JP5451719B2 - 配線基板及び半導体パッケージ - Google Patents
配線基板及び半導体パッケージ Download PDFInfo
- Publication number
- JP5451719B2 JP5451719B2 JP2011248227A JP2011248227A JP5451719B2 JP 5451719 B2 JP5451719 B2 JP 5451719B2 JP 2011248227 A JP2011248227 A JP 2011248227A JP 2011248227 A JP2011248227 A JP 2011248227A JP 5451719 B2 JP5451719 B2 JP 5451719B2
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- Prior art keywords
- wiring
- insulating film
- wiring board
- base insulating
- via hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Description
厚さが20乃至100μmで、その一方の面に凹部が形成された基体絶縁膜と、前記基体絶縁膜の前記凹部内に形成された第1の配線と、前記基体絶縁膜の他方の面上に形成された第2の配線と、前記基体絶縁膜に形成され前記第1の配線と前記第2の配線とを相互に接続するヴィアホールと、を有し、前記ヴィアホールの前記基体絶縁膜の厚さ方向における断面が樽型形状であることを特徴とする配線基板。
厚さが20乃至100μmで、その一方の面に凹部が形成された基体絶縁膜と、前記基体絶縁膜の前記凹部内に形成された第1の配線と、前記基体絶縁膜の他方の面上に形成された第2の配線と、前記基体絶縁膜に形成され前記第1の配線と前記第2の配線とを相互に接続するヴィアホールと、を有し、前記ヴィアホールの前記基体絶縁膜の厚さ方向における断面が釣り鐘形状であることを特徴とする配線基板。
厚さが20乃至100μmで、その一方の面に凹部が形成された基体絶縁膜と、前記基体絶縁膜の前記凹部内に形成された第1の配線と、前記基体絶縁膜の他方の面上に形成された第2の配線と、前記基体絶縁膜に形成され前記第1の配線と前記第2の配線とを相互に接続するヴィアホールと、を有し、前記ヴィアホールの前記基体絶縁膜の厚さ方向における断面が蛇腹形状であることを特徴とする配線基板。
前記基体絶縁膜の前記他方の面上に、複数の絶縁膜が積層された積層構造を有し、前記各絶縁膜間には夫々中間配線が形成されており、前記絶縁膜に形成されたヴィアホールが、前記基体絶縁膜の前記第2の配線と前記絶縁膜の下層に形成された前記配線同士及び前記絶縁膜の上層及び下層に形成された配線同士を相互に接続することを特徴とする付記1乃至3のいずれか1つに記載の配線基板。
前記ヴィアホールの前記絶縁膜の厚さ方向における断面が樽型形状、釣り鐘形状、又は蛇腹形状であることを特徴とする付記4に記載の配線基板。
前記ヴィアホールを介して相互に接続されている2つの配線の接続界面が、前記ヴィアホールの前記基体絶縁膜の厚さ方向における中央部分に存在していることを特徴とする付記1乃至5のいずれか1つに記載の配線基板。
前記第1の配線の表面と、前記基体絶縁膜の一方の面との間に0.5乃至10μmの段差が形成されていることを特徴とする付記1乃至6のいずれか1つに記載の配線基板。
前記第1の配線の表面と前記基体絶縁膜の一方の面とが同一平面上に位置していることを特徴とする付記1乃至6のいずれか1つに記載の配線基板。
前記基体絶縁膜の一方の面及び前記第1の配線上には保護膜が形成されており、この保護膜における前記第1の配線上に形成された部分の少なくとも一部には開口部が設けられており、前記開口部において前記第1の配線の表面が露出していることを特徴とする付記8に記載の配線基板。
前記基体絶縁膜の他方の面及び前記第2の配線上にはソルダーレジスト層が形成されており、このソルダーレジスト層における前記第2の配線上に形成された部分の少なくとも一部には開口部が設けられており、前記開口部において前記第2の配線の表面が露出していることを特徴とする付記1乃至3のいずれか1つに記載の配線基板。
前記絶縁膜の上層に形成された配線上にはソルダーレジスト層が形成されており、このソルダーレジスト層における前記配線上に形成された部分の少なくとも一部には開口部が設けられており、前記開口部において前記配線の表面が露出していることを特徴とする付記4又は5に記載の配線基板。
前記基体絶縁膜の他方の面にも凹部が形成されており、前記第2の配線はこの凹部内に形成されていることを特徴とする付記1乃至11のいずれか1つに記載の配線基板。
前記絶縁膜の厚さが20乃至100μmであることを特徴とする付記4又は5に記載の配線基板。
厚さが20乃至100μmで、その一方の面に凹部が形成された基体絶縁膜と、前記基体絶縁膜の前記凹部内に形成された第1の配線と、前記基体絶縁膜の他方の面上に形成された第2の配線と、前記基体絶縁膜に形成され前記第1の配線と前記第2の配線とを相互に接続するヴィアホールとを有する配線基板の製造方法であって、前記基体絶縁膜の一部を薬液によるデスミヤ処理することにより、前記ヴィアホールの前記基体絶縁膜の厚さ方向における断面を樽型形状、釣り鐘形状又は蛇腹形状にする工程を有することを特徴とする配線基板の製造方法。
