JP3994980B2 - 素子搭載用基板及びその製造方法並びに半導体素子実装方法 - Google Patents
素子搭載用基板及びその製造方法並びに半導体素子実装方法 Download PDFInfo
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Description
Sn合金のδ相の結晶粒子を含む層を形成した。例えば、表面にメタライズ層を備えた基板上にはんだ層を形成する。そして、そのはんだ層は、Au−Sn合金のδ相の結晶粒子を含む固相リッチ層とAu−Sn合金における共晶点の共晶組成である液相リッチ層からなり、それぞれの層が縦に3層、基板に近い方から、固相リッチ層,液相リッチ層,固相リッチ層の順に構成する。このとき、特定の温度域において、各層が平衡状態となるように設定されている。さらに、メタライズ層とはんだ層の問にAuの拡散防止用のバリア層として、PtやNi等の金属層を設ける。
278℃以上419.3℃ 以下の範囲内の任意の温度においては、液相線上の組成のAu−Sn合金(液相)とδ相のAu−Sn合金(固相)とがお互いに接触していても、固相が液相に溶けることはなく、液相が凝固することもなく、固相と液相が共存する。よって、基板20上へ半導体回路素子を実装する際に278℃以上419.3℃ 以下の任意の所望の温度にて加熱すると、固相リッチ層中のδ相の結晶粒子は溶けることなく、また、液相リッチ層中の液相部分も凝固することなく存在することができる。
Sn50at.% )となるように蒸着時のAuとSnのソース量を制御する。また、液相リッチ層7についても、Au−Snの共晶組成(Au71at.%−Sn29at.%)となるようにソース量を制御する。
Claims (11)
- 半導体回路素子と接続するためのはんだ層を有する素子搭載用基板であって、前記半導体回路素子と接続する側の該はんだ層の表面に、Au−Sn合金のδ相の結晶粒子を含む層を設けたことを特徴とする素子搭載用基板。
- 基板と半導体回路素子とを接続するはんだ層の基板側最表面に、Au−Sn合金のδ相の結晶粒子を含む層を形成することを特徴とする素子搭載用基板。
- 請求項1又は請求項2に記載の素子搭載用基板において、
該はんだ層の最表面以外のはんだ層部分が、AuとSnの組成の異なる層を上下に2層重なった構造となっていることを特徴とする素子搭載用基板。 - 請求項1又は請求項2に記載の素子搭載用基板において、
該はんだ層が、Au−Sn合金のδ相の結晶粒子を含む層によって、Au−Sn合金の共晶点の共晶組成である層を上下で挟み込む構造となる素子搭載用基板。 - 請求項1又は請求項2に記載の素子搭載用基板において、
最表層のはんだ層の平均組成が、Sn45at.%以上,Sn55at.%以下、残部AuのAuSn合金からなることを特徴とする素子搭載用基板。 - 請求項1又は請求項2に記載の素子搭載用基板において、
基板表面上のメタライズ層と接する下部層のはんだ層の平均組成が、Sn45at.% 以上,Sn55at.% 以下、残部AuのAuSn合金からなることを特徴とする素子搭載用基板。 - 請求項1又は請求項2に記載の素子搭載用基板において、
最表層と下部層の間にある中間層のはんだ層の平均組成は、Sn29at.% 以上,Sn45at.% 以下、残部AuのAuSn合金からなることを特徴とする素子搭載用基板。 - 請求項1又は請求項2に記載の素子搭載用基板において、
はんだ層中の各層が、任意の所望の温度でそれぞれの界面にて平衡状態となる材料により構成されていることを特徴とする素子搭載用基板。 - 請求項1又は請求項2に記載の素子搭載用基板において、
メタライズ層とはんだ層の間にAuの拡散防止用のバリア層として、金属層が設けられていることを特徴とする素子搭載用基板。 - 半導体回路素子と接続するためのはんだ層を有する素子搭載用基板の製造方法であって、蒸着法により、前記半導体回路素子と接続する側の該はんだ層の表面に、Au−Sn合金のδ相の結晶粒子を含む層を形成することを特徴とする素子搭載用基板の製造方法。
- はんだ層を有する素子搭載用基板に半導体回路素子をはんだ付けする半導体回路素子実装方法であって、前記半導体回路素子と接続する側の該はんだ層の表面には、Au−Sn合金のδ相の結晶粒子を含む層が形成され、前記Au−Sn合金のδ相の結晶粒子を含む層を加熱して溶融し、その溶融状態を画像認識により確認しながらはんだ付けすることを特徴とする半導体回路素子実装方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004093999A JP3994980B2 (ja) | 2004-03-29 | 2004-03-29 | 素子搭載用基板及びその製造方法並びに半導体素子実装方法 |
| CNB200510006752XA CN100369530C (zh) | 2004-03-29 | 2005-02-04 | 元件装载用基板及其制造方法与半导体元件安装方法 |
| US11/056,169 US7476977B2 (en) | 2004-03-29 | 2005-02-14 | Semiconductor chip mounting substrate, a method of producing the same, and a method of mounting a semiconductor chip |
| US11/747,344 US7452798B2 (en) | 2004-03-29 | 2007-05-11 | Semiconductor chip mounting substrate, a method of producing the same, and a method of mounting a semiconductor chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004093999A JP3994980B2 (ja) | 2004-03-29 | 2004-03-29 | 素子搭載用基板及びその製造方法並びに半導体素子実装方法 |
Publications (2)
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| JP2005285882A JP2005285882A (ja) | 2005-10-13 |
