JP5144222B2 - 配線基板及びその製造方法 - Google Patents
配線基板及びその製造方法 Download PDFInfo
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- JP5144222B2 JP5144222B2 JP2007295519A JP2007295519A JP5144222B2 JP 5144222 B2 JP5144222 B2 JP 5144222B2 JP 2007295519 A JP2007295519 A JP 2007295519A JP 2007295519 A JP2007295519 A JP 2007295519A JP 5144222 B2 JP5144222 B2 JP 5144222B2
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Description
図6は、本発明の第1の実施の形態に係る配線基板の断面図である。
図20は、本発明の第2の実施の形態に係る配線基板の断面図であり、図21は、図20に示す配線基板の平面図である。図20及び図21において、第1の実施の形態の配線基板10と同一構成部分には同一符号を付す。
11 電子部品
12 実装基板
13 外部接続端子
14,43 パッド
21,51 配線基板本体
22,56,61,81,85,87 反り低減部材
22B,24B,25A,25B,31A,57A,62A,81A,86A,88A 面
24 電子部品搭載用パッド
24A 接続面
25,31 絶縁層
27,33 ビア
28 配線パターン
34 外部接続用パッド
34A 端子配設面
36,53 ソルダーレジスト層
36A,41,46,53A,72A,72B,93A,93B 開口部
43 パッド
44 配線
57,62,86,88 反り低減部
71 支持体
71A 上面
71B 下面
72,93 レジスト膜
A 電子部品搭載用パッド形成領域
B,E 配線基板形成領域
C,F 切断位置
D 距離
W1,W2 幅
Claims (17)
- 一方の面と他方の面とを有する一の絶縁層と、
電子部品が接続される接続面を有し、前記接続面が前記一の絶縁層の前記一方の面に露出されるように、前記一の絶縁層に内設された複数の電子部品搭載用パッドと、
前記一の絶縁層の前記他方の面上に設けられた配線パターンと、
前記一の絶縁層内に設けられ、前記電子部品搭載用パッドと前記配線パターンとを接続するビアと、を有する配線基板本体を備えた配線基板であって、
前記複数の電子部品搭載用パッドは、前記一の絶縁層の前記一方の面の中央に設けられた1つの電子部品搭載用パッド形成領域に形成され、
前記電子部品搭載用パッド形成領域の外周と、前記配線基板の外形との間の前記一の絶縁層内に、前記配線基板本体の反りを低減する反り低減部材が、前記電子部品搭載用パッド形成領域を囲むよう平面視額縁形状に設けられていることを特徴とする配線基板。 - 前記反り低減部材の側面が前記一の絶縁層に被覆されていることを特徴とする請求項1記載の配線基板。
- 前記反り低減部材はグラウンド又は電源用の配線と接続されていることを特徴とする請求項1又は2記載の配線基板。
- 前記電子部品搭載用パッドの接続面は、前記一の絶縁層の前記一方の面と略面一となるように構成されており、
前記電子部品搭載用パッドの接続面側に位置する前記反り低減部材の面は、前記一の絶縁層の前記一方の面と略面一となるように構成されていることを特徴とする請求項1ないし3のうち、いずれか一項記載の配線基板。 - 前記反り低減部材は、前記電子部品搭載用パッドと同一平面上に配置されており、
前記反り低減部材の厚さは、前記電子部品搭載用パッドの厚さと略等しく、かつ前記反り低減部材の材料は、前記電子部品搭載用パッドの材料と略同一であることを特徴とする請求項4記載の配線基板。 - 前記反り低減部材は、金属膜であることを特徴とする請求項1ないし5のうち、いずれか一項記載の配線基板。
- 前記反り低減部材は、複数の反り低減部を有し、
前記複数の反り低減部は、他の前記反り低減部から離間するように配置されていることを特徴とする請求項1ないし6のうち、いずれか一項記載の配線基板。 - 前記反り低減部材は、曲線状のスリット又は屈曲したスリットにより複数の反り低減部に分割されていることを特徴とする請求項7記載の配線基板。
- 前記一の絶縁層の一方の面に、前記電子部品搭載用パッドの接続面が露出されると共に、前記電子部品搭載用パッドの接続面側に位置する前記反り低減部材の面を覆うソルダーレジスト層が設けられたことを特徴とする請求項1ないし8のうち、いずれか一項記載の配線基板。
- 表面に配線基板が形成される配線基板形成領域を複数有した支持体を用意し、各配線基板形成領域の中央に配置された電子部品搭載用パッド形成領域に複数の電子部品搭載用パッドを形成すると共に、前記各配線基板形成領域の外周に、前記電子部品搭載用パッド形成領域を囲む反り低減部材を形成する工程と、
