JP2004087895A - Package component and its manufacturing method - Google Patents

Package component and its manufacturing method Download PDF

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Publication number
JP2004087895A
JP2004087895A JP2002248284A JP2002248284A JP2004087895A JP 2004087895 A JP2004087895 A JP 2004087895A JP 2002248284 A JP2002248284 A JP 2002248284A JP 2002248284 A JP2002248284 A JP 2002248284A JP 2004087895 A JP2004087895 A JP 2004087895A
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Prior art keywords
package
component
chip
terminal
manufacturing
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Japanese (ja)
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Katsuo Kawaguchi
川口 克雄
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Ibiden Co Ltd
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Ibiden Co Ltd
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Priority to JP2002248284A priority Critical patent/JP2004087895A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/93Batch processes
    • H01L24/95Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips
    • H01L24/96Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being encapsulated in a common layer, e.g. neo-wafer or pseudo-wafer, said common layer being separable into individual assemblies after connecting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/48Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
    • H01L21/4814Conductive parts
    • H01L21/4821Flat leads, e.g. lead frames with or without insulating supports
    • H01L21/4828Etching
    • H01L21/4832Etching a temporary substrate after encapsulation process to form leads
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/93Batch processes
    • H01L24/95Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips
    • H01L24/97Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/50Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
    • H01L21/56Encapsulations, e.g. encapsulation layers, coatings
    • H01L21/568Temporary substrate used as encapsulation process aid
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/02Bonding areas; Manufacturing methods related thereto
    • H01L2224/04Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L2224/04105Bonding areas formed on an encapsulation of the semiconductor or solid-state body, e.g. bonding areas on chip-scale packages
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/10Bump connectors; Manufacturing methods related thereto
    • H01L2224/15Structure, shape, material or disposition of the bump connectors after the connecting process
    • H01L2224/16Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
    • H01L2224/161Disposition
    • H01L2224/16151Disposition 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
    • H01L2224/16221Disposition 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
    • H01L2224/16245Disposition 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 metallic
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/18High density interconnect [HDI] connectors; Manufacturing methods related thereto
    • H01L2224/23Structure, shape, material or disposition of the high density interconnect connectors after the connecting process
    • H01L2224/24Structure, shape, material or disposition of the high density interconnect connectors after the connecting process of an individual high density interconnect connector
