JPH042156A - Power semiconductor device - Google Patents

Power semiconductor device

Info

Publication number
JPH042156A
JPH042156A JP2101782A JP10178290A JPH042156A JP H042156 A JPH042156 A JP H042156A JP 2101782 A JP2101782 A JP 2101782A JP 10178290 A JP10178290 A JP 10178290A JP H042156 A JPH042156 A JP H042156A
Authority
JP
Japan
Prior art keywords
power semiconductor
semiconductor device
cooling member
cooling body
hollow
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
JP2101782A
Other languages
Japanese (ja)
Inventor
Toshihiro Nomura
野村 年弘
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP2101782A priority Critical patent/JPH042156A/en
Publication of JPH042156A publication Critical patent/JPH042156A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01L2224/48225Connecting 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
    • H01L2224/48227Connecting 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 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

Landscapes

  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

PURPOSE:To increase the heat resistance of a power semiconductor device by brazing the semiconductor device, directly or with metal and ceramic between, to the outside of a cooling member having a hollow as a passage of coolant to minimize the thermal resistance of the heat path from the semiconductor device to the cooling member. CONSTITUTION:A cooling member 8 includes a hollow 8a through which cooling liquid flows, and the end of the cooling member is provided with male or female couplers 9 each having a tapered screw for connecting a hose. Power semiconductor devices 2a and 2b, such as transistors and diodes, are fitted on the cooling member by brazing directly or with a ceramic sheet 3 or a thin conductor 4 between them. Coolant, such as water, is supplied through the hollow 8a in the cooling member 8 to cool the semiconductor devices 2a and 2b.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、トランジスタ、ダイオード等の電力用半導体
素子と冷却装置とを組合わせる電力用半導体装置に関す
る。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a power semiconductor device that combines a power semiconductor element such as a transistor or a diode with a cooling device.

〔従来の技術〕[Conventional technology]

従来の電力用半導体装置は、第8図に示すように、トラ
ンジスタ、ダイオード等の電力用半導体素子2は直接に
またはセラミック板3や薄い導体4を介して銅やアルミ
等の金属製基板10片側に組込まれており、この基板1
の反対側を伝熱用グリースを塗布してネジ15等で冷却
体8に圧接している。この冷却体8はヒートシンクと称
されるもので、周知のごとくフィンを有する空冷式のも
のや冷媒管を組込んだ液冷式のものである。
In a conventional power semiconductor device, as shown in FIG. 8, power semiconductor elements 2 such as transistors and diodes are mounted on one side of a metal substrate 10 made of copper, aluminum, etc., either directly or via a ceramic plate 3 or a thin conductor 4. This board 1
The opposite side is coated with heat transfer grease and is pressed against the cooling body 8 with screws 15 or the like. This cooling body 8 is called a heat sink, and as is well known, it is an air-cooled type having fins or a liquid-cooled type with built-in refrigerant pipes.

また、半導体素子2a、2bの周囲を保護枠13で囲い
、その内部に耐候性樹脂14を充填する。
Further, the semiconductor elements 2a and 2b are surrounded by a protective frame 13, and a weather-resistant resin 14 is filled inside the protective frame 13.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

しかしこのような従来の電力用半導体装置では、基板1
と冷却体8との圧接部分に熱抵抗が生じやすいのが問題
である。この部分には、基板1への半導体素子2の取付
けほどの寸法精度を確保することが難しく、基板1と冷
却体8の圧接部の機械的反りや、塵芥の混入や、伝熱用
グリースの枯れ等による伝熱性能の低下など、さらに組
立時及び分解修理時の作業上の不安定要素などが問題点
としてあげられる。
However, in such conventional power semiconductor devices, the substrate 1
The problem is that thermal resistance tends to occur at the pressure contact portion between the cooling body 8 and the cooling body 8. In this part, it is difficult to ensure the same dimensional accuracy as when attaching the semiconductor element 2 to the substrate 1, and there is a risk of mechanical warping of the press-contact part between the substrate 1 and the cooling body 8, contamination of dust, and heat transfer grease. Problems include a decline in heat transfer performance due to drying, etc., and unstable factors during assembly and disassembly and repair.

