JP2000049271A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JP2000049271A
JP2000049271A JP10217041A JP21704198A JP2000049271A JP 2000049271 A JP2000049271 A JP 2000049271A JP 10217041 A JP10217041 A JP 10217041A JP 21704198 A JP21704198 A JP 21704198A JP 2000049271 A JP2000049271 A JP 2000049271A
Authority
JP
Japan
Prior art keywords
lead frame
semiconductor device
heat sink
power device
control device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10217041A
Other languages
Japanese (ja)
Inventor
Atsunobu Kawamoto
厚信 河本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP10217041A priority Critical patent/JP2000049271A/en
Priority to KR1019990011174A priority patent/KR20000011229A/en
Priority to DE19915065A priority patent/DE19915065A1/en
Publication of JP2000049271A publication Critical patent/JP2000049271A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/495Lead-frames or other flat leads
    • H01L23/49541Geometry of the lead-frame
    • H01L23/49562Geometry of the lead-frame for devices being provided for in H01L29/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/48Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/495Lead-frames or other flat leads
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/28Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
    • H01L23/31Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
    • H01L23/3107Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/01Means 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
    • H01L24/42Wire connectors; Manufacturing methods related thereto
    • H01L24/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L24/49Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805Shape
    • H01L2224/4809Loop shape
    • H01L2224/48091Arched
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481Disposition
    • H01L2224/48151Connecting 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
    • H01L2224/48221Connecting 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
    • H01L2224/48245Connecting 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 metallic
    • H01L2224/48247Connecting 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 metallic connecting the wire to a bond pad of the item
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/484Connecting portions
    • H01L2224/4847Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a wedge bond
    • H01L2224/48472Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a wedge bond the other connecting portion not on the bonding area also being a wedge bond, i.e. wedge-to-wedge
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/49Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
    • H01L2224/491Disposition
    • H01L2224/4912Layout
    • H01L2224/49171Fan-out arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/01Means 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
    • H01L24/42Wire connectors; Manufacturing methods related thereto
    • H01L24/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L24/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/00014Technical content checked by a classifier the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01Chemical elements
    • H01L2924/01005Boron [B]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01Chemical elements
    • H01L2924/01006Carbon [C]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01Chemical elements
    • H01L2924/01033Arsenic [As]
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    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01Chemical elements
    • H01L2924/01082Lead [Pb]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/181Encapsulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/19Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
    • H01L2924/1901Structure
    • H01L2924/1904Component type
    • H01L2924/19043Component type being a resistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
  • Lead Frames For Integrated Circuits (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a semiconductor device in which heat can be dissipated efficiently to an external heat sink through a lead frame. SOLUTION: A flat lead frame part 16a for mounting a power device 2 and a region for mounting a control device 3 extending continuously thereto are provided on the mounting face of a lead frame 15. Opposite fringe parts of the flat lead frame part 16a are bent upward to form raised reinforcing part 16b in order to enhance rigidity of the lead frame 12 on the back face thereof, i.e., the heat sink face 8, at the part mounting the power device 2 and contact area between an external heat sink 22 and the heat sink face 8 is increased thus enhancing heat dissipation effect of a semiconductor device 20.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明はパワーデバイスを有
する半導体装置、詳細にはパワーデバイスを実装してい
るリードフレームが外部放熱板に接触固定されている半
導体装置に関する。
[0001] 1. Field of the Invention [0002] The present invention relates to a semiconductor device having a power device, and more particularly, to a semiconductor device in which a lead frame mounting a power device is fixedly connected to an external heat sink.

【0002】[0002]

【従来の技術】最初に、従来のパワーデバイスを備えた
半導体装置について説明する。従来例にかかる半導体装
置30は、図6(A)、(B)で示すように、平板構造
のリードフレーム31のチップ実装面にパワーデバイス
チップ2、制御用モノリシックICチップ3及び抵抗用
チップ4を配置し、リードフレーム31のチップ実装面
の背面8(以下ヒートシンク面とする)を露出するよう
にモールド樹脂32で一体封止したものである。さら
に、半導体装置30は、ヒートシンク面8を外部放熱板
(図示せず)に接触固定される。即ち、外部放熱板は、
ヒートシンク面8を介して半導体装置30で発生した熱
を放熱する役割を果たす。尚、制御用ICチップ4がパ
ワーデバイスチップ2を制御する回路を形成するよう
に、上記3つのチップ2、3、4はボンデングワイヤ5
で接続されている。
2. Description of the Related Art First, a semiconductor device having a conventional power device will be described. As shown in FIGS. 6A and 6B, a semiconductor device 30 according to a conventional example has a power device chip 2, a control monolithic IC chip 3, and a resistor chip 4 on a chip mounting surface of a lead frame 31 having a flat structure. Are arranged, and are integrally sealed with a mold resin 32 so as to expose a back surface 8 (hereinafter, referred to as a heat sink surface) of a chip mounting surface of the lead frame 31. Further, the heat sink surface 8 of the semiconductor device 30 is contact-fixed to an external heat sink (not shown). That is, the external heat sink is
It serves to radiate heat generated in the semiconductor device 30 via the heat sink surface 8. The three chips 2, 3, and 4 are bonded to each other so that the control IC chip 4 forms a circuit that controls the power device chip 2.
Connected by

