JP6469213B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP6469213B2 JP6469213B2 JP2017510236A JP2017510236A JP6469213B2 JP 6469213 B2 JP6469213 B2 JP 6469213B2 JP 2017510236 A JP2017510236 A JP 2017510236A JP 2017510236 A JP2017510236 A JP 2017510236A JP 6469213 B2 JP6469213 B2 JP 6469213B2
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- hole
- insulating layer
- opening
- region
- wiring
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Description
[半導体装置の構成]
[貫通孔及びその周辺部分の構成]
[作用及び効果]
[変形例]
[参考形態の半導体装置]
Claims (10)
- 互いに対向する第1表面及び第2表面を有し、前記第1表面から前記第2表面に至る貫通孔が形成された半導体基板と、
前記第1表面に設けられ、一部が前記貫通孔の前記第1表面側の第1開口上に位置する第1配線と、
前記貫通孔の内面及び前記第2表面に設けられ、前記貫通孔の前記第2表面側の第2開口を介して連続する絶縁層と、
前記絶縁層の表面に設けられ、前記絶縁層の前記第1表面側の開口において前記第1配線に電気的に接続された第2配線と、を備え、
前記貫通孔は、垂直孔であり、
前記貫通孔の中心線を含む平面について、前記中心線の両側の領域のそれぞれに着目した場合において、前記絶縁層の前記開口の縁に対応する第1点と、前記第2開口の縁に対応する第2点とを結ぶ線分を第1線分とし、前記第2点と、前記第2開口と前記絶縁層の前記表面とが交差する点に対応する第3点とを結ぶ線分を第2線分とし、前記第3点と前記第1点とを結ぶ線分を第3線分としたときに、前記第1線分に対して前記貫通孔の前記内面側に位置する前記絶縁層の第1面積は、前記第1線分、前記第2線分及び前記第3線分によって囲まれる前記絶縁層の第2面積と、前記第3線分に対して前記貫通孔の前記内面とは反対側に位置する前記絶縁層の第3面積との和よりも大きく、前記絶縁層の前記表面は、前記第1開口と前記第2開口との間において前記第1線分と交差していない、半導体装置。 - 前記第1点での前記絶縁層の前記表面の傾斜角度は、前記第3点での前記絶縁層の前記表面の傾斜角度よりも大きい、請求項1記載の半導体装置。
- 前記貫通孔の前記内面に設けられた前記絶縁層の前記表面の平均傾斜角度は、前記貫通孔の前記内面の平均傾斜角度よりも小さい、請求項1又は2記載の半導体装置。
- 前記貫通孔の前記中心線を含む前記平面について、前記中心線の両側の前記領域のそれぞれに着目した場合に、前記第1点と、前記第1開口の縁に対応する第4点との距離は、前記絶縁層の前記開口の幅よりも大きい、請求項1〜3のいずれか一項記載の半導体装置。
- 前記第1配線の前記一部は、前記第1開口を覆うパッド部であり、
前記第1開口の縁と前記絶縁層の前記開口の縁との距離は、前記第1開口の縁と前記パッド部の縁との距離よりも大きい、請求項1〜4のいずれか一項記載の半導体装置。 - 前記貫通孔の深さを前記第2開口の幅で除した値であるアスペクト比は、1以下である、請求項1〜5のいずれか一項記載の半導体装置。
- 前記絶縁層は、樹脂からなる、請求項1〜6のいずれか一項記載の半導体装置。
- 前記貫通孔の前記内面に設けられた前記絶縁層の前記表面は、連続した面として構成されている、請求項1〜7のいずれか一項記載の半導体装置。
- 前記貫通孔の前記内面に設けられた前記絶縁層の前記表面と、前記第2表面に設けられた前記絶縁層の前記表面とは、連続した面として構成されている、請求項1〜8のいずれか一項記載の半導体装置。
- 複数の第3配線が設けられた第3表面を有し、前記第3表面が前記第2表面に対向するように配置された搭載基板を更に備え、
前記半導体基板には、ガイガーモードで動作する複数のアバランシェフォトダイオードが設けられており、
前記貫通孔、前記第1配線及び前記第2配線は、複数の前記アバランシェフォトダイオードのそれぞれに対応するように設けられており、
複数の前記アバランシェフォトダイオードのそれぞれは、対応する前記第1配線を介して、対応する前記第2配線に電気的に接続されており、
複数の前記第3配線のそれぞれは、バンプ電極を介して、対応する前記第2配線に電気的に接続されている、請求項1〜9のいずれか一項記載の半導体装置。
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