JP2020010021A - 半導体パッケージ及びその製造方法 - Google Patents
半導体パッケージ及びその製造方法 Download PDFInfo
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Abstract
Description
11 第1コア部
13 第1基板上部導電パターン
15 第1基板下部導電パターン
17 第1基板上部保護膜
19 第1基板下部保護膜
22 外部連結端子
24 第1アンダーフィル膜
26 第1内部連結端子
30 第2基板
31 第2コア部
33 第2基板上部導電パターン
35 第2基板下部導電パターン
37 第2基板上部保護膜
39 第2基板下部保護膜
40 第2内部連結端子
42 第2アンダーフィル膜
44 第3内部連結端子
46 第3アンダーフィル膜
50 第1半導体チップ
51 第1チップボディー
53 第1チップ導電パッド
55 第1チップ保護膜
60 第2半導体チップ
61 第2チップボディー
63 第2チップ導電パッド
65 第2チップ保護膜
70 熱境界物質(サーマルインタフェース材料)膜
80 放熱部材
82 接着膜
100 半導体パッケージ
Claims (20)
- 第1基板と、
前記第1基板上に実装される第1半導体構造物と、
前記第1基板上に実装され、前記第1半導体構造物と離隔される第2半導体構造物と、
前記第1半導体構造物、前記第2半導体構造物、及び前記第1基板を覆う放熱部材と、
前記第1半導体構造物と前記放熱部材との間、そして前記第2半導体構造物と前記放熱部材との間に介在される熱境界物質膜と、を含み、
前記第1半導体構造物は、前記第2半導体構造物に隣接する第1側壁と前記第1側壁とは反対側の第2側壁を有し、
前記熱境界物質膜は、前記第1半導体構造物と前記第2半導体構造物との間に介在される第1熱境界物質部分と前記第2側壁の外に突出された第2熱境界物質部分を含み、
前記第1基板の上面から前記第1熱境界物質部分の最下端までの第1距離は、前記第1基板の上面から前記第2熱境界物質部分の最下端までの第2距離より小さい半導体パッケージ。 - 前記第1基板と前記第1半導体構造物との間に介在された第1アンダーフィル膜と、
前記第1アンダーフィル膜が前記第1側壁の外に突出された第1アンダーフィル突出部と、を含み、
前記第1熱境界物質部分は、前記第1アンダーフィル突出部と離隔される請求項1に記載の半導体パッケージ。 - 前記第1基板の上面から前記第1アンダーフィル突出部の上端までの第3距離は、第1基板の上面から前記第1半導体構造物の上面までの第4距離の50%以下である請求項2に記載の半導体パッケージ。
- 前記第2半導体構造物は、前記第1半導体構造物に隣接する第3側壁と前記第3側壁とは反対側の第4側壁を有し、
前記熱境界物質膜は、前記第4側壁の外に突出された第3熱境界物質部分を含み、
前記第1基板の上面から前記第3熱境界物質部分の最下端までの第5距離は、前記第1距離より大きい請求項2に記載の半導体パッケージ。 - 前記第1基板と前記第2半導体構造物との間に介在された第2アンダーフィル膜と、
前記第2アンダーフィル膜が前記第3側壁の外に突出された第2アンダーフィル突出部と、を含み、
前記第1熱境界物質部分は、前記第2アンダーフィル突出部と離隔される請求項4に記載の半導体パッケージ。 - 前記第2アンダーフィル突出部は、前記第1アンダーフィル突出部と接する請求項5に記載の半導体パッケージ。
- 前記第1基板の上面から前記第2アンダーフィル突出部の上端までの第6距離は、前記第1基板の上面から前記第2半導体構造物の上面までの第7距離の50%以下である請求項5に記載の半導体パッケージ。
- 前記第1半導体構造物と前記第2半導体構造物との間で提供されるギャップ領域をさらに含み、
前記ギャップ領域の上限は、前記第1半導体構造物又は前記第2半導体構造物の上面の中で低い高さに対応され、前記ギャップ領域の下限は、前記第1基板の上面に対応され、前記ギャップ領域の一側は、前記第1側壁に対応され、前記ギャップ領域の他側は、前記第3側壁に対応され、
