JP6373574B2 - 回路基板及びその製造方法 - Google Patents
回路基板及びその製造方法 Download PDFInfo
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- JP6373574B2 JP6373574B2 JP2013263575A JP2013263575A JP6373574B2 JP 6373574 B2 JP6373574 B2 JP 6373574B2 JP 2013263575 A JP2013263575 A JP 2013263575A JP 2013263575 A JP2013263575 A JP 2013263575A JP 6373574 B2 JP6373574 B2 JP 6373574B2
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Description
11、21 外部電極
12 接着剤
100、200、300、400、500、600、700 回路基板
110、210 無機物絶縁層
120 第1の上ビルドアップ絶縁層
120’ 第1の下ビルドアップ絶縁層
211 凹部
230 第2のビルドアップ絶縁層
240 第3のビルドアップ絶縁層
412、512、612 キャビティ
510 第1の無機物絶縁層
513 第2の無機物絶縁層
515 接着層
P1 第1の回路パターン層
P2 第2の回路パターン層
P3 第3の回路パターン層
P4 第4の回路パターン層
Vt スルービア
V1 第1のビア
V2 第2のビア
V3 第3のビア
SR ソルダレジスト
SB ソルダボール
F 認識マーク
PR レジストパターン
Claims (17)
- 無機物絶縁層と、
前記無機物絶縁層の表面に形成される第1の回路パターン層と、
前記無機物絶縁層上に形成される有機物材料の第1のビルドアップ絶縁層と、
前記第1のビルドアップ絶縁層の表面に形成される第2の回路パターン層と、
前記無機物絶縁層の一領域に凹部が設けられ、前記凹部内に少なくとも一部が挿入され、少なくとも一面に外部電極が設けられた電子部品と、
を含み、
前記第1のビルドアップ絶縁層は、前記電子部品をカバーし、前記無機物絶縁層の上部に形成される第1の上ビルドアップ絶縁層及び前記無機物絶縁層の下部に形成される第1の下ビルドアップ絶縁層を含み、
前記外部電極は、前記第1の上ビルドアップ絶縁層の方に位置し、前記第1の上ビルドアップ絶縁層上に形成されるビルドアップ層の層数が前記第1の下ビルドアップ絶縁層上に形成されるビルドアップ層の層数より多いことを特徴とする回路基板。 - 前記無機物絶縁層は、ガラスシートまたは板ガラスであることを特徴とする請求項1に記載の回路基板。
- 前記第1の回路パターン層は、前記無機物絶縁層の両面に形成され、前記無機物絶縁層を貫くビアによって電気的に接続されることを特徴とする請求項2に記載の回路基板。
- 前記第1のビルドアップ絶縁層上に少なくとも一つのビルドアップ層がさらに設けられることを特徴とする請求項2に記載の回路基板。
- 前記無機物絶縁層は、
貫通孔として形成されるキャビティが設けられた第1の無機物絶縁層と、
第1の無機物絶縁層の下面に結合される接着層と、
前記接着層の下面に結合される第2の無機物絶縁層とを備え、
前記キャビティ内に配された前記電子部品の下面と前記接着層の上面が接着されていることを特徴とする請求項1に記載の回路基板。 - 前記無機物絶縁層の一領域には、前記無機物絶縁層を貫くキャビティが設けられ、
前記キャビティ内に少なくとも一部が挿入され、少なくとも一面に外部電極が設けられた電子部品をさらに含み、
前記第1のビルドアップ絶縁層は、前記電子部品をカバーすることを特徴とする請求項1に記載の回路基板。 - 前記電子部品は、キャパシターであることを特徴とする請求項6に記載の回路基板。
- キャビティまたは凹部が形成された無機物絶縁層と、
前記無機物絶縁層の表面に設けられる認識マークと、