【0003】[0003]

【発明が解決しようとする課題】しかしながら、リード
フレーム31は平板構造であるので剛性に乏しく、パワ
ーデバイス2を封止する際に発生するモールド樹脂32
の応力の影響を受けて、リードフレーム31が変形しヒ
ートシンク面8が反り返る。このことによって、外部放
熱板とヒートシンク面8との間に隙間ができるので、半
導体装置30で発生する熱を十分に放熱できないという
課題があった。
However, since the lead frame 31 has a flat plate structure, it has poor rigidity, and the molding resin 32 generated when the power device 2 is sealed.
, The lead frame 31 is deformed and the heat sink surface 8 warps. As a result, a gap is formed between the external heat sink and the heat sink surface 8, so that the heat generated in the semiconductor device 30 cannot be sufficiently dissipated.

【0004】さらに、上記半導体装置30は、リードフ
レームが平板構造である為に、モールド樹脂32のリー
ドフレーム31に対する密着性が悪く、半導体装置の信
頼度の低下を招いていた。
Further, in the semiconductor device 30, since the lead frame has a flat plate structure, the adhesion of the molding resin 32 to the lead frame 31 is poor, and the reliability of the semiconductor device is reduced.

【0005】本発明は、従来技術の有するこのような問
題点に鑑みてなされたものであり、リードフレームを介
して外部放熱板に効率良く熱を放熱させることができる
半導体装置、及びリードフレームにモールド樹脂が十分
に密着している信頼性の高い半導体装置を提供すること
を目的とする。
The present invention has been made in view of the above-mentioned problems of the prior art, and is directed to a semiconductor device and a lead frame capable of efficiently dissipating heat to an external heat sink through a lead frame. It is an object of the present invention to provide a highly reliable semiconductor device in which a mold resin is sufficiently adhered.

【0006】[0006]

【課題を解決するための手段】上記課題を解決するため
に本発明にかかる第1の半導体装置は、リードフレーム
の剛性を強化して、ヒートシンク面の反りを防止する。
具体的には、本発明にかかる第1の半導体装置は、パワ
ーデバイスと該パワーデバイスを制御する制御デバイス
とを、リードフレームのデバイス実装面に配置しその背
面であるヒートシンク面を露出させてモールド樹脂で封
止し、上記ヒートシンク面を外部放熱板上に接触固定し
てなる半導体装置であって、上記リードフレームの上記
実装面は、上記パワーデバイスが実装される平坦なリー
ドフレーム平坦部及び該リードフレーム平坦部に連続し
て延びる上記制御用デバイスが実装される制御用デバイ
ス領域を有し、上記リードフレーム平坦部の対向する縁
辺部を上記リードフレームの上方に向かって立ち上げ補
強部を形成することで、ヒートシンク面の剛性を強化し
たことを特徴とする。
In order to solve the above-mentioned problems, a first semiconductor device according to the present invention enhances the rigidity of a lead frame to prevent warpage of a heat sink surface.
Specifically, in the first semiconductor device according to the present invention, a power device and a control device for controlling the power device are arranged on a device mounting surface of a lead frame, and a heat sink surface as a back surface thereof is exposed to mold. A semiconductor device which is sealed with resin and fixedly contacts the heat sink surface on an external heat sink, wherein the mounting surface of the lead frame has a flat lead frame flat portion on which the power device is mounted, and A control device region in which the control device extending continuously to the lead frame flat portion is mounted, and an opposing edge portion of the lead frame flat portion is raised toward the upper side of the lead frame to form a reinforcing portion. By doing so, the rigidity of the heat sink surface is enhanced.

【0007】さらに、本発明にかかる第1の半導体装置
は、上記補強部に上記モールド樹脂が食い込む貫通孔又
は切欠部を設け、リードフレームとモールド樹脂との密
着性を向上させるのが好ましい。
Further, in the first semiconductor device according to the present invention, it is preferable that a through-hole or a cutout into which the molding resin bites is provided in the reinforcing portion to improve the adhesion between the lead frame and the molding resin.

