JP2006190960A - ハーフエッチングされたボンディングパッド及び切断されたメッキラインを具備するbgaパッケージ及びその製造方法 - Google Patents
ハーフエッチングされたボンディングパッド及び切断されたメッキラインを具備するbgaパッケージ及びその製造方法 Download PDFInfo
- Publication number
- JP2006190960A JP2006190960A JP2005228239A JP2005228239A JP2006190960A JP 2006190960 A JP2006190960 A JP 2006190960A JP 2005228239 A JP2005228239 A JP 2005228239A JP 2005228239 A JP2005228239 A JP 2005228239A JP 2006190960 A JP2006190960 A JP 2006190960A
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- Japan
- Prior art keywords
- outer layer
- bonding pad
- pattern
- solder ball
- bga package
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Abstract
【解決手段】回路パターン及びワイヤーボンディングパッドパターンを含み、チップがワイヤーボンディングパッドにワイヤーボンディングされている第1外層と、回路パターン、切断されたメッキラインパターン及びハーフエッチングされた段差形状のはんだボールパッドパターンを含み、はんだボールパッドの上にチップが実装されている第2外層と、及び前記第1外層及び第2外層の間に形成されているし、前記1外層及び第2外層の間の電気的導通のために導通ホールを含んだ絶縁層等で構成される。
【選択図】図7
Description
Claims (9)
- 回路パターン及びワイヤーボンディングパッドパターンを含み、チップがワイヤーボンディングパッドにワイヤーボンディングされている第1外層と、
回路パターン、切断されたメッキラインパターン及びハーフエッチングされた段差形状のはんだボールパッドパターンを含み、はんだボールパッドの上にチップが実装されている第2外層と、及び
前記第1外層及び第2外層の間に形成されているし、前記1外層及び第2外層の間の電気的導通のために導通ホールを含んだ絶縁層を含むことを特徴とするハーフエッチングされたボンディングパッド及び切断されたメッキラインを具備するBGA(Ball Grid Array)パッケージ。 - 前記ワイヤーボンディングパッドパターン及び前記はんだボールパッドパターン上に形成される第1メッキ層をさらに含むことを特徴とする請求項1記載のBGAパッケージ。
- 前記ワイヤーボンディングパッドパターンと金メッキ層の間及び前記はんだボールパッドパターンと第1メッキ層の間に形成される第2メッキ層をさらに含むことを特徴とする請求項2記載のBGAパッケージ。
- 前記ハーフエッチングされたボンディングパッドに附着するはんだボールははんだマスクが被覆されたボンディングパッドの側面領域まで形成された鳥の嘴の形状であることを特徴とする請求項1記載のハーフエッチングされたボンディングパッド及び切断されたメッキラインを具備するBGAパッケージ。
- 前記ハーフエッチングされたボンディングパッドとはんだボールの間に形成される金属間化合物ははんだマスクが被覆されたボンディングパッドの側面領域まで形成されることを特徴とする請求項1記載のハーフエッチングされたボンディングパッド及び切断されたメッキラインを具備するBGAパッケージ。
- (A)第1外層、第2外層及び前記第1外層と第2外層の間に形成される絶縁層を含む原板を提供する工程と、
(B)前記第1外層及び第2外層の電気的導通のために導通ホールを形成する段階と、
(C)前記第1外層に回路パターン及びワイヤーボンディングパッドパターンを含むパターンを形成して、前記第2外層に回路パターン、切断されたメッキラインパターン及びはんだボールパッドパターンを含むパターンを形成する段階と、
(D)前記第1外層及び第2外層にはんだレジストを塗布した後、前記第2外層のはんだボールパッドパターンにハーフエッチングをする段階と、及び
(E)前記第1外層のワイヤーボンディングパッドパターンに金メッキをして、前記第2外層のはんだボールパッドパターンに段差模様のはんだボールパッドを形成して表面処理する段階と、を含むことを特徴とするハーフエッチングされたボンディングパッド及び切断されたメッキラインを具備するBGAパッケージの製造方法。 - 前記(E)段階以後に、(F)前記第1外層上にチップを積層して、前記ワイヤーボンディングパッド及び前記チップにワイヤーボンディングする段階と、
(G)前記第2外層のはんだボールパッドパターン上にチップを積層する段階と、
(H)密封を利用してモールディングする段階をもっと含むことを特徴とする請求項6記載のBGAパッケージの製造方法。 - 前記絶縁層は内層が多層であることを特徴とする請求項6記載のハーフエッチングされたボンディングパッド及び切断されたメッキラインを具備するBGAパッケージの製造方法。
- 前記段差形状のボンディングパッドに塗布される表面処理部材は有機はんだ付け性保存剤(OSP)である請求項6記載のBGAパッケージの製造方法。
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-
2004
- 2004-12-30 KR KR1020040116799A patent/KR100601493B1/ko active IP Right Grant
-
2005
- 2005-05-24 TW TW094116968A patent/TWI256718B/zh not_active IP Right Cessation
- 2005-06-16 US US11/155,142 patent/US20060145343A1/en not_active Abandoned
- 2005-07-22 CN CNA2005100874425A patent/CN1797758A/zh active Pending
- 2005-08-05 JP JP2005228239A patent/JP4387336B2/ja not_active Expired - Fee Related
-
2008
- 2008-12-04 US US12/315,721 patent/US7829985B2/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010278388A (ja) * | 2009-06-01 | 2010-12-09 | Sumitomo Electric Ind Ltd | 接続方法,接続構造および電子機器 |
WO2010140469A1 (ja) * | 2009-06-01 | 2010-12-09 | 住友電気工業株式会社 | 接続方法,接続構造および電子機器 |
JP4746687B2 (ja) * | 2009-06-01 | 2011-08-10 | 住友電気工業株式会社 | 接続方法,接続構造および電子機器 |
JP2010282993A (ja) * | 2009-06-02 | 2010-12-16 | Sumitomo Electric Ind Ltd | 接続方法,接続構造および電子機器 |
KR20210154244A (ko) * | 2019-09-12 | 2021-12-20 | 양쯔 메모리 테크놀로지스 씨오., 엘티디. | 열 표시자를 갖는 기판을 포함하는 전자 구성요소 |
JP2022535791A (ja) * | 2019-09-12 | 2022-08-10 | 長江存儲科技有限責任公司 | 熱インジケータを備えた基板を含む電子部品 |
JP7394880B2 (ja) | 2019-09-12 | 2023-12-08 | 長江存儲科技有限責任公司 | 熱インジケータを備えた基板を含む電子部品 |
KR102663130B1 (ko) * | 2019-09-12 | 2024-05-07 | 양쯔 메모리 테크놀로지스 씨오., 엘티디. | 열 표시자를 갖는 기판을 포함하는 전자 구성요소 |
Also Published As
Publication number | Publication date |
---|---|
TWI256718B (en) | 2006-06-11 |
TW200625577A (en) | 2006-07-16 |
KR100601493B1 (ko) | 2006-07-18 |
US20090093110A1 (en) | 2009-04-09 |
US20060145343A1 (en) | 2006-07-06 |
US7829985B2 (en) | 2010-11-09 |
KR20060078110A (ko) | 2006-07-05 |
JP4387336B2 (ja) | 2009-12-16 |
CN1797758A (zh) | 2006-07-05 |
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