JPWO2014181883A1 - 半導体装置および半導体装置の製造方法 - Google Patents
半導体装置および半導体装置の製造方法 Download PDFInfo
- Publication number
- JPWO2014181883A1 JPWO2014181883A1 JP2015515915A JP2015515915A JPWO2014181883A1 JP WO2014181883 A1 JPWO2014181883 A1 JP WO2014181883A1 JP 2015515915 A JP2015515915 A JP 2015515915A JP 2015515915 A JP2015515915 A JP 2015515915A JP WO2014181883 A1 JPWO2014181883 A1 JP WO2014181883A1
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- Prior art keywords
- solder
- crystal
- crystal part
- solder joint
- atom
- 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.)
- Granted
Links
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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
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
-
- 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
-
- 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
-
- 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
-
- 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
- B23K1/008—Soldering within a furnace
-
- 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
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- B23K1/012—Soldering with the use of hot gas
-
- 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
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
-
- 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
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/203—Fluxing, i.e. applying flux onto surfaces
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
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- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
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- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
- B23K35/025—Pastes, creams, slurries
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- 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
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- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
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- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
-
- 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
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- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
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- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
- B23K35/262—Sn as the principal constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
- C22C13/02—Alloys based on tin with antimony or bismuth as the next major constituent
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- 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
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/52—Mounting semiconductor bodies in containers
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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
-
- 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
- H01L24/80—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
- H01L24/83—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
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/42—Printed circuits
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—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
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- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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- H01L2224/29099—Material
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Abstract
Description
実施の形態にかかる半導体装置の構造について説明する。図1は、実施の形態にかかる半導体装置の構造を示す断面図である。図1に示すように、実施の形態にかかる半導体装置は、半導体チップ1と、セラミクス絶縁基板(DCB(Direct Copper Bonding)基板)などの絶縁基板2と、銅(Cu)ベース6と、を備えた、例えばモジュール構造の半導体装置である。なお、図1においては、冷却体、樹脂ケース、外部端子、ボンディングワイヤなどの図示を省略している。絶縁基板2は、絶縁層3のおもて面側に例えばCuなどの導体からなる回路パターン(金属箔)4が設けられ、裏面側に裏銅箔5などの金属箔が設けられている。
2 絶縁基板
3 絶縁層
4 回路パターン(金属箔)
5 裏銅箔
6 銅ベース
11,12 はんだ接合層
21 第1結晶部(Sbが固溶したSn結晶粒)
22 第2結晶部
22−1 第1金属間化合物(SnおよびAgを含む化合物)
22−2 第2金属間化合物(SnおよびCuを含む化合物)
23 第3結晶部(第1結晶部と第1結晶部への固溶限界を超えたSbとが反応してなるSn結晶粒)
実施の形態にかかる半導体装置の構造について説明する。図1は、実施の形態にかかる半導体装置の構造を示す断面図である。図1に示すように、実施の形態にかかる半導体装置は、半導体チップ1と、セラミクス絶縁基板(DCB(Direct Copper Bonding)基板)などの絶縁基板2と、銅(Cu)ベース6と、を備えた、例えばモジュール構造の半導体装置である。なお、図1においては、冷却体、樹脂ケース、外部端子、ボンディングワイヤなどの図示を省略している。絶縁基板2は、絶縁層3のおもて面側に例えばCuなどの導体からなる回路パターン(金属箔)4が設けられ、裏面側に裏銅箔5などの金属箔が設けられている。
2 絶縁基板
3 絶縁層
4 回路パターン(金属箔)
5 裏銅箔
6 銅ベース
11,12 はんだ接合層
21 第1結晶部(Sbが固溶したSn結晶粒)
22 第2結晶部
22−1 第1金属間化合物(SnおよびAgを含む化合物)
22−2 第2金属間化合物(SnおよびCuを含む化合物)
23 第3結晶部(第1結晶部と第1結晶部への固溶限界を超えたSbとが反応してなるSn結晶粒)
Claims (8)
- はんだ接合層によって1組の構成部の間が接合された半導体装置であって、
前記はんだ接合層は、
錫原子:アンチモン原子=1:p(0<p≦0.1)の比率で錫とアンチモンとを含む第1結晶部と、
錫原子:銀原子=1:q(2≦q≦5)の比率で錫と銀とを含む第1部分、および、錫原子:銅原子=1:r(0.4≦r≦4)の比率で錫と銅とを含む第2部分の少なくとも一方を有する第2結晶部と、からなり、
前記第2結晶部の平均粒径は、前記第1結晶部の平均粒径よりも小さいことを特徴とする半導体装置。 - 前記はんだ接合層は、錫原子:アンチモン原子=1:s(0.8≦s≦1.6)の比率で錫とアンチモンとを含む第3結晶部を有することを特徴とする請求項1に記載の半導体装置。
- 前記第1結晶部は、アンチモンが固溶した錫結晶粒であることを特徴とする請求項1に記載の半導体装置。
- 前記第1結晶部は、アンチモンが固溶した錫結晶粒であり、
前記第3結晶部は、前記第1結晶部と当該第1結晶部への固溶限界を超えたアンチモンとが反応してなる結晶粒であることを特徴とする請求項2に記載の半導体装置。 - 前記第2結晶部は、前記第1結晶部間の結晶粒界に析出していることを特徴とする請求項1に記載の半導体装置。
- 前記第1部分の平均粒径は1μm以下であることを特徴とする請求項1に記載の半導体装置。
- 前記はんだ接合層の融点は260℃以下であることを特徴とする請求項1に記載の半導体装置。
- はんだ接合層によって1組の構成部の間が接合された半導体装置の製造方法であって、
アンチモンを含む合金粉末とアンチモンを含まない合金粉末との混合を含むはんだペーストを前記構成部の一方の上に塗布する工程と、
熱処理により前記はんだペーストを固化して前記はんだ接合層を形成し、前記はんだ接合層によって前記構成部同士を接合する工程を含み、
前記はんだ接合層は、
錫原子:アンチモン原子=1:p(0<p≦0.1)の比率で錫とアンチモンとを含む第1結晶部と、
錫原子:銀原子=1:q(2≦q≦5)の比率で錫と銀とを含む第1部分、および、錫原子:銅原子=1:r(0.4≦r≦4)の比率で錫と銅とを含む第2部分の少なくとも一方を有する第2結晶部と、からなり、
前記第2結晶部の平均粒径は、前記第1結晶部の平均粒径よりも小さいことを特徴とする半導体装置の製造方法。
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JP6288284B2 (ja) * | 2014-09-10 | 2018-03-07 | 株式会社村田製作所 | 金属間化合物の生成方法 |
CN112338387B (zh) | 2015-09-17 | 2022-12-02 | 富士电机株式会社 | 半导体装置用软钎焊材料 |
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CN105103279A (zh) | 2015-11-25 |
WO2014181883A1 (ja) | 2014-11-13 |
JP6128211B2 (ja) | 2017-05-17 |
US20160035690A1 (en) | 2016-02-04 |
US10157877B2 (en) | 2018-12-18 |
DE112014002345T5 (de) | 2016-01-21 |
DE112014002345B4 (de) | 2021-02-11 |
CN105103279B (zh) | 2018-03-23 |
KR20160006667A (ko) | 2016-01-19 |
KR102217782B1 (ko) | 2021-02-18 |
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