本発明の目的は前記従来例の不都合を解消し、半導体素
子内部以外の熱抵抗を極力小さくでき、その結果として
半導体素子の耐熱性能を高く期待できるので同一素子に
よる電力容量の増大や小形化、高倍転化が図れる電力用
半導体装置を提供することにある。
The purpose of the present invention is to eliminate the disadvantages of the conventional example, to minimize the thermal resistance of parts other than the inside of the semiconductor element, and as a result, the heat resistance performance of the semiconductor element can be expected to be high. An object of the present invention is to provide a power semiconductor device that can achieve high conversion.

〔課題を解決するための手段〕[Means to solve the problem]

本発明は前記目的を達成するため、冷媒液を通流させる
中空部を有する液冷式の冷却体の外側に、直接または金
属とセラミックを介して電力用半導体素子をロー付けし
たことを要旨とするものである。
In order to achieve the above-mentioned object, the gist of the present invention is that a power semiconductor element is brazed to the outside of a liquid-cooled cooling body having a hollow part through which a refrigerant liquid flows, either directly or through metal and ceramic. It is something to do.

〔作用] 現在、一般的に素子のみの熱抵抗は、装置全体の熱抵抗
の1/10〜1/20程度といわれている。
[Operation] Currently, it is generally said that the thermal resistance of the element alone is about 1/10 to 1/20 of the thermal resistance of the entire device.

また、一般的に素子内の最高許容温度を約150゜C以
下に押さえるべく設計される。
Further, the device is generally designed to keep the maximum allowable temperature within the device to about 150° C. or less.

従って、素子以外の熱抵抗をゼロにできれば、同じ半導
体素子で10〜20倍の電力を取扱うことができる。
Therefore, if the thermal resistance of components other than the element can be reduced to zero, the same semiconductor element can handle 10 to 20 times more power.

本発明によれば、銅やアルミ等の金属製基板を省略して
組立時に接合する圧接部がなくなるので、この部分で生
じる熱抵抗もゼロとなる。
According to the present invention, the substrate made of metal such as copper or aluminum is omitted and there is no press-contact portion to be joined during assembly, so the thermal resistance generated in this portion also becomes zero.

〔実施例〕〔Example〕

以下、図面について本発明の実施例を詳細に説明する。 Embodiments of the present invention will be described in detail below with reference to the drawings.

第1図は本発明の第1実施例を示す側面図、第2図は同
上縦断正面図で、図中8は冷却体である。
FIG. 1 is a side view showing a first embodiment of the present invention, and FIG. 2 is a longitudinal sectional front view of the same. In the figure, 8 is a cooling body.

該冷却体8は液冷式のもので、冷媒液を通流させる中空
部8aを有し、端部にホース接続用のテーパーネジによ
るオスまたはメスのカブラ9を受口を介して設けている
The cooling body 8 is of a liquid-cooled type and has a hollow part 8a through which a refrigerant liquid flows, and a male or female cover 9 with a tapered screw for connecting a hose is provided at the end via a socket. .

図中11は、冷媒の接触面積を増すため、中空部8aに
向けて内壁面に突設する複数条の突条を示す。
In the figure, reference numeral 11 indicates a plurality of protrusions that protrude from the inner wall surface toward the hollow portion 8a in order to increase the contact area of the refrigerant.

本発明は、このような液冷式の冷却体8の外側にトラン
ジスタ、ダイオード等の電力用半導体素子2a、2bを
直接にまたはセラミック板3や薄い導体4を介してロー
付けした。
In the present invention, power semiconductor elements 2a and 2b such as transistors and diodes are brazed to the outside of such a liquid-cooled cooling body 8 directly or via a ceramic plate 3 or a thin conductor 4.

該セラミック板3は伝熱と絶縁を目的とした板で、非絶
縁の場合は省略できる。
The ceramic plate 3 is a plate for the purpose of heat transfer and insulation, and can be omitted if it is not insulated.

前記導体4と半導体素子2a、2bをそれぞれ冷却体8
の上に重ねてロー付けし、ボンディングワイヤ12で接
続して第3図に示すような回路を構成する。
The conductor 4 and the semiconductor elements 2a and 2b are each connected to a cooling body 8.
They are stacked on top of each other and brazed, and connected with bonding wires 12 to form a circuit as shown in FIG.

さらに、その上から耐候性樹脂14で半導体素子2a、
2bを囲繞して保護する。
Furthermore, the semiconductor element 2a is covered with a weather-resistant resin 14,
Surround and protect 2b.