【0008】上記課題を解決するために本発明にかかる
第2の半導体装置は、モールド樹脂部を分割し各モール
ド樹脂部の寸法を小さくして、モールド樹脂が引き起こ
す応力を低減させてヒートシンク面の変形を防止する。
具体的には、本発明にかかる第2の半導体装置は、パワ
ーデバイスと該パワーデバイスを制御する制御デバイス
とを、リードフレームのデバイス実装面に配置しその背
面であるヒートシンク面を露出させてモールド樹脂で封
止し、上記ヒートシンク面を外部放熱板上に接触固定し
てなる半導体装置であって、上記リードフレームの上記
実装面は、上記パワーデバイスが実装される平坦なリー
ドフレーム平坦部及び該リードフレーム平坦部に連続し
て延びる上記制御用デバイスが実装される制御用デバイ
ス領域を有し、上記パワーデバイスを上記リードフレー
ム平坦部に封止するパワーデバイスモールド部と、上記
制御用デバイスを封止する制御用デバイスモールド部と
が分離されていることを特徴とする。
In order to solve the above-mentioned problems, a second semiconductor device according to the present invention divides a mold resin portion, reduces the size of each mold resin portion, reduces stress caused by the mold resin, and reduces the stress caused by the mold resin. Prevent deformation.
Specifically, in the second semiconductor device according to the present invention, a power device and a control device for controlling the power device are arranged on a device mounting surface of a lead frame, and a heat sink surface as a back surface thereof is exposed to mold. A semiconductor device which is sealed with a resin and fixedly contacts the heat sink surface on an external heat sink, wherein the mounting surface of the lead frame has a flat lead frame flat portion on which the power device is mounted, and A power device molding portion for sealing the power device to the lead frame flat portion, the power device molding portion including a control device region in which the control device extending continuously to the lead frame flat portion is mounted, and sealing the control device; The control device mold section to be stopped is separated from the control device mold section.

【0009】さらに、本発明にかかる第2の半導体装置
は、上記リードフレーム平坦部の対向する縁辺部を上記
リードフレームの上方に向かって立ち上げ補強部を形成
し、ヒートシンク面の剛性を強化して、より確実にヒー
トシンク面の変形を防止するのが好ましい。
Further, in the second semiconductor device according to the present invention, the opposing edges of the flat portion of the lead frame are raised toward the upper part of the lead frame to form a reinforcing portion, thereby enhancing the rigidity of the heat sink surface. Therefore, it is preferable to more reliably prevent the deformation of the heat sink surface.

【0010】さらに、本発明にかかる第2の半導体装置
は、上記補強部に上記モールド樹脂が食い込む貫通孔又
は切欠部を設け、リードフレームとモールド樹脂との密
着性を向上させるのが好ましい。
Further, in the second semiconductor device according to the present invention, it is preferable that a through hole or a notch portion into which the molding resin bites is provided in the reinforcing portion to improve the adhesion between the lead frame and the molding resin.

【0011】また、さらに、本発明にかかる第2の半導
体装置は、上記制御用デバイス領域及び上記リードフレ
ーム平坦部に連続し、上記制御用デバイスモールド部と
上記パワーデバイスモールド部との間で露出されている
湾曲リード部を備えていること、外力を上記湾曲リード
部に吸収させることで該リード部の破損を防止し、上記
半導体装置の信頼性を向上させることができる。
Further, the second semiconductor device according to the present invention is continuous with the control device region and the lead frame flat portion, and is exposed between the control device mold portion and the power device mold portion. By providing the curved lead portion, and by absorbing the external force to the curved lead portion, breakage of the lead portion can be prevented, and the reliability of the semiconductor device can be improved.

【0012】[0012]

【発明の実施の形態】以下、本発明の実施の形態にかか
る半導体装置に関して説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a semiconductor device according to an embodiment of the present invention will be described.

【0013】実施の形態1.図1(A)に示すように、
本発明の実施1にかかる半導体装置20は、モールド部
6を外部放熱板22に固定したものである。モールド部
6はパワーデバイスチップ2、制御用デバイスチップ3
及び抵抗チップ4をリードフレーム15に封止したもの
であり、リードフレーム15は、デバイス実装面にパワ
ーデバイスチップ2を実装する部分、制御用デバイスチ
ップ3及び抵抗チップ4を実装する部分を備えている。
また、リードフレーム15はモールド部6の外部まで延
び、その端部は外部端子23をなす。図1(B)で示す
ように、上記モールド部6は、デバイス実装面のパワー
デバイスチップ2が実装されている部分の背面8(以下
ヒートシンク面とする)を露出させるように、モールド
樹脂で上記3つのチップ2,3,4を一体封止したもの
であり、リードフレーム12の制御用デバイスチップ3
及び抵抗チップ4を実装する部分は完全にモールド樹脂
で覆われている。さらに、モールド部6は、ヒートシン
ク面8を外部放熱板22に接触させて、外部放熱板22
に固定されている。尚、制御用デバイスチップ4がパワ
ーデバイスチップ2を制御する回路を形成するように、
上記3つのチップ2、3、4はボンデングワイヤ5で接
続されている。
Embodiment 1 FIG. As shown in FIG.
In the semiconductor device 20 according to the first embodiment of the present invention, the mold part 6 is fixed to the external heat sink 22. The mold part 6 includes the power device chip 2 and the control device chip 3
And the resistance chip 4 is sealed in a lead frame 15, and the lead frame 15 includes a part for mounting the power device chip 2 on the device mounting surface, and a part for mounting the control device chip 3 and the resistance chip 4. I have.
Further, the lead frame 15 extends to the outside of the mold section 6, and its end forms an external terminal 23. As shown in FIG. 1 (B), the molding part 6 is formed of a molding resin so as to expose a back surface 8 (hereinafter referred to as a heat sink surface) of a part of the device mounting surface on which the power device chip 2 is mounted. A device chip 3 for controlling the lead frame 12 in which three chips 2, 3 and 4 are integrally sealed.
The portion where the resistor chip 4 is mounted is completely covered with the mold resin. Further, the mold portion 6 contacts the heat sink surface 8 with the external heat radiating plate 22 and
It is fixed to. Note that the control device chip 4 forms a circuit for controlling the power device chip 2,
The above three chips 2, 3, 4 are connected by a bonding wire 5.

