JP4270282B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP4270282B2 JP4270282B2 JP2007012741A JP2007012741A JP4270282B2 JP 4270282 B2 JP4270282 B2 JP 4270282B2 JP 2007012741 A JP2007012741 A JP 2007012741A JP 2007012741 A JP2007012741 A JP 2007012741A JP 4270282 B2 JP4270282 B2 JP 4270282B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 49
- 229910052751 metal Inorganic materials 0.000 claims description 115
- 239000002184 metal Substances 0.000 claims description 115
- 229920005989 resin Polymers 0.000 claims description 85
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- 239000000758 substrate Substances 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 46
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- 229910000679 solder Inorganic materials 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 37
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
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- 238000010438 heat treatment Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
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- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
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- 229910052737 gold Inorganic materials 0.000 description 1
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- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
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Description
発明1の半導体装置の製造方法によれば、IC素子を搭載するためのダイパッドとして、又は、IC素子の外部端子として複数本の金属支柱を利用することができ、任意に設定されるIC固定領域の形状及び大きさに応じて、複数本の金属支柱をダイパッド又は外部端子として使い分けることができる。即ち、金属支柱はダイパッドにもなるし外部端子にもなる。ダイパッドとして使用される金属支柱が第1の金属支柱であり、外部端子として使用される金属支柱が第2の金属支柱である。
このような方法によれば、金属支柱を任意の形状に加工することが容易となる。例えば、図8(a)に示すように、金属支柱の断面視での形状を、上下両側を太く、且つ、中心部分を細くすることが可能である。また、図8(b)及び(c)に示すように、金属支柱の断面形状を台形にしたり、逆台形にしたりすることも可能である。
このような方法によれば、金属支柱の一方の面側の外周面にメッキ層を形成することができる。従って、金属支柱の一方の面を例えばマザーボード等にハンダ付けする場合、金属支柱の一方の面からその外周面にかけてハンダを広く載せることができるので、金属支柱とマザーボードとを接合強度高く繋げることができる。
このような方法によれば、複数個のIC素子をベアチップの状態で1つのパッケージ内に納めた、いわゆるマルチチップモジュール(MCM)を提供することができる。
このような方法によれば、金属支柱のレイアウトを変えなくても、半導体装置の外部端子位置を実質的に変更できるので、発明9の配線基板の汎用性をさらに高めることができる。
発明9の半導体装置は、発明7又は発明8の半導体装置において、前記複数本の金属支柱の前記第2の面には、ハンダ接合用のメッキ層が形成されていることを特徴とするものである。
(1)第1実施形態
図1〜図6は、本発明の第1実施形態に係る配線基板50の製造方法を示す図である。詳しく説明すると、図1(a)、図2(a)及び図4(a)は下面図であり、図1(b)、図2(b)及び図4(b)は、図1(a)、図2(a)及び図4(a)をX1−X´1線、X2−X´2線、X4−X´4線でそれぞれ切断したときの端面図である。また、図6(a)〜(c)は、図5(c)以降の製造工程を示す端面図である。
図8(a)〜(c)は、ポスト40の断面形状の一例を示す図である。図8(a)〜(c)に示すように、上記の製造方法によって形成されるポスト40の上面及び下面の直径φ1、φ2は同一の大きさでも良いし、φ1がφ2よりも小さくても良いし、φ1がφ2よりも大きくても良い。各々の場合にそれぞれ利点がある。
図9〜図13は、本発明の第1実施形態に係る半導体装置100の製造方法を示す図である。詳しく説明すると、図9(a)〜図13(a)は、IC素子51のチップサイズが例えば2mm角の場合を示す平面図である。また、図9(b)〜図13(b)は、IC素子51のチップサイズが例えば1mm角の場合を示す平面図である。さらに、図9(c)〜図13(c)は、図9(b)〜図13(b)をY9−Y´9線〜Y13−Y´13線で切断したときの端面図である。
なお、表1に、第1実施形態に係る半導体装置100の適用チップサイズ、チップ下の(外部)端子数、最大外部端子数及びパッケージ外形の一例を示す。
なお、この第1実施形態では、図16(b)に示したように、平面視で縦方向及び横方向にポスト40がそれぞれ整然と並んだ状態、即ち、平面視で格子状に配置されている場合について説明した。しかしながら、ポスト40の配置はこれに限られることはない。例えば、図18に示すように、ポスト40は、奇数列と偶数列とが半ピッチずつずれると共に、奇数行と偶数行とが半ピッチずつずれた状態、即ち、平面視で千鳥足状に配置されていても良い。このような構成であっても、ポスト40はダイパッド又は外部端子のどちらにもなるので、従来技術のように専用のダイパッドは必要ない。
上記の第1実施形態では、例えば図17(a)〜(c)に示したように、樹脂パッケージ62内にIC素子51を1チップのみ配置した場合(即ち、シングルチップパッケージ)について説明したが、本発明はこれに限られることはない。
図20は、本発明の第2実施形態に係る半導体装置200の構成例を示す図である。詳しく説明すると、図20(a)及び(b)は半導体装置200の構成例を示す平面図であり、図20(c)は、図20(b)をX20−X´20線で切断したときの端面図である。図20(a)では、図面の複雑化を回避するために樹脂61の記入を省略している。なお、図20(a)〜(c)において、第1実施形態で説明した図1〜図19と同一構成を有する部分には同一符号を付し、その詳細な説明は省略する。
