JP2018113301A - 半導体装置とその製造方法 - Google Patents
半導体装置とその製造方法 Download PDFInfo
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- JP2018113301A JP2018113301A JP2017001924A JP2017001924A JP2018113301A JP 2018113301 A JP2018113301 A JP 2018113301A JP 2017001924 A JP2017001924 A JP 2017001924A JP 2017001924 A JP2017001924 A JP 2017001924A JP 2018113301 A JP2018113301 A JP 2018113301A
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- semiconductor chip
- conductive paste
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- electrode plate
- bonding layer
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 131
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 44
- 239000002923 metal particle Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 230000008646 thermal stress Effects 0.000 abstract description 14
- 238000005304 joining Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- H01L2224/80—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
- 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
- H01L2224/838—Bonding techniques
- H01L2224/8384—Sintering
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L2924/30—Technical effects
- H01L2924/35—Mechanical effects
- H01L2924/351—Thermal stress
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/35—Mechanical effects
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Description
12 :半導体チップ
12a :外周縁
14 :接合層
14a :第1部分
14b :第2部分
16 :電極板
20 :凹部
22 :中央部
24 :外周部
30 :導電性ペースト
60 :金属粒子
Claims (6)
- 表面に凹部を有する電極板の前記凹部に隣接する特定範囲に金属粒子を含む導電性ペーストを塗布する工程と、
半導体チップの外周縁が前記凹部上に位置するように前記導電性ペースト上に前記半導体チップを載置する工程と、
前記半導体チップを前記電極板に向かって加圧しながら前記導電性ペーストを加熱することで、前記導電性ペーストを硬化させる工程、
を有する半導体装置の製造方法。 - 前記導電性ペーストを塗布する前記工程では、前記凹部の底面に前記導電性ペーストを塗布せず、
前記導電性ペーストを硬化させる前記工程では、前記特定範囲から前記凹部内に流入した前記導電性ペーストが前記凹部の前記底面に接触する、
請求項1の製造方法。 - 表面に凹部と前記凹部に隣接する特定範囲を有する電極板と、
前記特定範囲から前記凹部に跨る範囲を覆っており、金属によって構成されている接合層と、
前記特定範囲と前記凹部に対向するように配置されており、前記特定範囲上及び前記凹部上で前記接合層に接合されており、外周縁が前記凹部上に位置する半導体チップ、
を有し、
前記凹部上の前記接合層の空孔率が、前記特定範囲上の前記接合層の空孔率よりも高い半導体装置。 - 前記半導体チップの前記外周縁に隣接する部分の前記接合層の表面が、前記特定範囲から遠ざかるにしたがって前記凹部の底面側に変位するように前記半導体チップの下面に対して傾斜している請求項3の半導体装置。
- 前記接合層が、導電性ペーストである請求項3または4の半導体装置。
- 前記凹部が、前記電極板の前記表面において前記半導体チップを囲むように環状に伸びており、
前記特定範囲が、前記凹部に囲まれた範囲である請求項3〜5のいずれか一項の半導体装置。
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JP2017001924A JP6726821B2 (ja) | 2017-01-10 | 2017-01-10 | 半導体装置の製造方法 |
US15/847,083 US10269753B2 (en) | 2017-01-10 | 2017-12-19 | Semiconductor device and manufacturing method of semiconductor device |
CN201711385296.3A CN108321139A (zh) | 2017-01-10 | 2017-12-20 | 半导体器件和半导体器件的制造方法 |
KR1020170176028A KR102056899B1 (ko) | 2017-01-10 | 2017-12-20 | 반도체 장치와 반도체 장치의 제조 방법 |
BR102017027714A BR102017027714A2 (pt) | 2017-01-10 | 2017-12-21 | dispositivo semicondutor e método de fabricação do dispositivo semicondutor |
RU2017145049A RU2678509C1 (ru) | 2017-01-10 | 2017-12-21 | Полупроводниковое устройство и способ изготовления полупроводникового устройства |
TW106145499A TWI672748B (zh) | 2017-01-10 | 2017-12-25 | 半導體裝置及半導體裝置的製造方法 |
EP17210571.0A EP3346487A1 (en) | 2017-01-10 | 2017-12-26 | Semiconductor device with a joining layer with a part with higher porosity in a recess of an electrode plate and corresponding manufacturing method |
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CN111316408B (zh) | 2017-10-30 | 2023-07-18 | 三菱电机株式会社 | 电力用半导体装置以及电力用半导体装置的制造方法 |
CN111315183B (zh) * | 2018-12-12 | 2022-02-01 | 成都鼎桥通信技术有限公司 | 用于电子元器件的导热组件、制冷装置及电子设备 |
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JP6815562B1 (ja) * | 2019-12-02 | 2021-01-20 | 三菱電機株式会社 | ヒートシンク |
US11776871B2 (en) * | 2020-12-15 | 2023-10-03 | Semiconductor Components Industries, Llc | Module with substrate recess for conductive-bonding component |
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