【0014】他方、図1(A)に示すように、パワーデ
バイスチップ2は、リードフレーム12のデバイス実装
面の平坦な部分であるパワーデバイス領域16aに実装
されていて、さらに、パワーデバイス領域16aの両側
にリードフレーム12の縁辺部に沿って延びるリードフ
レーム壁16bを設けることで、パワーデバイス領域1
6aを補強している。
On the other hand, as shown in FIG. 1A, the power device chip 2 is mounted on a power device region 16a which is a flat portion of a device mounting surface of the lead frame 12, and furthermore, the power device region 16a By providing lead frame walls 16b extending along the edges of the lead frame 12 on both sides of the power device region 1,
6a is reinforced.

【0015】詳細には、図1(C)に示すように、リー
ドフレーム壁16bは、パワーデバイス領域16aに対
して外側上方に向かって延びていて、リードフレーム壁
16bの側面には図1(A)、(B)で示すように複数
の貫通孔9が設けられている。本実施の形態では、上記
貫通孔9の直径を0.6mm、貫通孔9の間隔を2mm
とする。
More specifically, as shown in FIG. 1C, the lead frame wall 16b extends outward and upward with respect to the power device region 16a, and the side of the lead frame wall 16b is formed as shown in FIG. A plurality of through holes 9 are provided as shown in FIGS. In the present embodiment, the diameter of the through hole 9 is 0.6 mm, and the distance between the through holes 9 is 2 mm.
And

【0016】上記のように、リードフレーム15にリー
ドフレーム壁16bを設けることによって、リードフレ
ーム15のヒートシンク面8の剛性が強化されるので、
チップ2、3、4を封止する際に発生する応力によるリ
ードフレーム15の変形を防止し、ヒートシンク面8の
反りを防ぐ。従って、ヒートシンク面8を平面に保持さ
れ、図1(B)、(C)で示すように、ヒートシンク面
8は、外部放熱板22に隙間なく接触し、パワーデバイ
ス2で発生する熱を効率良く放熱させることができる。
As described above, by providing the lead frame wall 16b on the lead frame 15, the rigidity of the heat sink surface 8 of the lead frame 15 is enhanced.
The deformation of the lead frame 15 due to the stress generated when the chips 2, 3, and 4 are sealed is prevented, and the heat sink surface 8 is prevented from warping. Therefore, the heat sink surface 8 is held flat, and as shown in FIGS. 1B and 1C, the heat sink surface 8 contacts the external heat sink 22 without any gap, and efficiently removes the heat generated by the power device 2. Heat can be dissipated.

【0017】また、リードフレーム壁16bに形成され
た貫通孔9にモールド樹脂が食い込むので、モールド樹
脂とリードフレーム15との密着性が高まり、半導体装
置20aの信頼性が向上される。
Further, since the molding resin penetrates into the through holes 9 formed in the lead frame wall 16b, the adhesion between the molding resin and the lead frame 15 is enhanced, and the reliability of the semiconductor device 20a is improved.

【0018】次に、上記半導体装置20の第1の変形例
にかかる半導体装置20aについて説明する。図3で示
すように、半導体装置20aは、リードフレーム壁16
bにリードフレーム壁15の底面側に向かって開口する
切欠け10aを形成したこと特徴とする。本実施の形態
においては、上記切欠け10aの寸法は、一辺を1m
m、切欠け間の間隔を3mmとする。切欠け10aを設
けたことを除いて、上記半導体装置20aは、上記実施
の形態1にかかる半導体装置20と同様である。
Next, a semiconductor device 20a according to a first modification of the semiconductor device 20 will be described. As shown in FIG. 3, the semiconductor device 20a is
b, a notch 10a opening toward the bottom side of the lead frame wall 15 is formed. In the present embodiment, the size of the notch 10a is 1 m on one side.
m, and the interval between the notches is 3 mm. The semiconductor device 20a is the same as the semiconductor device 20 according to the first embodiment except that the notch 10a is provided.

【0019】リードフレーム壁16bに形成された切欠
け10aにモールド樹脂が食い込むので、モールド樹脂
とリードフレーム15との密着性が高まり、半導体装置
20aの信頼性が向上される。
Since the mold resin bites into the notch 10a formed in the lead frame wall 16b, the adhesion between the mold resin and the lead frame 15 is enhanced, and the reliability of the semiconductor device 20a is improved.

