JP2007088453A - スタックダイパッケージを製造する方法 - Google Patents
スタックダイパッケージを製造する方法 Download PDFInfo
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- JP2007088453A JP2007088453A JP2006232999A JP2006232999A JP2007088453A JP 2007088453 A JP2007088453 A JP 2007088453A JP 2006232999 A JP2006232999 A JP 2006232999A JP 2006232999 A JP2006232999 A JP 2006232999A JP 2007088453 A JP2007088453 A JP 2007088453A
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- flip chip
- die
- base carrier
- chip die
- dies
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Abstract
【解決手段】スタックダイパッケージ(39)を形成する方法は、第1フリップチップダイ(16)をベースキャリア(12)の上に載置する工程と、第1フリップチップダイ(16)をベースキャリア(12)に電気的に接続する工程を含む。裏面同士が対向するように第2フリップチップダイ(18)を第1フリップチップダイ(16)に取着し、複数の絶縁ワイヤ(20)により第2フリップチップダイ(18)をベースキャリア(12)に電気的に接続する。第1、第2フリップチップダイと、ベースキャリアの1つの表面との上方に成形化合物(36)が形成される。
【選択図】図6
Description
ここで図3を参照する。ダイスタック40では、大きい方の第1フリップチップダイ44の上方に小さい方の第2フリップチップダイ42が積層されている。第1フリップチップダイ44は、破線で示す複数のフリップチップ配線48を通してベースキャリア46に電気的に接続されており、第2フリップチップダイ42は、複数の絶縁ワイヤ50を通してベースキャリア46に電気的に接続されている。絶縁ワイヤ50の第1端は、第2フリップチップダイ42の該当するダイボンディングパッドの上の該当するバンプ52に接続され、絶縁ワイヤ50の第2端は、ベースキャリア46上の該当する配線又はボンディングパッド54に接続されている。
ここで図7を参照する。図7にはベースキャリア80を示す。ベースキャリア80の上には複数のダイスタック82が形成されている。各ダイスタック82は第1フリップチップダイ84と、第2フリップチップダイ86とを含む。第1フリップチップダイ84はベースキャリア80の上に載置され、かつ、ベースキャリア80に電気的に接続されている。第2フリップチップダイ86は、裏面同士が対向するように第1フリップチップダイ84に取着されている。第2フリップチップダイ86は、複数の絶縁ワイヤ88によりベースキャリア80に電気的に接続されている。
ベースキャリアは基板であっても、リードフレームであってもよい。第1フリップチップダイは複数のフリップチップバンプによりベースキャリアに電気的に接続されてよい。第2フリップチップダイはテープ又はエポキシにより第1フリップチップダイに取着されてよい。
Claims (20)
- スタックダイパッケージを製造する方法であって、
第1フリップチップダイをベースキャリアの上に載置する工程と、
第1フリップチップダイをベースキャリアに電気的に接続する工程と、
裏面同士が対向するように第2フリップチップダイを第1フリップチップダイに取着する工程と、
複数の絶縁ワイヤにより第2フリップチップダイをベースキャリアに電気的に接続する工程と、からなる方法。 - 絶縁ワイヤの第1端は第2フリップチップダイの該当するダイボンディングパッドに接続され、かつ、絶縁ワイヤの第2端はベースキャリアに接続される請求項1に記載の方法。
- 第2フリップチップダイのダイボンディングパッドはエリアアレイ状に配置される請求項2に記載の方法。
- 第2フリップチップダイのダイボンディングパッドは第2フリップチップダイの周辺に沿って配置される請求項2に記載の方法。
- 絶縁ワイヤの第1端は第2フリップチップダイの該当するダイボンディングパッドの上の該当するバンプに接続され、かつ、絶縁ワイヤの第2端はベースキャリアに接続される請求項1に記載の方法。
- 第2フリップチップダイのダイボンディングパッドはエリアアレイ状に配置される請求項5に記載の方法。
- 第2フリップチップダイのダイボンディングパッドは第2フリップチップダイの周辺に沿って配置される請求項5に記載の方法。
- 第1フリップチップダイ及び第2フリップチップダイは、ほぼ同じ長さと、ほぼ同じ幅とを有する請求項1に記載の方法。
