JP2005026691A - ボールボンディングにおいて小径ワイヤにより構成されたボンドの強度を増加するシステム及び方法 - Google Patents
ボールボンディングにおいて小径ワイヤにより構成されたボンドの強度を増加するシステム及び方法 Download PDFInfo
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- JP2005026691A JP2005026691A JP2004194272A JP2004194272A JP2005026691A JP 2005026691 A JP2005026691 A JP 2005026691A JP 2004194272 A JP2004194272 A JP 2004194272A JP 2004194272 A JP2004194272 A JP 2004194272A JP 2005026691 A JP2005026691 A JP 2005026691A
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- Prior art keywords
- wire bond
- cavity
- wire
- substrate
- bond pad
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000000758 substrate Substances 0.000 claims abstract description 89
- 239000000463 material Substances 0.000 claims description 45
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 230000000452 restraining effect Effects 0.000 claims description 13
- 238000002161 passivation Methods 0.000 claims description 12
- 230000001788 irregular Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 4
- 238000000576 coating method Methods 0.000 claims 4
- 239000000126 substance Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
【解決手段】 本発明によれば、ボールボンドを受取る構成体が、基板キャビティを形成する部分を具備する基板物質及び基板キャビティを被覆し且つ充填するワイヤボンドパッドを有している。ワイヤボンドパッドはボールボンドを受取るワイヤボンドキャビティを形成する部分を具備している。ボールがワイヤボンドキャビティの側部及び底部へワイヤボンドされる。ワイヤボンドキャビティの側部は、ワイヤに作用する場合のある剪断力及び引張り力に対向するためにボンドに対して付加的な強度を与える。
【選択図】 図2
Description
210 基板キャビティ
215 表面
230 ワイヤボンドパッド
240 ワイヤボンドキャビティ
270 パッシベーション物質
Claims (22)
- ワイヤボンドを受取る構成体を製造する方法において、
その中に基板キャビティを形成する部分を具備する基板物質を製造し、
前記基板キャビティをワイヤボンドパッドの一部で充填して前記ワイヤボンドパッド内にワイヤボンドキャビティを形成し、
前記ワイヤボンドパッドの端部部分をパッシベーション物質で被覆する、
上記各ステップを有していることを特徴とする方法。 - 請求項1において、更に、
前記ワイヤボンドキャビティの少なくとも1つの側部を形成する部分で前記ワイヤボンドキャビティを製造する、
上記ステップを有していることを特徴とする方法。 - 請求項1において、更に、
円形状、楕円状、正方形、矩形及び異形のうちの少なくとも1つである断面形状を具備するワイヤボンドキャビティを形成する一部で前記ワイヤボンドキャビティを製造する、
上記ステップを有していることを特徴とする方法。 - ワイヤボンドを受取る構成体へワイヤをワイヤボンドさせる方法において、
その中に基板キャビティを形成する部分を具備する基板物質を製造し、
前記基板キャビティをワイヤボンドパッドの一部で充填して前記ワイヤボンドパッド内にワイヤボンドキャビティを形成し、
前記ワイヤボンドパッドの端部部分をパッシベーション物質で被覆し、
前記ワイヤの一端部上のボールを前記ワイヤボンドキャビティへワイヤボンドさせる、
上記各ステップを有していることを特徴とする方法。 - 請求項4において、更に、
前記ワイヤボンドキャビティの少なくとも1つの側部を形成する一部で前記ワイヤボンドキャビティを製造する、
上記ステップを有していることを特徴とする方法。 - 請求項4において、更に、
円形状、楕円状、正方形、矩形状及び異形のうちの1つである断面形状を有するワイヤボンドキャビティを形成する一部で前記ワイヤボンドキャビティを製造する、
上記ステップを有していることを特徴とする方法。 - ワイヤボンドを受取る構成体において、
その中に基板キャビティを形成する部分を具備している基板物質、
前記基板キャビティを被覆するワイヤボンドパッドであって、前記ワイヤボンドパッドの一部が前記基板キャビティを充填して前記ワイヤボンドパッド内にワイヤボンドキャビティを形成するワイヤボンドパッド、
前記ワイヤボンドパッドの端部部分を被覆するパッシベーション物質、
を有していることを特徴とする構成体。 - 請求項7において、前記ワイヤボンドキャビティが、前記ワイヤボンドキャビティの少なくとも1つの側部を形成する部分を有していることを特徴とする構成体。
- 請求項7において、更に、ワイヤの一端部上のボールを有しており、前記ボールが前記ワイヤボンドキャビティへワイヤボンドされることを特徴とする構成体。
- 請求項9において、前記ワイヤの直径が前記ワイヤボンドキャビティの直径よりも5%乃至20%だけより小さいことを特徴とする構成体。
- 請求項7に記載したワイヤボンドを受取る少なくとも1個の構成体を有する集積回路。
- ワイヤボンドを受取る構成体を製造する方法において、
その中に基板キャビティを形成し且つ前記基板キャビティの周りに基板物質の抑制端部を形成する部分を具備している基板物質を製造し、
前記基板キャビティをワイヤボンドパッドの一部で充填して前記ワイヤボンドパッド内にワイヤボンドキャビティを形成し、前記ワイヤボンドパッドは前記ワイヤボンドキャビティ周りの抑制端部を形成する部分を具備しており、
前記ワイヤボンドパッドの端部部分をパッシベーション物質で被覆する、
上記各ステップを有していることを特徴とする方法。 - 請求項12において、更に、
前記ワイヤボンドキャビティを前記ワイヤボンドキャビティの少なくとも1つの側部を形成する部分で製造する、
上記ステップを有していることを特徴とする方法。 - 請求項12において、更に、
円形状、楕円状、正方形、矩形状及び異形のうちの1つである断面形状を有するワイヤボンドキャビティを形成する部分で前記ワイヤボンドキャビティを製造する、
