JP6125984B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6125984B2 JP6125984B2 JP2013256494A JP2013256494A JP6125984B2 JP 6125984 B2 JP6125984 B2 JP 6125984B2 JP 2013256494 A JP2013256494 A JP 2013256494A JP 2013256494 A JP2013256494 A JP 2013256494A JP 6125984 B2 JP6125984 B2 JP 6125984B2
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- 239000004065 semiconductor Substances 0.000 title claims description 86
- 239000011347 resin Substances 0.000 claims description 80
- 229920005989 resin Polymers 0.000 claims description 80
- 239000000463 material Substances 0.000 claims description 40
- 239000002184 metal Substances 0.000 claims description 29
- 230000000052 comparative effect Effects 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 20
- 238000012986 modification Methods 0.000 description 20
- 229910000679 solder Inorganic materials 0.000 description 13
- 239000004020 conductor Substances 0.000 description 12
- 230000006870 function Effects 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 5
- 230000003071 parasitic effect Effects 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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Description
前記第1スイッチング素子に対して第2方向に並んで配置され、前記第1方向で両側に電極を有し、前記上下アームの下アームを形成する第2スイッチング素子と、
前記第1スイッチング素子における前記第1方向で第1側の電極に電気的に接続される第1金属部材と、
前記第2スイッチング素子における前記第1方向で第1側の電極に電気的に接続される第2金属部材と、
前記上下アームの高電位側の電位を持つ第1端子と、
前記上下アームの低電位側の電位を持つ第2端子と、
前記上下アームの中点電位を持つ第3端子と、
前記第1スイッチング素子と、前記第2スイッチング素子と、前記第1金属部材の少なくとも一部と、前記第2金属部材の少なくとも一部と、前記第1端子の一部と、前記第2端子の一部と、前記第3端子の一部とを一体的に覆う樹脂部とを備え、
前記第1端子と同電位となる部分を第1電位部、前記第2端子と同電位となる部分を第2電位部、及び、前記第3端子と同電位となる部分を第3電位部としたとき、前記樹脂部における前記第1電位部と前記第2電位部との間は、前記樹脂部における前記第1電位部と前記第3電位部との間よりも高いCTI(Comparative Tracking Index)の材料を含み、又は、前記樹脂部における前記第2電位部と前記第3電位部との間よりも高いCTIの材料を含み、
前記樹脂部における前記第1電位部と前記第2電位部との間の沿面距離の最小値をL1とし、前記第1電位部と前記第2電位部との間の材料に対して許容される最小沿面距離をL1minとし、
前記樹脂部における前記第1電位部と前記第3電位部との間の沿面距離の最小値をL2とし、前記第1電位部と前記第3電位部との間の材料に対して許容される最小沿面距離をL2minとし、
前記樹脂部の表面に沿った前記第2電位部と前記第3電位部との間の沿面距離の最小値をL3とし、前記第2電位部と前記第3電位部との間の材料に対して許容される最小沿面距離をL3minとしたとき、以下の2式の少なくともいずれか一方を満足する、
(L2−L2min)/L2min<(L1−L1min)/L1min
(L3−L3min)/L3min<(L1−L1min)/L1min、
半導体装置が提供される。
(L2−L2min)/L2min<(L1−L1min)/L1min
(L3−L3min)/L3min<(L1−L1min)/L1min
上記の2式は、最小沿面距離は電圧実効値に対して1次の比例式で表されることに基づく。即ち、最小沿面距離は、電圧実効値が増加するに従って比例的に増加する。上記の2式における(Lk−Lkmin)/Lkmin(k=1,2,3)は、最小沿面距離に対する余裕度を表す。例えば、汚染度2、電圧実効値800Vとしたとき、樹脂の材料グループIに係る最小沿面距離は4.0mmである。このとき、沿面距離が6mmであると、余裕度は1.5となる。この余裕度は、最小沿面距離が電圧実効値に対して比例関係であることから、電圧実効値が異なる場合であっても比較可能なパラメータである。この余裕度は、1に近いほど短絡しやすいことを示す指標となる。従って、上記の2式のいずれかを満たす場合は、上述した第1実施例と同様の効果を得ることができる。即ち、樹脂部66の劣化による絶縁性能が悪くなった場合でも、第1電位部Pと第2電位部Nとの間が短絡するよりも先に、第1電位部Pと第3電位部Oとの間(例えば、IGBT素子20のコレクタ−エミッタ間)又は第2電位部Nと第3電位部Oとの間(例えば、IGBT素子30のコレクタ−エミッタ間)を短絡させることができる。
20,30 IGBT素子
40 高電位電源端子
42 低電位電源端子
44 出力端子
50 第1ヒートシンク
52 第2ヒートシンク
54 第3ヒートシンク
