JP7048493B2 - セラミックス回路基板および半導体モジュール - Google Patents
セラミックス回路基板および半導体モジュール Download PDFInfo
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- JP7048493B2 JP7048493B2 JP2018527681A JP2018527681A JP7048493B2 JP 7048493 B2 JP7048493 B2 JP 7048493B2 JP 2018527681 A JP2018527681 A JP 2018527681A JP 2018527681 A JP2018527681 A JP 2018527681A JP 7048493 B2 JP7048493 B2 JP 7048493B2
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- 239000000919 ceramic Substances 0.000 title claims description 152
- 239000004065 semiconductor Substances 0.000 title claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 188
- 239000002184 metal Substances 0.000 claims description 188
- 239000000758 substrate Substances 0.000 claims description 112
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 20
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 description 51
- 239000010949 copper Substances 0.000 description 24
- 238000005304 joining Methods 0.000 description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 21
- 229910052802 copper Inorganic materials 0.000 description 21
- 238000005219 brazing Methods 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 20
- 239000000463 material Substances 0.000 description 20
- 230000017525 heat dissipation Effects 0.000 description 19
- 239000010936 titanium Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 10
- 239000010955 niobium Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 238000013001 point bending Methods 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 238000001721 transfer moulding Methods 0.000 description 6
- 229910052735 hafnium Inorganic materials 0.000 description 5
- 229910052758 niobium Inorganic materials 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 229910052726 zirconium Inorganic materials 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 4
- 235000010724 Wisteria floribunda Nutrition 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000962 AlSiC Inorganic materials 0.000 description 1
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L23/3735—Laminates or multilayers, e.g. direct bond copper ceramic substrates
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
- H01L23/13—Mountings, e.g. non-detachable insulating substrates characterised by the shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
- C04B37/023—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
- H01L23/14—Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
- H01L23/15—Ceramic or glass substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L23/367—Cooling facilitated by shape of device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0271—Arrangements for reducing stress or warp in rigid printed circuit boards, e.g. caused by loads, vibrations or differences in thermal expansion
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- Microelectronics & Electronic Packaging (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
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- Computer Hardware Design (AREA)
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- Mechanical Engineering (AREA)
- Structure Of Printed Boards (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
