JP2013168625A - 電子装置とその製造方法及び電子装置の製造装置 - Google Patents
電子装置とその製造方法及び電子装置の製造装置 Download PDFInfo
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- JP2013168625A JP2013168625A JP2012149410A JP2012149410A JP2013168625A JP 2013168625 A JP2013168625 A JP 2013168625A JP 2012149410 A JP2012149410 A JP 2012149410A JP 2012149410 A JP2012149410 A JP 2012149410A JP 2013168625 A JP2013168625 A JP 2013168625A
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- H01L21/76254—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along an ion implanted layer, e.g. Smart-cut, Unibond
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Abstract
【解決手段】第1の電子部品30の第1の電極35aの上面を有機酸に曝す工程と、有機酸に曝した第1の電極35aの上面に紫外線を照射する工程と、第1の電極35aと、第2の電子部品40の第2の電極35bとを加熱しながら互いに押圧して接合する工程とを有する電子装置の製造方法による。
【選択図】図7
Description
図3は、第1実施形態で使用する電子装置の製造装置の構成図である。
CuO2+ 2HCOOH → Cu(HCOO)2 +H2+O2・・・(2)
上記の反応により、図4(c)に示すように、第1の電極35aの上面に蟻酸銅を含む有機酸金属膜2が形成される。
この反応により、図5(c)に示すように、結晶性のないアモルファス状態又は微結晶状態の銅を含む銅の変質層3が第1の電極35aの上面に形成される。
第1実施形態では、酸化膜1(図4(b))を利用してアモルファス状態や微結晶状態の銅の変質層3(図5(c))を形成した。
第1実施形態では、図3に示したように、有機酸用の第1のチャンバー21と紫外線照射用の第2のチャンバー24を用いた。
本実施形態では、以下のように第1の電子部品30と第2の電子部品40とを仮止め材で固定する。
第4実施形態では、図13(a)、(b)に示したように第1のチャンバー51と第2のチャンバー52を用いた。これに対し、本実施形態では、これらの二つのチャンバーの機能を一つにまとめた電子装置の製造装置について説明する。
第1実施形態では、第1の電極35aと第2の電極35bの材料として銅を用いた。これに対し、本実施形態では、これらの電極の上に予めスズ層を形成しておく。
SnO2+2HCOOH→Sn(HCOO)2+H2+O2・・・(5)
このような反応により、第1の電極35aの上面には、蟻酸スズを含む有機酸金属膜68が形成される。なお、この時の加熱により、銅を材料とする第1の電極35aとスズ層66の界面ではスズと銅の金属間化合物(Cu6Sn5)層66aが形成される。
この反応で生成したスズは、図18(c)に示すように結晶構造をもたないアモルファス状態又は微結晶状態のスズの変質層69となる。
有機酸に曝した前記第1の電極の前記上面に紫外線を照射する工程と、
前記第1の電極と、第2の電子部品の第2の電極とを加熱しながら互いに押圧して接合する工程と、
を有することを特徴とする電子装置の製造方法。
前記有機酸に曝した前記第2の電極の上面に紫外線を照射する工程とを更に有することを特徴とする付記1に記載の電子装置の製造方法。
前記第1の電極と接合した第2の電極を備えた第2の電子部品とを備え、
前記第1の電極と前記第2の電極との間に結晶層が形成されたことを特徴とする電子装置。
前記チャンバー内に設けられ、電極を有する電子部品を載置するステージと、
前記チャンバー内に設けられ、前記電極に紫外線を照射する紫外線ランプとを備え、
前記紫外線ランプが、前記電極の上面に前記紫外線が照射される位置に設けられたことを特徴とする電子装置の製造装置。
前記第1のチャンバーに連結され、前記第1の電極と前記第2の電極の少なくとも一方に紫外線を照射する第2のチャンバーと、
前記第2のチャンバーに連結され、前記第1の電極と前記第2の電極とを位置合わせするボンダーと、
前記ボンダーに連結され、前記第1の電子部品と前記第2の電子部品とを加熱しながら互いに押圧する第3のチャンバーと、
を有することを特徴とする電子装置の製造装置。
Claims (11)
- 第1の電子部品の第1の電極の上面を有機酸に曝す工程と、
有機酸に曝した前記第1の電極の前記上面に紫外線を照射する工程と、