56 第4ヒートシンク
66,660 樹脂部
662 高CTI部
Claims (5)
- 第1方向で両側に電極を有し、上下アームの上アームを形成する第1スイッチング素子と、
前記第1スイッチング素子に対して第2方向に並んで配置され、前記第1方向で両側に電極を有し、前記上下アームの下アームを形成する第2スイッチング素子と、
前記第1スイッチング素子における前記第1方向で第1側の電極に電気的に接続される第1金属部材と、
前記第2スイッチング素子における前記第1方向で第1側の電極に電気的に接続される第2金属部材と、
前記上下アームの高電位側の電位を持つ第1端子と、
前記上下アームの低電位側の電位を持つ第2端子と、
前記上下アームの中点電位を持つ第3端子と、
前記第1スイッチング素子と、前記第2スイッチング素子と、前記第1金属部材の少なくとも一部と、前記第2金属部材の少なくとも一部と、前記第1端子の一部と、前記第2端子の一部と、前記第3端子の一部とを一体的に覆う樹脂部とを備え、
前記第1端子と同電位となる部分を第1電位部、前記第2端子と同電位となる部分を第2電位部、及び、前記第3端子と同電位となる部分を第3電位部としたとき、前記樹脂部における前記第1電位部と前記第2電位部との間は、前記樹脂部における前記第1電位部と前記第3電位部との間よりも高いCTI(Comparative Tracking Index)の材料を含み、又は、前記樹脂部における前記第2電位部と前記第3電位部との間よりも高いCTIの材料を含み、
前記樹脂部における前記第1電位部と前記第2電位部との間の沿面距離の最小値をL1とし、前記第1電位部と前記第2電位部との間の材料に対して許容される最小沿面距離をL1minとし、
前記樹脂部における前記第1電位部と前記第3電位部との間の沿面距離の最小値をL2とし、前記第1電位部と前記第3電位部との間の材料に対して許容される最小沿面距離をL2minとし、
前記樹脂部の表面に沿った前記第2電位部と前記第3電位部との間の沿面距離の最小値をL3とし、前記第2電位部と前記第3電位部との間の材料に対して許容される最小沿面距離をL3minとしたとき、以下の2式の少なくともいずれか一方を満足する、
(L2−L2min)/L2min<(L1−L1min)/L1min
(L3−L3min)/L3min<(L1−L1min)/L1min、
半導体装置。 - 前記第1端子、前記第2端子及び前記第3端子は、前記第2端子が前記第1端子及び前記第3端子の間に位置する関係で、前記樹脂部における同一の側に延在する、請求項1に記載の半導体装置。
- 前記第1端子、前記第2端子及び前記第3端子は、前記第1方向及び前記第2方向の双方に直角な第3方向に延在しつつ、前記第2方向に並んで配置され、前記第2端子は、前記第2方向で前記第1金属部材及び前記第2金属部材の間から前記第3方向に延在する、請求項2に記載の半導体装置。
- 前記第1金属部材は、前記第1方向で第1側の表面が前記樹脂部から露出し、前記露出した前記第1金属部材の表面は、前記第1端子と共に前記第1電位部を形成し、
前記第2金属部材は、前記第1方向で第1側の表面が前記樹脂部から露出し、前記露出した前記第2金属部材の表面は、前記第3端子と共に前記第3電位部を形成する、請求項1〜3のうちのいずれか1項に記載の半導体装置。 - 前記第1スイッチング素子における前記第1方向で第2側の電極に電気的に接続される第3金属部材と、
前記第2スイッチング素子における前記第1方向で第2側の電極に電気的に接続される第4金属部材とを含み、
前記第3金属部材は、前記第1方向で第2側の表面が前記樹脂部から露出し、前記露出した前記第3金属部材の表面は、前記第3端子と前記第2金属部材の表面と共に前記第3電位部を形成し、
前記第4金属部材は、前記第1方向で第2側の表面が前記樹脂部から露出し、前記露出した前記第4金属部材の表面は、前記第2端子と共に前記第2電位部を形成する、請求項4に記載の半導体装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013256494A JP6125984B2 (ja) | 2013-12-11 | 2013-12-11 | 半導体装置 |
TW103141786A TWI545705B (zh) | 2013-12-11 | 2014-12-02 | 半導體裝置 |
PCT/IB2014/002704 WO2015087136A1 (en) | 2013-12-11 | 2014-12-09 | Semiconductor device |
US15/103,594 US20160315037A1 (en) | 2013-12-11 | 2014-12-09 | Semiconductor device |
DE112014005622.7T DE112014005622T5 (de) | 2013-12-11 | 2014-12-09 | Halbleitervorrichtung |
CN201480067494.3A CN105814686B (zh) | 2013-12-11 | 2014-12-09 | 半导体装置 |
US16/239,796 US11545419B2 (en) | 2013-12-11 | 2019-01-04 | Semiconductor package having an additional material with a comparative tracking index (CTI) higher than that of encapsulant resin material formed between two terminals |
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TW (1) | TWI545705B (ja) |
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GB201205243D0 (en) | 2012-03-26 | 2012-05-09 | Kraft Foods R & D Inc | Packaging and method of opening |
GB2511560B (en) | 2013-03-07 | 2018-11-14 | Mondelez Uk R&D Ltd | Improved Packaging and Method of Forming Packaging |
