JP5154271B2 - はんだバンプを有する配線基板及びその製造方法 - Google Patents
はんだバンプを有する配線基板及びその製造方法 Download PDFInfo
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- JP5154271B2 JP5154271B2 JP2008068593A JP2008068593A JP5154271B2 JP 5154271 B2 JP5154271 B2 JP 5154271B2 JP 2008068593 A JP2008068593 A JP 2008068593A JP 2008068593 A JP2008068593 A JP 2008068593A JP 5154271 B2 JP5154271 B2 JP 5154271B2
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- Manufacturing & Machinery (AREA)
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Description
6…押圧用粗面
11…配線基板
12…配線基板本体
13…配線基板本体の表面
21…金属層としての第1パッド
22…金属層としての第2パッド
30…ソルダーレジスト
31…開口部としての第1開口部
32…開口部としての第2開口部
41…はんだバンプとしての第1はんだバンプ
42…はんだバンプとしての第2はんだバンプ
43,44…頂部
51…はんだバンプ形成材料としてのはんだボール
Claims (4)
- 配線基板本体と、前記配線基板本体の表面に形成された金属層と、前記金属層を露出させるとともに開口径が異なる複数の開口部を有し前記配線基板本体の表面に形成されたソルダーレジストと、前記複数の開口部内において前記金属層上に配置された複数のはんだバンプとを備える配線基板であって、
前記複数の開口部が、第1開口部と、前記第1開口部よりも開口径が大きい第2開口部とからなり、
前記第1開口部内に配置されたはんだバンプの体積と前記第2開口部内に配置されたはんだバンプの体積とが互いに等しく、
前記第1開口部内に配置されたはんだバンプの頂部が平坦面を有するとともに、
前記第2開口部内に配置されたはんだバンプの頂部が、前記第1開口部内に配置されたはんだバンプの頂部の平坦面の面積よりも小さい平坦面を有し、
前記第1開口部内及び前記第2開口部内に配置されたはんだバンプの頂部が、表面粗さRaが0.3μm以上5μm以下となるように粗化されており、
前記第1開口部内に配置されたはんだバンプの頂部のコプラナリティの測定値が1cm2あたり10μm以下であり、
前記第1開口部にて露出する金属層と前記第1開口部内に配置されたはんだバンプとがシグナル用電気経路を構成し、前記第2開口部にて露出する金属層と前記第2開口部内に配置されたはんだバンプとがグランド用電気経路または電源用電気経路を構成し、
前記シグナル用電気経路と、前記グランド用電気経路または前記電源用電気経路とが互いに電気的に独立している
ことを特徴とするはんだバンプを有する配線基板。 - 請求項1に記載のはんだバンプを有する配線基板の製造方法であって、
前記配線基板本体の表面に前記金属層を形成する金属層形成工程と、
前記配線基板本体の表面に、前記金属層を露出させるとともに開口径が異なる前記複数の開口部を有する前記ソルダーレジストを形成するソルダーレジスト形成工程と、
前記複数の開口部内における前記金属層上に複数のはんだバンプ形成材料を配置するはんだバンプ形成材料配置工程と、
前記はんだバンプ形成材料配置工程後、前記複数のはんだバンプ形成材料を加熱溶融して前記複数のはんだバンプを形成する加熱溶融工程と、
前記加熱溶融工程後、前記複数のはんだバンプの少なくとも一部の頂部をプレスして平坦化することにより、前記複数のはんだバンプの高さを揃えるはんだバンプ成形工程と
を含むことを特徴とするはんだバンプを有する配線基板の製造方法。 - 前記はんだバンプ形成材料配置工程では、前記複数のはんだバンプ形成材料として粒径及び体積が等しい複数のはんだボールを前記金属層上に配置することを特徴とする請求項2に記載のはんだバンプを有する配線基板の製造方法。
- 前記はんだバンプ成形工程では、押圧用粗面を有する押圧治具を用いて複数のはんだバンプの少なくとも一部の頂部をプレスすることにより、前記頂部を平坦化すると同時に粗化することを特徴とする請求項2または3に記載のはんだバンプを有する配線基板の製造方法。
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JP2008068593A JP5154271B2 (ja) | 2008-03-17 | 2008-03-17 | はんだバンプを有する配線基板及びその製造方法 |
KR1020090022114A KR101536006B1 (ko) | 2008-03-17 | 2009-03-16 | 솔더범프를 가지는 배선기판 및 그 제조방법 |
TW098108361A TW200945528A (en) | 2008-03-17 | 2009-03-16 | Wiring board having solder bump and method for manufacturing the same |
US12/405,536 US8143534B2 (en) | 2008-03-17 | 2009-03-17 | Wiring board having solder bump and method for manufacturing the same |
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US8410604B2 (en) * | 2010-10-26 | 2013-04-02 | Xilinx, Inc. | Lead-free structures in a semiconductor device |
US8691629B2 (en) * | 2011-05-27 | 2014-04-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | Packaging jig and process for semiconductor packaging |
