JP2022512312A - コンパクトな受動素子構成を有する回路基板 - Google Patents
コンパクトな受動素子構成を有する回路基板 Download PDFInfo
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Abstract
Description
値a=1.6ミリメートル、b=0.8ミリメートル、x1=0.8ミリメートル、r=6、c=2、n=12を式(1)に代入すると、35.2平方ミリメートルの破線ボックス150の領域Aが得られる。
式(2)は、x1をx2に置き換えることで式(1)を修正することによって得られる。比較のために、受動素子グループ233aについて、r=6、c=2、n=12、a=1.6ミリメートル、b=0.8ミリメートル、x2=0.1ミリメートルであると想定する。これらの値を式(2)に代入すると、受動素子グループ233aの領域A2は17.49平方ミリメートルとなり、従来のA1の35.2平方ミリメートルよりも著しい減少である。
dは、成形受動グループを個片化するために使用される切断ブレードのダイシングカーフ幅である。dの典型的な値は、0.040~0.050ミリメートルである。境界270の幅t(及び、t=2(x2-d)によって与えられる)は、0.11ミリメートルのオーダーで非常に小さくてもよく(dについて0.045ミリメートルの中間値の場合)、又は、所望であれば更に小さくすることができると予想される。幅tは、以下に説明するシンギュレーション(個片化)に使用される精度及び技術に依存することを理解されたい。値d=0.045ミリメートル、a=1.6ミリメートル、b=0.8ミリメートル、x2=0.1ミリメートル、c=2、r=6を式(3)に代入すると、4.789平方ミリメートルの領域Aborderが得られる。よって、受動素子グループ233aが占める総領域は、A2+Aborderすなわち22.28平方ミリメートルである。ここで、受動素子グループ233a,233b,233c,233d,233e,233f,233g,233hは、8以外の数であってもよく、異なる数の受動素子235を有してもよいことを理解されたい。或るグループが2つの受動素子を有してもよく、別のグループが6つの受動素子を有してもよい等である。式(2)及び式(3)は、受動素子235の対称配置に対して有効であり、すなわち、各列における同一の数の受動素子、及び、素子235と対称境界領域270との間の等しい間隔に対して有効である。もちろん、非対称配置について領域A2及びAborderを容易に計算することができる。
Claims (20)
- 製造する方法であって、
第1の複数の受動素子(235)を成形材料(240)に少なくとも部分的に封入して、第1の成形受動素子グループ(233a)を生成することと、
前記第1の成形受動素子グループを回路基板(210)の表面に実装し、前記第1の複数の受動素子を前記回路基板に電気的に接続することと、を含む、
製造方法。 - 少なくとも1つの半導体チップ(205)を前記回路基板の前記表面に実装することを含む、
請求項1の製造方法。 - 前記回路基板に実装する前に、前記第1の複数の受動素子の電極(249a,249b)を露出させることを含む、
請求項1の製造方法。 - 第2の複数の受動素子を前記成形材料に少なくとも部分的に封入して、第2の成形受動素子グループ(233b)を生成することを含む、
請求項1の製造方法。 - 前記第2の成形受動素子グループから前記第1の成形受動素子グループを個片化することを含む、
請求項4の製造方法。 - 前記少なくとも部分的に封入することは、前記第1の複数の受動素子(235)をキャリア基板(511)に取り外し可能に実装することと、前記第1の複数の受動素子を成形することと、前記キャリア基板を除去することと、を含む、
請求項1の製造方法。 - 前記取り外し可能に実装することは、前記第1の複数の受動素子を、前記キャリア基板に配置されたキャリアテープ(513)に実装することを含む、
請求項6の製造方法。 - 前記少なくとも部分的に封入することは、圧縮成形することを含む、
請求項1の製造方法。 - 受動素子(235)の複数のグループを成形材料(240)に少なくとも部分的に封入し、成形受動素子グループを個片化することによって、複数の成形受動素子グループ(233a,233b)を製造することと、
前記成形受動素子グループを半導体チップパッケージ基板(210)の表面に実装し、前記受動素子を前記半導体チップパッケージ基板に電気的に接続することと、を含む、
製造方法。 - 少なくとも1つの半導体チップ(205)を前記半導体チップパッケージ基板の前記表面に実装することを含む、
請求項9の製造方法。 - 前記半導体チップパッケージ基板に実装する前に、前記受動素子の電極(249a,249b)を露出させることを含む、
請求項9の製造方法。 - 前記少なくとも部分的に封入することは、前記受動素子のグループをキャリア基板に取り外し可能に実装することと、前記受動素子のグループを成形することと、前記キャリア基板を除去することと、を含む、
請求項9の製造方法。 - 前記取り外し可能に実装することは、前記第1の複数の受動素子を、前記キャリア基板に配置されたキャリアテープ(513)に実装することを含む、
請求項12の製造方法。 - 前記半導体パッケージ基板は、メモリインタフェース領域内に複数の導体トレースを含み、前記製造方法は、前記成形受動素子グループを前記メモリインタフェース領域の外側に実装することを含む、
請求項9の製造方法。 - 表面を有する回路基板(210)と、
前記回路基板の前記表面に実装され、前記回路基板に電気的に接続された少なくとも1つの成形受動素子グループ(233a)と、を備え、
前記少なくとも1つの成形受動素子グループは、それぞれ上面及び成形材料(240)を有する第1の複数の受動素子(235)を備え、前記成形材料は、互いに接合され、前記第1の複数の受動素子の前記上面を覆う、
装置。 - 前記回路基板に実装された少なくとも1つの半導体チップ(205)を備える、
請求項15の装置。 - 前記受動素子は、前記成形材料によって封入されていない表面を有する電極を備える、
請求項15の装置。 - 前記回路基板は、メモリインタフェース領域内に複数の導体トレース(246)を備え、前記少なくとも1つの成形受動素子グループは、前記メモリインタフェース領域の外側に配置されている、
請求項15の装置。 - 前記回路基板に実装された複数の半導体チップを備える、
請求項15の装置。 - 前記回路基板は、半導体チップパッケージ基板を備える、
請求項15の装置。
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US16/213,347 US11495588B2 (en) | 2018-12-07 | 2018-12-07 | Circuit board with compact passive component arrangement |
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PCT/US2019/058459 WO2020117406A1 (en) | 2018-12-07 | 2019-10-29 | Circuit board with compact passive component arrangement |
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