GB2511559B (en) | 2013-03-07 | 2018-11-14 | Mondelez Uk R&D Ltd | Improved Packaging and Method of Forming Packaging |
KR101846307B1 (ko) * | 2013-07-08 | 2018-04-09 | 지멘스 악티엔게젤샤프트 | 다중레벨 변환기 |
JP6221542B2 (ja) * | 2013-09-16 | 2017-11-01 | 株式会社デンソー | 半導体装置 |
JP6256419B2 (ja) * | 2015-06-24 | 2018-01-10 | 株式会社デンソー | 半導体チップおよびそれを用いた半導体モジュール |
JP6485283B2 (ja) * | 2015-08-21 | 2019-03-20 | 株式会社デンソー | 電力変換装置 |
JP6468155B2 (ja) * | 2015-10-09 | 2019-02-13 | 株式会社デンソー | 電力変換装置 |
JP6493171B2 (ja) * | 2015-11-18 | 2019-04-03 | 株式会社デンソー | 電力変換装置 |
JP6639320B2 (ja) | 2016-04-27 | 2020-02-05 | マレリ株式会社 | 半導体装置 |
DE102016112289B4 (de) * | 2016-07-05 | 2020-07-30 | Danfoss Silicon Power Gmbh | Leiterrahmen und Verfahren zur Herstellung desselben |
JP6708066B2 (ja) * | 2016-09-05 | 2020-06-10 | 株式会社デンソー | 半導体装置 |
JP6772768B2 (ja) * | 2016-11-09 | 2020-10-21 | 株式会社デンソー | 半導体装置 |
US10483178B2 (en) | 2017-01-03 | 2019-11-19 | Infineon Technologies Ag | Semiconductor device including an encapsulation material defining notches |
JP6610568B2 (ja) * | 2017-01-16 | 2019-11-27 | 株式会社デンソー | 半導体装置 |
JP6586970B2 (ja) * | 2017-03-09 | 2019-10-09 | トヨタ自動車株式会社 | 半導体装置 |
JP2018163943A (ja) * | 2017-03-24 | 2018-10-18 | 株式会社ケーヒン | 半導体装置及びパワーモジュール |
WO2018198957A1 (ja) * | 2017-04-24 | 2018-11-01 | ローム株式会社 | 半導体装置 |
JP6866768B2 (ja) | 2017-05-29 | 2021-04-28 | 株式会社デンソー | 電力変換器 |
JP7069787B2 (ja) * | 2018-02-09 | 2022-05-18 | 株式会社デンソー | 半導体装置 |
JP6969501B2 (ja) | 2018-05-28 | 2021-11-24 | 株式会社デンソー | 半導体装置 |
JP7010167B2 (ja) * | 2018-07-25 | 2022-01-26 | 株式会社デンソー | 半導体装置 |
CN112534572A (zh) * | 2018-08-20 | 2021-03-19 | 三菱电机株式会社 | 半导体模块 |
JP7077893B2 (ja) * | 2018-09-21 | 2022-05-31 | 株式会社デンソー | 半導体装置 |
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JP7059970B2 (ja) * | 2019-03-11 | 2022-04-26 | 株式会社デンソー | 半導体装置 |
JP2021145104A (ja) * | 2020-03-13 | 2021-09-24 | 株式会社アイシン | 電力変換器 |
US20230163055A1 (en) | 2020-04-01 | 2023-05-25 | Panasonic Intellectual Property Management Co., Ltd. | Semiconductor module |
CN111681997B (zh) * | 2020-08-12 | 2020-12-11 | 中芯集成电路制造(绍兴)有限公司 | 功率封装模块及电子装置 |
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JP7555890B2 (ja) | 2021-09-16 | 2024-09-25 | 株式会社東芝 | 半導体装置 |
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2013
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2014
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WO2015087136A1 (en) | 2015-06-18 |
CN105814686A (zh) | 2016-07-27 |
TW201543626A (zh) | 2015-11-16 |
US20190139874A1 (en) | 2019-05-09 |
TWI545705B (zh) | 2016-08-11 |
JP2015115464A (ja) | 2015-06-22 |
CN105814686B (zh) | 2018-08-03 |
US11545419B2 (en) | 2023-01-03 |
US20160315037A1 (en) | 2016-10-27 |
DE112014005622T5 (de) | 2016-12-08 |
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