このようにして、冷却体8の中空部8aには水等の冷媒
が通流し、半導体素子2a、2bを冷却体8が直接的に
冷却する。
In this way, a coolant such as water flows through the hollow portion 8a of the cooling body 8, and the cooling body 8 directly cools the semiconductor elements 2a and 2b.

第4図、第5図は本発明の第2実施例を示すもので、冷
却体8の取付は面に開口16を形成し、この間口16の
上に直接半導体素子2a、2bをのせたセラミック板3
をロー付けし、開口16を該セラミック板3で水密に閉
塞するようにした。
4 and 5 show a second embodiment of the present invention, in which a cooling body 8 is mounted on a ceramic plate having an opening 16 formed in its surface, and semiconductor elements 2a and 2b placed directly on this opening 16. Board 3
was brazed so that the opening 16 was watertightly closed with the ceramic plate 3.

このようにす°れば、中空部8aを通流する水等の冷媒
は開口16を介して直接セラミック板3に触れ、より冷
媒を半導体素子2a、2bに近づけることができる。
By doing so, the coolant such as water flowing through the hollow portion 8a directly contacts the ceramic plate 3 through the opening 16, and the coolant can be brought closer to the semiconductor elements 2a and 2b.

第6図、第7図は本発明の第3実施例を示すもので、前
記第2実施例の構成に加えて、冷却体8の中空部8a内
に発熱量の多い半導体部分のみ凸部17を設けて流通路
を狭め、流速を増し冷却効果を高めるようにした。
6 and 7 show a third embodiment of the present invention, in which, in addition to the structure of the second embodiment, only a convex portion 17 is provided in the hollow portion 8a of the cooling body 8 in the semiconductor portion that generates a large amount of heat. was installed to narrow the flow path and increase the flow velocity to enhance the cooling effect.

なお、前記第1実施例〜第3実施例のすべてにおいて、
冷却体8は液冷式のものであり、風冷式にくらべ比較的
小形のものが多いので、半導体素子2a、2bをロー付
けするのに技術的な問題点は生じないですむ。また、第
3図の回路例は電力用半導体装置の単なる一例を示すも
ので、実用的には半導体素子ばかりでな(コンデンサ、
抵抗、リアクトル等の周辺回路部品を含んだ半導体装置
である方がより小形高性能化の効果は大きいことは言う
までもない。
In addition, in all of the first to third embodiments,
Since the cooling body 8 is of a liquid-cooled type and is often relatively smaller than that of an air-cooled type, there is no technical problem in brazing the semiconductor elements 2a and 2b. Furthermore, the circuit example shown in Fig. 3 is merely an example of a power semiconductor device, and in practical use, it is not limited to only semiconductor elements (capacitors,
It goes without saying that semiconductor devices that include peripheral circuit components such as resistors and reactors are more effective in achieving smaller size and higher performance.

〔発明の効果〕〔Effect of the invention〕

以上述べたように本発明の電力用半導体装置は、半導体
素子内部以外の熱抵抗すなわち半導体素子から冷却体ま
での熱抵抗を極力小さくでき、しかも不安定な部分がな
くなるので、その結果として半導体素子の耐熱性能を高
く期待でき、装置全体を小型化、高信幀化できるもので
ある。
As described above, in the power semiconductor device of the present invention, the thermal resistance other than inside the semiconductor element, that is, the thermal resistance from the semiconductor element to the cooling body, can be minimized as much as possible, and unstable parts are eliminated. High heat resistance performance can be expected, and the entire device can be made smaller and more reliable.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の電力用半導体装置の第1実施例を示す
側面図、第2図は同上縦断正面図、第3図は等価回路図
、第4図は第2実施例を示す縦断側面図、第5図は同上
縦断正面図、第6図は第3実施例を示す縦断側面図、第
7図は同上縦断正面図、第8図は従来例を示す側面図で
ある。 1・・・基板 2.2a、2b・・・半導体素子
FIG. 1 is a side view showing a first embodiment of a power semiconductor device of the present invention, FIG. 2 is a longitudinal sectional front view of the same, FIG. 3 is an equivalent circuit diagram, and FIG. 4 is a longitudinal sectional side view showing a second embodiment. 5 is a longitudinal sectional front view of the same, FIG. 6 is a longitudinal sectional side view showing the third embodiment, FIG. 7 is a longitudinal sectional front view of the same, and FIG. 8 is a side view of the conventional example. 1...Substrate 2.2a, 2b...Semiconductor element

