JP2020077855A - チップパッケージおよびその製造方法 - Google Patents
チップパッケージおよびその製造方法 Download PDFInfo
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
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Abstract
Description
100…基板
100a…第1の表面
100b…第2の表面
100c、110a…側壁表面
101、103、129a、132a、140、142a、232a、233…開口
101a、103a…ホール
102…センサー領域
106…導電パッド
110…絶縁層
114…光学素子
116…キャビティ
120…スペーサー層
128…電気分離材料層
129…マスク層
130a、230a…第1の分離部
130b、230b…第2の分離部
131…パターン化マスク層
132、232…電気分離構造
134a、234a、334a…第1の導電部
134b、234b、334b…第2の導電部
136、236、336…第1の導電構造
142…パッシベーション層
144…第2の導電構造
200…カバープレート
337…凹部
C…チップ領域
D…距離
SC…スクライブライン領域
W…幅
Claims (29)
- 第1の表面と前記第1の表面に対向する第2の表面とを有し、かつ第1の開口と前記第1の開口を取り囲む第2の開口とを有する基板であって、前記基板が、前記基板内に位置すると共に前記基板の前記第1の表面に隣接しているセンサーデバイスを含む基板と、
前記基板の前記第1の開口中に位置する第1の導電部、および前記基板の前記第2の表面上方に位置する第2の導電部を含む第1の導電構造と、
前記基板の前記第2の開口中に位置して、前記第1の導電部を取り囲んでいる第1の分離部、および前記第1の分離部から前記基板の前記第2の表面と前記第2の導電部との間にて延伸する第2の分離部を含む電気分離構造と、
を含むチップパッケージ。 - 前記第2の導電部および前記第2の分離部を覆うパッシベーション層と、
前記パッシベーション層を貫通して前記第2の導電部に電気接続する第2の導電構造と、
をさらに含む請求項1に記載のチップパッケージ。 - 前記基板の前記第1の表面上方に設けられたカバープレートと、
前記基板と前記カバープレートとの間に設けられたスペーサー層と、
をさらに含み、
前記パッシベーション層が前記基板縁辺の側壁表面に沿って前記スペーサー層内に延伸する、請求項2に記載のチップパッケージ。 - 前記第1の導電部が前記基板の前記第1の開口の側壁および底部をコンフォーマルに覆い、かつ前記パッシベーション層が前記第1の開口中に延伸して、前記第1の開口中の前記第1の導電部と前記パッシベーション層との間にホールが形成される、請求項2に記載のチップパッケージ。
- 前記第1の分離部が前記基板の前記第2の開口中に部分的に充填されて、前記第2の開口底部と前記第1の分離部との間にホールが形成される、請求項1に記載のチップパッケージ。
- 前記電気分離構造が酸化物またはフォトレジスト材料を含む、請求項1に記載のチップパッケージ。
- 前記第1の導電部の一部が前記基板の前記第2の表面から突出して、前記第2の分離部の一部が、前記第2の導電部と、前記基板の前記第2の表面から突出する前記第1の導電部の前記一部との間に位置している、請求項1に記載のチップパッケージ。
- 前記第1の導電部がT字形の輪郭を有する、請求項7に記載のチップパッケージ。
- 前記第1の導電部が凹部を有し、かつ前記第2の分離部が前記凹部に対応する第3の開口を有しており、前記第2の導電部が前記凹部および前記第3の開口を通って前記基板の前記第2の表面上方に延伸する、請求項1に記載のチップパッケージ。
- 前記第2の導電部が前記第1の導電部から延伸して、前記第2の導電部と前記第1の導電部とが同一の導電材料層から構成されている、請求項1に記載のチップパッケージ。
- 前記第2の導電部が前記第1の導電部に接続し、かつ第2の導電部と前記第1の導電部とが異なる導電材料層から構成される、請求項1に記載のチップパッケージ。
- 前記第1の開口と前記第2の開口とは所定の距離だけ離間しており、かつ前記距離が前記第1の開口の幅よりも小さいかまたはこれに等しい、請求項1に記載のチップパッケージ。
