JP4595018B2 - 半導体装置の製造方法およびボンディング装置 - Google Patents
半導体装置の製造方法およびボンディング装置 Download PDFInfo
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Description
図1は、第1の実施形態に係るワイヤボンディング装置の一例を示した図である。図1に示すように、第1の実施形態に係るワイヤボンディング装置10は、キャピラリ12に挿通されたボンディングワイヤ11を用いてワイヤボンディングすることにより、半導体装置1に設けられたパッド面2と、この半導体装置1がボンディングされた基板3に設けられたリード面4とを、電気的に連結するものである。このため、ワイヤボンディング装置10は、ボンディングワイヤ11が挿通されるキャピラリ12と、キャピラリ12を保持するボンディングヘッド15と、ボンディングヘッド15を回転(揺動)させるアーム駆動モータ16と、ボンディング対象の基板3が載置されるボンディングステージ17と、ボンディングヘッド15を水平方向であるX軸方向及びY軸方向に移動させるXY移動機構18と、ワイヤボンディング装置10を統括的に制御する制御部20と、を備えている。
図9は、第2の実施形態に係るバンプボンディング装置の一例を示した図である。図9に示すように、第2の実施形態に係るバンプボンディング装置30は、キャピラリ12に挿通されたボンディングワイヤ11をボンディングすることにより、基板6に固着された1又は複数の半導体装置7の各々に形成されたパッド面8にバンプを形成するものである。バンプボンディング装置30は、第1の実施形態に係るワイヤボンディング装置10と比較して、ボンディング対象及びボンディング方法が異なるものの、基本的な構成は同じである。このため、バンプボンディング装置30は、ワイヤボンディング装置10と同様に、ボンディングワイヤ11が挿通されるキャピラリ12と、キャピラリを保持するボンディングヘッド15と、ボンディングヘッド15を回転(揺動)させるアーム駆動モータ16と、ボンディング対象の基板6が載置されるボンディングステージ17と、ボンディングステージ17を水平方向であるX軸方向及びY軸方向に移動させるXY移動機構18と、バンプボンディング装置30を統括的に制御する制御部40と、を備えている。そして、ボンディングヘッド15は、一端にキャピラリ12を保持して他端に超音波振動を発生する振動子13aが設けられた超音波ホーン13と、超音波ホーン13を保持するボンディングアーム14とにより構成されている。
まず、第1ボンディング工程によりパッド面2に固着されたイニシャルボール11aの寸法について検証する。
[実施例]
・超音波振動印加時間:10ms
・キャピラリに印加する荷重:130gf
・荷重を印加する時間:13ms
・スクラブ動作:渦巻スクラブ、最大径は10μm、3周回転、周波数は250Hz
[比較例]
・超音波振動印加時間:10ms
・キャピラリに印加する荷重:170gf
・荷重を印加する時間:13ms
・スクラブ動作:なし
とした。
次に、第2ボンディング工程によりリード面4に固着されたボンディングワイヤ11の引張強度について検証する。
[実施例]
・超音波振動印加時間:4ms
・キャピラリに印加する荷重:50gf
・荷重を印加する時間:7ms
・スクラブ動作:渦巻スクラブ、最大径は5μm、3周回転、周波数は350Hz
[比較例]
・超音波振動印加時間:4ms
・キャピラリに印加する荷重:50gf
・荷重を印加する時間:7ms
・スクラブ動作:直線スクラブ、最大直線長さは6μm、直線3回往復移動
とした。
Claims (8)
- パッド面が設けられたボンディング対象が載置されるボンディングステージと、
先端にイニシャルボールが形成されたボンディングワイヤが挿通されるキャピラリと、
ボンディングステージに載置されたボンディング対象のパッド面にイニシャルボールを加圧接触させる加圧接触手段と、パッド面にイニシャルボールが加圧接触されている際に、イニシャルボールの加圧方向と直交する方向においてキャピラリを渦巻状に回転させるスクラブ手段と、を有する制御部と、
を含むボンディング装置を用意する工程と、
