JP4452767B2 - 半導体装置およびその製造方法 - Google Patents
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- JP4452767B2 JP4452767B2 JP2004127261A JP2004127261A JP4452767B2 JP 4452767 B2 JP4452767 B2 JP 4452767B2 JP 2004127261 A JP2004127261 A JP 2004127261A JP 2004127261 A JP2004127261 A JP 2004127261A JP 4452767 B2 JP4452767 B2 JP 4452767B2
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means 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
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition 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
- H01L2224/16221—Disposition 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
- H01L2224/16225—Disposition 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 non-metallic, e.g. insulating substrate with or without metallisation
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means 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
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition 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
- H01L2224/16221—Disposition 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
- H01L2224/16245—Disposition 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
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- H01L2224/01—Means 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
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer 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
- H01L2224/32221—Disposition the layer 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
- H01L2224/32225—Disposition the layer 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 non-metallic, e.g. insulating substrate with or without metallisation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45144—Gold (Au) as principal constituent
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48225—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 non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/48227—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 non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/73—Means for bonding being of different types provided for in two or more of groups H01L24/10, H01L24/18, H01L24/26, H01L24/34, H01L24/42, H01L24/50, H01L24/63, H01L24/71
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19107—Disposition of discrete passive components off-chip wires
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- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Description
本実施の形態においては、まず、積層する半導体チップ(半導体素子)を、それぞれサブストレート上に配置し、サブストレートと電気的に接合させる(S8)。ここで、サブストレートとしては、リジットプリント配線板、フレキシブルプリント配線板、セラミック基板等、その上に積層される半導体チップと他の半導体チップとを電気的に接続する導体回路を含むものを用いることができる。また、サブストレートと半導体チップとの電気的接合の方法としてはワイヤボンディング、半田ボール、金スタッドバンプ、導電ペースト、異方導電性等を用いることができる。
以下、最下層の封止体の製造工程を説明する。ここでは、サブストレートとして、プリント配線板102を用いた(図2(a))。プリント配線板102は、厚さ約100μmのFR5製プリント配線板である。つづいて、プリント配線板102上に、第一の半導体チップ104をフィルム状接着剤を用いてマウントした(図2(b))。第一の半導体チップ104は、素子形成面の中央部に直線状に配列された複数のパッドを有し、厚さ約80μmである。ここでは一つの第一の半導体チップ104しか示していないが、最下層の封止体は、プリント配線板102上に複数の第一の半導体チップ104を配置し、その状態で封止体を形成した。
ここでは、サブストレートとして、プリント配線板202を用いた(図3(a))。プリント配線板202は、厚さ約50μmのフレキシブルプリント配線板である。つづいて、プリント配線板202の所定の箇所にフィルム203を貼り付けた(図3(b))。フィルム203は、ノンコンダクティブフィルムである。
まず、図2に示した第一の封止体100上に、図3に示した第二の封止体200を積層した(図4(a))。これらは、フィルム状接着剤により接合した。ここで、第一の封止体100に含まれる枠材108が、第二の封止体200のプリント配線板202の周辺部と重なるように積層した。
[1] 半導体パッケージの動作を確認した後、動作を確認された複数の半導体パッケージを積層してマルチチップパッケージを製造するマルチチップパッケージの製造方法であって、積層される半導体パッケージと他の半導体パッケージとを金線により接続することを特徴とするマルチチップパッケージの製造方法、
[2] 半導体パッケージの少なくとも1つが、半導体素子を半導体素子との接続用端子、他のパッケージとの接続用端子及びそれらを接続する導体回路を有する有機サブストレート上に搭載し、電気的接続を行った後、半導体素子を封止樹脂により封止したものである[1]に記載のマルチチップパッケージの製造方法、
[3] 複数の半導体パッケージを積層する前に半導体パッケージの封止材上面を研磨し平坦化する[1]または[2]に記載のマルチチップパッケージの製造方法、
[4] 半導体装置を構成する封止材と略同じ高さの金属製若しくはシリコン製の部材を封止材内部若しくは端部に配置する[1]、[2]または[3]に記載のマルチチップパッケージの製造方法、
[5] [1]〜[4]のいずれかに記載の製造方法により製造されたマルチチップパッケージ。
102 プリント配線板
104 第一の半導体チップ
106 ボンディングワイヤ
108 枠材
110 封止樹脂
150 砥石
200 第二の封止体
202 プリント配線板
203 フィルム
204 第二の半導体チップ
210 封止樹脂
250 砥石
300 半導体装置
302 ボンディングワイヤ
304 封止樹脂
Claims (11)
- 第一の半導体チップを樹脂封止した第一の封止体と、
第二の半導体チップと、
が積層された積層体を含み、
前記第一の封止体は、前記樹脂の周囲または内部に、前記第一の半導体チップを囲むように設けられた、前記樹脂よりも熱伝導性の高い材料により構成された熱伝導部材である枠材を含み、当該枠材は、積層方向において、前記封止体と等しい高さに形成されたことを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記積層体は、前記第二の半導体チップが樹脂封止された第二の封止体と、前記第一の封止体とが積層された構造を有することを特徴とする半導体装置。 - 請求項1または2に記載の半導体装置において、
前記積層体がさらに樹脂封止されたことを特徴とする半導体装置。 - 請求項1乃至3いずれかに記載の半導体装置において、
パッケージ基板をさらに含み、
前記第一の封止体は、前記パッケージ基板上に配置され、前記第二の半導体チップは、前記第一の封止体上に配置されたことを特徴とする半導体装置。 - 請求項4に記載の半導体装置において、
前記パッケージ基板は、前記第一の半導体チップと、前記第二の半導体チップとを電気的に接続する導体回路を含むことを特徴とする半導体装置。 - 請求項1乃至5いずれかに記載の半導体装置において、
前記第一の封止体は、研磨により薄層化されたことを特徴とする半導体装置。 - 請求項1乃至6いずれかに記載の半導体装置において、
前記第二の半導体チップは、ボンディングワイヤを介して前記第一の半導体チップと電
気的に接続されたことを特徴とする半導体装置。 - 第一の半導体チップを封止樹脂により封止して封止体を形成する第一の工程と、
前記封止体と第二の半導体チップとを積層して積層体を形成する第二の工程と、
を含み、
前記第一の工程において、前記樹脂よりも熱伝導性の高い材料により構成された熱伝導部材による枠材を前記樹脂の周囲または内部に、前記第一の半導体チップを囲むように設け、積層方向に前記封止体と等しい高さに形成することを特徴とする半導体装置の製造方法。 - 請求項8に記載の半導体装置の製造方法において、
前記積層体を封止樹脂により封止する工程をさらに含むことを特徴とする半導体装置の製造方法。 - 請求項8または9に記載の半導体装置の製造方法において、
前記封止体を研磨により薄層化する工程をさらに含み、
前記積層体を形成する工程において、薄層化した前記封止体を積層することを特徴とする半導体装置の製造方法。 - 請求項8乃至10いずれかに記載の半導体装置の製造方法において、
前記封止体に含まれる前記第一の半導体チップの良否を検査する工程をさらに含み、
前記第一の半導体チップの動作を検査する工程で良品と判定された前記封止体を用いて、前記積層体を形成することを特徴とする半導体装置の製造方法。
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JP4452767B2 true JP4452767B2 (ja) | 2010-04-21 |
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