JP6678090B2 - 電子部品内蔵基板及びその製造方法と電子部品装置 - Google Patents
電子部品内蔵基板及びその製造方法と電子部品装置 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 claims description 9
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- 229920005989 resin Polymers 0.000 description 20
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
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- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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Description
図11〜図22は実施形態の電子部品内蔵基板の製造方法を説明するための図、図23〜図28は実施形態の電子部品内蔵基板を説明するための図、図29は実施形態の電子部品装置を示す図である。
このようにして、第1絶縁壁部W1と第2絶縁壁部W2とが分離されて配置されている。
Claims (9)
- コア基板と、
前記コア基板を貫通するキャビティと、
前記コア基板の一方の面に形成された配線層と、
前記配線層と同一層から形成され、前記キャビティを跨ぎ、前記キャビティを複数の部品内蔵領域に区画する支持パターンと、
前記キャビティ内の前記支持パターン上の一部に配置され、前記コア基板と同じ材料から形成された絶縁壁部と、
前記複数の部品内蔵領域にそれぞれ搭載された複数の電子部品と、
前記キャビティ内を充填する絶縁材料と
を有し、
前記支持パターン上に前記絶縁壁部が形成されていない領域を前記キャビティ内に含むことを特徴とする電子部品内蔵基板。 - 前記絶縁壁部は、前記コア基板から分離した島状壁部を有することを特徴とする請求項1に記載の電子部品内蔵基板。
- 前記支持パターンは、複数の帯状パターンが交差する交差部を有し、
前記島状壁部は、前記交差部上に配置された十字状壁部であることを特徴とする請求項2に記載の電子部品内蔵基板。 - 前記絶縁壁部は、前記コア基板から前記キャビティの内側に向かって突出する突出壁部を有することを特徴とする請求項1乃至3のいずれか一項に記載の電子部品内蔵基板。
- 前記絶縁壁部の幅は、前記支持パターンの幅よりも広いことを特徴とする請求項1乃至4のいずれか一項に記載の電子部品内蔵基板。
- 前記絶縁材料に形成され、前記電子部品の接続端子の一方の面に到達するビアホールと、
前記絶縁材料の一方の面に形成され、前記ビアホールを介して前記電子部品の接続端子の一方の面に接続される第2の配線層と
を有することを特徴とする請求項1乃至5のいずれか一項に記載の電子部品内蔵基板。 - コア基板と、
前記コア基板を貫通するキャビティと、
前記コア基板の一方の面に形成された配線層と、
前記配線層と同一層から形成され、前記キャビティを跨ぎ、前記キャビティを複数の部品内蔵領域に区画する支持パターンと、
前記キャビティ内の前記支持パターン上の一部に配置され、前記コア基板と同じ材料から形成された絶縁壁部と、
前記複数の部品内蔵領域にそれぞれ搭載された複数の第1電子部品と、
前記キャビティ内を充填する絶縁材料と、
を備えた電子部品内蔵基板と、
前記電子部品内蔵基板の上に搭載され、前記第1電子部品と電気的に接続された第2電子部品と
を有し、
前記支持パターン上に前記絶縁壁部が形成されていない領域を前記キャビティ内に含む電子部品装置。 - コア基板を用意する工程と、
コア基板の一方の面に、配線層と、前記配線層と同一層からなる支持パターンとを形成する工程と、
前記支持パターンを挟んで対向する位置に、前記コア基板を貫通する複数の部品内蔵領域を形成する工程と、
前記支持パターン上に位置する、前記複数の部品内蔵領域の間の前記コア基板の一部を除去して、前記複数の部品内蔵領域が連結された1つのキャビティを形成すると共に、前記支持パターン上に前記コア基板と同一材料からなる絶縁壁部を形成する工程と、
前記複数の部品内蔵領域にそれぞれ電子部品を搭載する工程と、
前記キャビティ内を絶縁材料で充填する工程と
を有することを特徴とする電子部品内蔵基板の製造方法。 - 前記絶縁壁部を形成する工程において、
レーザ加工により前記支持パターン上の前記コア基板の一部を除去することを特徴とする請求項8に記載の電子部品内蔵基板の製造方法。
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