JP4319591B2 - 半導体パワーモジュール - Google Patents
半導体パワーモジュール Download PDFInfo
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- JP4319591B2 JP4319591B2 JP2004208703A JP2004208703A JP4319591B2 JP 4319591 B2 JP4319591 B2 JP 4319591B2 JP 2004208703 A JP2004208703 A JP 2004208703A JP 2004208703 A JP2004208703 A JP 2004208703A JP 4319591 B2 JP4319591 B2 JP 4319591B2
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 58
- 229920005989 resin Polymers 0.000 claims abstract description 128
- 239000011347 resin Substances 0.000 claims abstract description 128
- 239000000758 substrate Substances 0.000 claims abstract description 77
- 229910000679 solder Inorganic materials 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 239000000919 ceramic Substances 0.000 claims abstract description 33
- 239000011248 coating agent Substances 0.000 claims abstract description 31
- 238000000576 coating method Methods 0.000 claims abstract description 31
- 229920001721 polyimide Polymers 0.000 claims abstract description 21
- 239000004593 Epoxy Substances 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004642 Polyimide Substances 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims description 15
- 239000004962 Polyamide-imide Substances 0.000 claims description 7
- 229920002312 polyamide-imide Polymers 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000009477 glass transition Effects 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 238000005476 soldering Methods 0.000 abstract description 6
- 238000002844 melting Methods 0.000 abstract description 4
- 230000008018 melting Effects 0.000 abstract description 4
- 239000002356 single layer Substances 0.000 abstract description 2
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- 239000003822 epoxy resin Substances 0.000 description 23
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- 229920001296 polysiloxane Polymers 0.000 description 13
- 229910000859 α-Fe Inorganic materials 0.000 description 10
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
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- 230000000452 restraining effect Effects 0.000 description 2
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- 208000025599 Heat Stress disease Diseases 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229920013822 aminosilicone Polymers 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- 238000005219 brazing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 239000002270 dispersing agent Substances 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- 230000001814 effect on stress Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- 239000011104 metalized film Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- 239000011342 resin composition Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
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- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector 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
- H01L2224/32221—Disposition the layer connector 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
- H01L2224/32225—Disposition the layer connector 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 non-metallic, e.g. insulating substrate with or without metallisation
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48225—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 non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/48227—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 non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
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- H01L2224/732—Location after the connecting process
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- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/83909—Post-treatment of the layer connector or bonding area
- H01L2224/83951—Forming additional members, e.g. for reinforcing, fillet sealant
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- H01L2224/8592—Applying permanent coating, e.g. protective coating
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- H01L2224/91—Methods for connecting semiconductor or solid state bodies including different methods provided for in two or more of groups H01L2224/80 - H01L2224/90
- H01L2224/92—Specific sequence of method steps
- H01L2224/922—Connecting different surfaces of the semiconductor or solid-state body with connectors of different types
- H01L2224/9222—Sequential connecting processes
- H01L2224/92242—Sequential connecting processes the first connecting process involving a layer connector
- H01L2224/92247—Sequential connecting processes the first connecting process involving a layer connector the second connecting process involving a wire connector
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- H01L24/73—Means for bonding being of different types provided for in two or more of groups H01L24/10, H01L24/18, H01L24/26, H01L24/34, H01L24/42, H01L24/50, H01L24/63, H01L24/71
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- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/10251—Elemental semiconductors, i.e. Group IV
- H01L2924/10253—Silicon [Si]
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- 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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- H01L2924/151—Die mounting substrate
- H01L2924/156—Material
- H01L2924/157—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2924/15738—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950 C and less than 1550 C
- H01L2924/15747—Copper [Cu] as principal constituent
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- H01L2924/156—Material
- H01L2924/15786—Material with a principal constituent of the material being a non metallic, non metalloid inorganic material
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- H01L2924/30—Technical effects
- H01L2924/35—Mechanical effects
- H01L2924/351—Thermal stress
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- Engineering & Computer Science (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Description
また、2つの異なった機能を有する樹脂の組合せにより、大型チップ、厳しいパワーサイクル、温度サイクル試験に対してもより耐えられる構造となり、はんだの熱疲労寿命と耐湿性を同時に向上させる。これに伴ない、モジュールの反りを抑え、かつ素子部の保護を兼ねた長寿命の半導体パワーモジュールを提供することができる。
Claims (4)
- 絶縁基板と、この絶縁基板上にはんだを介して固着された半導体チップと、この半導体チップ表面に接続されたワイヤと、前記半導体チップと前記ワイヤを含む収納部品の表面を覆う比較的軟らかい被覆樹脂と、これらの部品を収納するケースと、前記被覆樹脂の上に、前記被覆樹脂よりも硬い封止樹脂を充填した半導体パワーモジュールにおいて、
前記絶縁基板を、セラミック絶縁基板に直接アルミを接合した複合基板で形成し、
前記被覆樹脂を、前記ケースに収納された前記収納部品全体の表面に、ポリイミド系又はポリアミドイミド系の樹脂を散布又は塗布し、その後、硬化させて、前記収納部品の表面の実質的全域を50μm以下の厚さで覆う線膨張係数が60×10−6/℃以下で、室温(15〜20℃)におけるヤング率が3GPa以下のポリイミド系又はポリアミドイミド系の樹脂で形成し、
前記封止樹脂を、線膨張係数が14〜24×10−6/℃、室温(15〜20℃)におけるヤング率が3〜20GPaで、その中にシリコーン系ゴムの可撓化剤を、10±5mass%分散され、ガラス転移温度(Tg)が150℃以上のエポキシ系樹脂で形成したことを特徴とする半導体パワーモジュール。 - 請求項1において、前記半導体チップの表面に接続されたワイヤは、テープ又はリードフレームであることを特徴とする半導体パワーモジュール。
- 請求項1において、前記絶縁基板の他面に固着されたベース基板と、前記絶縁基板の外側で前記ベース基板に形成した溝を備えたことを特徴とする半導体パワーモジュール。
- 請求項1において、前記絶縁基板の一面に形成した電子部品搭載のための導電部と、この導電部に前記半導体チップを固着するはんだと、前記半導体チップの外側で前記導電部に形成した溝を備えたことを特徴とする半導体パワーモジュール。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004208703A JP4319591B2 (ja) | 2004-07-15 | 2004-07-15 | 半導体パワーモジュール |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004208703A JP4319591B2 (ja) | 2004-07-15 | 2004-07-15 | 半導体パワーモジュール |
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