JP2017098442A - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3736—Metallic materials
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- 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
- H01L25/10—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 having separate containers
- H01L25/11—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 having separate containers the devices being of a type provided for in group H01L29/00
- H01L25/117—Stacked arrangements of devices
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- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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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
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- H01L2224/34—Strap connectors, e.g. copper straps for grounding power devices; Manufacturing methods related thereto
- H01L2224/39—Structure, shape, material or disposition of the strap connectors after the connecting process
- H01L2224/40—Structure, shape, material or disposition of the strap connectors after the connecting process of an individual strap connector
- H01L2224/401—Disposition
- H01L2224/40151—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
- H01L2224/40221—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
- H01L2224/40245—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 metallic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L2224/71—Means for bonding not being attached to, or not being formed on, the surface to be connected
- H01L2224/72—Detachable connecting means consisting of mechanical auxiliary parts connecting the device, e.g. pressure contacts using springs or clips
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/40—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
- H01L23/4012—Mountings or securing means for detachable cooling or heating arrangements ; fixed by friction, plugs or springs with bolts or screws for stacked arrangements of a plurality of semiconductor devices
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- Engineering & Computer Science (AREA)
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- Microelectronics & Electronic Packaging (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
【解決手段】半導体モジュール10は、半導体素子を収容している樹脂製のモールド部12を備えており、モールド部12の一側面の一部にヒートシンク20、21が露出している。半導体装置は、ヒートシンク20、21の放熱面20a、21aと、放熱面の周囲の樹脂面12aに対向しているとともに半導体モジュール10に押し付けられている絶縁板6aを備えている。放熱面20a、21aの少なくとも一部は、樹脂面12aから窪んでいる。放熱面の窪んでいる領域と絶縁板6aの間に固体の伝熱層25が挟まれており、樹脂面12aと絶縁板6aの間には伝熱層25が挟まれていない。
【選択図】図3
Description
3、3a、3b:冷却器
4:積層ユニット
5a、5b:連結パイプ
6、6a、6b:絶縁板
7a−7c:パワー端子
10:半導体モジュール
12:モールド部
12a、12b:樹脂面
13a、13b:トランジスタ
14a、14b:ダイオード
15a、15b:スペーサ
20−23:ヒートシンク
20a−23a:放熱面
20x、21x:余白領域
25、125:伝熱層
26、126、226a、226b:グリス
31:ケース
51:マスク
52:スキージ
112:半完成モールド部
251:伝熱材
252:伝熱層
Claims (6)
- 半導体素子を収容している樹脂製の収容部を備えており、当該収容部の一側面の一部にヒートシンクの放熱面が露出している半導体モジュールと、
当該放熱面の周囲の樹脂面及び前記放熱面に対向しているとともに前記半導体モジュールに押し付けられている冷却部材と、
を備えており、
前記放熱面の少なくとも一部は前記樹脂面に対して窪んでおり、
前記放熱面の窪んでいる領域と前記冷却部材の間に固体の伝熱層が挟まれており、前記樹脂面と前記冷却部材の間には前記伝熱層が挟まれていない、半導体装置。 - 前記放熱面は、前記樹脂面との境界近傍では前記樹脂面に対して面一であり、面一の領域よりも内側で湾曲して窪んでおり、
前記伝熱層は、前記放熱面の窪んでいる領域内に設けられており、前記放熱面の前記面一の領域と前記冷却部材の間には前記伝熱層が挟まれていない、
請求項1に記載の半導体装置。 - 前記放熱面は、前記樹脂面との境界近傍では前記樹脂面に対して面一であり、面一の領域よりも内側で湾曲して窪んでおり、
前記伝熱層は、前記放熱面の窪んでいる領域に設けられているとともに、前記放熱面の前記面一の領域にも設けられている、請求項1に記載の半導体装置。 - 前記収容部の前記一側面を平面視したときに前記伝熱層を囲むように、前記収容部と前記冷却部材の間に非固体の伝熱材が充填されている、請求項1から3のいずれか1項に記載の半導体装置。
- 前記伝熱層と前記冷却部材の間に非固体の伝熱材が充填されている、請求項1から4のいずれか1項に記載の半導体装置。
- 請求項1に記載の半導体装置の製造方法であり、
前記ヒートシンクの前記放熱面まで樹脂で覆うように前記収容部を形成する工程と、
前記収容部の前記放熱面を覆っている部分を研磨して前記放熱面を収容部から露出させる研磨工程であって、研磨の際に放熱面の少なくとも一部に窪みが形成される研磨工程と、
前記ヒートシンクの前記放熱面の窪んでいる領域に固化前の伝熱材を塗布し、保持部材を用いて前記伝熱材が前記樹脂面に広がらないように保持するとともに前記伝熱材の表面を平坦化する工程と、
前記伝熱材を固化させる工程と、
前記放熱面に対向するように前記冷却部材を前記半導体モジュールに押し付けた状態で前記半導体モジュールと前記冷却部材を固定する工程と、
