JP2009105437A - 半導体ダイの製造方法 - Google Patents
半導体ダイの製造方法 Download PDFInfo
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- H10W74/111—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed
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- H10W74/111—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed
- H10W74/129—Encapsulations, e.g. protective coatings characterised by their shape or disposition the semiconductor body being completely enclosed forming a chip-scale package [CSP]
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- H10W46/601—Marks applied to devices, e.g. for alignment or identification for use after dicing
- H10W46/607—Located on parts of packages, e.g. on encapsulations or on package substrates
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- H10W72/012—Manufacture or treatment of bump connectors, dummy bumps or thermal bumps
- H10W72/01251—Changing the shapes of bumps
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- H10W72/072—Connecting or disconnecting of bump connectors
- H10W72/07231—Techniques
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- H10W72/072—Connecting or disconnecting of bump connectors
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- H10W72/321—Structures or relative sizes of die-attach connectors
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- H10W72/30—Die-attach connectors
- H10W72/351—Materials of die-attach connectors
- H10W72/352—Materials of die-attach connectors comprising metals or metalloids, e.g. solders
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- H10W72/00—Interconnections or connectors in packages
- H10W72/30—Die-attach connectors
- H10W72/351—Materials of die-attach connectors
- H10W72/353—Materials of die-attach connectors not comprising solid metals or solid metalloids, e.g. ceramics
- H10W72/354—Materials of die-attach connectors not comprising solid metals or solid metalloids, e.g. ceramics comprising polymers
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- H—ELECTRICITY
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- H10W72/00—Interconnections or connectors in packages
- H10W72/851—Dispositions of multiple connectors or interconnections
- H10W72/853—On the same surface
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- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
- H10W90/736—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked lead frame, conducting package substrate or heat sink
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- Electrodes Of Semiconductors (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Die Bonding (AREA)
- Junction Field-Effect Transistors (AREA)
Abstract
【解決手段】主要な表面上に設けられる少なくとも1つの電極を有する複数のダイを半導体ウェーハに形成するステップと、前記半導体ウェーハの前記ダイの少なくとも1つの電極をマスク材料111で覆うステップと、前記各電極に向けて少なくとも1つの開口111a−111dを前記マスク材料に形成し、前記開口が前記各電極の底面に達するようにするステップと、前記各電極に向けて前記各開口の底面に少なくとも金属層を形成するステップと、前記半導体ウェーハから各ダイを個別化するステップとを有する。
【選択図】図23
Description
図1は、本発明を適用することができる一般的なパワーMOSFETを示す図である。このパワーMOSFETであるダイ30は、例えば、特許文献3に示されているタイプのダイであるが、シリコンボディ31、上面アルミニウム(すなわち、シリコンを1.0%含むアルミニウム)ソース電極32、アルミニウムゲート電極33、及び容易にはんだ付け可能な従来の三金属電極とすることができる底面ドレイン電極34を含んだ接合部を有する任意の種類のダイとすることができる。上面アルミニウム層は、適当な他の金属材料とすることもできる。接続は通常、ワイヤボンディングによってアルミニウム電極32及び33に対して実施される。
31 シリコンボディ
32 ソース電極
33 ゲート電極
34 ドレイン電極
36,37 コンタクトポスト
38 パッシベーション層
40,41 ソースコンタクト
45 金属クリップ
46 脚(leg)
48 ウェブ(web)
49 開口
60 導電性接着剤
61,62 ギャップ
70 モールドコンパウンド
80 クリップ
81 ウェブ
82,83,84 脚
82,83,84 突起
100 カップ形クリップ
101 表面
102,103 エポキシ
105 突起面
110 ウェーハ
111 ソルダマスク
111a−111d 開口
112a−112d 金属
Claims (24)
- 主要な表面上に設けられる少なくとも1つの電極を有する複数のダイを半導体ウェーハに形成するステップと、
前記半導体ウェーハの前記ダイの少なくとも1つの電極をマスク材料で覆うステップと、
前記各電極に向けて少なくとも1つの開口を前記マスク材料に形成し、前記開口が前記各電極の底面に達するようにするステップと、
前記各電極に向けて前記各開口の底面に少なくとも金属層を形成するステップと、
前記半導体ウェーハから各ダイを個別化するステップと
を有することを特徴とする半導体ダイの製造方法。 - 前記ダイが、パワー半導体デバイスであることを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記ダイが、パワーMOSFETであることを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記少なくとも1つの電極が、ソース電極であることを特徴とする請求項3に記載の半導体ダイの製造方法。
- 前記各ダイの前記主要な表面上に第2の電極を備えることを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記第2の電極が、ゲート電極であることを特徴とする請求項5に記載の半導体ダイの製造方法。
- 前記マスク材料が、フォトイメージ性のソルダマスクであることを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記マスク材料が、エポキシであることを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記エポキシが、感光性であることを特徴とする請求項8に記載の半導体ダイの製造方法。