前記キャビティまたは前記凹部内に少なくとも一部が挿入され、少なくとも一面に外部電極が設けられた電子部品と、
前記無機物絶縁層上に形成される有機物材料の第1のビルドアップ絶縁層と、
前記第1のビルドアップ絶縁層の表面に形成される第2の回路パターン層と、
を含み、
前記第1のビルドアップ絶縁層は、前記無機物絶縁層の上部に形成される第1の上ビルドアップ絶縁層及び前記無機物絶縁層の下部に形成される第1の下ビルドアップ絶縁層を含み、
前記外部電極は、前記第1の上ビルドアップ絶縁層の方に位置し、
前記第1の上ビルドアップ絶縁層上に形成されるビルドアップ層の層数が前記第1の下ビルドアップ絶縁層上に形成されるビルドアップ層の層数より多いことを特徴とする回路基板。 - 前記無機物絶縁層は、ガラスシートまたは板ガラスであることを特徴とする請求項8に記載の回路基板。
- 前記第2の回路パターン層は、前記第1の上ビルドアップ絶縁層の上面に設けられる第2の上部回路パターン層及び前記第1の下ビルドアップ絶縁層の下面に設けられる第2の下部回路パターン層を含み、
前記第2の上部回路パターン層及び前記第2の下部回路パターン層は、前記第1のビルドアップ絶縁層及び前記無機物絶縁層を貫くビアによって電気的に接続されることを特徴とする請求項9に記載の回路基板。 - 前記ビアは、前記認識マークを貫くことを特徴とする請求項10に記載の回路基板。
- 前記外部電極は、ビアによって前記第2の上部回路パターン層及び前記第2の下部回路パターン層のうちの少なくともいずれか一つと電気的に接続されることを特徴とする請求項10に記載の回路基板。
- 前記電子部品は、キャパシターであることを特徴とする請求項12に記載の回路基板。
- 無機物絶縁層の表面に第1の回路パターン層を形成するステップと、
前記無機物絶縁層に凹部またはキャビティを形成するステップと、
外部電極が設けられた電子部品の少なくとも一部を前記凹部または前記キャビティに挿入するステップと、
前記無機物絶縁層上に有機物材料の第1のビルドアップ絶縁層を形成するステップと、
前記第1のビルドアップ絶縁層を貫いて前記第1の回路パターン層及び前記外部電極のうちの少なくともいずれか一つの表面を露出させるビアホールを形成するステップと、
前記ビアホール内に導電性材料を形成し、前記第1のビルドアップ絶縁層の表面に第2の回路パターン層を形成するステップと、
を含み、
前記外部電極が設けられた電子部品の少なくとも一部を前記凹部または前記キャビティに挿入するステップは、
前記キャビティが形成された無機物絶縁層の下面に接着層を結合した状態で、前記電子部品の下面を前記接着層に接触させた後、前記接着層の下面に付加無機物絶縁層を結合して行われることを特徴とする回路基板製造方法。 - 前記無機物絶縁層に凹部またはキャビティを形成するステップは、
前記無機物絶縁層上に前記凹部またはキャビティを形成する領域を露出させるレジストパターンを形成するステップと、
該露出領域をウェトエッチングして凹部またはキャビティを形成してから前記レジストパターンを除去するステップと、
を含むことを特徴とする請求項14に記載の回路基板製造方法。 - 前記第1のビルドアップ絶縁層は、前記無機物絶縁層の上部に形成される第1の上ビルドアップ絶縁層及び前記無機物絶縁層の下部に形成される第1の下ビルドアップ絶縁層を含み、
前記第1の上ビルドアップ絶縁層及び前記第1の下ビルドアップ絶縁層上に少なくとも一つのビルドアップ層を形成するステップをさらに含み、
前記第1の上ビルドアップ絶縁層に形成されるビルドアップ層の層数と、前記第1の下ビルドアップ絶縁層上に形成されるビルドアップ層の層数とは異なることを特徴とする請求項14に記載の回路基板製造方法。 - 前記無機物絶縁層に表面エッチング、強化及び不透明処理の中から選択される少なくとも一つの前処理過程をさらに行うことを特徴とする請求項14に記載の回路基板製造方法。
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