JP6815880B2 - 半導体パッケージの製造方法 - Google Patents
半導体パッケージの製造方法 Download PDFInfo
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- JP6815880B2 JP6815880B2 JP2017011165A JP2017011165A JP6815880B2 JP 6815880 B2 JP6815880 B2 JP 6815880B2 JP 2017011165 A JP2017011165 A JP 2017011165A JP 2017011165 A JP2017011165 A JP 2017011165A JP 6815880 B2 JP6815880 B2 JP 6815880B2
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Description
以下、図2から図5を参照して、第1の実施の形態の半導体パッケージの製造方法について説明する。図2は、第1の実施の形態の配線基板の斜視図である。図3及び図4は、第1の実施の形態の半導体パッケージの製造方法の説明図である。図5は、第1の実施の形態の半導体パッケージの製造方法の変形例を示す図である。なお、図3Aは配線基板準備工程、図3Bはチップマウント工程、図3Cは封止基板形成工程のそれぞれ一例を示す図である。図4Aは研削工程、図4Bは個片化工程、図4Cは上面シールド層形成工程のそれぞれ一例を示す図である。
図6から図8を参照して、第2の実施の形態の半導体パッケージの製造方法について説明する。図6及び図7は、第2の実施の形態の半導体パッケージの製造方法の説明図である。図8は、第2の実施の形態の半導体パッケージの製造方法の変形例を示す図である。なお、図6Aは配線基板準備工程、図6Bはチップマウント工程、図6Cは封止基板形成工程のそれぞれ一例を示す図である。図7Aは切削工程、図7Bは個片化工程、図7Cは上面シールド層形成工程のそれぞれ一例を示す図である。なお、第2の実施の形態では、第1の実施の形態と同様な構成について極力省略して説明する。
図9を参照して、第3の実施の形態の半導体パッケージの製造方法について説明する。なお、第3の実施の形態の半導体パッケージの製造方法は、配線基板準備工程についてのみ第1、第2の実施の形態の半導体パッケージの製造方法と相違する。したがって、ここでは第3の実施の形態の配線基板準備工程について説明する。図9は、第3の実施の形態の配線基板準備工程の一例を示す図である。
図10を参照して、第4の実施の形態の半導体パッケージの製造方法について説明する。なお、第4の実施の形態の半導体パッケージの製造方法は、配線基板準備工程についてのみ第1、第2の実施の形態の半導体パッケージの製造方法と相違する。したがって、ここでは配線基板準備工程について主に説明する。図10は、第4の実施の形態の配線基板準備工程の一例を示す図である。なお、図10A及び図10Bはシーリング工程、図10Cは立設囲繞部形成工程のそれぞれ一例を示す図である。図11は、第4の実施の形態の封止基板形成工程の一例を示す図である。
図12を参照して、第5の実施の形態の半導体パッケージの製造方法について説明する。なお、第5の実施の形態の半導体パッケージの製造方法は、配線基板準備工程についてのみ第1、第2の実施の形態の半導体パッケージの製造方法と相違する。したがって、ここでは配線基板準備工程について主に説明する。図12は、第5の実施の形態の配線基板準備工程の一例を示す図である。なお、図12A及び図12Bは配設工程、図12Cは立設囲繞部形成工程のそれぞれ一例を示す図である。図13は、第5の実施の形態の封止基板形成工程の一例を示す図である。
11、41、71、81、101 配線基板(PCB)
12、42、78、89、109 半導体チップ
13、43 樹脂層(封止樹脂)
15、45、92、112 封止基板
16、46、91、111 封止樹脂
17、47、77、88、108 側面シールド層
18、48 上面シールド層
21、51、75、87、107 立設囲繞部
22 分割予定ライン
23、53、73、83、103 マウント部
74 絶縁フィルム
76、86、106 導電材
