JP5816689B2 - ダイスタッキングのための方法および半導体デバイス - Google Patents
ダイスタッキングのための方法および半導体デバイス Download PDFInfo
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- JP5816689B2 JP5816689B2 JP2013524213A JP2013524213A JP5816689B2 JP 5816689 B2 JP5816689 B2 JP 5816689B2 JP 2013524213 A JP2013524213 A JP 2013524213A JP 2013524213 A JP2013524213 A JP 2013524213A JP 5816689 B2 JP5816689 B2 JP 5816689B2
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- die
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- wire
- stitch
- bonded
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- 238000000034 method Methods 0.000 title claims description 55
- 239000004065 semiconductor Substances 0.000 title claims description 35
- 239000000758 substrate Substances 0.000 claims description 36
- 239000010410 layer Substances 0.000 claims description 27
- 239000012790 adhesive layer Substances 0.000 claims description 23
- 125000006850 spacer group Chemical group 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 10
- 241000251468 Actinopterygii Species 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
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- 238000010955 robust manufacturing process Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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Description
[020] 以下の詳細な説明のいくつかの部分は、コンピュータメモリ内のデータビットに対する動作の手順、ステップ、論理ブロック、処理、及び他の記号的な表現という観点で表現されている。これらの説明及び表現は、当業者によって用いられて、その作用の実質を他業者に最も有効に伝えるための手段である。ここには手順、コンピュータ実行ステップ、論理ブロック、プロセス等があり、これらは一般に所望の結果をもたらす自己矛盾のないステップ又は命令シーケンスであると考えられる。これらのステップは、物理量の物理的な操作を必要とするものである。通常、必須ではないが、これらの量は、コンピュータシステムにおいて記憶、転送、結合、比較、及び他の方法で操作することができる電気的又は磁気的な信号の形態を取る。時に、主に一般的な使用という理由で、これらの信号をビット、値、要素、シンボル、文字、用語、数字等と称することが便利であることがわかっている。
Claims (19)
- ダイスタッキングのための方法であって、
基板の上に第1のダイを位置決めすることと、
前記第1のダイ及び前記基板のボンドフィンガに第1のワイヤをボンドすることであって、前記第1のワイヤが第1のボンドによって前記ボンドフィンガに直接ボンドされる、ことと、
前記第1のボンドの上に第1のステッチバンプを形成することであって、前記第1のステッチバンプが導電材料の溶融ボールから形成され、前記第1のステッチバンプが前記第1のボンドに直接接触する、ことと、
前記第1のダイの上に第2のダイを位置決めすることと、
前記第2のダイ及び前記第1のステッチバンプに第2のワイヤをボンドすることであって、前記第2のワイヤが第2のボンドによって前記第1のステッチバンプに直接ボンドされ、前記第2のボンドが前記第1のステッチバンプの上にある、ことと、
を含む、方法。 - 第2のダイを位置決めする前記ステップの前に前記第1のダイの上にダイスペーサを位置決めするステップを更に含み、前記ダイスペーサが前記第1のダイと前記第2のダイとの間に位置決めされる、請求項1に記載の方法。
