JP6261055B2 - 集積回路モジュール - Google Patents
集積回路モジュール Download PDFInfo
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- JP6261055B2 JP6261055B2 JP2015552768A JP2015552768A JP6261055B2 JP 6261055 B2 JP6261055 B2 JP 6261055B2 JP 2015552768 A JP2015552768 A JP 2015552768A JP 2015552768 A JP2015552768 A JP 2015552768A JP 6261055 B2 JP6261055 B2 JP 6261055B2
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- 230000002093 peripheral effect Effects 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 22
- 229910000679 solder Inorganic materials 0.000 claims description 12
- 239000003566 sealing material Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims 3
- 230000009977 dual effect Effects 0.000 description 18
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Description
Claims (20)
- 集積回路(IC)装置であって、
第1の平面に実質的に置かれる概して平坦なダイ取り付けパッド(DAP)と、
前記第1の平面より上であり前記第1の平面に平行な第2の平面に実質的に置かれる概して平坦なリードバーであって、前記リードバーから突出し、且つ、前記第1の平面において実質的に終端する、少なくとも1つの下方及び外方に延びる、リードバーリードを有する、前記リードバーと、
頂部リードフレームであって、前記第2の平面より上であり前記第2の平面に平行な第3の平面に実質的に置かれる複数の概して平坦なコンタクトパッドと、前記コンタクトパッドの一部に接続される基部端部を有し、且つ、前記第1の平面において実質的に終端する下方及び外方に延びる末部端を有する、複数のリードとを含む、前記頂部リードフレームと、
前記頂部リードフレームの前記複数のコンタクトパッドの少なくとも幾つかに接続される複数の電気的コンタクトと、前記DAPに取り付けられる表面とを含むICダイと、
前記DAPと前記リードバーと前記頂部リードフレームと前記ICダイとの少なくともの一部を封止する封止材料と、
を含む、装置。 - 請求項1に記載の装置であって、
前記ICダイが、前記頂部リードフレームの前記複数のコンタクトパッドの幾つかに動作可能に電気的に接続される、複数のはんだバンプをその上に備える第1の側と、前記DAPに接続される前記表面を含む、前記第1の側とは反対の第2の側とを有する、フリップチップを含む、装置。 - 請求項1に記載の装置であって、
前記頂部リードフレームが、前記複数のコンタクトパッドの少なくとも1つに接続される基部端と、前記DAPに接続される末部端とを有する少なくとも1つのリードを含む、装置。 - 請求項1に記載の装置であって、
前記リードバーが前記頂部リードフレームに接続される、装置。 - 請求項1に記載の装置であって、
前記頂部リードフレーム上の前記コンタクトパッドの少なくとも1つに電気的及び物理的に接続される少なくとも1つの受動構成要素を更に含む、装置。 - 請求項1に記載の装置であって、
前記封止材料が、概して平坦な頂部面と底部面と側面とを備える概して矩形の箱形状を有し、前記DAPの底部表面が前記底部表面において露出され、前記頂部リードフレームの前記複数のリードの前記末部端と、前記少なくとも1つの下方及び外方に延びるリードバーリードの末部端とが、前記封止材料の前記底部面と前記側面とにおいて露出される、装置。 - 請求項6に記載の装置であって、
前記DAPの前記露出された底部表面が、前記封止材料の前記底部面と実質的に同一面にあり、前記頂部リードフレームの前記複数のリードの前記末部端と前記リードバーリードの前記末部端との前記露出された表面が、前記封止材料の前記底部面と前記側面と実質的に同一面にある、装置。 - 底部リードフレームと頂部リードフレームとを含む集積回路(IC)装置であって、
前記底部リードフレームが、
第1の平面に実質的に置かれる概して平坦な周辺フレーム部と、
前記周辺フレーム部により周囲を囲まれ、前記第1の平面に実質的に置かれる、概して平坦なダイ取り付けパッド(DAP)部と、
前記周辺フレーム部に接続される第1の端部と前記周辺フレーム部から上方及び内方に配置される第2の端部とを有する、少なくとも1つの底部リードフレームリード部と、
を含み、
前記頂部リードフレームが、