JP2013149948A (ja) * | 2011-12-20 | 2013-08-01 | Ngk Spark Plug Co Ltd | 配線基板及びその製造方法 |
JP6143104B2 (ja) * | 2012-12-05 | 2017-06-07 | 株式会社村田製作所 | バンプ付き電子部品及びバンプ付き電子部品の製造方法 |
US9925611B2 (en) | 2013-07-31 | 2018-03-27 | Antaya Technologies Corporation | Electrical component having presoldered surface with flux reservoirs |
US20160233188A1 (en) * | 2013-12-02 | 2016-08-11 | Smartrac Technology Gmbh | Contact bumps methods of making contact bumps |
US10446522B2 (en) | 2015-04-16 | 2019-10-15 | Taiwan Semiconductor Manufacturing Company, Ltd. | Methods of forming multiple conductive features in semiconductor devices in a same formation process |
US10468363B2 (en) * | 2015-08-10 | 2019-11-05 | X-Celeprint Limited | Chiplets with connection posts |
JP6486855B2 (ja) * | 2016-03-16 | 2019-03-20 | 東芝メモリ株式会社 | 半導体装置および半導体装置の製造方法 |
US11064609B2 (en) | 2016-08-04 | 2021-07-13 | X Display Company Technology Limited | Printable 3D electronic structure |
US10163847B2 (en) | 2017-03-03 | 2018-12-25 | Tdk Corporation | Method for producing semiconductor package |
US11094658B2 (en) * | 2019-05-22 | 2021-08-17 | Lenovo (Singapore) Pte. Ltd. | Substrate, electronic substrate, and method for producing electronic substrate |
KR20210157781A (ko) | 2020-06-22 | 2021-12-29 | 삼성전자주식회사 | 반도체 패키지 |
CN114918505B (zh) * | 2022-04-29 | 2023-07-04 | 中国电子科技集团公司第三十八研究所 | 一种电连接器的焊膏点涂方法 |
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JPH1013007A (ja) * | 1996-03-29 | 1998-01-16 | Ngk Spark Plug Co Ltd | 半田バンプを有する配線基板及びその製造方法及び平坦化治具 |
EP0844809B1 (en) * | 1996-11-20 | 2011-08-17 | Ibiden Co, Ltd. | Solder resist composition and printed circuit boards |
JPH11145176A (ja) * | 1997-11-11 | 1999-05-28 | Fujitsu Ltd | ハンダバンプの形成方法及び予備ハンダの形成方法 |
US6742701B2 (en) * | 1998-09-17 | 2004-06-01 | Kabushiki Kaisha Tamura Seisakusho | Bump forming method, presoldering treatment method, soldering method, bump forming apparatus, presoldering treatment device and soldering apparatus |
WO2000076281A1 (fr) * | 1999-06-02 | 2000-12-14 | Ibiden Co., Ltd. | Carte a circuit imprime multicouche et procede de fabrication d'une telle carte |
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JP2003218161A (ja) * | 2002-01-25 | 2003-07-31 | Kyocera Corp | 半田バンプ平坦化用プレス治具およびこれを用いた配線基板の製造方法 |
JP3565835B1 (ja) * | 2003-04-28 | 2004-09-15 | 松下電器産業株式会社 | 配線基板およびその製造方法ならびに半導体装置およびその製造方法 |
CN100485913C (zh) * | 2004-02-24 | 2009-05-06 | 揖斐电株式会社 | 半导体搭载用基板 |
WO2007086551A1 (ja) * | 2006-01-27 | 2007-08-02 | Ibiden Co., Ltd. | プリント配線板及びプリント配線板の製造方法 |
JP2007281369A (ja) * | 2006-04-11 | 2007-10-25 | Shinko Electric Ind Co Ltd | 半田接続部の形成方法、配線基板の製造方法、および半導体装置の製造方法 |
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