【0020】次に、上記半導体装置20の第1の変形例
にかかる半導体装置20bについて説明する。図3で示
すように、半導体装置20bは、リードフレーム壁16
bに該リードフレーム壁16bの上端辺に向かって開口
する切欠け10bを形成したものである。本実施の形態
においては、上記切欠け10bの寸法は、一辺を1m
m、切欠け間の間隔を3mmとする。切欠け10を設け
たことを除いて、上記半導体装置20bは上記実施の形
態1にかかる半導体装置20と同様である。
Next, a semiconductor device 20b according to a first modification of the semiconductor device 20 will be described. As shown in FIG. 3, the semiconductor device 20b is
b is formed with a notch 10b opening toward the upper end side of the lead frame wall 16b. In the present embodiment, the size of the notch 10b is 1 m on one side.
m, and the interval between the notches is 3 mm. Except that the notch 10 is provided, the semiconductor device 20b is the same as the semiconductor device 20 according to the first embodiment.

【0021】上記の構造においては、リードフレーム壁
16bに形成された切欠け10bにモールド樹脂が食い
込むので、モールド樹脂とリードフレーム15との密着
性が高まり、半導体装置20bの信頼性を向上させるこ
とができる。
In the above structure, since the molding resin penetrates into the notch 10b formed in the lead frame wall 16b, the adhesion between the molding resin and the lead frame 15 is increased, and the reliability of the semiconductor device 20b is improved. Can be.

【0022】尚、前述した実施の形態1においては、リ
ードフレーム壁16bは、リードフレーム平面部に対し
て斜め上方に延びているが、本願発明は、リードフレー
ム壁をリードフレーム平面部に対して斜め上方に延びる
ものに限定するものではなく、リードフレーム壁は平面
部に対して鉛直上方に延びるものであってもよい。
In the above-described first embodiment, the lead frame wall 16b extends obliquely upward with respect to the lead frame plane portion. The lead frame wall is not limited to the one extending obliquely upward, and the lead frame wall may extend vertically upward relative to the plane portion.

【0023】実施の形態2.次に、本発明の実施の形態
2にかかる半導体装置21について説明する。図4
(A)で示すように、半導体装置21は、パワーデバイ
ス用モールド部6a及び制御用デバイス用モールド部6
bを備えていて、パワーデバイス用モールド部6aが外
部放熱板22に固定されたものである。パワーデバイス
用モールド部6aはパワーデバイスチップ2を、制御用
デバイス用モールド部6bは抵抗チップ4と制御用チッ
プ3を、各々別々にリードフレーム15aに封止するも
のである。上記実施の形態1と同様に、リードフレーム
15aは、デバイス実装面にパワーデバイスチップ2を
実装する部分、制御用デバイスチップ3及び抵抗チップ
4を実装する部分を備えている。また、リードフレーム
15の端部は外部用端子23の役割を果たす。
Embodiment 2 FIG. Next, a semiconductor device 21 according to a second embodiment of the present invention will be described. FIG.
As shown in (A), the semiconductor device 21 includes a power device mold portion 6a and a control device mold portion 6a.
b, and the power device mold portion 6 a is fixed to the external heat sink 22. The power device mold portion 6a seals the power device chip 2 and the control device mold portion 6b seals the resistor chip 4 and the control chip 3 separately in the lead frame 15a. As in the first embodiment, the lead frame 15a includes a portion for mounting the power device chip 2 on the device mounting surface, and a portion for mounting the control device chip 3 and the resistor chip 4 on the device mounting surface. The end of the lead frame 15 plays the role of an external terminal 23.

【0024】詳細には、図4(B)で示すように、パワ
ーデバイス用モールド部6aは、デバイス実装面のパワ
ーデバイスチップ2が実装されている部分の背面8(以
下ヒートシンク面とする)を露出させるようにモールド
樹脂でパワーデバイスチップ2を封止する。一方、制御
デバイス用モールド部6bは、制御用デバイスチップ3
及び抵抗チップ4が実装されている部分をモールド樹脂
で完全に覆うように両チップ3、4を封止する。
More specifically, as shown in FIG. 4B, the power device mold portion 6a has a back surface 8 (hereinafter referred to as a heat sink surface) of a portion of the device mounting surface on which the power device chip 2 is mounted. The power device chip 2 is sealed with a mold resin so as to be exposed. On the other hand, the control device mold part 6b is
Then, both chips 3 and 4 are sealed so as to completely cover the portion where the resistor chip 4 is mounted with the mold resin.

【0025】他方、パワーデバイス用モールド部6aと
制御用デバイスモールド部6bとの間にリードフレーム
15aの一部分17(以下露出リード部とする)が露出
されている。尚、制御用ICチップ4がパワーデバイス
チップ2を制御する回路を形成するように、上記3つの
チップ2、3、4はボンデングワイヤ5で接続されてい
る。
On the other hand, a portion 17 of the lead frame 15a (hereinafter referred to as an exposed lead portion) is exposed between the power device mold portion 6a and the control device mold portion 6b. The three chips 2, 3, 4 are connected by bonding wires 5 so that the control IC chip 4 forms a circuit for controlling the power device chip 2.

