JP6966379B2 - 半導体装置およびその製造方法 - Google Patents
半導体装置およびその製造方法 Download PDFInfo
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
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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
- 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
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07 e.g. sealing of a cap to a base of a container
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
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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
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
- H01L2224/48139—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate with an intermediate bond, e.g. continuous wire daisy chain
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- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- 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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- H—ELECTRICITY
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4911—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain
- H01L2224/49111—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain the connectors connecting two common bonding areas, e.g. Litz or braid wires
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- H—ELECTRICITY
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4911—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain
- H01L2224/49113—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain the connectors connecting different bonding areas on the semiconductor or solid-state body to a common bonding area outside the body, e.g. converging wires
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- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4912—Layout
- H01L2224/49175—Parallel arrangements
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- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
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- H01—ELECTRIC ELEMENTS
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/91—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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Die Bonding (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
1a 上面
1b 下面
1c 電極
2、2a、2b、2c、2d はんだ
3 セラミック基板(配線基板)
3a 上面(表面)
3b 下面(裏面)
3c、3d、3e、3f 配線(導体部)
3g 多孔質構造
3h 孔
3i 酸化メタル膜(酸化膜)
3j ギ塩酸
4 ベース板(金属板)
4a 上面
4b はんだ接合部
4c Niめっき
4d 多孔質構造
4e 孔
5 はんだ
6 ワイヤ
7 端子
8 ケース
9 封止樹脂
10 金属間化合物
10a 迫り出し部(一部)
10b 露出面
11 はんだ接合部
20 パワーモジュール(半導体装置、半導体モジュール)
21 鉄道車両
22 パンタグラフ
23 インバータ
24 冷却装置
25 プリント基板
26 車両本体
27 自動車
28 車体
29 タイヤ
30 実装ユニット
50 パワーモジュール
Claims (12)
- 半導体チップと、
前記半導体チップを支持し、前記半導体チップが搭載される表面に導体部が設けられた配線基板と、
前記半導体チップと前記導体部とを接合するはんだと、
を有し、
前記導体部に含まれる金属と、前記はんだに含まれる金属と、からなる金属間化合物が、平面視で、前記はんだの外側の領域に迫り出し、かつ前記表面に露出して形成され、
前記配線基板の前記表面における前記金属間化合物の外側の領域が多孔質構造となっており、
前記多孔質構造の複数の孔に封止樹脂が埋め込まれている、半導体装置。 - 請求項1記載の半導体装置において、
前記金属間化合物の一部は、平面視で前記はんだを囲むように形成されている、半導体装置。 - 請求項2記載の半導体装置において、
前記金属間化合物の露出面は、前記表面と同じ高さである、半導体装置。 - 請求項1記載の半導体装置において、
前記導体部は、Cu配線であり、
前記金属間化合物は、CuとSnを主成分としている、半導体装置。 - 請求項1記載の半導体装置において、
前記導体部は、Niめっき配線であり、
前記金属間化合物は、NiとSnを主成分としている、半導体装置。 - 半導体チップと、
前記半導体チップを支持する配線基板と、
前記配線基板を支持する金属板と、
前記配線基板と前記金属板とを接合するはんだと、
を有し、
前記金属板に含まれる金属と、前記はんだに含まれる金属と、からなる金属間化合物が、平面視で、前記はんだの外側の領域に迫り出し、かつ前記金属板の表面に露出して形成され、
前記金属板の前記表面における前記金属間化合物の外側の領域が多孔質構造となっており、
前記多孔質構造の複数の孔に封止樹脂が埋め込まれている、半導体装置。 - 請求項6記載の半導体装置において、
前記金属間化合物の一部は、平面視で前記はんだを囲むように形成されている、半導体装置。 - 請求項7記載の半導体装置において、
前記金属間化合物の露出面は、前記金属板の前記表面と同じ高さである、半導体装置。 - 請求項6記載の半導体装置において、
前記金属板は、Cuを主成分として形成されており、
前記金属間化合物は、前記CuとSnを主成分としている、半導体装置。 - 請求項6記載の半導体装置において、
前記金属板の前記はんだと接合するはんだ接合部に、Niめっきが形成されており、
前記金属間化合物は、NiとSnを主成分としている、半導体装置。 - (a)表面に導体部が設けられた配線基板の前記表面上にはんだを介在させて半導体チップを載置する工程、
(b)ギ酸雰囲気で前記配線基板および前記はんだを加熱する工程、
を有し、
前記(b)工程では、前記加熱により前記配線基板の前記表面の酸化膜を還元して前記表面に多孔質構造を形成し、前記加熱により溶融された前記はんだを前記多孔質構造の複数の孔に濡れ広がらせることで、前記導体部に含まれる金属と、前記はんだに含まれる金属と、からなる金属間化合物を、平面視で、前記はんだの外側の領域に迫り出させ、かつ前記表面に露出するように形成する、半導体装置の製造方法。 - 請求項11記載の半導体装置の製造方法において、
前記(b)工程の後、前記配線基板および前記半導体チップを封止樹脂を用いて封止する(c)工程を有し、
前記(c)工程では、前記金属間化合物の外側の領域に形成された前記多孔質構造の複数の孔に前記封止樹脂を埋め込む、半導体装置の製造方法。
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JP2018082580A JP6966379B2 (ja) | 2018-04-23 | 2018-04-23 | 半導体装置およびその製造方法 |
PCT/JP2019/010158 WO2019207996A1 (ja) | 2018-04-23 | 2019-03-13 | 半導体装置およびその製造方法 |
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JP7492375B2 (ja) * | 2020-05-26 | 2024-05-29 | 株式会社 日立パワーデバイス | 半導体装置 |
JP7543863B2 (ja) | 2020-11-17 | 2024-09-03 | 富士電機株式会社 | 半導体モジュール |
WO2025004199A1 (ja) * | 2023-06-27 | 2025-01-02 | 株式会社村田製作所 | 積層セラミック電子部品 |
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JP6843503B2 (ja) * | 2015-12-21 | 2021-03-17 | 株式会社 日立パワーデバイス | 半導体装置及び移動体 |
WO2018042890A1 (ja) * | 2016-08-31 | 2018-03-08 | 三菱電機株式会社 | 接合体およびこれを用いた半導体装置 |
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