JP2006190953A - メッキによるチップ内蔵型プリント回路基板およびその製造方法 - Google Patents
メッキによるチップ内蔵型プリント回路基板およびその製造方法 Download PDFInfo
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Abstract
【解決手段】本発明のチップ内蔵型プリント回路基板の製造方法は、銅張積層基板にチップ挿入用空洞およびビアホールを加工する段階と、前記空洞にチップを挿入する段階と、前記基板に全面メッキを施す段階と、前記基板の両面に回路パターンを形成して中心層を形成する段階と、前記基板に追加回路層および絶縁層を積層する段階とを含む。
【選択図】図4g
Description
第一に、重合体キャパシタペーストを塗布し、熱硬化、すなわち乾燥させてキャパシタを実現する重合体厚膜型(Polymer Thick Film Type)キャパシタを実現する方法がある。この方法は、プリント回路基板の内層に重合体キャパシタペーストを塗布し、これを乾燥させた後、電極を形成するように銅ペーストをプリントおよび乾燥させることにより、内蔵型キャパシタを製造する。
図1aに示すように、絶縁層1に空洞3を加工し、導通孔2を形成した後、導通孔2の内部に伝導性インクを充填させる。図1bに示すように、保護フィルム6上に、一般的な回路形成段階を経て所定のパターンを含む回路4を形成し、図1cに示すように、所定のパターンを含む回路4上に電気素子5を実装させる。その後、図1dに示すように、伝導性インクの充填された導通孔2の表面と所定のパターンを含む回路4とを一致するように接合し、図1eに示すように、保護フィルム6を除去する。次いで、図1fに示すように、所定のパターンを含む回路9、および伝導性インクの充填されたビアホール11を含む回路層7、8を形成した後、中心絶縁層1の両面に回路層7、8を積層する。
図2aに示すように、所定のパターンで形成された回路22および導通孔21を含む回路層20を形成する。図2bに示すように、所定のパターンで形成された回路22上に電気素子23を実装させる。その後、図2cに示すように、中心層25に空洞を加工した後、所定の回路パターン26および導通孔27を形成して回路層20上に積層し、図2dに示すように、中心層25上に、所定のパターンで形成された回路29および導通孔30を含む回路層28を形成して積層する。
また、従来例1および従来例2に係る従来の技術では、チップと銅箔層間の空間が広くて放熱の効果を得ることができないという問題点があった。
図3aに示すように、下部回路層は、所定のパターンで形成された回路3および放熱パターン6を含むフィルム8からなっている。ここで、放熱パターン6上に伝導性インク9を充填する。次に、中心層は、フィルム8に空洞を加工した後、所定のパターンで形成された回路3および導通孔8aを形成して積層する。ここで、フィルム8は電気素子5の厚さに合う層数を準備する。最終的に、上部回路層は、所定のパターンで形成された回路3および導通孔8aを含むフィルム8を形成した後、電気素子5の挿入された中心層に回路層を一括的に積層する。図3bに示すように、各層のコア形成段階は、まずフィルム8上に銅箔層10を積層する。次いで、図3cに示すように、フィルム8上の銅箔層10は一般的な回路形成段階を経て回路3を形成し、フィルム8の下部には保護フィルム11を塗布する。その後、図3dに示すように、上部の回路3に対応する部分のフィルム8および保護フィルム11に導通孔8aを形成し、図3eに示すように、形成された導通孔8aの内部に伝導性インク9を充填させる。最終的に、図3fに示すように、保護フィルム11を除去する。
図4a〜図4gは本発明の一実施例に係るチップ内蔵型プリント回路基板の製造方法における中心層の製造工程を示す。
図5aに示すように、図4a〜図4gに示された方法によって形成した中心層410の両面に未硬化樹脂層412a、412b、412c、両面に回路パターンが形成された回路層413および銅箔層411a、411bを積層する。
401 絶縁層
402 銅箔層
403 空洞
404 ビアホール
405 チップ
406 接続パッド
407 チップ本体
408 粘着シート
409 メッキ層
410 中心層
411a、411b 銅箔層
412a、412b、412c 未硬化樹脂層
413 回路層
414 貫通孔
415 ブラインドビアホー
416 メッキ層
Claims (9)
- 銅張積層基板にチップ挿入用空洞およびビアホールを加工する段階と、
前記空洞にチップを挿入する段階と、
前記基板に全面メッキを施す段階と、
前記基板の両面に回路パターンを形成して中心層を形成する段階と、
前記基板に追加回路層および絶縁層を積層する段階とを含むことを特徴とするチップ内蔵型プリント回路基板の製造方法。 - 前記の空洞にチップを挿入する段階は、
前記基板の一面に粘着シートを接着する段階と、
前記空洞にチップを挿入する段階とを含むことを特徴とする請求項1記載のチップ内蔵型プリント回路基板の製造方法。 - 前記の全面メッキを施す段階は、
前記粘着シートを除去する段階を含むことを特徴とする請求項2記載のチップ内蔵型プリント回路基板の製造方法。 - 前記の粘着シートを除去する段階の後、
メッキを施す段階をさらに含むことを特徴とする請求項3記載のチップ内蔵型プリント回路基板。 - 前記の基板の両面に回路パターンを形成して中心層を形成する段階は、
