JP4481854B2 - ウィンドウを備えたボールグリッドアレイ基板およびその製造方法 - Google Patents
ウィンドウを備えたボールグリッドアレイ基板およびその製造方法 Download PDFInfo
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- JP4481854B2 JP4481854B2 JP2005081647A JP2005081647A JP4481854B2 JP 4481854 B2 JP4481854 B2 JP 4481854B2 JP 2005081647 A JP2005081647 A JP 2005081647A JP 2005081647 A JP2005081647 A JP 2005081647A JP 4481854 B2 JP4481854 B2 JP 4481854B2
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- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
- H05K1/183—Components mounted in and supported by recessed areas of the printed circuit board
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- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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- H05K2201/0394—Conductor crossing over a hole in the substrate or a gap between two separate substrate parts
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- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
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- H05K2201/10969—Metallic case or integral heatsink of component electrically connected to a pad on PCB
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- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
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- H05K3/22—Secondary treatment of printed circuits
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- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/425—Plated through-holes or plated via connections characterised by the sequence of steps for plating the through-holes or via connections in relation to the conductive pattern
- H05K3/427—Plated through-holes or plated via connections characterised by the sequence of steps for plating the through-holes or via connections in relation to the conductive pattern initial plating of through-holes in metal-clad substrates
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
Description
回路パターン、前記第1外層回路層のウィンドウ領域に該当するウィンドウ底部およびソルダボールパッドパターンを有し、ボールパッド上にソルダボールが実装されている第2外層回路層と、前記第1外層回路層と前記第2外層回路層間に形成され、前記第1外層回路層のウィンドウに相当する部分にウィンドウが形成された絶縁層と、前記第1外層回路層および第2外層回路層上に形成され、前記ワイヤボンディングパッドパターン、ソルダボールパッドパターンを含む外部部品との接続のための接続端子およびウィンドウ領域が開放されたソルダレジストパターンと、前記ソルダレジストパターンを通じて露出された接続端子と、前記ウィンドウ底部を含むウィンドウ内壁上に形成された金メッキ層とを含むールグリッドアレイ基板を提供する。
101 絶縁層
102a、102b 銅箔
103a、103b 銅メッキ層
104a、104b ドライフィルム
105a、105b ソルダレジスト
106a、106b 金メッキ層
210 接着剤
220 半導体チップ
230 ワイヤボンディング
240 ソルダボール
Claims (11)
- 回路パターンおよびワイヤボンディングパッドパターンを含み、実装されるチップの大きさに相応するウィンドウを有し、前記チップがワイヤボンディングパッドにワイヤボンディングで接続されている第1外層回路層と、
回路パターン、前記第1外層回路層のウィンドウ領域に相当するウィンドウ底部およびソルダボールパッドパターンを有し、ボールパッド上にソルダボールが実装されている第2外層回路層と、
前記第1外層回路層と前記第2外層回路層間に形成され、前記第1外層回路層のウィンドウに該当する部分にウィンドウが形成された絶縁層と、
前記第1外層回路層および第2外層回路層上に形成され、前記ワイヤボンディングパッドパターン、ソルダボールパッドパターンを含む外部部品との接続のための接続端子およびウィンドウ領域が開放されたソルダレジストパターンと、
前記ソルダレジストパターンを通じて露出された接続端子と、
前記ウィンドウ底部を含むウィンドウ内壁上に形成された金メッキ層とを含むことを特徴とするボールグリッドアレイ基板。 - 前記ウィンドウ上に複数の半導体チップが積層されて実装されることを特徴とする請求項1記載のボールグリッドアレイ基板。
- 前記基板上に複数の基板が積層されることを特徴とする請求項1記載のボールグリッドアレイ基板。
- 前記接続端子と金メッキ層との間、および前記ウィンドウ内壁と金メッキ層との間にニッケル層をさらに含むことを特徴とする請求項1記載のボールグリッドアレイ基板。
- (A)絶縁層、前記絶縁層の上部に形成された第1外層回路層と、前記絶縁層の下部に形成された第2外層回路層を含む原板を提供する段階と、
(B)前記第1外層回路層および前記絶縁層を貫通するウィンドウを形成する段階と、
(C)前記第1外層回路層にパターンおよびワイヤボンディングパッドを含むパターンを形成し、前記第2外層回路層にウィンドウ底部、回路パターンおよびソルダボールパッドパターンを含むパターンを形成する段階と、
(D)前記第1外層回路層および前記第2外層回路層にソルダレジストを塗布した後、前記ワイヤボンディングパッドパターンおよび前記ソルダボールパッドパターンを含む外部部品との接続のための接続端子およびウィンドウ領域が開放されたソルダレジストパターンを形成する段階と、
(E)前記ソルダレジストパターンを通じて開放された接続端子と、前記ウィンドウ底部を含むウィンドウ内壁に金メッキ層を形成する段階とを含むことを特徴とするボールグリッドアレイ基板の製作方法。 - 前記(A)段階の後、
(F)前記原板にビアホールを形成する段階と、
(G)前記原板の表面およびビアホールの内壁に銅メッキ層を形成する段階とをさらに含むことを特徴とする請求項5記載のボールグリッドアレイ基板の製作方法。 - 前記(D)段階の後、
(E)前記ソルダレジストパターンを通じて開放された接続端子と、前記ウィンドウ底部を含むウィンドウ内壁にニッケルメッキ層を形成する段階と、
(F)前記ニッケルメッキ層上に金メッキ層を形成する段階と、
(G)前記ソルダボールパッドパターンの金メッキ層上にソルダボールを形成し、前記ワイヤボンディングパッドパターンの金メッキ層上にワイヤボンディングを形成する段階とをさらに含むことを特徴とする請求項5記載のボールグリッドアレイ基板の製作方法。 - 前記(D)段階は、
(D−1)前記第1外層回路層および前記第2外層回路層のソルダレジスト上にエッチングレジストを塗布した後、前記エッチングレジストを露光および現像して前記接続端子およびウィンドウ領域に対応する部分が開放されたエッチングレジストパターンを形成する過程と、
(D−2)前記エッチングレジストを除去する過程とを含むことを特徴とする請求項5記載のボールグリッドアレイ基板の製作方法。 - 前記エッチングレジストは感光性物質からなることを特徴とする請求項8記載のボールグリッドアレイ基板の製作方法。
- 前記絶縁層は多数の内層回路層を含むことを特徴とする請求項5記載のボールグリッドアレイ基板の製作方法。
- 前記(A)段階において、前記原板は、絶縁層の上面に銅箔が形成され、下面に接着剤を介して保護フィルムが形成されることを特徴とする請求項5記載のボールグリッドアレイ基板の製作方法。
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CN1790684A (zh) | 2006-06-21 |
US20070207607A1 (en) | 2007-09-06 |
KR100688857B1 (ko) | 2007-03-02 |
US7462555B2 (en) | 2008-12-09 |
CN100386869C (zh) | 2008-05-07 |
JP2006173554A (ja) | 2006-06-29 |
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