前記支持体上に、前記電子部品搭載用パッド及び前記反り低減部材を覆うように一の絶縁層を形成する工程と、
前記一の絶縁層上に配線パターンを形成すると共に、前記一の絶縁層内に、前記配線パターンと前記電子部品搭載用パッドとを接続するビアを形成する工程と、
前記一の絶縁層、前記電子部品搭載用パッド及び前記反り低減部材から、前記支持体を除去する工程と、
前記支持体を除去後、前記配線基板形成領域毎に前記一の絶縁層を切断し、個別の前記配線基板を得る工程と、を含むことを特徴とする配線基板の製造方法。 - 前記反り低減部材を形成する工程では、一の前記配線基板形成領域の前記反り低減部材は、一の前記配線基板形成領域に隣接する他の前記配線基板形成領域の前記反り低減部材と一体に形成され、
前記個別の前記配線基板を得る工程では、前記支持体を除去後、前記配線基板形成領域毎に前記一の絶縁層及び前記反り低減部材を切断し、個別の前記配線基板を得ることを特徴とする請求項10記載の配線基板の製造方法。 - 前記反り低減部材を形成する工程では、前記反り低減部材は、前記各配線基板形成領域の境界より前記各配線基板形成領域の中央側に後退して形成され、
前記個別の前記配線基板を得る工程では、前記支持体を除去後、前記配線基板形成領域毎に隣接する前記反り低減部材間の前記一の絶縁層を切断し、前記反り低減部材の側面が前記一の絶縁層で被覆された個別の前記配線基板を得ることを特徴とする請求項10記載の配線基板の製造方法。 - 前記反り低減部材をグラウンド又は電源用の配線と接続する工程を設けたことを特徴とする請求項10ないし12のうち、いずれか一項記載の配線基板の製造方法。
- 前記反り低減部材を形成する工程では、複数の反り低減部を有する前記反り低減部材を形成し、
各前記反り低減部を他の前記反り低減部から離間するように配置することを特徴とする請求項10ないし13のうち、いずれか一項記載の配線基板の製造方法。 - 前記反り低減部材を曲線状のスリット又は屈曲したスリットにより複数の反り低減部に分割することを特徴とする請求項14記載の配線基板の製造方法。
- 前記電子部品搭載用パッド及び前記反り低減部材は、金属膜であり、
前記金属膜は、めっき法により形成することを特徴とする請求項10ないし15のうち、いずれか一項記載の配線基板の製造方法。 - 前記の支持体を除去する工程後に、前記電子部品搭載用パッドの接続面側に位置する前記一の絶縁層の面に、前記電子部品搭載用パッドの接続面を露出する開口部を有したソルダーレジスト層を形成する工程を設けたことを特徴とする請求項10ないし16のうち、いずれか一項記載の配線基板の製造方法。
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JP2007295519A JP5144222B2 (ja) | 2007-11-14 | 2007-11-14 | 配線基板及びその製造方法 |
KR20080112374A KR101508782B1 (ko) | 2007-11-14 | 2008-11-12 | 배선기판 및 그 제조방법 |
US12/270,143 US8119930B2 (en) | 2007-11-14 | 2008-11-13 | Wiring board and method for manufacturing the same |
CNA2008101809126A CN101436578A (zh) | 2007-11-14 | 2008-11-14 | 配线基板和制造配线基板的方法 |
TW097144031A TWI426845B (zh) | 2007-11-14 | 2008-11-14 | 佈線板及其製造方法 |
US13/340,979 US20120096711A1 (en) | 2007-11-14 | 2011-12-30 | Wiring board and method for manufacturing the same |
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US8119930B2 (en) | 2012-02-21 |
US20120096711A1 (en) | 2012-04-26 |
TW200938045A (en) | 2009-09-01 |
KR101508782B1 (ko) | 2015-04-03 |
TWI426845B (zh) | 2014-02-11 |
CN101436578A (zh) | 2009-05-20 |
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US20090126982A1 (en) | 2009-05-21 |
JP2009123874A (ja) | 2009-06-04 |
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