JP5182296B2 - 電子部品装置の製造方法 - Google Patents
電子部品装置の製造方法 Download PDFInfo
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- JP5182296B2 JP5182296B2 JP2009552394A JP2009552394A JP5182296B2 JP 5182296 B2 JP5182296 B2 JP 5182296B2 JP 2009552394 A JP2009552394 A JP 2009552394A JP 2009552394 A JP2009552394 A JP 2009552394A JP 5182296 B2 JP5182296 B2 JP 5182296B2
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- electronic component
- electrode
- metal nanoparticle
- nanoparticle paste
- resin
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- 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
- H01L24/81—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 bump connector
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- H01L24/97—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
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Description
2 金属ナノ粒子
3 分散剤
4 分散媒
6 接合焼結体
21,34,38,46,58 電子部品装置
22,51 配線基板(第1の電子部品)
23,53a,53b,53c 基板側電極(第1の電極)
25,29 ダム
26,52 チップ部品(第2の電子部品)
27,54a,54b,54c チップ側電極(第2の電極)
30 荷重
31,57 圧縮変形限界厚
39 ラミネート樹脂
40 シート状樹脂
41 ローラ
43 フィラー
47 アンダーフィル樹脂
55a,55b,55c 電極間の間隔
56 金属ナノ粒子ペーストの付与厚み
a.互いに対向する基板側電極53aとチップ側電極54aとの間隔が13μm、
b.互いに対向する基板側電極53bとチップ側電極54bとの間隔が16μm、
c.互いに対向する基板側電極53cとチップ側電極54cとの間隔が17μm
であるとき、間隔の最大のものは17μmであり、最小のものは13μmであり、最大のものと最小のものとの差は、17μm−13μm=4μmということになる。
Claims (7)
- 第1の電極を有する第1の電子部品および第2の電極を有する第2の電子部品を用意する工程と、
平均粒径が1〜100nmの金属ナノ粒子と分散剤と分散媒とを含む金属ナノ粒子ペーストを用意する工程と、
前記金属ナノ粒子ペーストに与えられる荷重と、荷重によって圧縮変形する前記金属ナノ粒子ペーストの高さとの関係から圧縮変形が限界に達する所定の荷重を求める工程と、
前記第1の電極および前記第2の電極の少なくとも一方に、前記金属ナノ粒子ペーストを付与する、ペースト付与工程と、
前記金属ナノ粒子ペーストを互いの間に介在させた状態で、前記第1の電極と前記第2の電極とが互いに対向するように、前記第1の電子部品と前記第2の電子部品とを互いに位置合わせする工程と、
前記第1の電子部品と前記第2の電子部品とを互いに近接させる方向に前記所定の荷重以上の荷重を加え、それによって、前記第1の電極と前記第2の電極との間にある前記金属ナノ粒子ペーストを圧縮変形限界厚まで圧縮変形させる工程と、
次いで、前記金属ナノ粒子ペーストに含まれる前記分散剤および前記分散媒を除去できる温度以上、かつ前記金属ナノ粒子を構成する金属の融点未満の温度で加熱することにより、前記金属ナノ粒子を焼結させ、それによって、前記第1の電極と前記第2の電極とを互いに接合させる工程と
を備える、電子部品装置の製造方法。 - 前記第1の電子部品は複数の前記第1の電極を有し、前記第2の電子部品は複数の前記第2の電極を有し、前記第1の電子部品と前記第2の電子部品とを互いに位置合わせしたとき、互いに対向する各前記第1の電極と各前記第2の電極とのそれぞれの間隔が互いに等しくないものを含み、前記ペースト付与工程において付与される前記金属ナノ粒子ペーストの厚みは、前記間隔の最大のものと最小のものとの間の差を前記圧縮変形限界厚に加えた厚み以上とされる、請求項1に記載の電子部品装置の製造方法。
- 前記第1の電極の周囲には、前記金属ナノ粒子ペーストの広がりを防止するためのダムが形成される、請求項1に記載の電子部品装置の製造方法。
- 前記第2の電極の周囲には、前記金属ナノ粒子ペーストの広がりを防止するためのダムが形成される、請求項1に記載の電子部品装置の製造方法。
- ラミネート封止用の未硬化状態のシート状樹脂を用意する工程と、前記第1の電極と前記第2の電極とを互いに接合させる工程の後、前記第1の電子部品および前記第2の電子部品のいずれか一方を、前記未硬化状態のシート状樹脂で覆う工程と、前記未硬化状態のシート状樹脂を前記第1の電子部品および前記第2の電子部品に向かって加圧する工程と、前記未硬化状態のシート状樹脂を硬化させる工程とをさらに備える、請求項1ないし4のいずれかに記載の電子部品装置の製造方法。
- 前記シート状樹脂は、粒径が所定の寸法以下に揃えられたフィラーを含み、前記未硬化状態のシート状樹脂を加圧する工程において、前記第1の電子部品および前記第2の電子部品のいずれか一方を覆う前記シート状樹脂の最も薄い部分での厚みが前記フィラーの粒径によって支配されるように、前記シート状樹脂が加圧制御される、請求項5に記載の電子部品装置の製造方法。
- アンダーフィル封止用の未硬化状態の樹脂を用意する工程と、前記第1の電極と前記第2の電極とを互いに接合させる工程の後、前記第1の電子部品と前記第2の電子部品のうち、面積がより小さい方の電子部品の少なくとも周囲に前記未硬化状態の樹脂を付与する工程と、前記未硬化状態の樹脂を硬化させる工程とをさらに備える、請求項1ないし4のいずれかに記載の電子部品装置の製造方法。
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JP5445167B2 (ja) * | 2010-01-25 | 2014-03-19 | パナソニック株式会社 | 半導体装置及びその製造方法 |
MY160373A (en) * | 2010-07-21 | 2017-03-15 | Semiconductor Components Ind Llc | Bonding structure and method |
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