JP4728828B2 - 配線基板の製造方法 - Google Patents
配線基板の製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 239000004020 conductor Substances 0.000 claims description 180
- 239000000758 substrate Substances 0.000 claims description 44
- 238000007747 plating Methods 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 18
- 229920002120 photoresistant polymer Polymers 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 description 43
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000007789 sealing Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000009713 electroplating Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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Description
また、前記突起電極の高さh1とh2が等しくなるよう配線幅W1および配線幅W2を設定することが好ましい。
図8は、導体配線幅と突起電極の高さとの関係を検証した実験結果である。図5(a)の領域Aとして13〜17μmの導体配線の幅、領域Bとして18〜22μmの導体配線の幅、領域Cとして23〜27μmの導体配線の幅を選択することにより、突起電極の高さを均一に設定することができた。
2 半導体素子
2a 半導体素子搭載領域
3 封止樹脂
4 フィルム基材(絶縁性基材)
5、5a〜5d、5h〜5k 導体配線
5x 断線
6 電極パッド
7、7a〜7d、7h〜7k 突起電極
8 金属めっき皮膜
9 ソルダーレジスト
11、14 フォトレジスト
11a、14a 開口部
12、15 露光マスク
12a、15a 開口部
13 硬質金属膜
16 ボンディングツール
Claims (4)
- 複数本の導体配線が整列して設けられたフィルム基材を用い、
前記フィルム基材における前記導体配線が設けられた面にフォトレジストを形成し、前記フォトレジストに、前記整列している導体配線を横切って前記導体配線の両側の領域を含む形状を有する長孔状パターンの開口部を形成して、前記長孔状パターン中に前記導体配線の一部を露出させ、
前記フォトレジストの長孔状パターンを通して、露出した前記導体配線の一部に金属めっきを施して突起電極を形成する配線基板の製造方法において、
前記導体配線として、配線幅W1を有する第1導体配線と、配線幅W1よりも広い配線幅W2を有する第2導体配線とが設けられた前記フィルム基材を用い、
前記金属めっきによる前記突起電極を形成する工程を、前記導体配線の幅に対する前記金属めっきにより形成される前記突起電極の高さの関係として、前記導体配線の幅の増大に伴って、前記突起電極の高さが増大する領域A、前記領域Aよりも高い前記突起電極が形成され前記突起電極の高さが最大値に達する領域B、及び前記領域Bよりも低い前記突起電極が形成され前記突起電極の高さが減少する領域Cが順次現われる条件の範囲において行い、
前記第1導体配線の配線幅W1を前記領域Aの範囲内で設定し、前記第2導体配線の配線幅W2を前記領域Cの範囲内で設定することを特徴とする配線基板の製造方法。 - 前記第1導体配線に形成される前記突起電極の高さをh1、前記第2導体配線に形成される前記突起電極の高さをh2、前記領域Bの配線幅の導体配線に形成される前記突起電極の高さをhBとするとき、前記突起電極の高さの差の関係が下記の式を満足するように配線幅W1および配線幅W2を設定する請求項1に記載の配線基板の製造方法。
|h1−h2|<(hB−h1)、および|h1−h2|<(hB−h2) - 前記突起電極の高さh1とh2が等しくなるよう配線幅W1および配線幅W2を設定する請求項1または2に記載の配線基板の製造方法。
- 前記領域Aの導体配線幅W1は13〜17μm、前記領域Bの導体配線幅WBは18〜22μm、前記領域Cの導体配線幅W2は23〜27μmである請求項1〜3のいずれか1項に記載の配線基板の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006032738A JP4728828B2 (ja) | 2006-02-09 | 2006-02-09 | 配線基板の製造方法 |
US11/620,883 US7800209B2 (en) | 2006-02-09 | 2007-01-08 | Wiring board with conductive wirings and protrusion electrodes |
CNA2007100054641A CN101018453A (zh) | 2006-02-09 | 2007-02-08 | 布线基板及其制造方法、以及半导体器件及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006032738A JP4728828B2 (ja) | 2006-02-09 | 2006-02-09 | 配線基板の製造方法 |
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EP2260520B1 (en) | 2008-04-01 | 2015-02-25 | Nxp B.V. | Vertical phase change memory cell |
JP5156658B2 (ja) * | 2009-01-30 | 2013-03-06 | 株式会社日立製作所 | Lsi用電子部材 |
TWI514530B (zh) * | 2013-08-28 | 2015-12-21 | Via Tech Inc | 線路基板、半導體封裝結構及線路基板製程 |
JP6986492B2 (ja) * | 2018-06-01 | 2021-12-22 | 日東電工株式会社 | 配線回路基板 |