Claims (1)

【特許請求の範囲】[Claims]  冷媒液を通流させる中空部を有する液冷式の冷却体の
外側に、直接または金属とセラミックを介して電力用半
導体素子をロー付けしたことを特徴とする電力用半導体
装置。
A power semiconductor device comprising: a power semiconductor element brazed directly or via metal and ceramic to the outside of a liquid-cooled cooling body having a hollow portion through which a refrigerant liquid flows.
JP2101782A 1990-04-19 1990-04-19 Power semiconductor device Pending JPH042156A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2101782A JPH042156A (en) 1990-04-19 1990-04-19 Power semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2101782A JPH042156A (en) 1990-04-19 1990-04-19 Power semiconductor device

Publications (1)

Publication Number Publication Date
JPH042156A true JPH042156A (en) 1992-01-07

Family

ID=14309763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2101782A Pending JPH042156A (en) 1990-04-19 1990-04-19 Power semiconductor device

Country Status (1)

Country Link
JP (1) JPH042156A (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001082424A1 (en) * 2000-04-26 2001-11-01 Mitsubishi Heavy Industries, Ltd. Cooling block, ld device with the cooling block, and solid laser device using the ld device as excitation light source
US6621701B2 (en) 2001-10-09 2003-09-16 Hitachi, Ltd. Water cooled inverter
US6885553B2 (en) 2002-09-27 2005-04-26 Rockwell Automation Technologies, Inc. Bus bar assembly for use with a compact power conversion assembly
JP2005229095A (en) * 2004-01-13 2005-08-25 Seiko Epson Corp Light source device and projection-type display device
US6956742B2 (en) 2002-09-27 2005-10-18 Rockwell Automation Technologies, Inc. Compact liquid converter assembly
US7068507B2 (en) 2002-09-27 2006-06-27 Rockwell Automation Technologies, Inc. Compact liquid converter assembly
JP2006287017A (en) * 2005-04-01 2006-10-19 Hitachi Ltd Cooling jacket
JP2007189146A (en) * 2006-01-16 2007-07-26 Mitsubishi Electric Corp Heat exchanger
JP2008172014A (en) * 2007-01-11 2008-07-24 Toyota Motor Corp Semiconductor device cooling structure
US7581585B2 (en) 2004-10-29 2009-09-01 3M Innovative Properties Company Variable position cooling apparatus
WO2012042849A1 (en) * 2010-09-30 2012-04-05 ダイキン工業株式会社 Cooler and refrigeration device provided with same
JP2012533868A (en) * 2009-08-10 2012-12-27 富士電機株式会社 Semiconductor module and cooler
JP2013012700A (en) * 2011-05-31 2013-01-17 Sumitomo Heavy Ind Ltd Power storage module and work machine
JP5621908B2 (en) * 2011-03-10 2014-11-12 トヨタ自動車株式会社 Cooler
JP2019016757A (en) * 2017-07-11 2019-01-31 ファナック株式会社 Ld module cooling unit and laser device
JP2019067981A (en) * 2017-10-03 2019-04-25 浜松ホトニクス株式会社 Heat sink
JP2021083261A (en) * 2019-11-21 2021-05-27 株式会社Soken Power conversion device