| JP3994980B2 true JP3994980B2 (ja) | 2007-10-24 |
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| JP2004093999A Expired - Fee Related JP3994980B2 (ja) | 2004-03-29 | 2004-03-29 | 素子搭載用基板及びその製造方法並びに半導体素子実装方法 |
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| US (2) | US7476977B2 (ja) |
| JP (1) | JP3994980B2 (ja) |
| CN (1) | CN100369530C (ja) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005024430B4 (de) * | 2005-05-24 | 2009-08-06 | Infineon Technologies Ag | Verfahren zum Beschichten eines Siliziumwafers oder Siliziumchips |
| DE102006053146A1 (de) * | 2006-04-13 | 2007-10-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Goldhaltiges Lotdepot, Verfahren zu dessen Herstellung, Lötverfahren und Verwendung |
| EP1976004B1 (en) * | 2005-12-28 | 2017-02-15 | A.L.M.T. Corp. | Semiconductor element mounting substrate, semiconductor device using the same, and process for producing semiconductor element mounting substrate |
| EP2009971B1 (en) * | 2006-04-17 | 2015-01-07 | DOWA Electronics Materials Co., Ltd. | Solder layer, substrate for device junction utilizing the same, and process for manufacturing the substrate |
| JP5526336B2 (ja) | 2007-02-27 | 2014-06-18 | Dowaエレクトロニクス株式会社 | 半田層及びそれを用いたデバイス接合用基板並びにその製造方法 |
| JP4341693B2 (ja) * | 2007-05-16 | 2009-10-07 | ウシオ電機株式会社 | Led素子およびその製造方法 |
| JP5131438B2 (ja) * | 2007-08-27 | 2013-01-30 | セイコーエプソン株式会社 | 圧電デバイスの製造方法 |
| US8698925B2 (en) | 2010-04-21 | 2014-04-15 | Intevac, Inc. | Collimator bonding structure and method |
| US9166364B2 (en) * | 2011-02-14 | 2015-10-20 | Spectrasensors, Inc. | Semiconductor laser mounting with intact diffusion barrier layer |
| JP5716627B2 (ja) * | 2011-10-06 | 2015-05-13 | オムロン株式会社 | ウエハの接合方法及び接合部の構造 |
| US8573469B2 (en) | 2011-11-18 | 2013-11-05 | LuxVue Technology Corporation | Method of forming a micro LED structure and array of micro LED structures with an electrically insulating layer |
| US8349116B1 (en) | 2011-11-18 | 2013-01-08 | LuxVue Technology Corporation | Micro device transfer head heater assembly and method of transferring a micro device |
| US8333860B1 (en) | 2011-11-18 | 2012-12-18 | LuxVue Technology Corporation | Method of transferring a micro device |
| WO2013074370A1 (en) * | 2011-11-18 | 2013-05-23 | LuxVue Technology Corporation | Method of forming a micro led structure and array of micro led structures with an electrically insulating layer |
| US8426227B1 (en) | 2011-11-18 | 2013-04-23 | LuxVue Technology Corporation | Method of forming a micro light emitting diode array |
| US8963305B2 (en) * | 2012-09-21 | 2015-02-24 | Freescale Semiconductor, Inc. | Method and apparatus for multi-chip structure semiconductor package |
| US9024205B2 (en) | 2012-12-03 | 2015-05-05 | Invensas Corporation | Advanced device assembly structures and methods |
