JP6446280B2 - 電子装置 - Google Patents
電子装置 Download PDFInfo
- Publication number
- JP6446280B2 JP6446280B2 JP2015013875A JP2015013875A JP6446280B2 JP 6446280 B2 JP6446280 B2 JP 6446280B2 JP 2015013875 A JP2015013875 A JP 2015013875A JP 2015013875 A JP2015013875 A JP 2015013875A JP 6446280 B2 JP6446280 B2 JP 6446280B2
- Authority
- JP
- Japan
- Prior art keywords
- electronic device
- layer
- epoxy resin
- plate
- refrigerant
- 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.)
- Expired - Fee Related
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Classifications
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
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- H01L23/44—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements the complete device being wholly immersed in a fluid other than air
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- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
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- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
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- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
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- H01L24/34—Strap connectors, e.g. copper straps for grounding power devices; Manufacturing methods related thereto
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- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—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
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L24/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
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- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/18—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different subgroups of the same main group of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N
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- H01L2924/12—Passive devices, e.g. 2 terminal devices
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
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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]
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- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13091—Metal-Oxide-Semiconductor Field-Effect Transistor [MOSFET]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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- H02M7/539—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
- H02M7/5395—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
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- H—ELECTRICITY
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- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
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- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
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- Y02T10/00—Road transport of goods or passengers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Inverter Devices (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Description
あり、純銅もしくは銅合金等の熱伝導率が高くて電気抵抗の低い材料からなり、厚さは0.5mm以上がよい。
(変形例1)
上述した実施の形態では、封止材であるエポキシ樹脂を直接フッ素化することにより第1層602を形成する例について説明したが、本発明はこれに限定されない。封止材であるエポキシ樹脂に代えて、ポリイミド、ポリイミダゾール、フェノール樹脂、メラミン樹脂、封止材に用いたものとは異なる構造のエポキシ樹脂、など、種々の熱硬化性樹脂を形成した後、直接フッ素化処理により第1層602を形成することができる。なお、第1層602が形成される領域は、半導体構造体302における冷媒121の接触領域の全体を含む領域であることを考慮し、冷媒に対する耐薬品性や耐熱性に優れたものを選択することが好適である。
(変形例2)
上述した実施の形態では、第1層602は、半導体構造体302における冷媒121の接触領域の全体を含む領域に形成する例について説明したが、本発明はこれに限定されない。導体などを封止するエポキシ樹脂部の表面ではなく、エポキシ樹脂部の内部に、第1層602を形成してもよい。
(変形例3)
上述した実施の形態では、封止材であるエポキシ樹脂にフッ素ガスを用いて直接フッ素化することにより第1層602を形成する例について説明したが、本発明はこれに限定されない。ラジカル反応による表面フッ素化処理などで第1層602を形成しても良い。たとえば、フッ化ラジカル反応をする溶液を一定の濃度で調整後、この塗布溶液に半導体構造体302を浸漬し、塗膜する。その後、100℃で3時間加熱処理をすることにより、主鎖骨格の一部をフッ素化した。
(変形例4)