CN109801855B (zh) * | 2019-01-22 | 2021-01-29 | 上海华虹宏力半导体制造有限公司 | 用于检测金属连线隆起的wat测试装置、制备方法及测试方法 |
Citations (6)
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JPH05283414A (ja) * | 1991-04-16 | 1993-10-29 | Nippon Steel Corp | 半導体装置用金属配線のバンプ高さ制御装置 |
JPH07245308A (ja) * | 1994-03-03 | 1995-09-19 | Toshiba Corp | バンプ形成方法 |
JP2004327936A (ja) * | 2003-04-28 | 2004-11-18 | Matsushita Electric Ind Co Ltd | 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 |
JP2005109377A (ja) * | 2003-10-02 | 2005-04-21 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JP2005166960A (ja) * | 2003-12-03 | 2005-06-23 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JP2005217065A (ja) * | 2004-01-28 | 2005-08-11 | Matsushita Electric Ind Co Ltd | 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 |
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JPH045844A (ja) * | 1990-04-23 | 1992-01-09 | Nippon Mektron Ltd | Ic搭載用多層回路基板及びその製造法 |
JP2665134B2 (ja) * | 1993-09-03 | 1997-10-22 | 日本黒鉛工業株式会社 | フレキシブル回路基板及びその製造方法 |
KR20090059173A (ko) * | 1998-09-17 | 2009-06-10 | 이비덴 가부시키가이샤 | 다층빌드업배선판 |
JP2001244123A (ja) * | 2000-02-28 | 2001-09-07 | Kawatetsu Mining Co Ltd | 表面実装型平面磁気素子及びその製造方法 |
EP1156521A3 (en) * | 2000-04-24 | 2007-05-23 | Interuniversitair Microelektronica Centrum Vzw | Low cost electroless plating process for single chips and wafer parts and products obtained thereof |
CN1994033A (zh) * | 2004-07-29 | 2007-07-04 | 三井金属矿业株式会社 | 印刷电路板、其制造方法及半导体装置 |
JP4068628B2 (ja) * | 2005-05-30 | 2008-03-26 | 松下電器産業株式会社 | 配線基板、半導体装置および表示モジュール |
JP2009253147A (ja) * | 2008-04-09 | 2009-10-29 | Shinko Electric Ind Co Ltd | 配線の形成方法 |
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- 2007-01-08 US US11/620,883 patent/US7800209B2/en active Active
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Patent Citations (6)
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JPH05283414A (ja) * | 1991-04-16 | 1993-10-29 | Nippon Steel Corp | 半導体装置用金属配線のバンプ高さ制御装置 |
JPH07245308A (ja) * | 1994-03-03 | 1995-09-19 | Toshiba Corp | バンプ形成方法 |
JP2004327936A (ja) * | 2003-04-28 | 2004-11-18 | Matsushita Electric Ind Co Ltd | 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 |
JP2005109377A (ja) * | 2003-10-02 | 2005-04-21 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JP2005166960A (ja) * | 2003-12-03 | 2005-06-23 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JP2005217065A (ja) * | 2004-01-28 | 2005-08-11 | Matsushita Electric Ind Co Ltd | 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 |
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CN101018453A (zh) | 2007-08-15 |
US20070182009A1 (en) | 2007-08-09 |
JP2007214370A (ja) | 2007-08-23 |
US7800209B2 (en) | 2010-09-21 |
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