- 第2フリップチップダイは第1フリップチップダイよりも大きい請求項1に記載の方法。
- 複数の絶縁ワイヤのうちの1つ以上の絶縁ワイヤは複数の絶縁ワイヤのうちの別の絶縁ワイヤと交差する請求項1に記載の方法。
- 成形処理を施して第1及び第2フリップチップダイと、絶縁ワイヤと、ベースキャリアのうちの少なくとも一部分とを封止する工程を含む請求項1に記載の方法。
- テープ及びエポキシのうちの一方により第2フリップチップダイは第1フリップチップダイに取着される請求項11に記載の方法。
- ベースキャリアは基板及びリードフレームのうちの一方である請求項12に記載の方法。
- 第1フリップチップダイは複数のフリップチップ配線によりベースキャリアに電気的に接続される請求項13に記載の方法。
- スタックダイパッケージを製造する方法であって、
第1フリップチップダイをベースキャリアの上に載置する工程と、
第1フリップチップダイをベースキャリアに電気的に接続する工程と、
エリアアレイ状のダイボンディングパッドを有する第2フリップチップダイを裏面同士が対向するように第1フリップチップダイに取着する工程と、
複数の絶縁ワイヤにより第2フリップチップダイをベースキャリアに電気的に接続する工程と、からなる方法。 - 成形処理を施して第1及び第2フリップチップダイと、絶縁ワイヤと、ベースキャリアのうちの少なくとも一部分とを封止する工程を含む請求項15に記載の方法。
- 第1フリップチップダイ及び第2フリップチップダイは、ほぼ同じ長さと、ほぼ同じ幅とを有する請求項15に記載の方法。
- 第2フリップチップダイは第1フリップチップダイよりも大きい請求項15に記載の方法。
- 複数のスタックダイパッケージを製造する方法であって、
複数の第1フリップチップダイをベースキャリアの上に載置する工程と、
該複数の第1フリップチップダイをベースキャリアに電気的に接続する工程と、
裏面同士が対向するように複数の第2フリップチップダイを該複数の第1フリップチップダイのうちの該当する第1フリップチップダイに取着することにより複数のダイスタックを形成する工程と、
複数の絶縁ワイヤにより該複数の第2フリップチップダイをベースキャリアに電気的に接続する工程と、
成形処理を施して第1及び第2フリップチップダイと、絶縁ワイヤと、ベースキャリアの少なくとも一部分とを封止する工程と、からなる方法。 - 個片化を行なって複数のダイスタックのうちの隣接するダイスタックを分離することにより複数のスタックダイパッケージを形成する工程を含む請求項19に記載の方法。
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- 2006-08-30 JP JP2006232999A patent/JP5227501B2/ja not_active Expired - Fee Related
- 2006-09-20 US US11/524,457 patent/US7378298B2/en not_active Expired - Fee Related
- 2006-09-22 KR KR1020060092159A patent/KR20070034438A/ko not_active Ceased
- 2006-09-22 CN CNA2006101540943A patent/CN1937194A/zh active Pending
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US11380659B2 (en) | 2019-09-24 | 2022-07-05 | Nichia Corporation | Method of manufacturing light-emitting device and method of manufacturing light-emitting module |
US11784170B2 (en) | 2019-09-24 | 2023-10-10 | Nichia Corporation | Light-emitting device and light-emitting module with frame and covering member |
Also Published As
Publication number | Publication date |
---|---|
US7378298B2 (en) | 2008-05-27 |
KR20070034438A (ko) | 2007-03-28 |
TWI303873B (en) | 2008-12-01 |
US20070099341A1 (en) | 2007-05-03 |
TW200713563A (en) | 2007-04-01 |
JP5227501B2 (ja) | 2013-07-03 |
CN1937194A (zh) | 2007-03-28 |
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