前記第1の平面に平行であって前記第1の平面の上の第2の平面に実質的に置かれる複数の概して平坦なコンタクトパッド部と、
前記コンタクトパッドに接続される基部端と前記底部リードフレームの前記周辺フレーム部に接続される末部端とを有する、複数の下方及び外方に延びる頂部リードフレーム周辺リード部と、
を含み、
前記底部リードフレームリード部の前記第2の端部が前記頂部リードフレームに接続される、装置。 - 請求項8に記載の装置であって、
前記頂部リードフレーム周辺リード部の前記末部端が、一体的に形成されるコネクタエクステンションを含み、前記周辺フレーム部が、前記コンタクトパッド部から所定の距離で前記頂部リードフレーム周辺リード部の前記コネクタエクステンションに入れ子にされる、装置。 - 集積回路(IC)装置をつくる方法であって、
一体的に接続される複数の頂部リードフレームを含む頂部リードフレームストリップを提供することと、
前記頂部リードフレーム上に複数のフリップチップダイを搭載することであって、各フリップチップのはんだバンプが前記頂部リードフレームの各々上の所定のパッド部にボンディングされる、前記搭載することと、
一体的に接続される複数の底部リードフレームを含む底部リードフレームストリップを提供することであって、前記複数の底部リードフレームの各々が中央ダイ取り付けパッド(DAP)部と周辺フレーム部とを有する、前記提供することと、
前記頂部リードフレームストリップを前記底部リードフレームストリップに取り付けることであって、各フリップチップダイの裏面が各底部リードフレームの前記DAP部に接し、各頂部リードフレームのリード部が各底部リードフレームの前記周辺フレーム部に取り付けられる、前記取り付けることと、
を含む、方法。 - 請求項10に記載の方法であって、
前記フリップチップダイと、各頂部及び底部リードフレームストリップの少なくとも一部とをモールド化合物に封止することを更に含む方法。 - 請求項11に記載の方法であって、
各底部リードフレームストリップの前記周辺フレーム部と、それに取り付けられる前記頂部リードフレームストリップの前記頂部リードフレームの一部とを切断して取り除くことを更に含む、方法。 - 請求項12に記載の方法であって、
前記切断して取り除くことが、前記封止されたフリップチップダイと頂部及び底部リードフレームストリップとを複数のICパッケージにシンギュレートすることを含み、前記複数のICパッケージの各々が、露出されたダイパッド表面と、前記モールド化合物の側面の切断された表面と前記モールド化合物の前記底部面と同一面にある複数の露出されたリード表面とを有する、方法。 - 請求項10に記載の方法であって、
前記複数の頂部リードフレームの各々の上に少なくとも1つの受動回路構成要素を搭載することを更に含む、方法。 - 請求項10に記載の方法であって、
前記取り付けることが、各頂部リードフレーム上のリードを各底部リードフレーム上のDAPにはんだボンディングすることを含む、前記頂部リードフレームストリップを前記底部リードフレームストリップにはんだボンディングすることを含む、方法。 - 請求項15に記載の方法であって、
前記頂部及び底部リードフレームストリップを複数のICモジュールにシンギュレートすることを更に含み、前記シンギュレートすることが、前記底部リードフレームと一体的に形成された少なくとも1つのリードと前記頂部リードフレームと一体的に形成された少なくとも1つのリードとの断面部を露出させるような方式である、方法。 - 請求項10に記載の方法であって、
底部リードフレームストリップを前記提供することが、一体的に接続される複数の底部リードフレームを提供することを含み、前記複数の底部リードフレームの各々が、中央ダイ取り付けパッド(DAP)と周辺フレームアッセンブリとを有し、前記周辺フレームアッセンブリが、前記DAPの周りにあり、前記DAPと、前記DAPを前記周辺フレーム部に取り付けるDAPタイ部材と、実質的に同一平面関係にある、概して矩形の構成に配される、方法。 - 請求項17に記載の方法であって、
前記底部リードフレームストリップを提供することが、一体的に接続される複数の底部リードフレームを提供することを含み、前記複数の底部リードフレームの各々が、前記DAPと前記周辺フレーム部の上の平面に実質的に位置する概して平坦なリードバーと、そこから突出し、前記周辺フレーム部に取り付けられる、少なくとも1つのリードバーリードとを有する、方法。 - 請求項10に記載の方法であって、
前記頂部リードフレームストリップを前記底部リードフレームストリップに取り付けることが、前記底部リードフレームストリップの各底部リードフレームの上の前記周辺フレーム部を、前記頂部リードフレームストリップの各頂部リードフレーム上のリードの端部と、入れ子となるようにはんだにより連結させることを含む、方法。 - 請求項19に記載の方法であって、
入れ子及びはんだ連結の地点の内方に配置されるソーストリートに沿って前記取り付けられた頂部及び底部リードフレームストリップをシンギュレートすることを更に含む、方法。
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