JP2007287906A - 電極と電極の製造方法、及びこの電極を備えた半導体装置 - Google Patents
電極と電極の製造方法、及びこの電極を備えた半導体装置 Download PDFInfo
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- JP2007287906A JP2007287906A JP2006113195A JP2006113195A JP2007287906A JP 2007287906 A JP2007287906 A JP 2007287906A JP 2006113195 A JP2006113195 A JP 2006113195A JP 2006113195 A JP2006113195 A JP 2006113195A JP 2007287906 A JP2007287906 A JP 2007287906A
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- 239000010949 copper Substances 0.000 claims description 54
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 52
- 238000007747 plating Methods 0.000 claims description 23
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
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- 238000007789 sealing Methods 0.000 claims description 6
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
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- Lead Frames For Integrated Circuits (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Abstract
【解決手段】 本発明の金属ポストは金属板をエッチングする方法により形成する。そのために金属ポストの高さを精度良く、また微細化されたピッチで形成することができる。上側パッケージに形成された金属ポストにより上下パッケージを接続することで、微細化された電極間ピッチを有する小型化された半導体装置が得られる。
【選択図】 図1
Description
2 めっきレジスト
3 ランド
4 絶縁樹脂層
5 スルーホール
6 接続配線及び電極
7 ソルダレジスト
8 配線基板
9 半導体チップ
10 封止樹脂
11 エッチングレジスト
12 銅ポスト
13 上側パッケージ
14 下側パッケージ
15 はんだペースト
16 はんだボール
20 PoP構造半導体装置
Claims (10)
- 電極の製造方法において、金属板をその裏面からエッチングし、前記金属板の厚さを高さとする金属ポストを形成するステップを有することを特徴とする電極の製造方法。
- 前記金属ポストを形成するステップの前に、金属板の表面に配線基板を形成するステップと、前記配線基板上に半導体チップを搭載し樹脂封止するステップとを有することを特徴とする請求項1に記載の電極の製造方法。
- 前記配線基板を形成するステップは、前記金属板の表面にめっきレジストを塗布パターニングし、めっきすることでランドを形成するステップと、前記ランドを保護する絶縁樹脂層を形成するステップと、前記絶縁樹脂層にスルーホールを開口し前記ランドと接続された電極を形成するステップとを有することを特徴とする請求項2に記載の電極の製造方法。
- 前記ランドはニッケル、金、ニッケル、銅をめっきすることにより形成することを特徴とする請求項3に記載の電極の製造方法。
- 前記電極は銅めっきにより形成することを特徴とする請求項3に記載の電極の製造方法。
- 前記金属ポストを形成するステップは、前記金属板の裏面にエッチングレジストを塗布し、前記ランド部を含む金属板の領域を残しパターンとしてパターニングし、前記金属板をエッチングすることを特徴とする請求項1に記載の電極の製造方法。
- 請求項1乃至6のいずれか一項に記載の電極の製造方法により製造されたことを特徴とする電極。
- 前記金属ポストは銅を主成分とする金属板から形成されることを特徴とする請求項7に記載の電極。
- 請求項1乃至6のいずれか一項に記載の電極の製造方法により製造された電極を備えたことを特徴とする半導体装置。
- 前記金属ポストを有するパッケージを上側のパッケージとし、前記金属ポストと下側のパッケージのランドとをはんだにより接続したことを特徴とする請求項9に記載の半導体装置。
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JP2006113195A JP2007287906A (ja) | 2006-04-17 | 2006-04-17 | 電極と電極の製造方法、及びこの電極を備えた半導体装置 |
CNA2007100961494A CN101060087A (zh) | 2006-04-17 | 2007-04-13 | 电极及其制造方法,以及具有该电极的半导体器件 |
US11/735,836 US20070241463A1 (en) | 2006-04-17 | 2007-04-16 | Electrode, manufacturing method of the same, and semiconductor device having the same |
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JP2006113195A JP2007287906A (ja) | 2006-04-17 | 2006-04-17 | 電極と電極の製造方法、及びこの電極を備えた半導体装置 |
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