を備えている製造方法。
Priority Applications (2)
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JP2015230249A JP6382784B2 (ja) | 2015-11-26 | 2015-11-26 | 半導体装置の製造方法 |
US15/361,151 US9768095B2 (en) | 2015-11-26 | 2016-11-25 | Semiconductor device and manufacturing method thereof |
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JP2015230249A JP6382784B2 (ja) | 2015-11-26 | 2015-11-26 | 半導体装置の製造方法 |
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JP2017098442A true JP2017098442A (ja) | 2017-06-01 |
JP6382784B2 JP6382784B2 (ja) | 2018-08-29 |
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JP (1) | JP6382784B2 (ja) |
Cited By (1)
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JPWO2022018817A1 (ja) * | 2020-07-21 | 2022-01-27 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6540665B2 (ja) * | 2016-11-21 | 2019-07-10 | トヨタ自動車株式会社 | 両面冷却器 |
US10424528B2 (en) * | 2018-02-07 | 2019-09-24 | Toyota Motor Engineering & Manufacturing North America, Inc. | Layered cooling structure including insulative layer and multiple metallization layers |
JP2019140332A (ja) * | 2018-02-14 | 2019-08-22 | トヨタ自動車株式会社 | 半導体装置 |
Citations (5)
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JP2005183644A (ja) * | 2003-12-19 | 2005-07-07 | Hitachi Ltd | 電気回路モジュール |
JP2007073583A (ja) * | 2005-09-05 | 2007-03-22 | Denso Corp | 半導体装置の製造方法 |
JP2012174711A (ja) * | 2011-02-17 | 2012-09-10 | Denso Corp | 半導体装置の製造方法及び半導体装置 |
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JP2013062509A (ja) * | 2012-10-03 | 2013-04-04 | Denso Corp | 電子制御装置 |
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JP3879361B2 (ja) | 2000-03-21 | 2007-02-14 | 株式会社デンソー | 半導体装置の実装構造およびその実装方法 |
US20040042178A1 (en) * | 2002-09-03 | 2004-03-04 | Vadim Gektin | Heat spreader with surface cavity |
EP1524690B1 (en) * | 2003-10-13 | 2009-03-11 | Infineon Technologies AG | Semiconductor package with heat spreader |
US20060118969A1 (en) * | 2004-12-03 | 2006-06-08 | Taiwan Semiconductor Manufacturing Co., Ltd. | Flip chip ball grid array package assemblies and electronic devices with heat dissipation capability |
JP2007173372A (ja) | 2005-12-20 | 2007-07-05 | Denso Corp | 電力変換装置 |
US7535714B1 (en) * | 2007-10-31 | 2009-05-19 | International Business Machines Corporation | Apparatus and method providing metallic thermal interface between metal capped module and heat sink |
US8981555B2 (en) * | 2011-12-21 | 2015-03-17 | Intel Corporation | Ridged integrated heat spreader |
JP2017017229A (ja) | 2015-07-02 | 2017-01-19 | トヨタ自動車株式会社 | 半導体装置 |
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2015
- 2015-11-26 JP JP2015230249A patent/JP6382784B2/ja not_active Expired - Fee Related
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- 2016-11-25 US US15/361,151 patent/US9768095B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005183644A (ja) * | 2003-12-19 | 2005-07-07 | Hitachi Ltd | 電気回路モジュール |
JP2007073583A (ja) * | 2005-09-05 | 2007-03-22 | Denso Corp | 半導体装置の製造方法 |
JP2012174711A (ja) * | 2011-02-17 | 2012-09-10 | Denso Corp | 半導体装置の製造方法及び半導体装置 |
JP2012195492A (ja) * | 2011-03-17 | 2012-10-11 | Mitsubishi Electric Corp | パワー半導体モジュール及びその取り付け構造 |
JP2013062509A (ja) * | 2012-10-03 | 2013-04-04 | Denso Corp | 電子制御装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPWO2022018817A1 (ja) * | 2020-07-21 | 2022-01-27 | ||
WO2022018817A1 (ja) * | 2020-07-21 | 2022-01-27 | 三菱電機株式会社 | 半導体装置 |
JP7262675B2 (ja) | 2020-07-21 | 2023-04-21 | 三菱電機株式会社 | 半導体装置 |
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Publication number | Publication date |
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JP6382784B2 (ja) | 2018-08-29 |
US9768095B2 (en) | 2017-09-19 |
US20170154837A1 (en) | 2017-06-01 |
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