JP6638620B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6638620B2 JP6638620B2 JP2016214530A JP2016214530A JP6638620B2 JP 6638620 B2 JP6638620 B2 JP 6638620B2 JP 2016214530 A JP2016214530 A JP 2016214530A JP 2016214530 A JP2016214530 A JP 2016214530A JP 6638620 B2 JP6638620 B2 JP 6638620B2
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- 239000004065 semiconductor Substances 0.000 title claims description 109
- 229910000679 solder Inorganic materials 0.000 claims description 53
- 230000002093 peripheral effect Effects 0.000 claims description 38
- 230000001681 protective effect Effects 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000020169 heat generation Effects 0.000 claims description 16
- 238000009736 wetting Methods 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 2
- 239000010408 film Substances 0.000 description 37
- 229920005989 resin Polymers 0.000 description 15
- 239000011347 resin Substances 0.000 description 15
- 238000007789 sealing Methods 0.000 description 15
- 230000008646 thermal stress Effects 0.000 description 12
- 230000017525 heat dissipation Effects 0.000 description 10
- 230000005855 radiation Effects 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 238000007747 plating Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000005240 physical vapour deposition Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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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
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
- H01L2224/0601—Structure
- H01L2224/0603—Bonding areas having different sizes, e.g. different heights or widths
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
- H01L2224/061—Disposition
- H01L2224/0618—Disposition being disposed on at least two different sides of the body, e.g. dual array
- H01L2224/06181—On opposite sides of the body
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- H01—ELECTRIC ELEMENTS
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- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/2612—Auxiliary members for layer connectors, e.g. spacers
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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
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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
- H01L2224/32245—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 metallic
-
- 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
- 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
- H01L2224/33—Structure, shape, material or disposition of the layer connectors after the connecting process of a plurality of layer connectors
- H01L2224/331—Disposition
- H01L2224/3318—Disposition being disposed on at least two different sides of the body, e.g. dual array
- H01L2224/33181—On opposite sides of the body
-
- 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
- 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
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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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
- H01L2224/48151—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
- H01L2224/48245—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 metallic
- H01L2224/48247—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 metallic connecting the wire to a bond pad of the item
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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
- H01L2224/73—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
-
- 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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
電極に対して対向配置され、はんだ(30)を介して電極に接合された放熱部材(18)と、
を備え、
電極は、はんだの不濡れ部分として、当該電極の中心を取り囲むように外周端に形成された複数の切り欠き(126c)を有し、
半導体基板において、切り欠きの直下部分及び当該直下部分の周辺部分を含む第1領域(120c)が、電極の直下部分であって第1領域とは別の領域であり、発熱素子の形成領域である第2領域(120a)よりも、発熱の小さな領域とされている。
電極に対して対向配置され、はんだ(30)を介して電極に接合された放熱部材(18)と、
を備え、
電極は、はんだの不濡れ部分として、半導体基板の板厚方向に直交する第1方向の両端と、板厚方向及び第1方向の両方向に直交する第2方向の両端と、にそれぞれ形成された切り欠き(126c)を有し、
半導体基板において、切り欠きの直下部分及び当該直下部分の周辺部分を含む第1領域(120c)が、電極の直下部分であって第1領域とは別の領域であり、発熱素子の形成領域である第2領域(120a)よりも、発熱の小さな領域とされている。
図1〜図3に基づき、半導体装置の概略構成について説明する。
本実施形態は、先行実施形態を参照できる。このため、先行実施形態に示した半導体装置10と共通する部分についての説明は省略する。
本実施形態は、先行実施形態を参照できる。このため、先行実施形態に示した半導体装置10と共通する部分についての説明は省略する。
Claims (8)
- 発熱素子が形成された半導体基板(120)、前記半導体基板の一面側に配置され、開口部(124a)を有する保護膜(124)、及び前記発熱素子と電気的に接続され、前記開口部を介して外部に露出された電極(126)を有する半導体チップ(12)と、
前記電極に対して対向配置され、はんだ(30)を介して前記電極に接合された放熱部材(18)と、
を備え、
前記電極は、前記はんだの不濡れ部分として、当該電極の中心を取り囲むように外周端に形成された複数の切り欠き(126c)を有し、
前記半導体基板において、前記切り欠きの直下部分及び当該直下部分の周辺部分を含む第1領域(120c)が、前記電極の直下部分であって前記第1領域とは別の領域であり、前記発熱素子の形成領域である第2領域(120a)よりも、発熱の小さな領域とされている半導体装置。 - 発熱素子が形成された半導体基板(120)、前記半導体基板の一面側に配置され、開口部(124a)を有する保護膜(124)、及び前記発熱素子と電気的に接続され、前記開口部を介して外部に露出された電極(126)を有する半導体チップ(12)と、
前記電極に対して対向配置され、はんだ(30)を介して前記電極に接合された放熱部材(18)と、
を備え、
前記電極は、前記はんだの不濡れ部分として、前記半導体基板の板厚方向に直交する第1方向の両端と、前記板厚方向及び前記第1方向の両方向に直交する第2方向の両端と、にそれぞれ形成された切り欠き(126c)を有し、
前記半導体基板において、前記切り欠きの直下部分及び当該直下部分の周辺部分を含む第1領域(120c)が、前記電極の直下部分であって前記第1領域とは別の領域であり、前記発熱素子の形成領域である第2領域(120a)よりも、発熱の小さな領域とされている半導体装置。 - 前記電極は、平面矩形状をなしており、
前記切り欠きは、前記電極の4辺のそれぞれに形成されている請求項1又は請求項2に記載の半導体装置。 - 前記電極には、2つの前記切り欠きが形成されており、
一方の前記切り欠きは、前記電極の4隅のひとつである第1隅部(126d)を介して隣り合う2辺にわたって形成され、他方の前記切り欠きは、前記第1隅部の対角に位置する第2隅部(126e)を介して隣り合う2辺にわたって形成されている請求項3に記載の半導体装置。 - 前記第1領域は、素子の形成されない非アクティブ領域とされている請求項1〜4いずれか1項に記載の半導体装置。
- 前記第1領域は、前記第2領域よりも通電性能の低いアクティブ領域とされている請求項1〜4いずれか1項に記載の半導体装置。
- 前記発熱素子は,IGBTであり、
前記第1領域には、前記IGBTに対して逆並列に接続される還流用のダイオードが形成されている請求項1〜4いずれか1項に記載の半導体装置。 - 前記電極は、前記開口部内に配置されるとともに、前記保護膜における開口部周辺上に配置されており、
前記電極の外周端から前記保護膜の開口端までの前記電極のオーバーラップ長さが、前記切り欠きの周辺部分において、前記切り欠きから離れた前記周辺部分とは異なる部分よりも長くされている請求項1〜7いずれか1項に記載の半導体装置。
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JP7278986B2 (ja) * | 2020-03-18 | 2023-05-22 | 株式会社東芝 | 半導体装置 |
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