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/18High density interconnect [HDI] connectors; Manufacturing methods related thereto
    • H01L2224/23Structure, shape, material or disposition of the high density interconnect connectors after the connecting process
    • H01L2224/24Structure, shape, material or disposition of the high density interconnect connectors after the connecting process of an individual high density interconnect connector
    • H01L2224/241Disposition
    • H01L2224/24151Connecting 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
    • H01L2224/24153Connecting 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 arranged next to each other, e.g. on a common substrate
    • H01L2224/24195Connecting 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 arranged next to each other, e.g. on a common substrate the item being a discrete passive component
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/10Details of semiconductor or other solid state devices to be connected
    • H01L2924/11Device type
    • H01L2924/14Integrated circuits

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a package component which is easily manufactured, provided with a very flat surface, and compact, and to provide its manufacturing method. <P>SOLUTION: First, IC chips 11 and a copper foil 13 are prepared. The IC chips 11 and the copper foil 13 are arranged as the surfaces of the IC chips 11 where terminals 18 are formed are confronted with the copper foil 13 (A). At this point, all the IC chips 11 are arranged on the same surface of the copper foil 13. Then, the IC chips 11 are mounted on the copper foil 13 (B). Next, the IC chips 11 are sealed up with a resin 12 (C). Pads 14 are formed by patterning the copper foil 13 (D). Lastly, the sealing resin 12 is cut (E). By this setup, an IC package 10 including the IC chip 11 covered with the sealing resin 12 can be obtained. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は,電子部品が樹脂でモールドされたパッケージ部品とその製造方法に関する。さらに詳細には,製造が容易であって,コンパクトなパッケージ部品およびその製造方法に関するものである。
【0002】
【従来の技術】
従来,ICパッケージ30は,図9に示すようにICチップ31の全体がモールド樹脂32によって覆われた構造をしている。また,ICパッケージ30はリード33を有している。そして,リード33の一端はモールド樹脂32内でICチップ31の端子38と接し,他端はICパッケージ30の側面から外部に突出している。
【0003】
このようなICパッケージ30は,図10に示すような工程により製造される。まず,ICチップ31を用意する(図10(A))。次に,当該ICチップ31用に形成されたリード33上にICチップ31を配置し,リード33とICチップ31の端子38とを接合する(図10(B))。次に,ICチップ31を樹脂32でモールドする(図10(C))。これにより,ICチップ31の全体が樹脂32で覆われる。このときリード33の一端は,ICチップ31への入出力を可能にするために外部に突出させる。その後,リード30を図示のように折り曲げることにより,ICパッケージ30が製造される(図10(D))。
【0004】
【発明が解決しようとする課題】
しかしながら,前記した従来の技術には次のような問題があった。すなわち,リード33は非常に細く薄膜の部品であって機械的強度が非常に低い。従って,ICチップ31の端子38の位置にリード33を正しく合わせることは容易でない。また,リード33が側面から突出しているため,ICパッケージ30の全体として幅方向のサイズが大きい。また,端子38およびリード33を覆う樹脂の厚みが600〜1000μm程度あり,厚さ方向のサイズも大きい。また,そのことを機器側の設計でも考慮しなければならず,ICパッケージ30を組み込んだ製品のサイズも大きくなる。また,樹脂でモールドされたICパッケージ30は,20〜100μm程度の凹凸があり平坦性が低い。また,1回の製造サイクルでは1個もしくは多くても2,3個のICパッケージ30を製造することしかできない。従って,生産性が非常に低い。
【0005】
本発明は,前記した従来の技術が有する問題点を解決するためになされたものである。すなわちその課題とするところは,製造が容易であって,表面の平坦性が高く,コンパクトなパッケージ部品およびその製造方法を提供することにある。
【0006】
【課題を解決するための手段】
この課題の解決を目的としてなされたパッケージ部品は,一面に端子を有する電子部品をパッケージしてなるパッケージ部品であって,電子部品の端子に接合されたパターン層を有し,パターン層は,電子部品の端子の直上にパターンが存在するように導体箔をパターニングしたものであり,電子部品は樹脂でモールドされ,電子部品の端子面上をモールドする樹脂の厚さは,電子部品の端子の高さ以下であるものである。
【0007】
本発明のパッケージ部品は,電子部品の端子の直上に導体箔をパターニングしたパターン層を有している。そして,当該パターン層を介して電子部品の端子にアクセスできるようになっている。すなわち,本発明のパッケージ部品はリードを設ける必要がない。従って,従来のパッケージ部品と比較して幅方向にコンパクトである。また,電子部品の端子面上の樹脂の厚さは,当該電子部品の端子の高さ以下である。従って,従来のパッケージ部品と比較して厚さ方向にもコンパクトである。また,表面のパターン層を,元々1枚の導体箔から形成することとすれば,その厚みが均一である。従って,パッケージ部品の表面の平坦性が高い。