付記1乃至13のいずれか1つに記載の配線基板と、この配線基板上に搭載された1又は複数の半導体デバイスと、を有することを特徴とする半導体パッケージ。
前記半導体デバイスは、前記配線基板の第1の配線に接続されていることを特徴とする付記15に記載の半導体パッケージ。
前記半導体デバイスは、前記配線基板の第2の配線に接続されていることを特徴とする付記15又は16に記載の半導体パッケージ。
更に、前記第1の配線又は前記第2の配線に接続されており、外部素子に接続される接続用端子を有することを特徴とする付記15乃至17のいずれか1つに記載の半導体パッケージ。
2;レジストパターン
3;導体配線層
4;エッチング容易層
5;エッチングバリア層
6;配線本体
7;基体絶縁膜
7a;凹部
8、38;内部導体
10、30、74、94;ヴィアホール
11;上層配線
12、32;ソルダーレジスト層
13、23、33、43、53、97;配線基板
14、24;バンプ
15、25;半導体デバイス
16;アンダーフィル
17;モールディング
18;はんだボール
19、29、39、49;半導体パッケージ
31;中間配線
37;中間絶縁層
26;マウント材
27;ワイヤ
28;接続ヴィア
41;保護膜
42;開口部
70、85;ビルドアッププリント基板
71、83;スルーホール
72、73、81、92、95;導体配線
73;ベースコア基板
75、93;層間絶縁膜
82;プリプレグ
84;導体ペースト
86;ランドパターン
91;支持板
96;支持体
Claims (14)
- 厚さが20乃至100μmで、その一方の面に凹部が形成された基体絶縁膜と、前記基体絶縁膜の前記凹部内に形成された第1の配線と、前記基体絶縁膜の他方の面上に形成された第2の配線と、前記基体絶縁膜に形成され前記第1の配線と前記第2の配線とを相互に接続するヴィアホールと、を有し、前記基体絶縁膜は耐デスミア性の異なる複数の層により構成されており、前記ヴィアホールの前記基体絶縁膜の厚さ方向における断面が釣り鐘形状であることを特徴とする配線基板。
- 前記基体絶縁膜の前記他方の面上に、複数の絶縁膜が積層された積層構造を有し、前記各絶縁膜間には夫々中間配線が形成されており、前記絶縁膜に形成されたヴィアホールが、前記基体絶縁膜の前記第2の配線と前記絶縁膜の下層に形成された前記配線同士及び前記絶縁膜の上層及び下層に形成された配線同士を相互に接続することを特徴とする請求項1に記載の配線基板。
- 前記ヴィアホールを介して相互に接続されている2つの配線の接続界面が、前記ヴィアホールの前記基体絶縁膜の厚さ方向における中央部分に存在していることを特徴とする請求項1又は2に記載の配線基板。
- 前記第1の配線の表面と、前記基体絶縁膜の一方の面との間に0.5乃至10μmの段差が形成されていることを特徴とする請求項1乃至3のいずれか1項に記載の配線基板。
- 前記第1の配線の表面と前記基体絶縁膜の一方の面とが同一平面上に位置していることを特徴とする請求項1乃至3のいずれか1項に記載の配線基板。
- 前記基体絶縁膜の一方の面及び前記第1の配線上には保護膜が形成されており、この保護膜における前記第1の配線上に形成された部分の少なくとも一部には開口部が設けられており、前記開口部において前記第1の配線の表面が露出していることを特徴とする請求項5に記載の配線基板。
- 前記基体絶縁膜の他方の面及び前記第2の配線上にはソルダーレジスト層が形成されており、このソルダーレジスト層における前記第2の配線上に形成された部分の少なくとも一部には開口部が設けられており、前記開口部において前記第2の配線の表面が露出していることを特徴とする請求項1に記載の配線基板。
- 前記絶縁膜の上層に形成された配線上にはソルダーレジスト層が形成されており、このソルダーレジスト層における前記配線上に形成された部分の少なくとも一部には開口部が設けられており、前記開口部において前記配線の表面が露出していることを特徴とする請求項2に記載の配線基板。
- 前記基体絶縁膜の他方の面にも凹部が形成されており、前記第2の配線はこの凹部内に形成されていることを特徴とする請求項1乃至8のいずれか1項に記載の配線基板。
- 前記絶縁膜の厚さが20乃至100μmであることを特徴とする請求項2に記載の配線基板。
- 請求項1乃至10のいずれか1項に記載の配線基板と、この配線基板上に搭載された1又は複数の半導体デバイスと、を有することを特徴とする半導体パッケージ。
- 前記半導体デバイスは、前記配線基板の第1の配線に接続されていることを特徴とする請求項11に記載の半導体パッケージ。
- 前記半導体デバイスは、前記配線基板の第2の配線に接続されていることを特徴とする請求項11又は12に記載の半導体パッケージ。
- 更に、前記第1の配線又は前記第2の配線に接続されており、外部素子に接続される接続用端子を有することを特徴とする請求項11乃至13のいずれか1項に記載の半導体パッケージ。
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