- 前記基板の前記第1の表面を覆う絶縁層をさらに含み、前記絶縁層はその中に導電パッドを有し、かつ前記第1の導電部が前記絶縁層内に延伸して前記導電パッドと電気接続している、請求項1に記載のチップパッケージ。
- 前記第2の開口が前記絶縁層内に延伸して前記導電パッドを露出させる、請求項13に記載のチップパッケージ。
- 前記導電パッドの一部が前記第2の開口の縁辺から横方向に突出する、請求項14に記載のチップパッケージ。
- 第1の表面と前記第1の表面に対向する第2の表面とを有する基板であって、前記基板が、前記基板内に位置すると共に前記基板の前記第1の表面に隣接しているセンサーデバイスを含む基板を準備する工程と、
第1の開口と前記第1の開口を取り囲む第2の開口とを前記基板に形成する工程と、
電気分離構造の第1の分離部を前記基板の前記第2の開口内に形成し、かつ前記電気分離構造の第2の分離部を前記基板の前記第2の表面上方に形成する工程であって、前記第2の分離部が前記第1の分離部から延伸する、工程と、
第1の導電構造の第1の導電部を前記基板の前記第1の開口内に形成する工程と、
を含むチップパッケージの製造方法。 - カバープレートを前記基板の前記第1の表面上方に形成する工程と、
スペーサー層を前記基板と前記カバープレートとの間に形成する工程と、
をさらに含む請求項16に記載のチップパッケージの製造方法。 - 前記第1の導電部を形成する過程で、前記第1の導電構造の第2の導電部を前記第2の分離部上方に形成する工程であって、前記第2の導電部は前記第1の導電部から延伸し、かつ前記第2の導電部と前記第1の導電部とが同じ導電材料層から構成される、工程と、
パッシベーション層を形成して前記第2の導電部および前記第2の分離部を覆う工程と、
第2の導電構造を、前記パッシベーション層を貫通するように形成して前記第2の導電部と電気接続させる工程と
をさらに含む請求項17に記載のチップパッケージの製造方法。 - 前記第1の導電部が前記基板の前記第1の開口の側壁および底部をコンフォーマルに覆い、かつ前記パッシベーション層が前記第1の開口内に延伸して、前記第1の開口内の前記第1の導電部と前記パッシベーション層との間にホールが形成される、請求項18に記載のチップパッケージの製造方法。
- 前記第1の導電構造の第2の導電部を前記第2の分離部上方に形成し、かつ前記第1の導電部に接続させる工程であって、前記第2の導電部と前記第1の導電部とは異なる導電材料層から構成される、工程と、
パッシベーション層を形成して前記第2の導電部および前記第2の分離部を覆う工程と、
第2の導電構造を、前記パッシベーション層を貫通するように形成して前記第2の導電部に電気接続させる工程と、
をさらに含む請求項17に記載のチップパッケージの製造方法。 - 前記第1の分離部が前記基板の前記第2の開口中に部分的に充填されて、前記第2の開口底部と前記第1の分離部との間にホールが形成される、請求項16に記載のチップパッケージの製造方法。
- 前記電気分離構造が酸化物またはフォトレジスト材料を含む、請求項16に記載のチップパッケージの製造方法。
- 前記第1の導電部の一部が前記基板の前記第2の表面から突出して、前記第1の導電部がT字形の輪郭を有するようになっている、請求項16に記載のチップパッケージの製造方法。
- 前記第1の導電部が凹部を有し、かつ前記第2の分離部が前記凹部に対応する第3の開口を有しており、前記第2の導電部が前記凹部および前記第3の開口を通って前記基板の前記第2の表面上方にて延伸する、請求項16に記載のチップパッケージの製造方法。
- 前記第1の開口と前記第2の開口とは所定の距離だけ離間しており、かつ前記距離が前記第1の開口の幅よりも小さいかまたはこれに等しい、請求項16に記載のチップパッケージの製造方法。
- 絶縁層を前記基板の前記第1の表面に形成し、かつ導電パッドを前記絶縁層内に形成する工程をさらに含む請求項16に記載のチップパッケージの製造方法。
- 前記第1の開口を前記絶縁層内に延伸させる工程をさらに含み、前記第1の導電部は前記第1の開口を通って前記絶縁層内に延伸し、前記導電パッドと電気接続する、請求項26に記載のチップパッケージの製造方法。
- 前記第2の開口を前記絶縁層内に延伸させて前記導電パッドを露出させる工程をさらに含む請求項26に記載のチップパッケージの製造方法。
- 前記導電パッドの一部が前記第2の開口の縁辺から横方向に突出する、請求項28に記載のチップパッケージの製造方法。
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