【0008】
また,本発明のパッケージ部品は,複数の電子部品を含み,各電子部品ともその端子が前記パターン層に接合されているものであってもよい。このパッケージ部品では,電子部品と他の電子部品の少なくとも1つとを,パターン層を介して電気的に接続することができる。従って,複数の電子部品の機能を組み合わせてモジュール化したパッケージ部品が提供されている。
【0009】
また,本発明のパッケージ部品は,パターン層上に,絶縁層と配線層とを交互に積層してなるとともに層間接続構造を含む積み上げ層を有し,積み上げ層の最上層に,電子部品の端子にアクセスするパッドを有するものであってもよい。すなわち,このパッケージ部品では,積み上げ層の部分に多彩な回路を内蔵させることができる。
【0010】
また,本発明のパッケージ部品の製造方法は,一面に端子を有する電子部品をパッケージしてなるパッケージ部品の製造方法であって,導体箔の一方の面上に電子部品を,その端子面が導体箔と向き合うように載置し,電子部品の端子と導体箔とを接合する第1工程と,第1工程にて導体箔に接合された電子部品を樹脂でモールドする第2工程と,第2工程後に,導体箔を,電子部品の端子の直上にパターンが存在するようにパターニングする第3工程とを含んでいる。
【0011】
本発明のパッケージ部品の製造方法では,まず,導体箔の一方の面上に電子部品の端子を接合している。次に,接合された電子部品を樹脂でモールドしている。そして,電子部品の端子の直上にパターンが存在するように導体箔をパターニングしている。この製造方法では,導体箔をパターニングする時には,樹脂がモールドされているためある程度の機械的強度がある。従って,位置合わせを容易に行うことができる。
【0012】
また,本発明のパッケージ部品の製造方法は,第1工程にて,複数個のパッケージ部品に相当する電子部品を導体箔に接合し,第3工程後に,第2工程にてモールドした樹脂をカットして個別のパッケージ部品を得るようにしてもよい。これにより,1回の製造サイクルで複数のパッケージ部品を製造することができる。従って,本発明のパッケージ部品の製造方法は生産性が高い。
【0013】
また,本発明のパッケージ部品の製造方法は,第1工程にて複数個の電子部品を導体箔に接合し,複数個の電子部品を含むパッケージ部品を得るようにしてもよい。これにより,複数個の電子部品を内蔵した機能的なパッケージ部品を製造することができる。
【0014】
【発明の実施の形態】
以下,本発明を具体化した実施の形態について,添付図面を参照しつつ詳細に説明する。なお,以下の形態では,IC部品を有するICパッケージおよびその製造方法として本発明を適用する。
【0015】
[第1の形態]
第1の形態のICパッケージ10は,図1に示すようにICチップ11と,ICチップ11を覆うモールド樹脂12と,ICチップ11の図1中の下面に設けられたパッド14とを備えている。
【0016】
そして,ICチップ11の図1中の下面には,図2に示すようにICチップ11の端子18が設けられており,当該端子の直上(図1では直下)にパッド14が形成されている。そして,ICチップ11とパッド14との間にもモールド樹脂12が充填されている。なお,このICチップ11とパッド14との間隔は,端子18の高さ(10〜50μm程度)とほぼ同等である。なお,図2以外の図では,端子18の部分や,ICチップ11とパッド14との間のモールド樹脂を省略している。
【0017】
ICパッケージ10は,図3に示す手順により製造される。まず,ICチップ11と銅箔13とを用意する。そして,ICチップ11の端子18を有する面(以下,「端子面」とする)と銅箔13とが向き合うように載置する(図3(A))。このとき,用意したすべてのICチップ11を銅箔13の同一の面上に載置する。なお,本形態では銅箔を使用しているが,銅以外にも鉄やアルミニウム等でもよい。また,銅箔13の厚さは9〜35μm程度である。次に,ICチップ11を銅箔13上に実装する(図3(B))。ここでいう実装とは,端子面に設けられている端子18と銅箔13とが接合され,電気的につながった状態にすることをいう。この実装工程は,例えば,金属接合,圧接工法,ACF/ACP接続,超音波接合,樹脂バンプ接合,導電性ペースト接合等により行えばよい。また,銅箔13上には図4に示すように,複数のICチップ11を格子状に並べて実装する。なお,実際には,ICチップ11と銅箔13との間に端子18の高さと同等の隙間がある(図2参照)。
【0018】
次に,ICチップ11を樹脂12でモールドする(図3(C))。樹脂12としては,エポキシ樹脂等の熱硬化性樹脂や,LCP等の熱可塑性樹脂が使用可能である。なお,実際には,ICチップ11と銅箔13との間も樹脂で充填される(図2参照)。
【0019】
次に,銅箔13をパターニングすることによりパッド14を形成する(図3(D))。このパッド14はICチップ11の端子18の直上(図3中では直下)に形成される。また,もともとは銅箔13であるため,表面の凹凸が5〜10μm程度である。そのため,従来のICパッケージと比較してその表面の平坦性は高い。また,ICチップ11は樹脂12によりモールドされているため,パターニング時のエッチング液等の影響を受けない。また,ハンドリング時の物理的衝撃が緩和される。
【0020】
最後に,モールド樹脂12をカットする(図3(E))。このカットでは,ICチップ11と他のICチップ11との隙間部分のモールド樹脂12が厚さ方向(図3中の上下)に切断される。これにより,ICチップ11がモールド樹脂12で覆われたICパッケージ10が製造される。さらには,複数のICパッケージ10が1回の製造サイクルで製造される。
【0021】
また,ICパッケージ10では,前述したように均一の厚さのパッド14がICチップ11の端子面上に形成されている。そこで,パッド14の形成(図3(D))後に,さらに絶縁層および導体層を積層し加工することで,図5に示すように回路を有するICパッケージ100を形成することもできる。このICパッケージ100は,最上層であるパターン層19にICチップ11の端子18にアクセスするためのパッドが設けられている。また,他の導体層についても配線パターンが形成されており,積み上げられた絶縁層および導体層にて回路が構成されている。
【0022】
以上詳細に説明したように本形態のICパッケージ10の製造方法では,まず,銅箔13の同一面上に複数のICチップ11を実装することとしている。そして,ICチップ11を樹脂12でモールドすることとしている。次に,銅箔13をパターニングし,ICチップ11の端子上にパッド14を形成することとしている。最後に,モールド樹脂12をカットすることでICパッケージ10が製造される。このICパッケージ10では,従来のICパッケージに必要であったリードの代わりにパッド14を設けることとしている。そして,銅箔13をパターニングすることでパッド14を形成している。パッド14は元々が1枚の銅箔13のため,その厚みがほぼ均一であり表面の平坦性が高い。パターニングする時には樹脂12がモールドされており,ある程度の機械的強度がある。従って,容易に位置合わせを行うことができる。また,ICチップ11は樹脂12で覆われているため,パターニング時のエッチング等の影響を受けない。これにより,製造が容易なパッケージ部品およびその製造方法が実現されている。
【0023】
また,リードが側面から突出していないためICパッケージ10自体がコンパクトである。そしてそのことを機器側の設計にも反映できる。また,ICチップ11とパッド14との間を充填するモールド樹脂12の厚さは,端子18の高さと同程度である。このためICパッケージ10は,ICチップの全体が厚いモールド樹脂で覆われたICパッケージと比較して薄くてコンパクトである。
【0024】