- 前記第1のダイ、ダイスペーサ、及び第2のダイの下面に接着層が貼り合わされている、請求項2に記載の方法。
- 第2のダイを位置決めする前記ステップの前に前記第1のダイの上にフィルムオーバーワイヤ(FOW)層を位置決めするステップを更に含み、前記FOWが前記第1のダイと前記第2のダイとの間に位置決めされる、請求項1に記載の方法。
- 前記第1のダイの下面に接着層が貼り合わされている、請求項4に記載の方法。
- 前記第1のボンド及び前記第2のボンドがステッチボンドであり、ステッチボンドが魚の尾の形状を有する、請求項1に記載の方法。
- 前記第1のワイヤ及び前記第2のワイヤが、導電材料の溶融ボールを形成することによって前記第1のダイ及び前記第2のダイにそれぞれボンドされる、請求項1に記載の方法。
- ダイスタッキングのための方法であって、
基板の上に第1のダイを位置決めすることと、
前記第1のダイ及び前記基板のボンドフィンガに第1のワイヤをボンドすることであって、前記第1のワイヤが第1のボンドによって前記ボンドフィンガに直接ボンドされる、ことと、
前記第1のダイの上に第2のダイを位置決めすることと、
前記第1のボンドの上に第1のステッチバンプを形成することであって、前記第1のステッチバンプが導電材料の溶融ボールから形成され、前記第1のステッチバンプが前記第1のボンドに直接接触する、ことと、
前記第2のダイ及び前記第1のステッチバンプに第2のワイヤをボンドすることであって、前記第2のワイヤが第2のボンドによって前記第1のステッチバンプに直接ボンドされ、前記第2のボンドが前記第1のステッチバンプの上にある、ことと、
を含む、方法。 - 第2のダイを位置決めする前記ステップの前に前記第1のダイの上にダイスペーサを位置決めすることを更に含み、前記ダイスペーサが前記第1のダイと前記第2のダイとの間に位置決めされる、請求項8に記載の方法。
- 前記第1のダイ、ダイスペーサ、及び第2のダイの下面に接着層が貼り合わされている、請求項9に記載の方法。
- 前記第2のダイを位置決めすることの前に前記第1のダイの上にフィルムオーバーワイヤ(FOW)層を位置決めすることを更に含み、前記FOWが前記第1のダイと前記第2のダイとの間に位置決めされる、請求項8に記載の方法。
- 前記第1のダイの下面に接着層が貼り合わされている、請求項11に記載の方法。
- 前記第1のボンド及び前記第2のボンドがステッチボンドであり、ステッチボンドが魚の尾の形状を有する、請求項8に記載の方法。
- 前記第1のワイヤ及び前記第2のワイヤが、導電材料の溶融ボールを形成することによって前記第1のダイ及び前記第2のダイにそれぞれボンドされる、請求項8に記載の方法。
- 基板と、
前記基板の上の複数のダイであって、スタックコンフィギュレーションである複数のダイと、
複数のボンドワイヤであって、各ボンドワイヤが前記複数のダイの1つ及び前記基板のボンドフィンガに取り付けられ、複数のボンドワイヤが前記ボンドフィンガに取り付けられ、前記複数のボンドワイヤの各ボンドワイヤがボンドによって前記ボンドフィンガに直接取り付けられ、前記複数のボンドが各ボンド対間にステッチバンプを有するスタックコンフィギュレーションであり、ステッチバンプが導電材料の溶融ボールから形成される、複数のボンドワイヤと、
を含み、
前記複数のダイが第1及び第2のダイを含み、前記複数のボンドが第1及び第2のボンド間に第1のステッチバンプを有する該第1及び第2のボンドを含み、
前記第1のステッチバンプが前記第1のボンド及び前記第2のボンドに直接接触し、
前記複数のボンドワイヤが、
前記第1のダイ及び前記ボンドフィンガにボンドされる第1のボンドワイヤであって、前記第1のボンドによって前記ボンドフィンガに直接ボンドされる第1のボンドワイヤと、
前記第2のダイ及び前記第1のステッチバンプにボンドされる第2のボンドワイヤであって、前記第2のボンドによって前記第1のステッチバンプに直接ボンドされる第2のボンドワイヤと、
を含む、半導体デバイス。 - 前記第1及び第2のダイ間のダイスペーサを更に含む、請求項15に記載の半導体デバイス。
- 前記第1及び第2のダイ及び前記ダイスペーサの下面に接着層が貼り合わされている、
請求項16に記載の半導体デバイス。 - 前記第1及び第2のダイ間のフィルムオーバーワイヤ(FOW)層であって、前記第1のダイに取り付けられた少なくとも1つのボンドワイヤの一部が埋め込まれたFOW層を更に含む、請求項15に記載の半導体デバイス。
- 前記第1のダイの下面に接着層が貼り合わされている、請求項18に記載の半導体デバイス。
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US20160064351A1 (en) * | 2014-08-30 | 2016-03-03 | Skyworks Solutions, Inc. | Wire bonding using elevated bumps for securing bonds |
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