部からなっていて、前記天板部の一方の面には複数の半導体チップがそれぞれの半導体チップに対応する複数の絶縁基板を介して配置され、前記天板部のもう一方の面には放熱フィンが配置されていて、
前記複数の半導体チップには半導体モジュール外部との電気的接続を行う電気配線が接続され、
前記天板部の厚さは前記外周部の厚さよりも薄く、
前記天板部には前記複数の半導体チップ間に溝を有し、
前記複数の半導体チップは前記溝とともに樹脂により封止されている、
ことを特徴とする放熱フィン付き半導体モジュール。 - さらに、前記金属ベースの外周部に固着される端子ケースを有し、
前記端子ケース内部は、前記複数の半導体チップと、前記溝とともに樹脂により封止されていることを特徴とする請求の範囲第1項記載の放熱フィン付き半導体モジュール。 - 前記樹脂は、エポキシ樹脂であることを特徴とする請求の範囲第1項または第2項記載の放熱フィン付き半導体モジュール。
- 前記天板部は、前記複数の絶縁基板を介して配置された前記複数の半導体チップの外側に、さらに溝を有することを特徴とする請求の範囲第1項または第2項記載の放熱フィン付き半導体モジュール。
- 前記溝の断面形状は、V字、矩形状、半円形状からなる群から選択される一の形状であることを特徴とする請求の範囲第1項記載の放熱フィン付き半導体モジュール。
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CN201380005467.9A CN104067388B (zh) | 2012-03-22 | 2013-03-15 | 带散热鳍片的半导体模块 |
US14/372,162 US20150130042A1 (en) | 2012-03-22 | 2013-03-15 | Semiconductor module with radiation fins |
JP2014506195A JP5954409B2 (ja) | 2012-03-22 | 2013-03-15 | 放熱フィン付き半導体モジュール |
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US (1) | US20150130042A1 (ja) |
JP (1) | JP5954409B2 (ja) |
CN (1) | CN104067388B (ja) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016195224A (ja) * | 2015-04-01 | 2016-11-17 | 富士電機株式会社 | 半導体装置 |
JP6644196B1 (ja) * | 2019-02-01 | 2020-02-12 | 三菱電機株式会社 | 半導体装置およびその製造方法ならびに電力変換装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7154202B2 (ja) * | 2019-10-21 | 2022-10-17 | 三菱電機株式会社 | 非絶縁型パワーモジュール |
US11373938B2 (en) * | 2019-11-14 | 2022-06-28 | Hyundai Motor Company | Substrate having a plurality of slit portions between semiconductor devices |
KR102703392B1 (ko) * | 2019-11-25 | 2024-09-04 | 현대자동차주식회사 | 전력모듈 및 전력모듈에 적용되는 기판 구조 |
JP7170620B2 (ja) * | 2019-11-26 | 2022-11-14 | 三菱電機株式会社 | 半導体装置および放熱フィンの製造方法 |
DE102019135146B4 (de) * | 2019-12-19 | 2022-11-24 | Rogers Germany Gmbh | Metall-Keramik-Substrat |
WO2021140771A1 (ja) * | 2020-01-07 | 2021-07-15 | 富士電機株式会社 | 半導体装置 |
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- 2013-03-15 JP JP2014506195A patent/JP5954409B2/ja not_active Expired - Fee Related
- 2013-03-15 CN CN201380005467.9A patent/CN104067388B/zh not_active Expired - Fee Related
- 2013-03-15 WO PCT/JP2013/057381 patent/WO2013141154A1/ja active Application Filing
- 2013-03-15 US US14/372,162 patent/US20150130042A1/en not_active Abandoned
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JP2005328018A (ja) * | 2004-04-14 | 2005-11-24 | Denso Corp | 半導体装置 |
JP2006032617A (ja) * | 2004-07-15 | 2006-02-02 | Hitachi Ltd | 半導体パワーモジュール |
JP2008294068A (ja) * | 2007-05-22 | 2008-12-04 | Aisin Aw Co Ltd | 半導体モジュール及びインバータ装置 |
JP2012044140A (ja) * | 2010-07-23 | 2012-03-01 | Fuji Electric Co Ltd | 半導体装置 |
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JP6644196B1 (ja) * | 2019-02-01 | 2020-02-12 | 三菱電機株式会社 | 半導体装置およびその製造方法ならびに電力変換装置 |
WO2020157965A1 (ja) * | 2019-02-01 | 2020-08-06 | 三菱電機株式会社 | 半導体装置およびその製造方法ならびに電力変換装置 |
Also Published As
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JP5954409B2 (ja) | 2016-07-20 |
CN104067388B (zh) | 2017-02-15 |
CN104067388A (zh) | 2014-09-24 |
JPWO2013141154A1 (ja) | 2015-08-03 |
US20150130042A1 (en) | 2015-05-14 |
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