【0026】モールド部を二分割することで、パワーデ
バイス用モールド部6aと制御用デバイスモールド部6
bの寸法が小型になる。こうすると、リードフレーム1
5dにパワーデバイスチップ2を封止する際に発生する
応力が減少するので、ヒートシンク面8が変形すること
を防止し、ヒートシンク面の平面度を確保することがで
きる。
By dividing the mold part into two parts, a power device mold part 6a and a control device mold part 6a are formed.
The size of b becomes smaller. Then, lead frame 1
Since the stress generated when sealing the power device chip 2 at 5d is reduced, the heat sink surface 8 is prevented from being deformed, and the flatness of the heat sink surface can be ensured.

【0027】尚、リードフレーム12のデバイス実装面
のパワーデバイスチップが実装されるパワーデバイス領
域両側に、実施の形態1と同様のリードフレーム壁を設
けてもよい。こうすることで、ヒートシンク面の剛性が
強化され、ヒートシンク面の平面度をより確実に確保す
ることができる。
Note that lead frame walls similar to those of the first embodiment may be provided on both sides of the power device area on the device mounting surface of the lead frame 12 where the power device chip is mounted. By doing so, the rigidity of the heat sink surface is enhanced, and the flatness of the heat sink surface can be more reliably ensured.

【0028】さらに、上記リードフレーム壁に実施の形
態1と同様の貫通孔又は切欠部を設けて、モールド樹脂
をリードフレームと密着性を向上させてもよい。
Further, a through hole or a notch similar to that of the first embodiment may be provided in the lead frame wall to improve the adhesion of the mold resin to the lead frame.

【0029】次に、図5を参照して、上記実施の形態2
にかかる半導体装置の変形例21aに関して説明する。
変形例にかかる半導体装置21aは、上述した半導体装
置21の露出リード部17にU字状屈曲形状部17aを
設けたものである。
Next, referring to FIG. 5, the second embodiment will be described.
A modification 21a of the semiconductor device according to the first embodiment will be described.
The semiconductor device 21a according to the modified example is such that the exposed lead portion 17 of the semiconductor device 21 described above is provided with a U-shaped bent portion 17a.

【0030】露出リード部17にU字状屈曲形状部17
aを設けることによって、半導体装置21aの外部端子
23に別の部品等を接続した場合に外部端子23に伝わ
る外力を、U字状屈曲形状部17aで吸収することで、
露出リード部17の破損を防止する。
The exposed lead portion 17 has a U-shaped bent portion 17.
By providing a, external force transmitted to the external terminal 23 when another component or the like is connected to the external terminal 23 of the semiconductor device 21a is absorbed by the U-shaped bent portion 17a.
The exposed lead portion 17 is prevented from being damaged.

【0031】[0031]

【発明の効果】本発明の第1の半導体装置によると、リ
ードフレームのパワーデバイスチップが実装される平坦
部の両側にリードフレーム壁を設けることによって、リ
ードフレームのヒートシンク面の剛性を強化し、モール
ド樹脂の応力によってリードフレームのヒートシンク面
が変形することを防止する。
According to the first semiconductor device of the present invention, the rigidity of the heat sink surface of the lead frame is enhanced by providing the lead frame walls on both sides of the flat portion of the lead frame on which the power device chip is mounted, The deformation of the heat sink surface of the lead frame due to the stress of the mold resin is prevented.

【0032】本発明の第1の半導体装置によると、上記
リードフレーム壁に貫通孔又は切欠部を設けることのよ
って、モールド樹脂が上記貫通孔又は切欠部に食い込み
半導体装置の信頼性を向上させることができる。
According to the first semiconductor device of the present invention, by providing a through hole or a notch in the lead frame wall, the mold resin bites into the through hole or the notch to improve the reliability of the semiconductor device. Can be.

【0033】本発明の第2の半導体装置によると、パワ
ーデバイスチップを封止するパワーデバイスモールド部
と制御用デバイスチップを封止する制御用デバイスモー
ルド部とを分離して設けることで、各モールド部の寸法
を小型し、モールド樹脂が発生する応力を低減させ、リ
ードフレームの変形を防止する。
According to the second semiconductor device of the present invention, the power device mold section for sealing the power device chip and the control device mold section for sealing the control device chip are separately provided, so that each mold is provided. The size of the portion is reduced, the stress generated by the molding resin is reduced, and the deformation of the lead frame is prevented.

【0034】本発明の第2の半導体装置によると、リー
ドフレームのパワーデバイスチップが実装される平坦部
の両側にリードフレーム壁を設けることによって、リー
ドフレームのヒートシンク面の剛性を強化し、モールド
樹脂の応力によってリードフレームのヒートシンク面が
変形することをより確実に防止する。
According to the second semiconductor device of the present invention, the rigidity of the heat sink surface of the lead frame is enhanced by providing the lead frame walls on both sides of the flat portion of the lead frame on which the power device chip is mounted, and the molding resin is provided. This prevents the heat sink surface of the lead frame from being deformed by the stress.