- 前記マスク材料が、メッキレジストとして機能することを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記マスク材料が、パッシベーションとして機能することを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記マスク材料が、窒化シリコンからなることを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記開口するステップが、レチクルで行われることを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記開口するステップが、レーザエッチングで行われることを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記少なくとも1つの金属層が、メッキによって形成されることを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記少なくとも1つの金属層が、ニッケルからなることを特徴とする請求項15に記載の半導体ダイの製造方法。
- 前記1つの金属層の上面に第2の金属層を形成するステップを有することを特徴とする請求項1に記載の半導体ダイの製造方法。
- 前記第2の金属層が、金からなることを特徴とする請求項17に記載の半導体ダイの製造方法。
- 前記第2の金属層が、スズからなることを特徴とする請求項17に記載の半導体ダイの製造方法。
- 前記第2の金属層が、銅からなることを特徴とする請求項17に記載の半導体ダイの製造方法。
- 前記第2の金属層の上面に第3の金属層を形成するステップを有することを特徴とする請求項17に記載の半導体ダイの製造方法。
- 前記第3の金属層が、銀からなることを特徴とする請求項21に記載の半導体ダイの製造方法。
- 前記第2の金属層が、メッキされていることを特徴とする請求項17に記載の半導体ダイの製造方法。
- 前記第3の金属層が、メッキされていることを特徴とする請求項22に記載の半導体ダイの製造方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19452200P | 2000-04-04 | 2000-04-04 | |
| US09/819,774 US6624522B2 (en) | 2000-04-04 | 2001-03-28 | Chip scale surface mounted device and process of manufacture |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005226633A Division JP4343158B2 (ja) | 2000-04-04 | 2005-08-04 | 半導体デバイスのパッケージ製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2009105437A true JP2009105437A (ja) | 2009-05-14 |
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ID=26890112
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001573539A Expired - Fee Related JP3768158B2 (ja) | 2000-04-04 | 2001-03-29 | 半導体デバイス |
| JP2005226633A Expired - Fee Related JP4343158B2 (ja) | 2000-04-04 | 2005-08-04 | 半導体デバイスのパッケージ製造方法 |
| JP2009014534A Pending JP2009105437A (ja) | 2000-04-04 | 2009-01-26 | 半導体ダイの製造方法 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001573539A Expired - Fee Related JP3768158B2 (ja) | 2000-04-04 | 2001-03-29 | 半導体デバイス |
| JP2005226633A Expired - Fee Related JP4343158B2 (ja) | 2000-04-04 | 2005-08-04 | 半導体デバイスのパッケージ製造方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (6) | US6624522B2 (ja) |
| EP (1) | EP1287553A4 (ja) |
| JP (3) | JP3768158B2 (ja) |
| CN (1) | CN1316577C (ja) |
| AU (1) | AU2001249587A1 (ja) |
| TW (1) | TW503487B (ja) |
| WO (1) | WO2001075961A1 (ja) |
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- 2001-03-29 WO PCT/US2001/010074 patent/WO2001075961A1/en not_active Ceased
- 2001-03-29 EP EP01922828A patent/EP1287553A4/en not_active Withdrawn
- 2001-03-29 JP JP2001573539A patent/JP3768158B2/ja not_active Expired - Fee Related
- 2001-03-29 AU AU2001249587A patent/AU2001249587A1/en not_active Abandoned
- 2001-03-29 CN CNB018100015A patent/CN1316577C/zh not_active Expired - Fee Related
- 2001-04-03 TW TW090107971A patent/TW503487B/zh not_active IP Right Cessation
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2003
- 2003-08-05 US US10/634,453 patent/US6767820B2/en not_active Expired - Lifetime
- 2003-08-05 US US10/634,447 patent/US7122887B2/en not_active Expired - Lifetime
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2004
- 2004-06-07 US US10/863,530 patent/US6890845B2/en not_active Expired - Lifetime
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2005
- 2005-04-27 US US11/116,157 patent/US7253090B2/en not_active Expired - Lifetime
- 2005-08-04 JP JP2005226633A patent/JP4343158B2/ja not_active Expired - Fee Related
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2006
- 2006-06-05 US US11/446,878 patent/US7476979B2/en not_active Expired - Lifetime
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2009
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Also Published As
| Publication number | Publication date |
|---|---|
| JP3768158B2 (ja) | 2006-04-19 |
| JP4343158B2 (ja) | 2009-10-14 |
| US20040026796A1 (en) | 2004-02-12 |
| US7476979B2 (en) | 2009-01-13 |
| US20010048116A1 (en) | 2001-12-06 |
| TW503487B (en) | 2002-09-21 |
| EP1287553A1 (en) | 2003-03-05 |
| US20060220123A1 (en) | 2006-10-05 |
| CN1316577C (zh) | 2007-05-16 |
| JP2005354105A (ja) | 2005-12-22 |
| JP2004500720A (ja) | 2004-01-08 |
| US7253090B2 (en) | 2007-08-07 |
| EP1287553A4 (en) | 2007-11-07 |
| WO2001075961A1 (en) | 2001-10-11 |
| WO2001075961A8 (en) | 2002-02-07 |
| US20040224438A1 (en) | 2004-11-11 |
| US7122887B2 (en) | 2006-10-17 |
| AU2001249587A1 (en) | 2001-10-15 |
| US20050186707A1 (en) | 2005-08-25 |
| HK1057648A1 (en) | 2004-04-08 |
| US6890845B2 (en) | 2005-05-10 |
| CN1430791A (zh) | 2003-07-16 |
| US6624522B2 (en) | 2003-09-23 |
| US6767820B2 (en) | 2004-07-27 |
| US20040038509A1 (en) | 2004-02-26 |
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