JP7338114B2 - パッケージ基板及びその製造方法 - Google Patents
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- 238000005530 etching Methods 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
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- 229920001187 thermosetting polymer Polymers 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 1
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- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H01L2224/732—Location after the connecting process
- H01L2224/73201—Location after the connecting process on the same surface
- H01L2224/73203—Bump and layer connectors
- H01L2224/73204—Bump and layer connectors the bump connector being embedded into the layer connector
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Description
Claims (22)
- 互いに反対に位置する第1及び第2面を有し、前記第1及び第2面を連結するキャビティを含み、少なくとも前記第1面から突出した部分を有する配線構造を備えた支持部材と、
前記支持部材の第1面に配置され、前記配線構造の突出した部分と実質的に平坦な共面を有する平坦化層と、
前記平坦化層上に配置されて前記配線構造と連結され、前記キャビティと重なった領域に位置するコンタクト部分を有する伝導性トレースと、
前記伝導性トレースを覆うように前記支持部材の第1面に配置され、前記伝導性トレースと連結された再配線層を有する連結部材と、を含み、
前記伝導性トレースは、前記配線構造の前記突出した部分と接続される第1金属層と、前記第1金属層上に配置された第2金属層と、を有する、パッケージ基板。 - 前記伝導性トレースのコンタクト部分は、前記第1金属層の部分のない前記第2金属層で提供され、前記伝導性トレースの他の領域に比べて凹陥した構造を有する、請求項1に記載のパッケージ基板。
- 前記再配線層は、再配線パターンと、前記再配線パターンと前記伝導性トレースとを連結する再配線ビアと、を含む、請求項1または2に記載のパッケージ基板。
- 前記キャビティの内部側壁及び前記支持部材の第2面に配置された絶縁樹脂層をさらに含む、請求項1から3のいずれか一項に記載のパッケージ基板。
- 前記絶縁樹脂層において前記支持部材の第2面に位置する領域は、実質的に平坦な表面を有する、請求項4に記載のパッケージ基板。
- 前記絶縁樹脂層において前記支持部材の第2面に位置する領域上に配置され、前記支持部材の前記配線構造に連結される上部配線層をさらに含む、請求項4または5に記載のパッケージ基板。
- 前記配線構造は、前記支持部材の第2面から突出した表面を有し、
前記支持部材の第2面に配置され、前記配線構造の突出した表面と実質的に平坦な共面を有するさらなる平坦化層をさらに含む、請求項1に記載のパッケージ基板。 - 互いに反対に位置する第1及び第2面を有し、前記第1及び第2面を連結するキャビティを含み、前記第1及び第2面からそれぞれ突出した第1及び第2配線パターンを有する配線構造を備えた支持部材と、
前記支持部材の第1及び第2面にそれぞれ配置され、前記配線構造の突出した第1及び第2配線パターンと実質的に平坦な共面を有する第1及び第2平坦化層と、
前記第1平坦化層上に配置されて前記第1配線パターンと連結され、前記キャビティと重なった領域に位置するコンタクト部分を有する伝導性トレースと、
前記伝導性トレースを覆うように前記支持部材の第1面上に配置された絶縁部材、及び前記絶縁部材に配置されて前記伝導性トレースと連結された再配線層を有する連結部材と、
