JP2004282056A - 半導体装置、半導体素子の製造方法、および半導体装置の製造方法 - Google Patents
半導体装置、半導体素子の製造方法、および半導体装置の製造方法 Download PDFInfo
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- 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
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- H01L2224/32145—Disposition the layer connector connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being stacked
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- 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
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- 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
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- 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
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- 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
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Abstract
【解決手段】 半導体装置100は、インターポーザー18と、インターポーザー18上に形成され、センターパッド23が素子形成面に形成された半導体素子10と、センターパッドとインターポーザー18とを電気的に接続するボンディングワイヤ20とを含み、ボンディングワイヤ20が通過する半導体素子10の素子形成面の縁部がテーパ状に形成されている。半導体素子10の上には第二の接着層付き半導体素子106が配置されている。
【選択図】 図1
Description
本実施の形態において、第一の接着層付き半導体素子16および第二の接着層付き半導体素子106をそれぞれ準備し、第一の接着層付き半導体素子16の上に第二の接着層付き半導体素子106を積層することにより、半導体装置100を製造する。第一の接着層付き半導体素子16および第二の接着層付き半導体素子106の製造手順については後述する。
図5(a)において、破線120は半導体基板101の素子形成面に形成された素子毎の外縁を示す。図5(b)は、図4(d)で説明した接着層104を選択的に除去した後の半導体基板101を示す図である。接着層104は、素子毎の外縁(破線120)に沿って、所定幅で部分的に除去される。その後、素子毎の外縁に沿って半導体基板101が切断される。これにより、図4(f)に示したような第二の接着層付き半導体素子106が得られる。
[1] 入出力用端子が半導体素子中央部に一列に配置されている第1の半導体素子(以後センターパッド素子と呼称)上に第2の半導体素子(以後積層素子と呼称)を積層し、一つの半導体パッケージに収納する構造とし、センターパッド素子がワイヤボンディングによる金線を介して半導体パッケージ外部と接続することを特徴とする半導体装置の製造方法、
[2] 積層素子の機能面裏側に予め接着剤を供給してなる[1]に記載の半導体装置の製造方法、
[3] 予め供給される接着剤の厚みがワイヤボンディングに用いられる金線の太さの125%以上500%以下であり、積層素子を積層する際に接着剤がセンターパッド素子上の金線を包み込みつつ固定するとともにセンターパッド素子と積層素子とを接着する[1]または[2]に記載の半導体装置の製造方法、
[4] センターパッド素子を個片化する際に、機能面端部をベベルカットの手法により研削する[1][2]または[3]に記載の半導体装置の製造方法、
[5] 接着剤端部が積層素子端部より内側にあるように接着剤を供給する[2]に記載の半導体装置の製造方法。
[6] [1]〜[5]のいずれかに記載の製造方法により製造された半導体装置。
11 半導体基板
12 接着層
14 切欠部
16 第一の接着層付き半導体素子
18 インターポーザー
20 ボンディングワイヤ
22 封止材
23 センターパッド
24 センターパッド
30 角度付き成形ブレード
32 ダイシング用ブレード
100 半導体装置
101 半導体基板
102 半導体素子
104 接着層
106 接着層付き半導体素子
108 インターポーザー
110 ボンディングワイヤ
112 半田ボール
114 封止材
122 回転砥石
124 ダイシング用ブレード
Claims (10)
- 基材と、
素子形成面にセンターパッドが設けられ、前記基材上にフェイスアップ実装された第一の半導体素子と、
前記基材の所定箇所と前記センターパッドとを接続するボンディングワイヤと、
を含み、
前記ボンディングワイヤと交差する前記第一の半導体素子の前記素子形成面の縁部が、テーパ形状を有する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、
前記縁部が、ベベルカットによりテーパ状に形成された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、
前記第一の半導体素子の前記素子形成面上に設けられた第二の半導体素子と、
前記第一の半導体素子と前記第二の半導体素子との間に設けられ、前記センターパッドを封止する接着層と、
をさらに含むことを特徴とする半導体装置。 - 請求項3に記載の半導体装置において、
前記接着層の厚みが前記ボンディングワイヤの直径よりも大きいことを特徴とする半導体装置。 - 請求項3または4に記載の半導体装置において、
前記接着層は、前記第二の半導体素子と接着する接着面において、当該第二の半導体素子よりも小さく形成されたことを特徴とする半導体装置。 - 素子形成面にセンターパッドが形成された複数の半導体素子を製造する方法であって、
複数の素子が形成された半導体基板を素子形成面側から前記素子毎の外縁に沿ってテーパ状の刃を有する第一の切断機で部分的に除去する工程と、