また,複数のICチップ11を格子状に並べて実装することとしている。このため,10数個〜数100個程度のICパッケージ10を1回の製造サイクルで製造することができる。従って,パッケージ部品10の生産性は高い。
【0025】
また,パッド14上に絶縁層および導体層を積層することができる。そして,そのようなパッケージ部品の場合には,最上層であるパターン層19にICチップ11の端子18にアクセスするためのパッドを形成することとしている。また,各導体層には配線パターンを形成することとしている。これにより,多彩な回路が内蔵されたパッケージ部品が提供されている。
【0026】
[第2の形態]
第2の形態のICパッケージ20は,図6に示すようにICチップ21と,チップ部品25と,ICチップ21およびチップ部品25の一部を覆うモールド樹脂22と,ICチップ21およびチップ部品25の端子面上に設けられたパターン層24とを備えている。また,ICチップ21およびチップ部品25のそれぞれの端子は,すべてパターン層24に接合されている。ここでいうチップ部品25としては,コンデンサ,インダクタ,レジスタ等が該当する。なお,実際には,図2に示すようにICチップ21等とパターン層24との間にはICチップ21等の端子があり,その間はモールド樹脂22にて充填されている。本形態のICパッケージ20は,1つのICパッケージの中に複数個の電子部品を有しているところが第1の形態と異なる。
【0027】
ICパッケージ20は,図7に示す手順により製造される。まず,ICチップ21と,チップ部品25と,銅箔23とを用意する。そして,ICチップ21およびチップ部品25を銅箔23上に実装する(図7(A))。このとき,すべてのICチップ21およびチップ部品25を銅箔23の同一の面上に実装する。そのため,銅箔23上には図8に示すように,複数のICチップ21と複数のチップ部品25とが混在した状態で実装される。そして,各部品は1製品分(本形態ではICチップ20)ごとにまとめられている。
【0028】
次に,実装されたICチップ21およびチップ部品25を樹脂22でモールドする(図7(B))。次に,銅箔23をパターニングすることによりパターン層24を形成する(図7(C))。このパターン層24にて,ICチップ21とチップ部品25とが電気的に接続された状態を保持する。次に,モールド樹脂22をカットする。これにより,ICチップ21およびチップ部品25を有するICパッケージ20が製造される。また,複数のICパッケージ20が1回の製造サイクルで製造される。なお,パターン層24の形成後に,さらに絶縁層および導体層を積層し加工することで,回路を内蔵するICパッケージを形成することもできる。
【0029】
以上詳細に説明したように本形態のICパッケージ20の製造方法では,まず,銅箔23の同一面上に,ICチップ21とともに複数のチップ部品25を実装することとしている。そして,ICチップ21およびチップ部品25を樹脂22でモールドし,その後に銅箔23をパターニングすることとしている。最後に,モールド樹脂22を製品ごとにカットすることでICパッケージ20が製造される。これにより,複数個の電子部品により構成されたICパッケージ20が製造される。また,1回の製造サイクルで複数個のICパッケージ20が製造できる。また,製造されたICパッケージ20はリードを有しておらずコンパクトである。これにより,コンパクトであって,複数個の電子部品を有する機能的なパッケージ部品およびその製造方法が実現されている。
【0030】
なお,本実施の形態は単なる例示にすぎず,本発明を何ら限定するものではない。したがって本発明は当然に,その要旨を逸脱しない範囲内で種々の改良,変形が可能である。例えば,第2の形態のICパッケージは,ICチップと複数のチップ部品とが混在したものであるが,同種の電子部品を含むものであってもよい。また,ICチップは,ICそのものであってもよいし,既にパッケージ済みのものであってもよい。
【0031】
【発明の効果】
以上の説明から明らかなように本発明によれば,製造が容易であって,表面の平坦性が高く,コンパクトなパッケージ部品およびその製造方法が提供されている。
【図面の簡単な説明】
【図1】第1の形態に係るICパッケージを示す図である。
【図2】ICパッケージの端子部分を示す拡大図である。
【図3】第1の形態に係るICパッケージの製造工程を示す図である。
【図4】ICパッケージを実装した状態を示す図(第1の形態)である。
【図5】ICチップの下面にパターン層を有するICパッケージを示す断面図である。
【図6】第2の形態に係るICパッケージを示す図である。
【図7】第2の形態に係るICパッケージの製造工程を示す図である。
【図8】ICパッケージを実装した状態を示す図(第2の形態)である。
【図9】従来の形態に係るICパッケージを示す図である。
【図10】従来の形態に係るICパッケージの製造工程を示す図である。
【符号の説明】
10,20  ICパッケージ
11,21  ICチップ
12,22  樹脂(モールド樹脂)
13,23  銅箔
14     パッド
24     パターン層
25     チップ部品
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a package component in which an electronic component is molded with a resin and a method for manufacturing the same. More particularly, the present invention relates to a compact package component which is easy to manufacture and a method of manufacturing the same.
[0002]
[Prior art]
Conventionally, the IC package 30 has a structure in which the entire IC chip 31 is covered with a mold resin 32 as shown in FIG. The IC package 30 has leads 33. One end of the lead 33 contacts the terminal 38 of the IC chip 31 in the mold resin 32, and the other end protrudes outside from the side surface of the IC package 30.
[0003]
Such an IC package 30 is manufactured by a process as shown in FIG. First, an IC chip 31 is prepared (FIG. 10A). Next, the IC chip 31 is arranged on the lead 33 formed for the IC chip 31, and the lead 33 and the terminal 38 of the IC chip 31 are joined (FIG. 10B). Next, the IC chip 31 is molded with the resin 32 (FIG. 10C). Thereby, the entire IC chip 31 is covered with the resin 32. At this time, one end of the lead 33 protrudes outside to enable input / output to / from the IC chip 31. Thereafter, the IC package 30 is manufactured by bending the leads 30 as shown (FIG. 10D).