前記基板の両面にエッチングを行って回路パターンを形成する段階を含むことを特徴とする請求項1記載のチップ内蔵型プリント回路基板の製造方法。 - 前記の追加回路層および絶縁層を積層する段階は、
前記中心層に未硬化樹脂層、回路層を交互に積層する段階と、
前記基板の最外層に銅箔層を積層する段階と、
前記の積層された未硬化樹脂層、回路層および銅箔層を加熱加圧する段階と、
前記基板の銅箔層に回路パターンを形成する段階とを含むことを特徴とする請求項1記載のチップ内蔵型プリント回路基板の製造方法。 - 貫通孔および空洞が形成され、前記空洞に挿入されてメッキによって固定されたチップ、および両面に形成された回路パターンからなる中心層と、
前記中心層の一面または両面に積層され、導電性インクの充填された貫通孔を含む絶縁層と、
前記絶縁層上に積層され、前記貫通孔を介して前記中心層のメッキ層と電気的に接続される回路パターンおよびビアホールが形成された回路層とを含むことを特徴とするチップ内蔵型プリント回路基板。 - 前記絶縁層は硬化樹脂層および未硬化樹脂層を含むことを特徴とする請求項7記載のチップ内蔵型プリント回路基板。
- 前記チップは受動素子または能動素子を含むことを特徴とする請求項7記載のチップ内蔵型プリント回路基板。
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JP2001053447A (ja) * | 1999-08-05 | 2001-02-23 | Iwaki Denshi Kk | 部品内蔵型多層配線基板およびその製造方法 |
US6724638B1 (en) | 1999-09-02 | 2004-04-20 | Ibiden Co., Ltd. | Printed wiring board and method of producing the same |
EP1990833A3 (en) * | 2000-02-25 | 2010-09-29 | Ibiden Co., Ltd. | Multilayer printed circuit board and multilayer printed circuit board manufacturing method |
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US7855342B2 (en) * | 2000-09-25 | 2010-12-21 | Ibiden Co., Ltd. | Semiconductor element, method of manufacturing semiconductor element, multi-layer printed circuit board, and method of manufacturing multi-layer printed circuit board |
JP4103549B2 (ja) | 2002-10-31 | 2008-06-18 | 株式会社デンソー | 多層配線基板の製造方法及び多層配線基板 |
JP2004335641A (ja) * | 2003-05-06 | 2004-11-25 | Canon Inc | 半導体素子内蔵基板の製造方法 |
JP2004007006A (ja) | 2003-09-16 | 2004-01-08 | Kyocera Corp | 多層配線基板 |
-
2004
- 2004-12-30 KR KR1020040116809A patent/KR100688769B1/ko not_active IP Right Cessation
-
2005
- 2005-05-30 CN CN2005100730448A patent/CN1798479B/zh not_active Expired - Fee Related
- 2005-07-07 JP JP2005198737A patent/JP4061318B2/ja not_active Expired - Fee Related
- 2005-07-11 US US11/179,864 patent/US7282394B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010098286A (ja) * | 2008-10-20 | 2010-04-30 | Samsung Electro-Mechanics Co Ltd | 印刷回路基板及びその製造方法 |
Also Published As
Publication number | Publication date |
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KR100688769B1 (ko) | 2007-03-02 |
KR20060078118A (ko) | 2006-07-05 |
JP4061318B2 (ja) | 2008-03-19 |
US7282394B2 (en) | 2007-10-16 |
US20060145331A1 (en) | 2006-07-06 |
CN1798479A (zh) | 2006-07-05 |
CN1798479B (zh) | 2011-06-15 |
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