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001082424A1 (en) * 2000-04-26 2001-11-01 Mitsubishi Heavy Industries, Ltd. Cooling block, ld device with the cooling block, and solid laser device using the ld device as excitation light source
US6621701B2 (en) 2001-10-09 2003-09-16 Hitachi, Ltd. Water cooled inverter
US6661659B2 (en) 2001-10-09 2003-12-09 Hitachi, Ltd. Water cooled inverter
US6885553B2 (en) 2002-09-27 2005-04-26 Rockwell Automation Technologies, Inc. Bus bar assembly for use with a compact power conversion assembly
US6956742B2 (en) 2002-09-27 2005-10-18 Rockwell Automation Technologies, Inc. Compact liquid converter assembly
US7068507B2 (en) 2002-09-27 2006-06-27 Rockwell Automation Technologies, Inc. Compact liquid converter assembly
JP2005229095A (en) * 2004-01-13 2005-08-25 Seiko Epson Corp Light source device and projection-type display device
JP4654664B2 (en) * 2004-01-13 2011-03-23 セイコーエプソン株式会社 Light source device and projection display device
US7581585B2 (en) 2004-10-29 2009-09-01 3M Innovative Properties Company Variable position cooling apparatus
JP2006287017A (en) * 2005-04-01 2006-10-19 Hitachi Ltd Cooling jacket
JP4551261B2 (en) * 2005-04-01 2010-09-22 株式会社日立製作所 Cooling jacket
JP2007189146A (en) * 2006-01-16 2007-07-26 Mitsubishi Electric Corp Heat exchanger
JP4640183B2 (en) * 2006-01-16 2011-03-02 三菱電機株式会社 Heat exchanger
US8125078B2 (en) 2007-01-11 2012-02-28 Toyota Jidosha Kabushiki Kaisha Semiconductor element cooling structure
JP2008172014A (en) * 2007-01-11 2008-07-24 Toyota Motor Corp Semiconductor device cooling structure
JP2012533868A (en) * 2009-08-10 2012-12-27 富士電機株式会社 Semiconductor module and cooler
US8933557B2 (en) 2009-08-10 2015-01-13 Fuji Electric Co., Ltd. Semiconductor module and cooling unit
KR101498402B1 (en) * 2010-09-30 2015-03-03 다이킨 고교 가부시키가이샤 Cooler and refrigeration device provided with same
CN103119374A (en) * 2010-09-30 2013-05-22 大金工业株式会社 Cooler and refrigeration device provided with same
JP2012093076A (en) * 2010-09-30 2012-05-17 Daikin Industries Ltd Cooler and refrigeration device including the same
AU2011310284B2 (en) * 2010-09-30 2015-01-29 Daikin Industries, Ltd. Cooler and refrigerating apparatus including the same
WO2012042849A1 (en) * 2010-09-30 2012-04-05 ダイキン工業株式会社 Cooler and refrigeration device provided with same
US9163885B2 (en) 2010-09-30 2015-10-20 Daikin Industries, Ltd. Cooler and refrigerating apparatus including the same
JP5621908B2 (en) * 2011-03-10 2014-11-12 トヨタ自動車株式会社 Cooler
US9072197B2 (en) 2011-03-10 2015-06-30 Toyota Jidosha Kabushiki Kaisha Cooling apparatus
JP2013012700A (en) * 2011-05-31 2013-01-17 Sumitomo Heavy Ind Ltd Power storage module and work machine
JP2019016757A (en) * 2017-07-11 2019-01-31 ファナック株式会社 Ld module cooling unit and laser device
JP2019067981A (en) * 2017-10-03 2019-04-25 浜松ホトニクス株式会社 Heat sink
JP2021083261A (en) * 2019-11-21 2021-05-27 株式会社Soken Power conversion device

Similar Documents

Publication Publication Date Title
JPH042156A (en) Power semiconductor device
US7834448B2 (en) Fluid cooled semiconductor power module having double-sided cooling
US7414844B2 (en) Liquid cooled heat sink with cold plate retention mechanism
US6581388B2 (en) Active temperature gradient reducer
EP3503701B1 (en) Heat sink, heat dissipation apparatus, heat dissipation system and communication device
JP5801996B2 (en) Double-sided cooling power module with power coating
JP2007335663A (en) Semiconductor module
CN219677255U (en) Electronic component integrating three-dimensional vapor cavity and liquid cooling heat dissipation
JPH10189845A (en) Heat sink for semiconductor device
JP2007141932A (en) Power module base
TWM586876U (en) Composite water-cooled drain structure
TWI726806B (en) Water-cooling heat dissipation device and manufacturing method thereof
JP2001284513A (en) Power semiconductor device
JPH0846381A (en) Cooler for liquid-cooled electric component
US5844311A (en) Multichip module with heat sink and attachment means
JPH07335798A (en) Lsi cooling structure
JP7064974B2 (en) Semiconductor cooling device
JP4404861B2 (en) Apparatus for cooling a heat generating component and method for manufacturing an apparatus for cooling a heat generating component
JP3256343B2 (en) heatsink
JP2020027901A (en) Semiconductor cooling device
JPH05218251A (en) Method and equipment for cooling semiconductor chip, semiconductor chip module, and bellows
JPH06188342A (en) Cooling device for semiconductor element
TWM648455U (en) An integrated electronic module with three dimensional vapor chamber and liquid cooling for heat dissipation
JPH04259246A (en) Cooling mechanism for integrated circuit
JPH073187U (en) Circuit board device