[0004]
[Problems to be solved by the invention]
However, the conventional technique described above has the following problems. That is, the leads 33 are extremely thin and thin-film components, and have very low mechanical strength. Therefore, it is not easy to correctly align the leads 33 with the positions of the terminals 38 of the IC chip 31. Further, since the leads 33 protrude from the side surface, the size of the IC package 30 as a whole in the width direction is large. The thickness of the resin covering the terminals 38 and the leads 33 is about 600 to 1000 μm, and the size in the thickness direction is large. In addition, this must be considered in the design of the device, and the size of the product in which the IC package 30 is incorporated increases. Further, the IC package 30 molded with resin has irregularities of about 20 to 100 μm and has low flatness. Further, one or at most a few IC packages 30 can be manufactured in one manufacturing cycle. Therefore, productivity is very low.
[0005]
The present invention has been made in order to solve the problems of the above-described conventional technology. That is, an object of the present invention is to provide a compact package component which is easy to manufacture, has high surface flatness, and has a compact manufacturing method.
[0006]
[Means for Solving the Problems]
A package component made for the purpose of solving this problem is a package component in which an electronic component having terminals on one side is packaged, and has a pattern layer bonded to the terminal of the electronic component. The conductive foil is patterned so that the pattern exists directly above the terminal of the component. The electronic component is molded with resin, and the thickness of the resin molded on the terminal surface of the electronic component is the height of the terminal of the electronic component. Less than.
[0007]
The package component of the present invention has a pattern layer in which a conductive foil is patterned just above the terminals of the electronic component. The terminal of the electronic component can be accessed via the pattern layer. That is, the package component of the present invention does not need to be provided with a lead. Therefore, it is more compact in the width direction than the conventional package parts. The thickness of the resin on the terminal surface of the electronic component is equal to or less than the height of the terminal of the electronic component. Therefore, it is more compact in the thickness direction than the conventional package parts. If the pattern layer on the surface is originally formed from one conductive foil, the thickness is uniform. Therefore, the flatness of the surface of the package component is high.
[0008]
Further, the package component of the present invention may include a plurality of electronic components, and each of the electronic components may have a terminal joined to the pattern layer. In this package component, the electronic component and at least one of the other electronic components can be electrically connected via the pattern layer. Accordingly, there has been provided a package component that is modularized by combining the functions of a plurality of electronic components.
[0009]
Also, the package component of the present invention has a stacking layer including an interlayer connection structure in which insulating layers and wiring layers are alternately stacked on a pattern layer, and a terminal of the electronic component is provided on the uppermost layer of the stacking layer. May be provided with a pad for accessing the device. That is, in this package component, various circuits can be built in the stacked layer portion.
[0010]
Further, the method for manufacturing a package component according to the present invention is a method for manufacturing a package component in which an electronic component having terminals on one surface is packaged. A first step of placing the electronic component and the conductor foil together so as to face the foil, and a second step of molding the electronic component joined to the conductor foil in the first step with a resin; After the step, a third step of patterning the conductive foil so that the pattern is present immediately above the terminal of the electronic component.
[0011]
In the method for manufacturing a package component according to the present invention, first, terminals of the electronic component are joined to one surface of the conductive foil. Next, the joined electronic components are molded with resin. Then, the conductor foil is patterned so that the pattern exists directly above the terminals of the electronic component. In this manufacturing method, when the conductor foil is patterned, the resin has a certain mechanical strength because it is molded. Therefore, alignment can be easily performed.
[0012]
In the method for manufacturing a package component according to the present invention, in a first step, electronic components corresponding to a plurality of package parts are joined to a conductor foil, and after a third step, the resin molded in the second step is cut. Alternatively, individual package components may be obtained. Thereby, a plurality of package components can be manufactured in one manufacturing cycle. Therefore, the manufacturing method of the package component of the present invention has high productivity.
[0013]
In the method of manufacturing a package component according to the present invention, a plurality of electronic components may be joined to the conductive foil in the first step to obtain a package component including the plurality of electronic components. As a result, a functional package component containing a plurality of electronic components can be manufactured.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following embodiment, the present invention is applied to an IC package having an IC component and a method of manufacturing the same.
[0015]
[First form]
As shown in FIG. 1, an IC package 10 of the first embodiment includes an IC chip 11, a mold resin 12 covering the IC chip 11, and pads 14 provided on the lower surface of the IC chip 11 in FIG. I have.
[0016]
On the lower surface of the IC chip 11 in FIG. 1, terminals 18 of the IC chip 11 are provided as shown in FIG. 2, and pads 14 are formed immediately above the terminals (in FIG. 1 directly below). . The space between the IC chip 11 and the pad 14 is also filled with the mold resin 12. The distance between the IC chip 11 and the pad 14 is almost equal to the height of the terminal 18 (about 10 to 50 μm). Note that, in the drawings other than FIG. 2, the portion of the terminal 18 and the mold resin between the IC chip 11 and the pad 14 are omitted.