| US20160339538A1 (en) * | 2015-05-18 | 2016-11-24 | Toyota Motor Engineering & Manufacturing North America, Inc. | High temperature bonding processes incorporating traces |
| EP3450945B1 (en) * | 2016-04-26 | 2022-10-12 | KYOCERA Corporation | Sensor substrate and sensor apparatus |
| DE102017112866B4 (de) * | 2017-06-12 | 2024-12-12 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Verfahren zum Befestigen eines Halbleiterchips auf einem Substrat und elektronisches Bauelement |
| JP7168280B2 (ja) * | 2018-06-26 | 2022-11-09 | 住友電工デバイス・イノベーション株式会社 | 半導体装置、および、半導体チップの搭載方法 |
| JP7223772B2 (ja) * | 2018-12-26 | 2023-02-16 | 京セラ株式会社 | 電子部品の接合方法および接合構造体 |
| DE102021131940A1 (de) * | 2021-12-03 | 2023-06-07 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | LÖTVERBINDUNG AUF AuSn-BASIS MIT NIEDRIGER VERBINDUNGSTEMPERATUR |
| CN118099927B (zh) * | 2024-04-17 | 2024-07-30 | 化合积电(厦门)半导体科技有限公司 | 一种金刚石芯片及其制备方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4929516A (en) * | 1985-03-14 | 1990-05-29 | Olin Corporation | Semiconductor die attach system |
| DE3705258A1 (de) * | 1987-02-19 | 1988-09-01 | Vdo Schindling | Loetfaehiges schichtsystem |
| JP2771651B2 (ja) * | 1989-12-15 | 1998-07-02 | 三洋電機株式会社 | 光起電力素子の製造方法 |
| JP2716355B2 (ja) * | 1993-11-25 | 1998-02-18 | 日本電気株式会社 | 半導体装置の製造方法 |
| US6268114B1 (en) * | 1998-09-18 | 2001-07-31 | Taiwan Semiconductor Manufacturing Company, Ltd | Method for forming fine-pitched solder bumps |
| US6342442B1 (en) * | 1998-11-20 | 2002-01-29 | Agere Systems Guardian Corp. | Kinetically controlled solder bonding |
| JP3718380B2 (ja) * | 1999-08-18 | 2005-11-24 | 株式会社日立製作所 | はんだ接続構造を有する回路装置およびその製造方法 |
| US6570251B1 (en) * | 1999-09-02 | 2003-05-27 | Micron Technology, Inc. | Under bump metalization pad and solder bump connections |
| DE10152408A1 (de) * | 2000-10-25 | 2002-05-16 | Matsushita Electric Industrial Co Ltd | System und Verfahren zur Bauteilmontage |
| DE10308275A1 (de) * | 2003-02-26 | 2004-09-16 | Advanced Micro Devices, Inc., Sunnyvale | Strahlungsresistentes Halbleiterbauteil |
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2004
- 2004-03-29 JP JP2004093999A patent/JP3994980B2/ja not_active Expired - Fee Related
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2005
- 2005-02-04 CN CNB200510006752XA patent/CN100369530C/zh not_active Expired - Fee Related
- 2005-02-14 US US11/056,169 patent/US7476977B2/en not_active Expired - Fee Related
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2005285882A (ja) | 2005-10-13 |
| US7476977B2 (en) | 2009-01-13 |
| CN100369530C (zh) | 2008-02-13 |
| US7452798B2 (en) | 2008-11-18 |
| CN1678165A (zh) | 2005-10-05 |
| US20050212140A1 (en) | 2005-09-29 |
| US20070207557A1 (en) | 2007-09-06 |
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