前記ギャップ領域内に位置する前記第1熱境界物質部分、前記第1アンダーフィル突出部及び前記第2アンダーフィル突出部の体積の合計は、前記ギャップ領域の全体体積の90%以下である請求項5に記載の半導体パッケージ。 - 前記第1半導体構造物と前記第2半導体構造物との間で前記第1熱境界物質部分、前記第1アンダーフィル突出部、及び前記第2アンダーフィル突出部に占有されない空き空間が存在し、
前記空き空間の体積は、前記第1熱境界物質部分、前記第1アンダーフィル突出部、及び前記第2アンダーフィル突出部の体積の合計の10%以上である請求項5に記載の半導体パッケージ。 - 前記第1基板の下に配置される第2基板をさらに含み、
前記放熱部材は、前記第2基板に付着される請求項1に記載の半導体パッケージ。 - 前記放熱部材と前記第2基板との間に介在される接着膜をさらに含み、
前記接着膜は、前記熱境界物質膜と同一な物質を含む請求項10に記載の半導体パッケージ。 - 前記第1半導体構造物と前記第2半導体構造物は、各々独立に半導体チップ又はサブ半導体パッケージである請求項1に記載の半導体パッケージ。
- 前記第1熱境界物質部分の断面は、変曲点を有する請求項1に記載の半導体パッケージ。
- 前記第1半導体構造物の上面は、前記第2半導体構造物の上面より低く位置し、
前記変曲点は、前記第2半導体構造物より前記第1半導体構造物にさらに隣接する請求項13に記載の半導体パッケージ。 - 前記第1半導体構造物又は第2半導体構造物は、サブパッケージ基板とこの上に実装される少なくとも1つの半導体チップを含み、
前記熱境界物質膜は、前記半導体チップの上面と接する請求項1に記載の半導体パッケージ。 - 第1基板と、
前記第1基板上に実装される第1半導体構造物と、
前記第1基板上に実装され、前記第1半導体構造物と離隔される第2半導体構造物と、
前記第1半導体構造物、前記第2半導体構造物、及び前記第1基板を覆う放熱部材と、
前記第1半導体構造物と前記放熱部材との間、そして前記第2半導体構造物と前記放熱部材との間に介在される熱境界物質膜と、を含み、
前記第1半導体構造物は、前記第2半導体構造物に隣接する第1側壁と前記第1側壁とは反対側の第2側壁を有し、
前記熱境界物質膜は、前記第1側壁に隣接する第1熱境界物質部分と前記第2側壁に隣接する第2熱境界物質部分を含み、
前記第1熱境界物質部分は、前記第2熱境界物質部分より厚い半導体パッケージ。 - 前記第1基板と前記第1半導体構造物との間に介在された第1アンダーフィル膜と、
前記第1アンダーフィル膜が前記第1側壁の外に突出された第1アンダーフィル突出部と、を含み、
前記第1熱境界物質部分は、前記第1アンダーフィル突出部と離隔される請求項16に記載の半導体パッケージ。 - 前記第2半導体構造物は、前記第1半導体構造物に隣接する第3側壁を有し、
当該半導体パッケージは、
前記第1基板と前記第2半導体構造物との間に介在された第2アンダーフィル膜と、
前記第2アンダーフィル膜が前記第3側壁の外に突出された第2アンダーフィル突出部と、を含み、
前記第1熱境界物質部分は、前記第2アンダーフィル突出部と離隔される請求項17に記載の半導体パッケージ。 - パッケージ基板と、
前記パッケージ基板上に実装され、前記パッケージ基板の上面に対して平行である方向に互いに離隔される第1半導体構造物及び第2半導体構造物と、
前記第1半導体構造物、前記第2半導体構造物、及び前記パッケージ基板を覆う放熱部材と、
前記第1半導体構造物と前記放熱部材との間、そして前記第2半導体構造物と前記放熱部材との間に介在される熱境界物質膜と、を含み、
前記熱境界物質膜の厚さは、位置に応じて異なり、前記第1半導体構造物と前記第2半導体構造物との間で最も厚い半導体パッケージ。 - 前記パッケージ基板と前記第1半導体構造物との間、そして前記パッケージ基板と前記第2半導体構造物との間に介在されるインターポーザ基板と、
前記インターポーザ基板と前記第1半導体構造物との間に介在され、前記第1半導体構造物の側壁の外に突出される第1アンダーフィル膜と、
前記インターポーザ基板と前記第2半導体構造物との間に介在され、前記第2半導体構造物の側壁の外に突出される第2アンダーフィル膜と、をさらに含み、
前記熱境界物質膜は、前記第1アンダーフィル膜と前記第2アンダーフィル膜との全てから離隔される請求項19に記載の半導体パッケージ。
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