[0017]
The IC package 10 is manufactured according to the procedure shown in FIG. First, an IC chip 11 and a copper foil 13 are prepared. Then, the IC chip 11 is placed so that the surface having the terminals 18 (hereinafter referred to as “terminal surface”) and the copper foil 13 face each other (FIG. 3A). At this time, all the prepared IC chips 11 are placed on the same surface of the copper foil 13. In this embodiment, copper foil is used, but iron or aluminum may be used instead of copper. The thickness of the copper foil 13 is about 9 to 35 μm. Next, the IC chip 11 is mounted on the copper foil 13 (FIG. 3B). The term “mounting” as used herein means that the terminal 18 provided on the terminal surface and the copper foil 13 are joined to be electrically connected. This mounting step may be performed by, for example, metal bonding, pressure welding, ACF / ACP connection, ultrasonic bonding, resin bump bonding, conductive paste bonding, or the like. As shown in FIG. 4, a plurality of IC chips 11 are mounted on the copper foil 13 in a grid pattern. Actually, there is a gap between the IC chip 11 and the copper foil 13 equivalent to the height of the terminal 18 (see FIG. 2).
[0018]
Next, the IC chip 11 is molded with the resin 12 (FIG. 3C). As the resin 12, a thermosetting resin such as an epoxy resin or a thermoplastic resin such as LCP can be used. Actually, the space between the IC chip 11 and the copper foil 13 is also filled with the resin (see FIG. 2).
[0019]
Next, the pads 14 are formed by patterning the copper foil 13 (FIG. 3D). The pad 14 is formed immediately above the terminal 18 of the IC chip 11 (directly below in FIG. 3). Also, since it is originally a copper foil 13, the surface irregularities are about 5 to 10 μm. Therefore, the surface flatness is higher than that of the conventional IC package. Further, since the IC chip 11 is molded with the resin 12, it is not affected by an etching solution or the like at the time of patterning. In addition, physical impact during handling is reduced.
[0020]
Finally, the mold resin 12 is cut (FIG. 3E). In this cut, the mold resin 12 in the gap between the IC chip 11 and another IC chip 11 is cut in the thickness direction (up and down in FIG. 3). Thereby, the IC package 10 in which the IC chip 11 is covered with the mold resin 12 is manufactured. Further, a plurality of IC packages 10 are manufactured in one manufacturing cycle.
[0021]
Further, in the IC package 10, the pads 14 having a uniform thickness are formed on the terminal surfaces of the IC chip 11 as described above. Therefore, after forming the pads 14 (FIG. 3D), by further laminating and processing the insulating layer and the conductor layer, the IC package 100 having a circuit as shown in FIG. 5 can be formed. In the IC package 100, pads for accessing the terminals 18 of the IC chip 11 are provided on the pattern layer 19, which is the uppermost layer. Also, wiring patterns are formed on other conductor layers, and a circuit is formed by the stacked insulating layers and conductor layers.
[0022]
As described in detail above, in the method of manufacturing the IC package 10 of the present embodiment, first, a plurality of IC chips 11 are mounted on the same surface of the copper foil 13. Then, the IC chip 11 is molded with the resin 12. Next, the copper foil 13 is patterned to form pads 14 on the terminals of the IC chip 11. Finally, the IC package 10 is manufactured by cutting the mold resin 12. In this IC package 10, pads 14 are provided instead of the leads required for the conventional IC package. The pads 14 are formed by patterning the copper foil 13. Since the pad 14 is originally a single piece of copper foil 13, the thickness thereof is substantially uniform and the surface flatness is high. At the time of patterning, the resin 12 is molded and has some mechanical strength. Therefore, alignment can be easily performed. Further, since the IC chip 11 is covered with the resin 12, it is not affected by etching or the like at the time of patterning. As a result, a package component that can be easily manufactured and a manufacturing method thereof are realized.
[0023]
Further, since the leads do not protrude from the side, the IC package 10 itself is compact. This can be reflected in the design of the device. The thickness of the mold resin 12 filling the space between the IC chip 11 and the pad 14 is substantially equal to the height of the terminal 18. Therefore, the IC package 10 is thinner and more compact than an IC package in which the entire IC chip is covered with a thick mold resin.
[0024]
Further, a plurality of IC chips 11 are arranged in a grid and mounted. Therefore, about ten to several hundred IC packages 10 can be manufactured in one manufacturing cycle. Therefore, the productivity of the package component 10 is high.
[0025]
Further, an insulating layer and a conductor layer can be stacked on the pad 14. In the case of such a package component, a pad for accessing the terminal 18 of the IC chip 11 is formed on the pattern layer 19 which is the uppermost layer. Also, a wiring pattern is formed on each conductor layer. As a result, package components incorporating various circuits are provided.
[0026]
[Second embodiment]
As shown in FIG. 6, the IC package 20 of the second embodiment includes an IC chip 21, a chip component 25, a mold resin 22 which covers a part of the IC chip 21 and the chip component 25, an IC chip 21 and a chip component 25. And a pattern layer 24 provided on the terminal surface of the above. All terminals of the IC chip 21 and the chip component 25 are all joined to the pattern layer 24. As the chip component 25 here, a capacitor, an inductor, a resistor and the like correspond. Actually, as shown in FIG. 2, there are terminals of the IC chip 21 and the like between the IC chip 21 and the pattern layer 24, and the space between them is filled with the mold resin 22. The IC package 20 of the present embodiment differs from the first embodiment in that a plurality of electronic components are provided in one IC package.
