JP2018067575A - 半導体装置および配線基板の設計方法 - Google Patents
半導体装置および配線基板の設計方法 Download PDFInfo
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- JP2018067575A JP2018067575A JP2016203694A JP2016203694A JP2018067575A JP 2018067575 A JP2018067575 A JP 2018067575A JP 2016203694 A JP2016203694 A JP 2016203694A JP 2016203694 A JP2016203694 A JP 2016203694A JP 2018067575 A JP2018067575 A JP 2018067575A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 176
- 238000000034 method Methods 0.000 title claims description 12
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- 229910000679 solder Inorganic materials 0.000 abstract description 49
- 230000035882 stress Effects 0.000 description 34
- 230000008646 thermal stress Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- 238000007306 functionalization reaction Methods 0.000 description 1
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- 239000000047 product Substances 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
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- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
- H01L23/49816—Spherical bumps on the substrate for external connection, e.g. ball grid arrays [BGA]
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- G06F30/39—Circuit design at the physical level
- G06F30/392—Floor-planning or layout, e.g. partitioning or placement
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Abstract
Description
10A 第1の半導体チップ
10B 第2の半導体チップ
10C 第3の半導体チップ
20 配線基板
21 基体
24 接続配線
30 半田バンプ
A1 第1の領域
A2 第2の領域
A3 第3の領域
B1 応力集中領域
C1 配線配置禁止領域
L1 第1の配線層
L2 第2の配線層
L3 第3の配線層
L4 第4の配線層
Claims (10)
- 半導体チップと、
前記半導体チップが搭載される側の第1の面および前記第1の面とは反対側の第2の面を備えると共に、前記半導体チップが搭載される第1の領域および前記第1の領域から離間した第2の領域を備える基体と、
前記基体の前記第2の面上に設けられた導電部材と、
前記導電部材を覆うように前記基体の前記第2の面に設けられ且つ前記導電部材の前記第2の領域に配置された部分を部分的に露出させる開口部を備えた保護部材と、
前記開口部を介して前記導電部材に接続された外部接続端子と、
を備え、
前記保護部材は、前記第1の領域の外縁に対応する部分において前記基体と接している
半導体装置。 - 前記基体の前記第1の面の側の前記第1の領域とは異なる領域に前記半導体チップとは別の半導体チップが搭載されている
請求項1に記載の半導体装置。 - 前記保護部材は、前記第2の領域に対応する領域にのみ前記開口部を有する
請求項1または請求項2に記載の半導体装置。 - 前記導電部材は、
前記第2の領域に対応する前記第2の面上に形成されると共に前記外部接続端子に接続された第1の導電部材と、
前記第1の領域に対応する前記第2の面上に形成されると共に前記第1の導電部材に電気的に接続された第2の導電部材と、
を備える
請求項1から請求項3のいずれか1項に記載の半導体装置。 - 第1の半導体チップと、
第1の面および前記第1の面とは反対側の第2の面を有し、前記第1の面の側に前記第1の半導体チップが搭載され且つ前記第2の面上を配線層の1つとして含む複数の配線層の各々に配線を有する配線基板と、
前記配線基板の前記第1の半導体チップが搭載された第1の領域から離間した第2の領域内において、前記第2の面上に配置された配線に接続された外部接続端子と、
を含み、
前記配線基板は、前記第1の半導体チップの外縁に対応する領域を通過する第1の配線を含み、前記第1の配線の、前記第1の半導体チップの外縁に対応する領域内に延在する部分が、前記複数の配線層のうちの前記第2の面上以外の配線層に設けられている
半導体装置。 - 前記配線基板の前記第1の領域の外側において前記第1の面の側に搭載された第2の半導体チップを更に含み、
前記第1の配線は、前記第2の半導体チップに接続されている
請求項5に記載の半導体装置。 - 前記配線基板の前記第1の領域の外側において、前記第1の面の側に搭載され且つ前記第2の半導体チップとの間に前記第1の半導体チップを挟むように設けられた第3の半導体チップを更に含み、
前記第1の配線は、前記第3の半導体チップに接続されている
請求項6に記載の半導体装置。 - 前記第2の領域は、前記第1の領域との間に間隙を隔てて前記第1の領域を囲む領域であり、前記第2の領域内に複数の外部接続端子が、前記第1の半導体チップの外周を囲むように設けられている
請求項5から請求項7のいずれか1項に記載の半導体装置。 - 第1の面および前記第1の面とは反対側の第2の面を有し、前記第1の面の側に半導体チップが搭載され、前記第2の面の側に外部接続端子が設けられ、且つ前記第2の面上を配線層の1つとして含む複数の配線層の各々に配線を有する配線基板の設計方法であって、
前記半導体チップが搭載されるチップ搭載領域を定める第1のステップと、
前記外部接続端子の配置領域を、前記チップ搭載領域から離間した領域内に定める第2のステップと、
前記チップ搭載領域の外縁に対応する領域を特定領域として定める第3のステップと、
前記複数の配線層の各々に配線を配置する第4のステップと、
を含み、
前記第4のステップにおいて、前記特定領域を通過する配線の、前記特定領域に延在する部分を、前記複数の配線層のうちの前記第2の面上以外の配線層に配置する
設計方法。 - 前記第1のステップにおいて、複数の半導体チップの各々が搭載される複数のチップ搭載領域を設定し、
前記第2のステップにおいて、前記複数のチップ搭載領域の各々の外縁に対応する領域のうち、前記外部接続端子の配置領域以外の領域を前記特定領域として定める
請求項9に記載の設計方法。
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