ボンディング装置の制御部の指令に基づく加圧接触手段により、ボンディングステージに載置されたボンディング対象のパッド面に、キャピラリに挿通されたボンディングワイヤの先端に形成されたイニシャルボールを加圧接触させる加圧接触工程と、
ボンディング装置の制御部の指令に基づくスクラブ手段により、パッド面にイニシャルボールが加圧接触されている際に、イニシャルボールの加圧方向と直交する方向においてキャピラリを渦巻状に回転させるスクラブ工程と、
を含む半導体装置の製造方法。 - スクラブ工程は、イニシャルボールがパッド面に接触した位置を基準位置として、この基準位置から径を拡大しながらキャピラリを渦巻状に回転させた後、径を縮小しながらキャピラリを渦巻状に回転させて基準位置に戻す、請求項1に記載の半導体装置の製造方法。
- スクラブ工程は、パッド面が延在している場合、パッド面の延在方向に沿って扁平した渦巻状にキャピラリを回転させる、請求項1に記載の半導体装置の製造方法。
- パッド面が設けられたボンディング対象が載置されるボンディングステージと、
先端にイニシャルボールが形成されたボンディングワイヤが挿通されるキャピラリと、
ボンディングステージに載置されたボンディング対象のパッド面にイニシャルボールを加圧接触させる加圧接触手段と、パッド面にイニシャルボールが加圧接触されている際に、イニシャルボールの加圧方向と直交する方向においてキャピラリを渦巻状に回転させるスクラブ手段と、を有する制御部と、
を含むボンディング装置。 - リード面が設けられたボンディング対象が載置されるボンディングステージと、
ボンディングワイヤが挿通されるキャピラリと、
ボンディングステージに載置されたボンディング対象のリード面に、キャピラリ及びこのキャピラリに挿通されたボンディングワイヤを加圧接触させる加圧接触手段と、リード面にキャピラリが加圧接触されている際に、キャピラリの加圧方向と直交する方向においてキャピラリを渦巻状に回転させるスクラブ手段と、を有する制御部と、
を含むボンディング装置を用意する工程と、
ボンディング装置の制御部の指令に基づく加圧接触手段により、ボンディングステージに載置されたボンディング対象のリード面に、ボンディングワイヤが挿通されたキャピラリ及びこのキャピラリに挿通されたボンディングワイヤを加圧接触させる加圧接触工程と、
ボンディング装置の制御部の指令に基づくスクラブ手段により、リード面にキャピラリが加圧接触されている際に、キャピラリの加圧方向と直交する方向においてキャピラリを渦巻状に回転させるスクラブ工程と、
を含む半導体装置の製造方法。 - スクラブ工程は、キャピラリがリード面に接触した位置を基準位置として、この基準位置から径を拡大しながらキャピラリを渦巻状に回転させた後、径を縮小しながらキャピラリを渦巻状に回転させて基準位置に戻す、請求項5に記載の半導体装置の製造方法。
- スクラブ工程は、リード面が延在している場合、リード面の延在方向に沿って扁平した渦巻状にキャピラリを回転させる、請求項5に記載の半導体装置の製造方法。
- リード面が設けられたボンディング対象が載置されるボンディングステージと、
ボンディングワイヤが挿通されるキャピラリと、
ボンディングステージに載置されたボンディング対象のリード面に、キャピラリ及びこのキャピラリに挿通されたボンディングワイヤを加圧接触させる加圧接触手段と、リード面にキャピラリが加圧接触されている際に、キャピラリの加圧方向と直交する方向においてキャピラリを渦巻状に回転させるスクラブ手段と、を有する制御部と、
を含むボンディング装置。
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CN201080008761.1A CN102326241B (zh) | 2009-02-23 | 2010-01-25 | 半导体装置的制造方法以及焊接装置 |
PCT/JP2010/050910 WO2010095490A1 (ja) | 2009-02-23 | 2010-01-25 | 半導体装置の製造方法およびボンディング装置 |
SG2011060969A SG173828A1 (en) | 2009-02-23 | 2010-01-25 | Method for manufacturing semiconductor device, and bonding apparatus |
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