前記キャビティの内部側壁の少なくとも一部領域、及び前記第2配線パターンが露出するように前記支持部材の第2面上に配置され、キャビティ構造を有する絶縁樹脂層と、を含むパッケージ基板。 - 前記配線構造は、前記支持部材を貫通して前記第1及び第2配線パターンを連結する貫通ビアを含む、請求項8に記載のパッケージ基板。
- 前記貫通ビアは、前記第1及び第2配線パターンと接続される面積に比べて小さい幅の中間領域を有する、請求項9に記載のパッケージ基板。
- 前記再配線層は、再配線パターンと、前記再配線パターンと前記伝導性トレースとを連結する再配線ビアと、を含む、請求項8から10のいずれか一項に記載のパッケージ基板。
- 互いに反対に位置する第1及び第2面を有し、前記第1及び第2面を連結するキャビティを含み、前記第1及び第2面を連結する配線構造を備えた支持部材と、
前記配線構造と連結され、前記キャビティと重なった領域に位置するコンタクト部分を有する伝導性トレースと、
前記伝導性トレースを覆うように前記支持部材の第1面に配置された絶縁部材、及び前記絶縁部材に配置されて前記伝導性トレースと連結された再配線層を有する連結部材と、
前記キャビティの内部側壁及び前記支持部材の第2面に配置され、キャビティ構造を有する絶縁樹脂層と、
前記絶縁樹脂層において前記支持部材の第2面に位置する領域上に配置され、前記支持部材の配線構造に連結される上部配線層と、を含むパッケージ基板。 - 前記絶縁樹脂層において、前記支持部材の第2面に位置する領域は実質的に平坦な表面を有する、請求項12に記載のパッケージ基板。
- 互いに反対に位置する第1及び第2面を有し、前記第1及び第2面にそれぞれ位置する第1及び第2配線パターン、及び前記第1及び第2配線パターンを連結する貫通ビアを有する支持部材を製造する段階と、
前記支持部材に前記第1及び第2面を連結するキャビティを形成する段階と、
前記支持部材のキャビティに金属ブロックを配置する段階(ここで、前記支持部材の第1面のレベルに前記金属ブロックの一面が位置する)と、
封止用樹脂を用いて前記支持部材のキャビティに前記金属ブロックを固定する段階と、
前記支持部材の第1面で前記第1配線パターンと連結され、前記金属ブロックの一面に位置するコンタクト部分を有する伝導性トレースを形成する段階と、
前記伝導性トレースを覆うように、前記支持部材の第1面に前記伝導性トレースに連結される再配線層を有する連結部材を形成する段階と、
前記支持部材から前記金属ブロックを除去する段階と、を含む、パッケージ基板の製造方法。 - 前記第1配線パターンは前記第1面から突出しており、
前記支持部材を製造する段階は、前記第1配線パターンと実質的に平坦な共面を有する平坦化層を形成する段階を含む、請求項14に記載のパッケージ基板の製造方法。 - 前記金属ブロックを配置する段階は、
キャリアフィルムに前記支持部材の第1面が接するように前記キャリアフィルム上に前記支持部材を配置する段階と、前記支持部材のキャビティに露出した前記キャリアフィルムの部分に前記金属ブロックを配置する段階と、を含む、請求項14または15に記載のパッケージ基板の製造方法。 - 前記金属ブロックを固定する段階は、前記封止用樹脂を用いて前記支持部材の第2面を覆う絶縁樹脂層を形成する段階を含む、請求項14に記載のパッケージ基板の製造方法。
- 前記絶縁樹脂層を形成する段階の後に、前記第2配線パターンに連結されるように前記絶縁樹脂層上に上部配線層を形成する段階をさらに含む、請求項17に記載のパッケージ基板の製造方法。
- 前記金属ブロックを除去する段階の後に、前記キャビティの内部側壁に前記封止用樹脂が残留する、請求項14から18のいずれか一項に記載のパッケージ基板の製造方法。
- 前記金属ブロックは、前記伝導性トレースを構成する金属と異なる金属からなる、請求項14から19のいずれか一項に記載のパッケージ基板の製造方法。
- 前記伝導性トレースを形成する段階は、前記金属ブロックの金属と異なる金属からなる第1金属層を形成する段階と、前記第1金属層上に第2金属層を形成する段階と、を含む、請求項14から20のいずれか一項に記載のパッケージ基板の製造方法。
- 前記金属ブロックを除去する段階の後に、前記コンタクト部分で前記第2金属層が露出するように前記第1金属層を除去する段階をさらに含む、請求項21に記載のパッケージ基板の製造方法。
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