84、104 導電剤
85、105 開口インターポーザ
Claims (6)
- 封止樹脂により半導体チップが封止された半導体パッケージを作成する半導体パッケージの製造方法であって、
配線基板の上面に交差する分割予定ラインによって区画された各領域に形成され半導体チップを上面にマウントする複数のマウント部と、複数の該マウント部と該分割予定ラインとの間に各該マウント部を囲繞して形成された立設囲繞部と、該立設囲繞部内で該マウント部を囲繞し厚み方向に渡って電磁波を遮断する側面シールド層と、を備えた該配線基板を準備する配線基板準備工程と、
該配線基板上の該マウント部に複数の半導体チップをマウントするチップマウント工程と、
該半導体チップがマウントされた該配線基板の該立設囲繞部の内側に封止樹脂を供給して該半導体チップを封止樹脂で封止して封止基板を形成する封止基板形成工程と、
該封止基板形成工程を実施した後に、該分割予定ラインに沿って該封止基板を分割して個々の半導体パッケージに個片化する個片化工程と、
該封止基板形成工程を実施した後に、複数の該半導体パッケージの封止樹脂上面に電磁波を遮断する上面シールド層を形成する上面シールド層形成工程と、を備え、
該立設囲繞部の内周面は、該マウント部に向かって開口面積が徐々に狭くなるように形成されていることを特徴とする半導体パッケージの製造方法。 - 該封止基板形成工程を実施した後で且つ該上面シールド層形成工程を実施する前に、該封止樹脂の表面を平坦化するとともに該立設囲繞部上面に供給された封止樹脂を除去し、
該立設囲繞部内に形成された該側面シールド層の先端を該立設囲繞部上面に表出させる除去工程を実施する、請求項1記載の半導体パッケージの製造方法。 - 該封止基板形成工程を実施した後に、該立設囲繞部上面に供給された封止樹脂を該側面シールド層に沿って除去し、該立設囲繞部内に形成された該側面シールド層の先端を表出させる除去工程を備える請求項1記載の半導体パッケージの製造方法。
- 該配線基板準備工程は、
該配線基板上に、あらかじめ該マウント部に該半導体チップをマウントするための開口が形成されると共に該開口を囲繞する導電材が充填された複数の絶縁フィルムを積層ラミネートして該立設囲繞部及び該側面シールド層を形成すること、を特徴とする請求項1乃至3に記載の半導体パッケージの製造方法。 - 該配線基板準備工程は、
該配線基板上の複数の該マウント部をそれぞれ囲繞して導電性のシーリング剤でシーリングするシーリング工程と、
各該マウント部に該半導体チップをマウントするための開口を複数有し、該開口を囲繞する導電材を含む開口インターポーザを、該開口を該配線基板の該マウント部にそれぞれ対応させて位置付けて該導電性のシーリング剤で接着して該立設囲繞部及び該側面シールド層を形成する立設囲繞部形成工程と、から構成され、
該封止基板形成工程においては、該半導体チップがマウントされた該配線基板、該開口インターポーザ、該導電性のシーリング剤の間を封止樹脂で封止して該封止基板を形成すること、を特徴とする請求項1乃至3記載の半導体パッケージの製造方法。 - 該配線基板準備工程は、
該配線基板上の複数のマウント部をそれぞれ囲繞して導電性のシーリング剤を間隔をあけて配設する配設工程と、
各該マウント部に該半導体チップをマウントするための開口を複数有し、該開口を囲繞する導電材を含む開口インターポーザを、該開口を該配線基板の該マウント部にそれぞれ対応させて位置付けて該導電性のシーリング剤で接着して該立設囲繞部及び該側面シールド層を形成する立設囲繞部形成工程と、から構成され、該導電性のシーリング剤の間隔は、該電磁波の波長よりも狭くして電磁波を遮断し、
該封止基板形成工程においては、該半導体チップがマウントされた該配線基板、該開口インターポーザ、複数の該導電性のシーリング剤の間を封止樹脂で封止して該封止基板を形成すること、を特徴とする請求項1乃至3記載の半導体パッケージの製造方法。
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US10431555B2 (en) | 2019-10-01 |
CN108364933A (zh) | 2018-08-03 |
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