JP2020056711A - センサー用パッケージ基板及びこれを備えるセンサーモジュール - Google Patents
センサー用パッケージ基板及びこれを備えるセンサーモジュール Download PDFInfo
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Abstract
Description
ある。
100A〜100E センサーモジュール
101 センサー用パッケージ基板の一方の表面
102 センサー用パッケージ基板の他方の表面
111〜114 絶縁層
121,122 ソルダーレジスト
130 外部端子
131〜134 配線パターン
131a〜134a 金属膜
133b 開口
141〜144 スルーホール導体
150 コントローラチップ
151 コントローラチップの主面
160 センサーチップ
161 検出部
162 ボンディングワイヤ
163 ダイアタッチフィルム
164 半田ボール
171,172 ドライフィルム
180 防塵フィルター
181 ダイアタッチフィルム
190 キャップ
191 空間
200 マザーボード
A 第1の搭載領域
B 第2の搭載領域
L1〜L4 配線層
S1,S2 段差部
V1,V2 貫通孔
V1a 第1の区間
V1b 第2の区間
V1c 第3の区間
Claims (11)
- センサーチップを搭載するための第1の搭載領域と、平面視で前記第1の搭載領域と重なる位置に設けられ、一方の表面から他方の表面に亘って貫通する貫通孔を有するセンサー用パッケージ基板であって、
前記貫通孔は、第1の径を有する第1の区間と、前記第1の径よりも小さい第2の径を有する第2の区間とを含み、
前記第1の区間と前記第2の区間の境界に位置する前記貫通孔内の段差部は、防塵フィルターを搭載するための第2の搭載領域を構成することを特徴とするセンサー用パッケージ基板。 - 前記貫通孔の前記第1の区間は前記一方の表面に開口し、前記第1の搭載領域は前記一方の表面に位置することを特徴とする請求項1に記載のセンサー用パッケージ基板。
- 前記貫通孔の前記第2の区間は、前記他方の表面に開口することを特徴とする請求項2に記載のセンサー用パッケージ基板。
- 前記貫通孔の前記第1及び第2の区間の少なくとも一方は、深さ位置によって径が連続的に変化するテーパー形状を有することを特徴とする請求項1乃至3のいずれか一項に記載のセンサー用パッケージ基板。
- 前記貫通孔の前記第1の区間は前記他方の表面に開口し、前記第1の搭載領域は前記一方の表面に位置することを特徴とする請求項1に記載のセンサー用パッケージ基板。
- 前記貫通孔は、前記第2の径よりも大きい第3の径を有する第3の区間をさらに含み、
前記第2の区間は、前記第1の区間と前記第2の区間の間に位置することを特徴とする請求項1に記載のセンサー用パッケージ基板。 - 前記第2の区間と前記第3の区間の境界に位置する前記貫通孔内の段差部は、前記第1の搭載領域を構成することを特徴とする請求項6に記載のセンサー用パッケージ基板。
- 前記貫通孔は、前記第1の径よりも大きい第3の径を有する第3の区間をさらに含み、
前記第1の区間は、前記第2の区間と前記第3の区間の間に位置し、
前記第1の区間と前記第3の区間の境界に位置する前記貫通孔内の段差部は、前記第1の搭載領域を構成することを特徴とする請求項1に記載のセンサー用パッケージ基板。 - 前記センサーチップに接続される電子部品をさらに備え、
前記第1の搭載領域と前記電子部品は、平面視で重なりを有していることを特徴とする請求項1乃至8のいずれか一項に記載のセンサー用パッケージ基板。 - 請求項1乃至9のいずれか一項に記載のセンサー用パッケージ基板と、前記第1の搭載領域に搭載されたセンサーチップと、前記第2の搭載領域に搭載された防塵フィルターとを備えることを特徴とするセンサーモジュール。
- 前記センサーチップは、空気の振動、圧力、温度又は組成を検出するセンサーであることを特徴とする請求項10に記載のセンサーモジュール。
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