JP5069744B2 - 積層型パッケージ、及び、積層型パッケージの形成方法 - Google Patents
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Description
Muhannad S. Bakir, James D. Meindl,"Fully Compatible Low Cost Electrical, Optical, and Fluidic I/O Interconnect Networks for Unimate Performance 3D Gigascale Systems",3D−SIC 2007,pp.13−1〜13−21,March,2007
本発明による積層型パッケージ、及び、積層型パッケージの形成方法の各実施形態の説明に先立ち、積層型パッケージの端子形成や、積層型パッケージ要素間(層間)の配線形成に用いる配線形成装置について説明する。なお、以下の説明においては、積層型パッケージは3次元半導体チップモジュール(LSIモジュール)であり、積層型パッケージ要素は半導体チップ(LSI)であるとする。
次に、各実施形態にほぼ共通的な3次元半導体チップモジュールの製造プロセスを、図5を参照しながら説明する。以下の説明で、半導体チップの端子形成プロセスや、半導体チップモジュールの半導体チップ間(層間)の配線形成プロセスの、3次元半導体チップモジュールの製造プロセスにおける位置(順番)を明らかにする。
次に、半導体チップに接続用端子を形成するプロセスの詳細を、図7のフローチャートを用いて説明する。
次に、半導体チップモジュールの半導体チップ間(層間)の配線を形成するプロセスの詳細を、図9のフローチャートを用いて説明する。
次に、本発明による積層型パッケージ、及び、積層型パッケージの形成方法の第1の実施形態(3次元半導体チップモジュール、及び、3次元半導体チップモジュールの形成方法)を、図面を参照しながら詳述する。
次に、本発明による積層型パッケージ、及び、積層型パッケージの形成方法の第2の実施形態(3次元半導体チップモジュール、及び、3次元半導体チップモジュールの形成方法)を、図面を参照しながら詳述する。
次に、本発明による積層型パッケージ、及び、積層型パッケージの形成方法の第3の実施形態(3次元半導体チップモジュール、及び、3次元半導体チップモジュールの形成方法)を、図面を参照しながら詳述する。
次に、本発明による積層型パッケージ、及び、積層型パッケージの形成方法の第4の実施形態(3次元半導体チップモジュール、及び、3次元半導体チップモジュールの形成方法)を、図面を参照しながら詳述する。
次に、本発明による積層型パッケージ、及び、積層型パッケージの形成方法の第5の実施形態(3次元半導体チップモジュール、及び、3次元半導体チップモジュールの形成方法)を、図面を参照しながら詳述する。
次に、本発明による積層型パッケージ、及び、積層型パッケージの形成方法の第6の実施形態(3次元半導体チップモジュール、及び、3次元半導体チップモジュールの形成方法)を、図面を参照しながら詳述する。
次に、本発明による積層型パッケージ、及び、積層型パッケージの形成方法の第7の実施形態(3次元半導体チップモジュール、及び、3次元半導体チップモジュールの形成方法)を、図面を参照しながら詳述する。
上記各実施形態においては、半導体チップモジュールにおける半導体チップの積層数が3層又は5層のものを示したが、積層数はこれに限定されるものではない。
Claims (4)
- 表面に設けられている回路パターンと連結する接続用端子が側面に設けられている、積層される複数の積層型パッケージ要素と、
上記各積層型パッケージ要素における側面の接続用端子を配線パターンによって相互に接続する層間配線と、
上記積層型パッケージ要素の少なくとも一部の層間に、しかも、上記層間配線の形成面を確保するように形成された、放熱の寄与する形成空間とを有し、
上記形成空間は、各層の上記積層型パッケージ要素を、所定方向について、位置をずらせて積層させることにより、位置ずれ空間として形成されたものであり、
各層の上記積層型パッケージ要素の位置ずれがない他の方向の側面が、上記層間配線の形成面に含まれている
ことを特徴とする積層型パッケージ。 - 表面に設けられている回路パターンと連結する接続用端子が側面に設けられている、積層される複数の積層型パッケージ要素と、
上記各積層型パッケージ要素における側面の接続用端子を配線パターンによって相互に接続する層間配線と、
上記積層型パッケージ要素の少なくとも一部の層間に、しかも、上記層間配線の形成面を確保するように形成された、放熱の寄与する形成空間とを有し、
少なくとも一部の層の上記積層型パッケージ要素の数が複数であり、同一層の複数の上記積層型パッケージ要素が間隙をおいて配置されることにより、上記形成空間が形成されたものであり、
複数の上記積層型パッケージ要素を有する層については、上記各積層型パッケージ要素の少なくとも一部の側面が、上記層間配線の形成面に含まれている
ことを特徴とする積層型パッケージ。 - 複数の積層型パッケージ要素を結合した積層型パッケージの形成方法において、
上記各積層型パッケージ要素に対し、表面に設けられている回路パターンと連結する、少なくとも表面から側面へ至る接続用端子を形成する第1の工程と、
接続用端子が形成された複数の上記積層型パッケージ要素を重ね合わせて結合すると共に、上記積層型パッケージ要素の少なくとも一部の層間に、しかも、層間配線の形成面を確保するように、放熱に寄与する空間を形成する第2の工程と、
結合された上記各積層型パッケージ要素における側面の接続用端子を、導電材をミスト状にして吹きかけると共に、吹きかける位置を移動させることを適用して形成される層間配線のパターンによって相互に接続する第3の工程とを含み、
上記第2の工程で形成される放熱に寄与する上記空間は、各層の上記積層型パッケージ要素を、所定方向について、位置をずらせて積層させることにより、位置ずれ空間として形成されたものであり、
各層の上記積層型パッケージ要素の位置ずれがない他の方向の側面が、上記第3の工程によって上記層間配線が形成される面に含まれている
ことを特徴とする積層型パッケージの形成方法。 - 複数の積層型パッケージ要素を結合した積層型パッケージの形成方法において、
上記各積層型パッケージ要素に対し、表面に設けられている回路パターンと連結する、少なくとも表面から側面へ至る接続用端子を形成する第1の工程と、
接続用端子が形成された複数の上記積層型パッケージ要素を重ね合わせて結合すると共に、上記積層型パッケージ要素の少なくとも一部の層間に、しかも、層間配線の形成面を確保するように、放熱に寄与する空間を形成する第2の工程と、
結合された上記各積層型パッケージ要素における側面の接続用端子を、導電材をミスト状にして吹きかけると共に、吹きかける位置を移動させることを適用して形成される層間配線のパターンによって相互に接続する第3の工程とを含み、
少なくとも一部の層の上記積層型パッケージ要素の数が複数であり、上記第2の工程で、同一層の複数の上記積層型パッケージ要素を間隙をおいて配置することにより、放熱に寄与する上記空間が形成され、
複数の上記積層型パッケージ要素を有する層については、上記各積層型パッケージ要素の少なくとも一部の側面が、上記第3の工程によって上記層間配線が形成される面に含まれている
ことを特徴とする積層型パッケージの形成方法。
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