JP2008034589A - 多層プリント配線板及びその製造方法 - Google Patents
多層プリント配線板及びその製造方法 Download PDFInfo
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Abstract
【解決手段】多層プリント配線板は、電子部品を内蔵した領域と、電子部品を埋め込む開口部を有するキャビティとをそれぞれ備えている。その製造方法として、層間接続導体となる導電性バンプを印刷形成しプリプレグを貫通するとともに電子部品を埋め込むキャビティとなる窓及び電子部品を内蔵する空間となる窓を設けた上側プリント配線基板110と、部品を表面に実装した下側プリント配線基板120をそれぞれ別個に製造し、積層プレスして一体化する。積層の際、キャビティとなる側には剥離紙シートを介してコンフォーマル材が充填されるようにし、部品を内蔵する側にはプリプレグの含浸樹脂が浸出されるようにする。
【選択図】図2
Description
図8〜図10は、上記実施形態で得られた多層プリント配線板100のキャビティ1内に電子部品を実装した状態の例を模式的に示す断面図である。
Claims (10)
- 電子部品実装用のキャビティと、
前記キャビティと離間した位置に設けられ、電子部品が内蔵された領域と、
を具備することを特徴とする多層プリント配線板。 - 前記内蔵された電子部品は、前記キャビティの底面と同一平面に形成された配線層上に実装され接続されていることを特徴とする請求項1記載の多層プリント配線板。
- 前記電子部品が内蔵された前記領域の少なくとも一部は、前記多層プリント配線板を構成するプリプレグの含浸樹脂から浸出した樹脂により埋められていることを特徴とする請求項1又は2記載の多層プリント配線板。
- 前記キャビティの内壁側面は、前記多層プリント配線板を構成するプリプレグの含浸樹脂から浸出した樹脂によりコーティングされていることを特徴とする請求項1乃至3いずれか1項記載の多層プリント配線板。
- 上面に電子部品が実装され接続された第1のプリント配線基板と、電子部品実装用のキャビティとなる板厚み方向に貫通する第1の窓と前記接続された電子部品の位置に対応して板厚み方向に貫通する第2の窓とを設けた第2のプリント配線基板とを、プリプレグを介して積層一体化したことを特徴とする請求項1乃至4いずれか1項記載の多層プリント配線板。
- 前記プリプレグを貫通して前記第1のプリント配線基板と前記第2のプリント配線基板との対向する配線パターン間に挟まれて設けられ、積層方向に一致する軸を有し、前記電子部品が実装された第1のプリント配線基板の面側が前記第2のプリント配線基板の面側よりも小径となるように径が変化している形状である層間接続導体と、
をさらに具備することを特徴とする請求項5記載の多層プリント配線板。 - 前記第1のプリント配線基板と前記第2のプリント配線基板とは、実質的に等厚であることを特徴とする請求項5又は6記載の多層プリント配線板。
- 下側となる第1のプリント配線基板の上面に、内蔵すべき電子部品を実装し接続する工程と、
上側となる第2のプリント配線基板の前記第1のプリント配線基板と接続される側の面に、層間接続導体となる導電性バンプを形成し、プリプレグを積層して前記導電性バンプの先端を前記プリプレグから露出させ、電子部品実装用のキャビティとなる第1の窓と、内蔵すべき電子部品の位置に対応した第2の窓とを設ける工程と、
前記内蔵すべき電子部品が実装され接続された第1のプリント配線基板の上に、前記導電性バンプ形成面を下にした第2のプリント配線基板を積層し、加圧加熱して、電気的かつ機械的に一体化する工程と、
を有することを特徴とする多層プリント配線板の製造方法。 - 前記第1のプリント配線基板と前記第2のプリント配線基板とを積層し加熱加圧する際、上側に積層配置された第2のプリント配線基板の上に、前記第1の窓に対応する窓が設けられ第2の窓に対応する窓が設けられてない第1の押さえ板を前記窓どうしが重なり合うように位置合わせして積層し、さらにその上に、離型フィルムを介してコンフォーマル材および第2の押さえ板を順に積層して加圧加熱することを特徴とする請求項8記載の多層プリント配線板の製造方法。
- 前記第1のプリント配線基板と前記第2のプリント配線基板とは、等厚のリジッド配線基板であることを特徴とする請求項8又は9記載の多層プリント配線板の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006205641A JP5082321B2 (ja) | 2006-07-28 | 2006-07-28 | 多層プリント配線板及びその製造方法 |
TW096126039A TWI501714B (zh) | 2006-07-28 | 2007-07-17 | 多層印刷配線板及其製造方法 |
CN2007101367516A CN101115353B (zh) | 2006-07-28 | 2007-07-27 | 多层印制布线板及其制造方法 |
KR1020070075458A KR101497689B1 (ko) | 2006-07-28 | 2007-07-27 | 다층 프린트 배선판 및 그 제조 방법 |
US11/878,923 US8400776B2 (en) | 2006-07-28 | 2007-07-27 | Multilayered printed wiring board |
US13/766,809 US8942003B2 (en) | 2006-07-28 | 2013-02-14 | Multilayered printed wiring board |
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JP2006205641A JP5082321B2 (ja) | 2006-07-28 | 2006-07-28 | 多層プリント配線板及びその製造方法 |
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JP (1) | JP5082321B2 (ja) |
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Also Published As
Publication number | Publication date |
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KR20080011106A (ko) | 2008-01-31 |
TW200816898A (en) | 2008-04-01 |
CN101115353B (zh) | 2012-11-28 |
TWI501714B (zh) | 2015-09-21 |
US20080049405A1 (en) | 2008-02-28 |
US8942003B2 (en) | 2015-01-27 |
JP5082321B2 (ja) | 2012-11-28 |
CN101115353A (zh) | 2008-01-30 |
US8400776B2 (en) | 2013-03-19 |
US20130220686A1 (en) | 2013-08-29 |
KR101497689B1 (ko) | 2015-03-02 |
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