前記第一の切断機よりも幅が狭い第二の切断機で前記半導体基板を切断する工程と、
を含むことを特徴とする半導体素子の製造方法。 - 請求項6に記載の半導体素子の製造方法において、
前記半導体基板の前記素子形成面の反対面全面に接着層を貼り付ける工程をさらに含み、
前記半導体基板を切断する工程において、前記半導体基板とともに前記接着層も切断することを特徴とする半導体素子の製造方法。 - 請求項6または7に記載の半導体素子の製造方法により形成された第一の半導体素子上に、接着層が素子形成面の反対面に接着された第二の半導体素子を積層し、前記第一の半導体素子の前記センターパッドを、前記第二の半導体素子の前記接着層により封止する工程を含む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、
前記第一の半導体素子は、基材上にフェイスアップ実装され、
前記センターパッドは、前記基材の所定箇所とボンディングワイヤを介して接続され、
前記第二の半導体素子の前記接着層の厚みが前記ボンディングワイヤの直径よりも大きい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、
前記接着層の前記第二の半導体素子と接する面と反対側の面は、前記第一の半導体素子の前記素子形成面よりも小さく形成されたことを特徴とする半導体装置の製造方法。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006278520A (ja) * | 2005-03-28 | 2006-10-12 | Toshiba Corp | 積層型電子部品の製造方法 |
JP2006294795A (ja) * | 2005-04-08 | 2006-10-26 | Toshiba Corp | 半導体装置およびその製造方法 |
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JPS5999747A (ja) * | 1982-11-29 | 1984-06-08 | Toshiba Corp | 半導体装置 |
JPH05102300A (ja) * | 1991-10-07 | 1993-04-23 | Mitsubishi Electric Corp | 半導体装置 |
JPH11251493A (ja) * | 1998-02-27 | 1999-09-17 | Fujitsu Ltd | 半導体装置及びその製造方法及びその搬送トレイ及び半導体基板の製造方法 |
JP2001176916A (ja) * | 1999-12-17 | 2001-06-29 | Hitachi Ltd | 半導体装置の製造方法 |
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JP2001308262A (ja) * | 2000-04-26 | 2001-11-02 | Mitsubishi Electric Corp | 樹脂封止bga型半導体装置 |
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JP2002299547A (ja) * | 2001-03-29 | 2002-10-11 | Matsushita Electric Ind Co Ltd | 積層型半導体装置およびその製造方法 |
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2004
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Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5999747A (ja) * | 1982-11-29 | 1984-06-08 | Toshiba Corp | 半導体装置 |
JPH05102300A (ja) * | 1991-10-07 | 1993-04-23 | Mitsubishi Electric Corp | 半導体装置 |
JPH11251493A (ja) * | 1998-02-27 | 1999-09-17 | Fujitsu Ltd | 半導体装置及びその製造方法及びその搬送トレイ及び半導体基板の製造方法 |
JP2001176916A (ja) * | 1999-12-17 | 2001-06-29 | Hitachi Ltd | 半導体装置の製造方法 |
JP2001185576A (ja) * | 1999-12-27 | 2001-07-06 | Hitachi Ltd | 半導体装置 |
JP2001308262A (ja) * | 2000-04-26 | 2001-11-02 | Mitsubishi Electric Corp | 樹脂封止bga型半導体装置 |
JP2002226796A (ja) * | 2001-01-29 | 2002-08-14 | Hitachi Chem Co Ltd | ウェハ貼着用粘着シート及び半導体装置 |
JP2002256235A (ja) * | 2001-03-01 | 2002-09-11 | Hitachi Chem Co Ltd | 接着シート、半導体装置の製造方法および半導体装置 |
JP2002299547A (ja) * | 2001-03-29 | 2002-10-11 | Matsushita Electric Ind Co Ltd | 積層型半導体装置およびその製造方法 |
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JP2006278520A (ja) * | 2005-03-28 | 2006-10-12 | Toshiba Corp | 積層型電子部品の製造方法 |
JP4594777B2 (ja) * | 2005-03-28 | 2010-12-08 | 株式会社東芝 | 積層型電子部品の製造方法 |
JP2006294795A (ja) * | 2005-04-08 | 2006-10-26 | Toshiba Corp | 半導体装置およびその製造方法 |
JP4643341B2 (ja) * | 2005-04-08 | 2011-03-02 | 株式会社東芝 | 半導体装置 |
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