JP2009267069A - チップの実装方法 - Google Patents
チップの実装方法 Download PDFInfo
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- JP2009267069A JP2009267069A JP2008114634A JP2008114634A JP2009267069A JP 2009267069 A JP2009267069 A JP 2009267069A JP 2008114634 A JP2008114634 A JP 2008114634A JP 2008114634 A JP2008114634 A JP 2008114634A JP 2009267069 A JP2009267069 A JP 2009267069A
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 229910000679 solder Inorganic materials 0.000 claims abstract description 88
- 239000004020 conductor Substances 0.000 claims abstract description 49
- 239000000203 mixture Substances 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 230000005496 eutectics Effects 0.000 claims abstract description 10
- 238000005304 joining Methods 0.000 claims description 16
- 239000000155 melt Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 abstract description 154
- 230000004907 flux Effects 0.000 abstract description 6
- 230000004927 fusion Effects 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 45
- 229910052710 silicon Inorganic materials 0.000 description 45
- 239000010703 silicon Substances 0.000 description 45
- 239000010931 gold Substances 0.000 description 42
- 239000002184 metal Substances 0.000 description 21
- 229910052751 metal Inorganic materials 0.000 description 21
- 238000001514 detection method Methods 0.000 description 18
- 239000000463 material Substances 0.000 description 18
- 229910052718 tin Inorganic materials 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 11
- 229910052737 gold Inorganic materials 0.000 description 11
- 238000000605 extraction Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229910052758 niobium Inorganic materials 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- 229910015363 Au—Sn Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910004166 TaN Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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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
- H01L24/80—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
-
- 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
- H01L2224/32—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
- H01L2224/4805—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
- H01L2224/48225—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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- H01L2224/732—Location after the connecting process
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- 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
- H01L2224/8319—Arrangement of the layer connectors prior to mounting
- H01L2224/83193—Arrangement of the layer connectors prior to mounting wherein the layer connectors are disposed on both the semiconductor or solid-state body and another item or body to be connected to the semiconductor or solid-state body
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- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/10251—Elemental semiconductors, i.e. Group IV
- H01L2924/10253—Silicon [Si]
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- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/156—Material
- H01L2924/15786—Material with a principal constituent of the material being a non metallic, non metalloid inorganic material
- H01L2924/15787—Ceramics, e.g. crystalline carbides, nitrides or oxides
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Abstract
【解決手段】LEDチップ1の実装面側にAu層からなる下地層11、AuSn層からなるはんだ層12aを順次形成してベース基板20のダイパッド部25aaに形成された導体パターン201と対向させてから、LEDチップ1側から加熱してはんだ層12bを形成し、続いて、LEDチップ1の加熱状態を維持したままLEDチップ1のはんだ層12bとベース基板20の導体パターン201とを接触させて適宜荷重を印加することでLEDチップ1とベース基板20とがはんだ層12cを介して接合される。はんだ層12aを形成するはんだ層形成工程では、はんだ層12aとして、共晶温度の組成比とは異なり且つLEDチップ1の耐熱温度以下で溶融する組成比のAuSn層を形成する。
【選択図】 図1
Description
以下では、本実施形態の実装方法を適用して製造するデバイスの一例であってチップ1としてLEDチップを備えた発光装置について図4〜図8に基づいて説明し、その後、本実施形態のチップ1の実装方法について図1〜3に基づいて説明する。
本実施形態のチップの実装方法は実施形態1と略同じであって、図9(a)に示すようにチップ吸着ツール100により吸着したLEDチップ1の実装面側のはんだ層12aとベース基板20の導体パターン201とを対向させるまでは同じで、LEDチップ1の実装面側のはんだ層12aと被搭載部材たるベース基板20の導体パターン201とを接触させた状態でLEDチップ1側(例えば、LEDチップ1の表面側)から加熱してLEDチップ1とベース基板20とを接合させるチップ接合工程を行うことで、LEDチップ1とベース基板20のダイパッド部25aaとがはんだ層12cを介して接合される(図9(c))。なお、各はんだ層12a,12cそれぞれの組成比は実施形態1と同様である。
11 下地層
12a はんだ層
12b はんだ層
12c はんだ層
20 ベース基板(被搭載部材)
25aa ダイパッド部
100 チップ吸着ツール
201 導体パターン
Claims (3)
- 実装面側にAuSu層からなるはんだ層を設けたチップと当該チップを搭載する部位にAuにより形成された導体パターンを設けた被搭載部材とを接合させるチップの実装方法であって、チップの実装面側にAu層からなる下地層を形成する下地層形成工程と、下地層形成工程の後で下地層上にAuSn層からなるはんだ層を形成するはんだ層形成工程と、はんだ層形成工程の後でチップ側から加熱してチップと被搭載部材とを接合させる接合工程とを備え、はんだ層形成工程では、はんだ層として、共晶組成よりもAuの組成比が小さく且つチップの耐熱温度以下で溶融する組成比のAuSn層を形成することを特徴とするチップの実装方法。
- 接合工程では、チップ側からの加熱により下地層とはんだ層とを溶融させた状態でチップと被搭載部材とを近づけて接合させるようにし、はんだ層形成工程では、接合工程において下地層とはんだ層とを溶融させた状態においてチップの耐熱温度以下で溶融する組成比のAuSn層が形成されるように当該はんだ層形成工程において形成するAuSn層の組成比を設定することを特徴とする請求項1記載のチップの実装方法。
- 接合工程では、チップの実装面側のはんだ層と被搭載部材の導体パターンとを接触させた状態でチップ側から加熱してチップと被搭載部材とを接合させることを特徴とする請求項1記載のチップの実装方法。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013232472A (ja) * | 2012-04-27 | 2013-11-14 | Nissan Motor Co Ltd | 半導体装置の製造方法、断熱荷重治具及び断熱荷重治具の設置方法 |
WO2015084117A1 (ko) * | 2013-12-06 | 2015-06-11 | 일진엘이디(주) | 다층 본딩패드를 가진 발광 다이오드 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003200289A (ja) * | 2001-09-27 | 2003-07-15 | Furukawa Electric Co Ltd:The | 部材の接合方法、その方法で得られた接合部材 |
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JP2003200289A (ja) * | 2001-09-27 | 2003-07-15 | Furukawa Electric Co Ltd:The | 部材の接合方法、その方法で得られた接合部材 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013232472A (ja) * | 2012-04-27 | 2013-11-14 | Nissan Motor Co Ltd | 半導体装置の製造方法、断熱荷重治具及び断熱荷重治具の設置方法 |
US10020282B2 (en) | 2012-04-27 | 2018-07-10 | Nissan Motor Co., Ltd. | Method for manufacturing semiconductor device, heat insulating load jig, and method for setting up heat insulating load jig |
WO2015084117A1 (ko) * | 2013-12-06 | 2015-06-11 | 일진엘이디(주) | 다층 본딩패드를 가진 발광 다이오드 |
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