【0035】本発明の第2の半導体装置によると、上記
リードフレーム壁に貫通孔又は切欠部を設けることによ
って、モールド樹脂が上記貫通孔又は切欠部に食い込み
半導体装置の信頼性を向上させることができる。
According to the second semiconductor device of the present invention, by providing a through hole or a notch in the lead frame wall, the mold resin can cut into the through hole or the notch to improve the reliability of the semiconductor device. it can.

【0036】本発明の第2の半導体装置によると、パワ
ーデバイスモールド部と制御用デバイスモールド部との
間に形成されている露出リード部に湾曲部を設けること
で、外力による露出リード部の破損を防止する。
According to the second semiconductor device of the present invention, the exposed lead portion formed between the power device mold portion and the control device mold portion is provided with a curved portion, so that the exposed lead portion is damaged by an external force. To prevent

【図面の簡単な説明】[Brief description of the drawings]

【図1】 本発明の実施の形態1にかかる半導体装置を
示すもので、(A)は上面図を、(B)は側面図を、
(C)は(A)の線IC−ICに沿った断面図を示す。
1A and 1B show a semiconductor device according to a first embodiment of the present invention, wherein FIG. 1A is a top view, FIG.
(C) shows a cross-sectional view along the line IC-IC of (A).

【図2】 本発明の実施の形態1にかかる半導体装置の
第1の変形例を示すもので、(A)は上面図を、(B)
は側面図を示す。
FIGS. 2A and 2B show a first modification of the semiconductor device according to the first embodiment of the present invention, in which FIG.
Shows a side view.

【図3】 本発明の実施の形態1にかかる半導体装置の
第2の変形例を示すもので、(A)は上面図を、(B)
は側面図を示す。
FIGS. 3A and 3B show a second modification of the semiconductor device according to the first embodiment of the present invention, wherein FIG. 3A is a top view and FIG.
Shows a side view.

【図4】 本発明の実施の形態2にかかる半導体装置を
示すもので、(A)は上面図を、(B)は側面図をを示
す。
4A and 4B show a semiconductor device according to a second embodiment of the present invention, wherein FIG. 4A is a top view and FIG. 4B is a side view.

【図5】 本発明の実施の形態2にかかる半導体装置の
変形例を示すもので、(A)は上面図を、(B)は側面
図を示す。
FIGS. 5A and 5B show a modification of the semiconductor device according to the second embodiment of the present invention, wherein FIG. 5A is a top view and FIG. 5B is a side view.

【図6】 従来例にかかる半導体装置を示すもので、
(A)は上面図を、(B)は側面図を示す。
FIG. 6 illustrates a semiconductor device according to a conventional example.
(A) shows a top view and (B) shows a side view.

【符号の説明】[Explanation of symbols]

2 パワーデバイスチップ、 3 制御用デバイスチッ
プ、 6 モールド部、 6a パワーデバイス用モー
ルド部、 6b 制御用デバイス用モールド部、 8
ヒートシンク面、 9 貫通孔、 10a 切欠部、
10b 切欠部、 15 リードフレーム、 15a
リードフレーム、 16a パワーデバイス領域、 1
6b リードフレーム壁、 20 半導体装置、 20
a 半導体装置、 20b 半導体装置、 21 半導
体装置、 21a 半導体装置、22 外部放熱板。
2 Power device chip, 3 Control device chip, 6 Mold part, 6a Power device mold part, 6b Control device mold part, 8
Heat sink surface, 9 through hole, 10a notch,
10b notch, 15 lead frame, 15a
Lead frame, 16a power device area, 1
6b Lead frame wall, 20 semiconductor device, 20
a semiconductor device, 20b semiconductor device, 21 semiconductor device, 21a semiconductor device, 22 external heat sink.