[0027]
The IC package 20 is manufactured according to the procedure shown in FIG. First, an IC chip 21, a chip component 25, and a copper foil 23 are prepared. Then, the IC chip 21 and the chip component 25 are mounted on the copper foil 23 (FIG. 7A). At this time, all the IC chips 21 and the chip components 25 are mounted on the same surface of the copper foil 23. Therefore, as shown in FIG. 8, a plurality of IC chips 21 and a plurality of chip components 25 are mounted on the copper foil 23 in a mixed state. The components are grouped for each product (IC chip 20 in this embodiment).
[0028]
Next, the mounted IC chip 21 and chip component 25 are molded with the resin 22 (FIG. 7B). Next, a pattern layer 24 is formed by patterning the copper foil 23 (FIG. 7C). In this pattern layer 24, the state where the IC chip 21 and the chip component 25 are electrically connected is maintained. Next, the mold resin 22 is cut. Thus, the IC package 20 having the IC chip 21 and the chip component 25 is manufactured. Also, a plurality of IC packages 20 are manufactured in one manufacturing cycle. Note that, after the formation of the pattern layer 24, an insulating layer and a conductor layer are further laminated and processed to form an IC package having a built-in circuit.
[0029]
As described above in detail, in the method of manufacturing the IC package 20 according to the present embodiment, first, a plurality of chip components 25 are mounted together with the IC chip 21 on the same surface of the copper foil 23. Then, the IC chip 21 and the chip component 25 are molded with the resin 22, and thereafter, the copper foil 23 is patterned. Finally, the IC package 20 is manufactured by cutting the mold resin 22 for each product. Thus, an IC package 20 including a plurality of electronic components is manufactured. Also, a plurality of IC packages 20 can be manufactured in one manufacturing cycle. The manufactured IC package 20 has no leads and is compact. As a result, a compact and functional package component having a plurality of electronic components and a method of manufacturing the same are realized.
[0030]
Note that the present embodiment is merely an example, and does not limit the present invention in any way. Therefore, naturally, the present invention can be variously modified and modified without departing from the gist thereof. For example, the IC package of the second embodiment is a package in which an IC chip and a plurality of chip components are mixed, but may include electronic components of the same type. Further, the IC chip may be the IC itself, or may be an already packaged one.
[0031]
【The invention's effect】
As is apparent from the above description, according to the present invention, there is provided a compact package component which is easy to manufacture, has high surface flatness, and a method of manufacturing the same.
[Brief description of the drawings]
FIG. 1 is a diagram showing an IC package according to a first embodiment.
FIG. 2 is an enlarged view showing a terminal portion of an IC package.
FIG. 3 is a diagram showing a manufacturing process of the IC package according to the first embodiment.
FIG. 4 is a diagram showing a state in which an IC package is mounted (first embodiment);
FIG. 5 is a sectional view showing an IC package having a pattern layer on a lower surface of an IC chip.
FIG. 6 is a diagram showing an IC package according to a second embodiment.
FIG. 7 is a diagram showing a manufacturing process of the IC package according to the second embodiment.
FIG. 8 is a diagram (second embodiment) showing a state in which an IC package is mounted.
FIG. 9 is a view showing an IC package according to a conventional mode.
FIG. 10 is a diagram showing a manufacturing process of an IC package according to a conventional mode.
[Explanation of symbols]
10,20 IC package 11,21 IC chip 12,22 Resin (mold resin)
13, 23 Copper foil 14 Pad 24 Pattern layer 25 Chip component

Claims (6)

一面に端子を有する電子部品をパッケージしてなるパッケージ部品において,
前記電子部品の端子に接合されたパターン層を有し,
前記パターン層は,前記電子部品の端子の直上にパターンが存在するように導体箔をパターニングしたものであり,
前記電子部品は樹脂でモールドされ,
前記電子部品の端子面上をモールドする樹脂の厚さは,前記電子部品の端子の高さ以下であることを特徴とするパッケージ部品。
In a package component that is a package of electronic components that have terminals on one side,
A pattern layer joined to a terminal of the electronic component;
The pattern layer is formed by patterning a conductive foil so that a pattern exists immediately above a terminal of the electronic component;
The electronic component is molded with resin,
A package component, wherein a thickness of a resin for molding a terminal surface of the electronic component is not more than a height of a terminal of the electronic component.
請求項1に記載するパッケージ部品において,
複数の電子部品を含み,各電子部品ともその端子が前記パターン層に接合されていることを特徴とするパッケージ部品。
The package component according to claim 1,
A package component comprising a plurality of electronic components, and each electronic component has its terminal bonded to the pattern layer.