上述した実施の形態では、封止樹脂348における冷媒121の接触領域の全体に第1層602が形成されている例について説明したが、本発明はこれに限定されない。少なくとも、封止樹脂348と放熱フィン371との境界を覆うように第1層602を設けてもよい。これにより、異種部材との境を塗膜することで、異種部材との境から冷媒が浸入することを防ぎ、防水性が改善される。
(変形例5)
上述した実施の形態では、封止樹脂348における冷媒121の接触領域の全体に第1層602が形成されている例について説明したが、本発明はこれに限定されない。封止樹脂348及び放熱フィン371におけて冷媒121と接触する全領域に第1層602を設けてもよい。これにより、封止樹脂348のみならず、放熱フィン371にも第1層602を形成することで、フィン部のピンホールや疵を覆い、防水性に優れると共に、長期信頼性を確保することが出来る。ただし、放熱フィン371の放熱性を考慮し、第1層602の塗膜の種類、膜厚、などを選定する必要がある。
(変形例6)
上述した実施の形態では、第1層602を直接フッ素化することにより、三次元架橋構造における平均自由体積の三乗根により算出される長さが冷媒を構成する分子の最長辺の長さよりも小さくなるように、第1層の炭素と結合される水素の一部をフッ素に置換する例について説明したが、本発明はこれに限定されない。フッ素に代わり、臭素、塩素などを用いて、置換してもよい。
(変形例7)
上述した実施の形態では、電子制御装置の一例として電力変換装置(インバータ)を挙げて説明したが、本発明はこれに限定されない。電子部品を備える種々の電子制御装置に本発明を適用できる。
121 冷媒
122 ケース
136 バッテリ
138 直流コネクタ
140 インバータ回路
150 直列回路
153 コレクタ電極端子
154 ゲート電極端子
155 エミッタ電極端子
156 ダイオード
157 直流正極端子
158 直流負極端子
159 交流端子
160 金属接合材
163 コレクタ電極端子
164 ゲート電極端子
165 エミッタ電極端子
166 ダイオード
169 中間電極
172 制御回路
174 ドライバ回路
180 電流センサ
188 交流端子
190 電流検出端子
200 電力変換装置
300A、300B、300C、300D 半導体モジュール
302 半導体構造体
315 第1導体板
318 第2導体板
319 第4導体板
320 第3導体板
328 IGBT
329 中間電極
330 IGBT
348 エポキシ樹脂
348a、348b 端子面
371 放熱フィン
371a フィン板
371b 補強板
389 絶縁板
500 コンデンサモジュール
504 コンデンサ端子
506 コンデンサ端子
508 電源端子、
509 電源端子
600 樹脂の主鎖
601 架橋点
602 第1層
603 ハロゲンで置換されている樹脂の主鎖
802 交流バスバー
950 導体板組み
951 タイバー
Claims (8)
- 電子部品と、前記電子部品を封止するエポキシ樹脂部と、を備え、前記電子部品を冷却する冷媒中に配置される電子装置であって、
前記エポキシ樹脂部は、当該エポキシ樹脂部の表面又は内部において、三次元架橋構造を有する第1層が形成され、
前記第1層の炭素元素に結合される水素元素の少なくとも一部は、水素元素とは異なる元素に置換されており、
前記第1層の置換率は、当該第1層の前記三次元架橋構造における平均自由体積の三乗根により算出される長さが前記冷媒を構成する分子の最長辺の長さよりも小さくなるように、0.8以上に形成される電子装置。 - 請求項1に記載の電子装置であって、
前記第1層の炭素元素に結合される元素の少なくとも一部は、ハロゲン元素である電子装置。 - 請求項1又は2に記載の電子装置であって、
前記第1層は、ガラス転移温度が50℃以上である電子装置。 - 請求項1ないし3のいずれかに記載の電子装置であって、
金属材料又はセラミックス材料からなる放熱部を備え、
前記エポキシ樹脂部は、前記放熱部の一部が当該エポキシ樹脂部から露出するように、前記放熱部を封止する電子装置。 - 電子部品を備え、前記電子部品を冷却する冷媒中に配置される電子装置の製造方法であって、
前記電子部品をエポキシ樹脂部により封止する第1工程と、
前記エポキシ樹脂部の表面又は内部において三次元架橋構造を有する第1層を形成する第2工程と、を備え、
前記第2工程において、前記第1層は、当該第1層の前記三次元架橋構造における平均自由体積の三乗根により算出される長さが前記冷媒を構成する分子の最長辺の長さよりも小さくなるように、当該第1層の炭素元素に結合される元素が0.8以上の置換率で水素元素とは異なる元素に置換される電子装置の製造方法。 - 請求項5に記載の電子装置の製造方法であって、
前記第2工程は、前記エポキシ樹脂部の表面をハロゲン元素で置換する工程である電子装置の製造方法。 - 請求項6に記載の電子装置の製造方法であって、
前記第2工程は、前記エポキシ樹脂部の表面をフッ素元素で置換する工程である電子装置の製造方法。 - 請求項7に記載の電子装置の製造方法であって、
前記第2工程は、フッ素ガス雰囲気中で前記エポキシ樹脂部の表面をフッ素化する工程である電子装置の製造方法。
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JP2015013875A JP6446280B2 (ja) | 2015-01-28 | 2015-01-28 | 電子装置 |
CN201680007773.XA CN107210272B (zh) | 2015-01-28 | 2016-01-08 | 电子装置 |
PCT/JP2016/050410 WO2016121443A1 (ja) | 2015-01-28 | 2016-01-08 | 電子装置 |
DE112016000239.4T DE112016000239B4 (de) | 2015-01-28 | 2016-01-08 | Elektronische Vorrichtung |
US15/544,150 US20170365536A1 (en) | 2015-01-28 | 2016-01-08 | Electronic Device |
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JP6635901B2 (ja) * | 2016-09-21 | 2020-01-29 | 本田技研工業株式会社 | 電力変換装置 |
JP6470328B2 (ja) * | 2017-02-09 | 2019-02-13 | 株式会社東芝 | 半導体モジュール |
FR3063201B1 (fr) * | 2017-02-17 | 2020-03-06 | Valeo Equipements Electriques Moteur | Onduleur de machine electrique tournante a refroidissement ameliore |
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DE102007052133A1 (de) | 2007-09-04 | 2009-03-05 | Osram Opto Semiconductors Gmbh | Optisches Bauteil, Verfahren zur Herstellung des Bauteils und optoelektronisches Bauelement mit dem Bauteil |
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- 2016-01-08 US US15/544,150 patent/US20170365536A1/en not_active Abandoned
- 2016-01-08 CN CN201680007773.XA patent/CN107210272B/zh active Active
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WO2016121443A1 (ja) | 2016-08-04 |
CN107210272B (zh) | 2020-03-27 |
CN107210272A (zh) | 2017-09-26 |
DE112016000239B4 (de) | 2024-07-18 |
DE112016000239T5 (de) | 2017-09-28 |
JP2016139709A (ja) | 2016-08-04 |
US20170365536A1 (en) | 2017-12-21 |
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