上記ステップを有していることを特徴とする方法。 - ワイヤボンドを受取る構成体へワイヤをワイヤボンドさせる方法において、
その中に基板キャビティを形成し且つ前記基板キャビティの周りに基板物質の抑制端部を形成する部分を具備している基板物質を製造し、
前記基板キャビティをワイヤボンドパッドの一部で充填して前記ワイヤボンドパッド内にワイヤボンドキャビティを形成し、前記ワイヤボンドパッドは前記ワイヤボンドキャビティ周りの抑制端部を形成する部分を具備しており、
前記ワイヤボンドパッドの端部部分をパッシベーション物質で被覆し、
前記ワイヤの一端部上のボールを前記ワイヤボンドキャビティへワイヤボンドし、前記ワイヤボンドキャビティ周りの前記抑制端部下側の前記ワイヤボンドキャビティを充填する前記ボールの部分が抑制ウエッジを形成する、
上記各ステップを有していることを特徴とする方法。 - 請求項15において、更に、
前記ワイヤボンドキャビティを前記ワイヤボンドキャビティの少なくとも1つの側部を形成する部分で製造する、
上記ステップを有していることを特徴とする方法。 - 請求項15において、更に、
円形状、楕円状、正方形、矩形状及び異形のうちの1つである断面形状を有するワイヤボンドキャビティを形成する部分で前記ワイヤボンドキャビティを製造する、
上記ステップを有していることを特徴とする方法。 - ワイヤボンドを受取る構成体において、
その中に基板キャビティを形成し且つ前記基板キャビティの周りの基板物質からなる抑制端部を形成する部分を有している基板物質、
前記基板キャビティを被覆するワイヤボンドパッドであって、前記ワイヤボンドパッドの一部が前記基板キャビティを充填して前記ワイヤボンドパッド内にワイヤボンドキャビティを形成し、その場合に前記ワイヤボンドパッドは前記ワイヤボンドキャビティ周りの抑制端部を形成する部分を具備しているワイヤボンドパッド、
前記ワイヤボンドパッドの端部部分を被覆するパッシベーション物質、
を有していることを特徴とする構成体。 - 請求項18において、前記ワイヤボンドキャビティが、前記ワイヤボンドキャビティの少なくとも1つの側部を形成する部分を有していることを特徴とする構成体。
- 請求項18において、更に、ワイヤの一端部上のボールを有しており、前記ボールは前記ワイヤボンドキャビティへワイヤボンドされ、且つ前記ワイヤボンドキャビティ周りの前記抑制端部下側の前記ワイヤボンドキャビティを充填する前記ボールの部分が抑制ウエッジを形成する、ことを特徴とする構成体。
- 請求項18において、前記ワイヤの直径が前記ワイヤボンドキャビティの直径よりも5%乃至20%だけより小さいことを特徴とする構成体。
- 請求項18に記載したワイヤボンドを受取る少なくとも1個の構成体を有する集積回路。
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US10/611,578 US6908787B2 (en) | 2003-07-01 | 2003-07-01 | System and method for increasing the strength of a bond made by a small diameter wire in ball bonding |
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US10277235B2 (en) | 2015-04-15 | 2019-04-30 | Mitsubishi Electric Corporation | Synthesizer |
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KR100630736B1 (ko) | 2005-01-28 | 2006-10-02 | 삼성전자주식회사 | 반도체 소자의 범프 및 제조 방법 |
US8138080B2 (en) * | 2006-03-10 | 2012-03-20 | Stats Chippac Ltd. | Integrated circuit package system having interconnect stack and external interconnect |
DE102006025868A1 (de) * | 2006-06-02 | 2007-12-06 | Robert Bosch Gmbh | Bonddraht und Bondverbindung mit einem Bonddraht |
US20080293235A1 (en) * | 2007-05-22 | 2008-11-27 | Harris Corporation | Compound wirebonding and method for minimizing integrated circuit damage |
US8153517B2 (en) * | 2009-06-14 | 2012-04-10 | Terepac Corporation | Processes and structures for IC fabrication |
US8513110B2 (en) * | 2009-06-14 | 2013-08-20 | Jayna Sheats | Processes and structures for beveled slope integrated circuits for interconnect fabrication |
WO2011156500A2 (en) * | 2010-06-08 | 2011-12-15 | The Board Of Trustees Of The University Of Illinois | Electrochemical methods for wire bonding |
WO2012049087A2 (en) * | 2010-10-13 | 2012-04-19 | Abb Research Ltd | Semiconductor module and method of manufacturing a semiconductor module |
US20170064821A1 (en) * | 2015-08-31 | 2017-03-02 | Kristof Darmawikarta | Electronic package and method forming an electrical package |
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US20050003584A1 (en) | 2005-01-06 |
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EP1494280B1 (en) | 2007-11-07 |
US7482260B2 (en) | 2009-01-27 |
US7265452B2 (en) | 2007-09-04 |
US6908787B2 (en) | 2005-06-21 |
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US20050150933A1 (en) | 2005-07-14 |
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