JP6974499B2 - 電子素子実装用基板、電子装置および電子モジュール - Google Patents
電子素子実装用基板、電子装置および電子モジュール Download PDFInfo
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- JP6974499B2 JP6974499B2 JP2019557263A JP2019557263A JP6974499B2 JP 6974499 B2 JP6974499 B2 JP 6974499B2 JP 2019557263 A JP2019557263 A JP 2019557263A JP 2019557263 A JP2019557263 A JP 2019557263A JP 6974499 B2 JP6974499 B2 JP 6974499B2
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Description
以下、本発明のいくつかの例示的な実施形態について図面を参照して説明する。なお、以下の説明では、電子素子実装用基板に電子素子が実装された構成を電子装置とする。また、電子素子実装用基板の上面側に位置するようにまたは電子装置を囲んで設けられた筐体または部材を有する構成を電子モジュールとする。電子素子実装用基板、電子装置および電子モジュールは、いずれの方向が上方若しくは下方とされてもよいが、便宜的に、直交座標系xyzを定義するとともに、z方向の正側を上方とする。
図1〜図9を参照して本発明の第1の実施形態における電子モジュール31、電子装置21、および電子素子実装用基板1について説明する。なお、本実施形態では図1および図2では電子装置21を示しており、図3では電子モジュール31を示している。また、図4〜図7に電子素子実装用基板1の内層の図を示す。また、図8および図9において要部Aの図を示す。本実施形態における電子装置21は、電子素子実装用基板1と電子素子10とを備えている。図4〜図9では第2貫通空間を点線で示している。
図2に電子装置21の例を示す。電子装置21は、電子素子実装用基板1と、電子素子実装用基板1の上面または下面に実装された電子素子10を備えている。
図3に電子素子実装用基板1を用いた電子モジュール31の一例を示す。電子モジュール31は、電子装置21と電子装置21の上面または電子装置21を覆うように設けられた筐体32とを有している。なお、以下に示す例では説明のため撮像モジュールを例に説明する。
次に、本実施形態の電子素子実装用基板1および電子装置21の製造方法の一例について説明する。なお、下記で示す製造方法の一例は、多数個取り配線基板を用いた基板2の製造方法である。
次に、本発明の第2の実施形態による電子素子実装用基板1について、図10〜図11を参照しつつ説明する。なお、図10は本実施形態における電子素子実装用基板1、電子装置21の形状を示している。図11に電子素子実装用基板1の内層の図を示す。なお、図11に示す例では、第1貫通空間5aと第2貫通空間5bと第3貫通孔5cのみを記載しており、内部配線導体、貫通導体その他は省略しているが、実際の製品においてはこれらを含んでいてもよい。
次に、本発明の第3の実施形態による電子素子実装用基板1について、図12を参照しつつ説明する。
次に、本発明の第4の実施形態による電子素子実装用基板1について、図13および図14を参照しつつ説明する。
2・・・・基板
2a・・・第1層
2b・・・第2層
2c・・・第3層
2d・・・第4層
2f・・・その他の層
3・・・・電極パッド
4・・・・無機基板
5・・・・貫通孔
5a・・・第1貫通空間
5b・・・第2貫通空間
5c・・・第3貫通孔
5f・・・その他の貫通孔
6・・・・通路
10・・・電子素子
12・・・蓋体
13・・・電子素子接合材
14・・・蓋体接合材
21・・・電子装置
31・・・電子モジュール
32・・・筐体
Claims (16)
- 第1層と、前記第1層の下面に位置した第2層とを有するとともに、電子素子が実装される基板と、
前記第1層を厚み方向に貫通した、複数の第1貫通空間と、
前記第2層を厚み方向に貫通するとともに、平面視において前記複数の第1貫通空間と重なって位置した第2貫通空間とを備えており、
前記複数の第1貫通空間のそれぞれと前記第2貫通空間とは連続しており、前記第2貫通空間の端部は、最も外側に位置する前記第1貫通空間の外辺よりも平面視において外側に位置していることを特徴とする電子素子実装用基板。 - 第1層と、前記第1層の下面に位置した第2層とを有するとともに、電子素子が実装される基板と、
前記第1層を厚み方向に貫通するとともに、平面視において第1方向に沿って伸びる、複数の第1貫通空間と、
前記第2層を厚み方向に貫通するとともに、平面視において前記複数の第1貫通空間と重なって位置した第2貫通空間とを備えており、
前記複数の第1貫通空間のそれぞれと前記第2貫通空間とは連続しており、平面視において前記第1方向における前記第1貫通空間の端部は、前記第1方向に垂直な方向における前記第1貫通空間の寸法の最大値を有していることを特徴とする電子素子実装用基板。 - 前記複数の第1貫通空間は、互いに並行して位置していることを特徴とする請求項1または2に記載の電子素子実装用基板。
- 平面視において、前記複数の第1貫通空間および前記第2貫通空間は矩形状であり、
前記第1貫通空間の長辺のそれぞれは、前記第2貫通空間の長辺よりも長いことを特徴とする請求項1〜3のいずれか1つに記載の電子素子実装用基板。 - 前記複数の第1貫通空間のうち平面視において最も外側に位置する部位は、前記第2貫通空間の端部よりも平面視において外側に位置していることを特徴とする請求項1〜4のいずれか1つに記載の電子素子実装用基板。
- 前記第1貫通空間の端部は平面視において曲線を有していることを特徴とする請求項1〜5のいずれか1つに記載の電子素子実装用基板。
- 前記第2貫通空間の端部は平面視において曲線を有していることを特徴とする請求項1〜6のいずれか1つに記載の電子素子実装用基板。
- 少なくとも1つの前記第1貫通空間の端部は前記基板の端部と重なって位置していることを特徴とする請求項1〜7のいずれか1つに記載の電子素子実装用基板。
- 前記第2層の下面に位置した、第3層をさらに備えていることを特徴とする請求項1〜8のいずれか1つに記載の電子素子実装用基板。
- 前記第3層の下面に位置した、無機基板をさらに備えていることを特徴とする請求項9に記載の電子素子実装用基板。
- 前記第2層の下面に位置した、無機基板をさらに備えていることを特徴とする請求項1〜8のいずれか1つに記載の電子素子実装用基板。
- 前記複数の第1貫通空間は、3つ以上であって、
前記第2貫通空間は、全ての前記第1貫通空間の端部同士をつないでいることを特徴とする請求項1〜11のいずれか1つに記載の電子素子実装用基板。 - 前記第2貫通空間は、隣り合う前記第1貫通空間のそれぞれの端部と重なって位置することを特徴とする請求項1〜12のいずれか1つに記載の電子素子実装用基板。
- 前記複数の第1貫通空間と少なくとも1つの前記第2貫通空間は、順次連続してひとつながりになっていることを特徴とする請求項1〜12のいずれか1つに記載の電子素子実装用基板。
- 請求項1〜14のいずれか1つに記載の電子素子実装用基板と、
前記電子素子実装用基板に位置した電子素子とを備えていることを特徴とする電子装置。 - 請求項15に記載の電子装置と、
前記電子装置の上方に位置した筐体とを備えていることを特徴とする電子モジュール。
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