請求項1に記載するパッケージ部品において,
前記パターン層上に,絶縁層と配線層とを交互に積層してなるとともに層間接続構造を含む積み上げ層を有し,
前記積み上げ層の最上層に,前記電子部品の端子にアクセスするパッドを有することを特徴とするパッケージ部品。
The package component according to claim 1,
An insulating layer and a wiring layer are alternately laminated on the pattern layer, and a stacked layer including an interlayer connection structure is provided.
A package component having a pad for accessing a terminal of the electronic component on an uppermost layer of the stacking layer.
一面に端子を有する電子部品をパッケージしてなるパッケージ部品の製造方法において,
導体箔の一方の面上に電子部品を,その端子面が導体箔と向き合うように載置し,電子部品の端子と導体箔とを接合する第1工程と,
前記第1工程にて前記導体箔に接合された電子部品を樹脂でモールドする第2工程と,
前記第2工程後に,前記導体箔を,電子部品の端子の直上にパターンが存在するようにパターニングする第3工程とを含むことを特徴とするパッケージ部品の製造方法。
In a method of manufacturing a package component in which an electronic component having terminals on one side is packaged,
A first step of placing an electronic component on one surface of the conductive foil with its terminal surface facing the conductive foil and joining the terminal of the electronic component to the conductive foil;
A second step of molding the electronic component bonded to the conductive foil in the first step with a resin;
After the second step, a third step of patterning the conductive foil so that a pattern is present immediately above the terminal of the electronic component.
請求項4に記載するパッケージ部品の製造方法において,
前記第1工程にて,複数個のパッケージ部品に相当する電子部品を導体箔に接合し,
前記第3工程後に,前記第2工程にてモールドした樹脂をカットして個別のパッケージ部品を得ることを特徴とするパッケージ部品の製造方法。
The method for manufacturing a package component according to claim 4,
In the first step, electronic components corresponding to a plurality of package components are joined to a conductive foil,
After the third step, a method for manufacturing a package component, wherein the resin molded in the second step is cut to obtain individual package components.
請求項4に記載するパッケージ部品の製造方法において,
前記第1工程にて複数個の電子部品を導体箔に接合し,
複数個の電子部品を含むパッケージ部品を得ることを特徴とするパッケージ部品の製造方法。
The method for manufacturing a package component according to claim 4,
In the first step, a plurality of electronic components are joined to a conductive foil,
A method for manufacturing a package component, comprising obtaining a package component including a plurality of electronic components.
JP2002248284A 2002-08-28 2002-08-28 Package component and its manufacturing method Pending JP2004087895A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005101507A (en) * 2003-08-21 2005-04-14 Seiko Epson Corp Method of manufacturing electronic component package and method of manufacturing electrooptic device
CN103745958A (en) * 2013-12-05 2014-04-23 南通富士通微电子股份有限公司 Packaging structure
CN103915355A (en) * 2013-12-05 2014-07-09 南通富士通微电子股份有限公司 Package structure forming method
JPWO2016039387A1 (en) * 2014-09-10 2017-04-27 株式会社東芝 Winding type electrode group, electrode group and non-aqueous electrolyte battery

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07221422A (en) * 1994-01-31 1995-08-18 Mitsui Mining & Smelting Co Ltd Printed circuit board and production thereof
JPH11345840A (en) * 1998-06-01 1999-12-14 Mitsui Mining & Smelting Co Ltd Film carrier tape for mounting electronic parts
JP2001250887A (en) * 2000-03-08 2001-09-14 Sanyo Electric Co Ltd Manufacturing method of circuit device
JP2001332654A (en) * 2000-03-17 2001-11-30 Matsushita Electric Ind Co Ltd Module provided with built-in electric element and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07221422A (en) * 1994-01-31 1995-08-18 Mitsui Mining & Smelting Co Ltd Printed circuit board and production thereof
JPH11345840A (en) * 1998-06-01 1999-12-14 Mitsui Mining & Smelting Co Ltd Film carrier tape for mounting electronic parts
JP2001250887A (en) * 2000-03-08 2001-09-14 Sanyo Electric Co Ltd Manufacturing method of circuit device
JP2001332654A (en) * 2000-03-17 2001-11-30 Matsushita Electric Ind Co Ltd Module provided with built-in electric element and manufacturing method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005101507A (en) * 2003-08-21 2005-04-14 Seiko Epson Corp Method of manufacturing electronic component package and method of manufacturing electrooptic device
CN103745958A (en) * 2013-12-05 2014-04-23 南通富士通微电子股份有限公司 Packaging structure
CN103915355A (en) * 2013-12-05 2014-07-09 南通富士通微电子股份有限公司 Package structure forming method
US9397070B2 (en) 2013-12-05 2016-07-19 Nantong Fujitsu Microelectronics Co., Ltd. Method for forming package structure
US9485868B2 (en) 2013-12-05 2016-11-01 Nantong Fujitsu Microelectronics Co., Ltd. Package structure
JPWO2016039387A1 (en) * 2014-09-10 2017-04-27 株式会社東芝 Winding type electrode group, electrode group and non-aqueous electrolyte battery
US10505233B2 (en) 2014-09-10 2019-12-10 Kabushiki Kaisha Toshiba Wound electrode group, electrode group, and nonaqueous electrolyte battery

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