表1に示す窒化珪素回路基板を作製した。窒化珪素基板として熱伝導率90W/m・K、3点曲げ強度700MPaの窒化珪素基板を用意した。表金属板、裏金属板として銅板を用意した。窒化珪素基板と銅板とをTiを含有する活性金属ろう材を用いて接合した。活性金属ろう材として、Ag(残部)、Cu(30質量%)、Ti(5質量%)、Sn(10質量%)からなるろう材を用いた。活性金属ろう材ペーストを厚さ20μmで塗布し、850℃、非酸化性雰囲気で加熱して窒化珪素基板と銅板を接合した。銅板を接合した後、エッチング加工により、接合層はみ出し部サイズ、銅板側面端部と接合層はみ出し部との接触角θを調整した。接合層はみ出し部の長さは20~40μm、銅板側面端部と接合層はみ出し部との接触角θは40~60度に調整した。表銅板の銅板間距離は1.5~3.0mmとした。表銅板とセラミックス基板との沿面距離を1.5mmに統一した。実施例はうねりの付与工程として、第二の製造方法(セラミックス基板に目的とするうねりを付与する方法)または第四の製造方法(金属板上に直線的にホーニング加工を施す)を行った。比較例1は反り直し工程により、うねりを無くした。また、比較例2、3は実施例と同様の方法でうねりを付与した。
Claims (10)
- 第1の面と第2の面とを有し、前記第1の面が第1の領域と第2の領域とを含む、厚さ1.0mm以下のセラミックス基板と、
前記第1の領域に接合された第1の金属板と、
前記第2の面に接合された第2の金属板と、を具備し、
前記第1の面は、第1の方向、および前記第1の方向と交差する第2の方向に延在し、
前記第1の面の前記第1の方向に延在する第1の辺に沿って測定される前記第2の領域の第1のうねり曲線は、1つ以下の極値を有し、
前記第1の面の前記第2の方向に延在する第2の辺に沿って測定される前記第2の領域の第2のうねり曲線は、2つ以上3つ以下の極値を有し、
前記第1の辺の長さは、前記第2の辺の長さの1.25倍以上である、セラミックス回路基板。 - 前記第1のうねり曲線は、略円弧形状であり、
前記第2のうねり曲線は、略M字形状または略S字形状である、請求項1に記載のセラミックス回路基板。 - 前記第1の金属板および前記第2の金属板の少なくとも一つの厚さが0.6mm以上である、請求項1に記載のセラミックス回路基板。
- 前記第1の金属板および前記第2の金属板のうち最も厚い金属板の厚さに対する、前記セラミックス基板の厚さの比は、1.5以下である、請求項1に記載のセラミックス回路基板。
- 前記セラミックス基板は、厚さ0.33mm以下の窒化珪素基板である、請求項1に記載のセラミックス回路基板。
- 前記第1の金属板および前記第2の金属板の少なくとも一つは、接合層を介して前記セラミックス基板に接合されている、請求項1に記載のセラミックス回路基板。
- 前記第1のうねり曲線および前記第2のうねり曲線の少なくとも一つの最大値と最小値との差が10μm以上である、請求項1に記載のセラミックス回路基板。
- 前記第1の金属板に接合された、厚さ0.2mm以上のリード端子をさらに具備する、請求項1に記載のセラミックス回路基板。
- 前記第1のうねり曲線および前記第2のうねり曲線の少なくとも一つの最大値と最小値の差が40μm以下である、請求項8に記載のセラミックス回路基板。
- 請求項8に記載のセラミックス回路基板と、
前記第1の金属板の上に設けられた半導体素子と、
前記第2の金属板の上に設けられた放熱部材と、を具備する、半導体モジュール。
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JP2022001392A JP7204962B2 (ja) | 2016-07-14 | 2022-01-07 | セラミックス回路基板および半導体モジュール |
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JP2016139735 | 2016-07-14 | ||
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PCT/JP2017/025729 WO2018012616A1 (ja) | 2016-07-14 | 2017-07-14 | セラミックス回路基板および半導体モジュール |
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US (2) | US10595403B2 (ja) |
EP (1) | EP3486942A4 (ja) |
JP (2) | JP7048493B2 (ja) |
CN (2) | CN109417057B (ja) |
WO (1) | WO2018012616A1 (ja) |
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US20200413534A1 (en) * | 2018-02-27 | 2020-12-31 | Mitsubishi Materials Corporation | Insulated circuit board |
JP7116690B2 (ja) * | 2019-01-30 | 2022-08-10 | デンカ株式会社 | 放熱部材およびその製造方法 |
JP6591114B1 (ja) * | 2019-06-05 | 2019-10-16 | デンカ株式会社 | 放熱部材およびその製造方法 |
Citations (3)
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JP2004134703A (ja) | 2002-10-15 | 2004-04-30 | Toshiba Corp | 端子付き回路基板 |
JP2006019494A (ja) | 2004-07-01 | 2006-01-19 | Hitachi Metals Ltd | 窒化珪素配線基板および半導体モジュール |
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JP2004134703A (ja) | 2002-10-15 | 2004-04-30 | Toshiba Corp | 端子付き回路基板 |
JP2006019494A (ja) | 2004-07-01 | 2006-01-19 | Hitachi Metals Ltd | 窒化珪素配線基板および半導体モジュール |
WO2015019602A1 (ja) | 2013-08-08 | 2015-02-12 | 株式会社 東芝 | 回路基板および半導体装置 |
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EP3486942A1 (en) | 2019-05-22 |
US20190150278A1 (en) | 2019-05-16 |
US10952317B2 (en) | 2021-03-16 |
CN109417057A (zh) | 2019-03-01 |
JPWO2018012616A1 (ja) | 2019-04-25 |
CN109417057B (zh) | 2022-08-02 |
JP2022046758A (ja) | 2022-03-23 |
JP7204962B2 (ja) | 2023-01-16 |
US20200178387A1 (en) | 2020-06-04 |
EP3486942A4 (en) | 2020-03-18 |
CN115172290A (zh) | 2022-10-11 |
US10595403B2 (en) | 2020-03-17 |
WO2018012616A1 (ja) | 2018-01-18 |
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