この第2実施形態では、金線53aが本発明の「第1の導電部材」に対応し、ポスト40aが本発明の「第3の金属支柱」に対応している。また、金線53bが本発明の「第2の導電部材」に対応し、ポスト40bが本発明の「第4の金属支柱」に対応している。
Claims (5)
- 金属板の一方の面を基板に貼り付ける工程と、
前記基板に貼り付けられた前記金属板をその他方の面から部分的にエッチングすることによって、平面視で縦方向及び横方向に並んだ複数本の金属支柱であって、第1の金属支柱及び第2の金属支柱を有する前記金属支柱を形成する工程と、
前記第1の金属支柱の他方の面にIC素子を固定する工程と、
前記第2の金属支柱と前記IC素子のパッド端子とを導電部材で接続する工程と、
前記基板上に樹脂を供給して、前記IC素子と前記複数本の金属支柱及び前記導電部材を樹脂封止する工程と、
前記樹脂及び当該樹脂によって封止された前記複数本の金属支柱の一方の面から前記基板を剥離する工程と、を含み、
前記基板上に前記金属板を貼り付ける前に、前記金属板を前記一方の面から部分的にハーフエッチングして前記複数本の金属支柱を途中まで形成する工程、をさらに含み、
前記金属板を他方の面からエッチングする工程では、前記金属板のハーフエッチングされた部分を前記他方の面からエッチングして当該金属板を貫通する、ことを特徴とする半導体装置の製造方法。 - 前記基板上に前記金属板を貼り付ける前に、前記金属板の前記金属支柱が途中まで形成された前記一方の面にハンダ接合用のメッキ層を形成しておく工程、をさらに含むことを特徴とする請求項1に記載の半導体装置の製造方法。
- 前記IC素子を固定する工程では、前記第1の金属支柱の他方の面に複数個の前記IC素子を平面視で並んで取り付け、
前記導電部材で接続する工程では、前記複数個のIC素子の前記パッド端子と前記第2の金属支柱とを前記導電部材でそれぞれ接続し、
前記樹脂封止する工程では、前記複数個のIC素子と前記複数本の金属支柱及び前記導電部材を前記樹脂で一括して封止し、さらに、
前記樹脂封止する工程を終えた後で、
前記複数個のIC素子が1つの樹脂パッケージに含まれるように前記樹脂をダイシングする工程、を含むことを特徴とする請求項1又は請求項2に記載の半導体装置の製造方法。 - 前記第2の金属支柱は、第3の金属支柱及び第4の金属支柱を有し、
前記導電部材で接続する工程では、
前記IC素子の前記パッド端子と前記第3の金属支柱とを第1の前記導電部材で接続すると共に、当該第3の金属支柱と前記第4の前記金属支柱とを第2の前記導電部材で接続することを特徴とする請求項1から請求項3の何れか一項に記載の半導体装置の製造方法。 - 前記金属支柱を形成する工程では、前記複数本の金属支柱の各々を全て同一の形状で且つ同一の寸法に形成することを特徴とする請求項1から請求項4の何れか一項に記載の半導体装置の製造方法。
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JP2007012741A JP4270282B2 (ja) | 2007-01-23 | 2007-01-23 | 半導体装置の製造方法 |
TW097100212A TW200847308A (en) | 2007-01-23 | 2008-01-03 | Semiconductor device manufacturing method, semiconductor device, and wiring board |
US12/015,970 US7696082B2 (en) | 2007-01-23 | 2008-01-17 | Semiconductor device manufacturing method, semiconductor device, and wiring board |
KR1020080007001A KR100927268B1 (ko) | 2007-01-23 | 2008-01-23 | 반도체 장치의 제조 방법, 반도체 장치, 및 배선 기판 |
EP08001164A EP1950802A1 (en) | 2007-01-23 | 2008-01-23 | Semiconductor device manufacturing method, semiconductor device, and wiring board |
US12/648,238 US20100102423A1 (en) | 2007-01-23 | 2009-12-28 | Semiconductor device manufacturing method, semiconductor device, and wiring board |
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JP4483969B2 (ja) * | 2008-03-31 | 2010-06-16 | セイコーエプソン株式会社 | 基板及びその製造方法、半導体装置の製造方法 |
JP2009302095A (ja) * | 2008-06-10 | 2009-12-24 | Seiko Epson Corp | 半導体装置及び半導体装置の製造方法 |
KR101214746B1 (ko) * | 2008-09-03 | 2012-12-21 | 삼성전기주식회사 | 웨이퍼 레벨 패키지 및 그 제조방법 |
US8106502B2 (en) * | 2008-11-17 | 2012-01-31 | Stats Chippac Ltd. | Integrated circuit packaging system with plated pad and method of manufacture thereof |
JP5178541B2 (ja) * | 2009-01-09 | 2013-04-10 | 株式会社三井ハイテック | 半導体装置 |
JP5678727B2 (ja) | 2011-03-03 | 2015-03-04 | セイコーエプソン株式会社 | 振動デバイス、振動デバイスの製造方法、電子機器 |
JP2013046167A (ja) | 2011-08-23 | 2013-03-04 | Seiko Epson Corp | 振動デバイス、及び振動デバイスの製造方法 |
JP5937398B2 (ja) * | 2012-03-26 | 2016-06-22 | 株式会社巴川製紙所 | 半導体装置製造用接着シート及び半導体装置の製造方法 |
US9053952B2 (en) * | 2012-09-28 | 2015-06-09 | Apple Inc. | Silicon shaping |
CN102931124B (zh) * | 2012-11-28 | 2015-11-18 | 贵州振华风光半导体有限公司 | 高密度薄膜混合集成电路的集成方法 |
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JP7024349B2 (ja) * | 2017-11-24 | 2022-02-24 | セイコーエプソン株式会社 | センサーユニット、センサーユニットの製造方法、慣性計測装置、電子機器、および移動体 |
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KR20080069542A (ko) | 2008-07-28 |
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US20080174012A1 (en) | 2008-07-24 |
US7696082B2 (en) | 2010-04-13 |
TW200847308A (en) | 2008-12-01 |
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