前記第1の電極と、第2の電子部品の第2の電極とを加熱しながら互いに押圧して接合する工程と、
を有することを特徴とする電子装置の製造方法。 - 前記第1の電極と前記第2の電極とを接合する工程の前に、前記第1の電子部品と前記第2の電子部品とを仮止め材により仮止めする工程を更に有することを特徴とする請求項1に記載の電子装置の製造方法。
- 前記仮止め材として、前記第1の電極と前記第2の電極とを接合する工程における熱で揮発、溶融、又は分解する材料を使用することを特徴とする請求項2に記載の電子装置の製造方法。
- 前記有機酸に曝す工程の前に、前記第1の電極の前記上面を熱酸化する工程を更に有することを特徴とする請求項1乃至請求項3のいずれか1項に記載の電子装置の製造方法。
- 前記第1の電極と前記第2の電極とを接合する工程は、酸素を排除した雰囲気中、又は有機酸を含む雰囲気中で行われることを特徴とする請求項1乃至請求項4のいずれか1項に記載の電子装置の製造方法。
- 前記第1の電極と第2の電極とを接合する工程において、前記紫外線の照射によって前記第1の電極の前記上面に形成された変質層の再結晶温度よりも高い温度に、前記第1の電極と前記第2の電極とを加熱することを特徴とする請求項1乃至請求項5のいずれか1項に記載の電子装置の製造方法。
- 前記第1の電極の上面を有機酸に曝す工程の前に、該上面に切削加工を施す工程を更に有することを特徴とする請求項1乃至請求項6のいずれか1項に記載の電子装置の製造方法。
- 第1の電極を備えた第1の電子部品と、
前記第1の電極と接合した第2の電極を備えた第2の電子部品とを備え、
前記第1の電極と前記第2の電極との間に結晶層が形成されたことを特徴とする電子装置。 - 前記結晶層における結晶粒の平均直径は、前記第1の電極と前記第2の電極の各々の結晶粒の平均直径よりも小さいことを特徴とする請求項8に記載の電子装置。
- チャンバーと、
前記チャンバー内に設けられ、電極を有する電子部品を載置するステージと、
前記チャンバー内に設けられ、前記電極に紫外線を照射する紫外線ランプとを備え、
前記紫外線ランプが、前記電極の上面に前記紫外線が照射される位置に設けられたことを特徴とする電子装置の製造装置。 - 第1の電子部品が備える第1の電極と、第2の電子部品が備える第2の電極の少なくとも一方の表面の酸化膜を除去する第1のチャンバーと、
前記第1のチャンバーに連結され、前記第1の電極と前記第2の電極の少なくとも一方に紫外線を照射する第2のチャンバーと、
前記第2のチャンバーに連結され、前記第1の電極と前記第2の電極とを位置合わせするボンダーと、
前記ボンダーに連結され、前記第1の電子部品と前記第2の電子部品とを加熱しながら互いに押圧する第3のチャンバーと、
を有することを特徴とする電子装置の製造装置。
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US13/671,970 US8922027B2 (en) | 2012-01-20 | 2012-11-08 | Electronic device having electrodes bonded with each other |
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JP2013197255A (ja) * | 2012-03-19 | 2013-09-30 | Fujitsu Ltd | 半導体装置の製造方法及び半導体装置の製造装置 |
JP2014175425A (ja) * | 2013-03-07 | 2014-09-22 | Mitsubishi Materials Corp | パワーモジュール用基板の製造方法 |
KR20170099883A (ko) * | 2014-12-23 | 2017-09-01 | 에베 그룹 에. 탈너 게엠베하 | 기질들을 예비고정하기 위한 방법 및 장치 |
JP2018506841A (ja) * | 2014-12-23 | 2018-03-08 | エーファウ・グループ・エー・タルナー・ゲーエムベーハー | 基板を仮固定するための方法と装置 |
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TWI475620B (zh) | 2015-03-01 |
JP6011074B2 (ja) | 2016-10-19 |
CN103212776A (zh) | 2013-07-24 |
US9911642B2 (en) | 2018-03-06 |
CN103212776B (zh) | 2016-02-24 |
US20140342504A1 (en) | 2014-11-20 |
US8922027B2 (en) | 2014-12-30 |
US20130187293A1 (en) | 2013-07-25 |
TW201332028A (zh) | 2013-08-01 |
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