JP2015057827A - 半導体パッケージ - Google Patents
半導体パッケージ Download PDFInfo
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- JP2015057827A JP2015057827A JP2014187826A JP2014187826A JP2015057827A JP 2015057827 A JP2015057827 A JP 2015057827A JP 2014187826 A JP2014187826 A JP 2014187826A JP 2014187826 A JP2014187826 A JP 2014187826A JP 2015057827 A JP2015057827 A JP 2015057827A
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- metal post
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Abstract
【解決手段】素子370が実装された下部パッケージ300と、下部パッケージ300に接続され、少なくとも一つの金属材料部を含む金属ポスト500と、素子430が実装されてはんだボール501を介して金属ポスト500に接続される上部パッケージ400と、を含む。
【選択図】図1
Description
Claims (15)
- 素子が実装された下部パッケージと、
前記下部パッケージに接続され、少なくとも一つの金属材料部を含む金属ポストと、
素子が実装されてはんだボールを介して前記金属ポストに接続される上部パッケージと、
を含む半導体パッケージ。 - 前記金属材料部は、表面上に表面処理層が形成される請求項1に記載の半導体パッケージ。
- 前記表面処理層は、前記金属ポストの上面及び側面に形成される請求項2に記載の半導体パッケージ。
- 前記表面処理層は、金(Au)及びニッケル(Ni)のうち少なくともいずれか一つの金属材料で構成される請求項2に記載の半導体パッケージ。
- 前記金属ポストは、前記はんだボールに接続される一端の幅が他端の幅よりも小さい請求項1に記載の半導体パッケージ。
- 前記金属ポストは、前記はんだボールに接続される一端から他端に行くほど次第に幅が増加する請求項1に記載の半導体パッケージ。
- 前記金属ポストは、前記一端の幅が他端の幅の50%〜90%に形成される請求項1に記載の半導体パッケージ。
- 前記金属ポストは、長さ方向の面が前記下部パッケージの基板の表面に対して5°〜45°に傾斜する請求項1に記載の半導体パッケージ。
- 前記金属ポストは、前記はんだボールに接続される一端が前記はんだボール内に引き込まれる請求項1に記載の半導体パッケージ。
- 前記金属ポストは、銅(Cu)、錫(Sn)、鉛(Pb)及び銀(Ag)のうち少なくともいずれか一つの材料で構成される請求項1に記載の半導体パッケージ。
- 前記金属ポストは、
第1金属材料のはんだ部と、
第2金属材料の金属材料部と、
を含む請求項1に記載の半導体パッケージ。 - 前記はんだ部は、錫(Sn)と銅(Cu)の合金材料又は錫(Sn)と銀(Ag)の合金材料で構成される請求項2に記載の半導体パッケージ。
- 前記はんだ部は、230℃〜250℃の溶融点を有する請求項2に記載の半導体パッケージ。
- 前記下部パッケージは、
基板と、
前記基板上に形成される第1シードパターン部と、
を含み、
前記金属ポストは前記第1シードパターン部上に形成される請求項1に記載の半導体パッケージ。 - 前記第1シードパターン部上に、前記第1シードパターン部の上面の一部が露出されるように形成されるはんだレジストパターンをさらに含む請求項4に記載の半導体パッケージ。
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