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】 パワーデバイスと該パワーデバイスを制
御する制御デバイスとを、リードフレームのデバイス実
装面に配置しその背面であるヒートシンク面を露出させ
てモールド樹脂で封止し、上記ヒートシンク面を外部放
熱板上に接触固定してなる半導体装置であって、 上記リードフレームの上記実装面は、上記パワーデバイ
スが実装される平坦なリードフレーム平坦部及び該リー
ドフレーム平坦部に連続して延びる上記制御用デバイス
が実装される制御用デバイス領域を有し、 上記リードフレーム平坦部の対向する縁辺部を上記リー
ドフレームの上方に向かって立ち上げ補強部を形成した
ことを特徴とする半導体装置。
1. A power device and a control device for controlling the power device are arranged on a device mounting surface of a lead frame, a heat sink surface as a back surface thereof is exposed, and sealed with a mold resin. A semiconductor device fixedly contacted on a heat sink, wherein the mounting surface of the lead frame is a flat lead frame flat portion on which the power device is mounted and the control device extending continuously to the lead frame flat portion. A semiconductor device having a control device region on which a device for mounting is mounted, wherein a reinforcement portion is formed by raising an opposing edge of the flat portion of the lead frame toward above the lead frame.
【請求項2】 上記補強部に上記モールド樹脂が食い込
む貫通孔又は切欠部を備えていることを特徴とする請求
項1記載の半導体装置。
2. The semiconductor device according to claim 1, wherein the reinforcing portion includes a through hole or a cutout into which the mold resin bites.
【請求項3】 パワーデバイスと該パワーデバイスを制
御する制御デバイスとを、リードフレームのデバイス実
装面に配置しその背面であるヒートシンク面を露出させ
てモールド樹脂で封止し、上記ヒートシンク面を外部放
熱板上に接触固定してなる半導体装置であって、 上記リードフレームの上記実装面は、上記パワーデバイ
スが実装される平坦なリードフレーム平坦部及び該リー
ドフレーム平坦部に連続して延びる上記制御用デバイス
が実装される制御用デバイス領域を有し、 上記パワーデバイスを上記リードフレーム平坦部に封止
するパワーデバイスモールド部と、上記制御用デバイス
を封止する制御用デバイスモールド部とが分離されてい
ることを特徴とする半導体装置。
3. A power device and a control device for controlling the power device are arranged on a device mounting surface of a lead frame, and a heat sink surface as a back surface thereof is exposed and sealed with a mold resin. A semiconductor device fixedly contacted on a heat sink, wherein the mounting surface of the lead frame is a flat lead frame flat portion on which the power device is mounted and the control device extending continuously to the lead frame flat portion. A power device mold section for sealing the power device in the flat portion of the lead frame and a control device mold section for sealing the control device. A semiconductor device characterized in that:
【請求項4】 上記リードフレーム平坦部の対向する縁
辺部を上記リードフレームの上方に向かって立ち上げ補
強部を形成したことを特徴とする請求項3記載の半導体
装置。
4. The semiconductor device according to claim 3, wherein a reinforcement portion is formed by raising an opposite edge of the flat portion of the lead frame toward an upper side of the lead frame.
【請求項5】 上記補強部に上記モールド樹脂が食い込
む貫通孔又は切欠部を備えていることを特徴とする請求
項4記載の半導体装置。
5. The semiconductor device according to claim 4, wherein the reinforcing portion has a through hole or a cutout into which the mold resin bites.
【請求項6】 上記制御用デバイス領域及び上記リード
フレーム平坦部に連続し上記制御用デバイスモールド部
と上記パワーデバイスモールド部との間で露出されてい
る湾曲リード部を備えていることを特徴とする請求項3
〜5のいずれか一つに記載の半導体装置。
6. A curved lead portion which is continuous with the control device region and the lead frame flat portion and is exposed between the control device mold portion and the power device mold portion. Claim 3
6. The semiconductor device according to any one of items 5 to 5.
JP10217041A 1998-07-31 1998-07-31 Semiconductor device Pending JP2000049271A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP10217041A JP2000049271A (en) 1998-07-31 1998-07-31 Semiconductor device
KR1019990011174A KR20000011229A (en) 1998-07-31 1999-03-31 Semiconductor device
DE19915065A DE19915065A1 (en) 1998-07-31 1999-04-01 Semiconductor module with improved heat dissipation; has power component and control component chip on fastening face of carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10217041A JP2000049271A (en) 1998-07-31 1998-07-31 Semiconductor device

Publications (1)

Publication Number Publication Date
JP2000049271A true JP2000049271A (en) 2000-02-18

Family

ID=16697921

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10217041A Pending JP2000049271A (en) 1998-07-31 1998-07-31 Semiconductor device

Country Status (3)

Country Link
JP (1) JP2000049271A (en)
KR (1) KR20000011229A (en)
DE (1) DE19915065A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009070934A (en) * 2007-09-12 2009-04-02 Hitachi Ltd Power semiconductor module, and manufacturing method thereof
JP2011029588A (en) * 2009-06-24 2011-02-10 Denso Corp Linked semiconductor module and motor with built-in electronic circuit using the same
JPWO2015104834A1 (en) * 2014-01-10 2017-03-23 三菱電機株式会社 Power semiconductor device
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Publication number Priority date Publication date Assignee Title
WO2005059995A2 (en) * 2003-12-18 2005-06-30 Rf Module And Optical Design Limited Semiconductor package with integrated heatsink and electromagnetic shield

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009070934A (en) * 2007-09-12 2009-04-02 Hitachi Ltd Power semiconductor module, and manufacturing method thereof
JP2011029588A (en) * 2009-06-24 2011-02-10 Denso Corp Linked semiconductor module and motor with built-in electronic circuit using the same
US8630095B2 (en) 2009-06-24 2014-01-14 Denso Corporation Linked semiconductor module unit and electronic circuit-integrated motor vehicle device using same
US9025336B2 (en) 2009-06-24 2015-05-05 Denso Corporation Linked semiconductor module unit and electronic circuit-integrated motor device using same
JPWO2015104834A1 (en) * 2014-01-10 2017-03-23 三菱電機株式会社 Power semiconductor device
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WO2023203754A1 (en) * 2022-04-22 2023-10-26 三菱電機株式会社 Capacitor unit and electronic device

Also Published As

Publication number Publication date
KR20000011229A (en) 2000-02-25
DE19915065A1 (en) 2000-02-10

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