JP6732932B2 - 撮像素子実装用基体、撮像装置および撮像モジュール - Google Patents
撮像素子実装用基体、撮像装置および撮像モジュール Download PDFInfo
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- JP6732932B2 JP6732932B2 JP2018547747A JP2018547747A JP6732932B2 JP 6732932 B2 JP6732932 B2 JP 6732932B2 JP 2018547747 A JP2018547747 A JP 2018547747A JP 2018547747 A JP2018547747 A JP 2018547747A JP 6732932 B2 JP6732932 B2 JP 6732932B2
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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、撮像素子実装用基体の第1実装領域に第1撮像素子、および第2実装領域に第2撮像素子が実装された構成を撮像装置とする。また、撮像素子実装用基体のそれぞれの撮像素子の上面側に位置したそれぞれのレンズ鏡筒を有する構成を撮像モジュールとする。撮像素子実装用基体、撮像装置および撮像モジュールは、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1A〜図6Bを参照して本発明の第1の実施形態における撮像装置21、および撮像素子実装用基体1について説明する。図1Aおよび図1Bでは、蓋体12及びそれに付随する図面を削除した撮像装置21を、図2A、図2B、図5Aおよび図5Bでは、蓋体12およびそれに付随する部品を記載した撮像装置21を、図3A、図3B、図4A、図4B、図6A及び図6Bでは撮像モジュール31を示している。
図1A、図1B、図2A、図2B、図5Aおよび図5Bに撮像装置21の例を示す。撮像装置21は、撮像素子実装用基体1と、撮像素子実装用基体1の第1実装領域4aに実装された第1撮像素子10aと、撮像素子実装用基体1の第2実装領域4bに実装された第2撮像素子10bとを備えている。第1撮像素子10aおよび第2撮像素子10bは、例えばCMOS、CCD等である。
図3A、図3B、図4A、図4B、図6Aおよび図6Bに、撮像素子実装用基体1を用いた撮像モジュール31を示す。撮像モジュール31は、撮像装置21と、撮像装置21の上面に接合された、第1実装領域4aを取り囲む第1レンズ鏡筒19aと、撮像装置21の上面に接合された、第2実装領域4bを取り囲む第2レンズ鏡筒19bを有している。
次に、本実施形態の撮像素子実装用基体1および撮像装置21および撮像モジュール31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、基体2を多数個取り配線基体を用いた製造方法である。
次に、本発明の第2の実施形態による撮像モジュール31について、図7A〜図8Bを参照しつつ説明する。本実施形態における撮像モジュール31において、第1の実施形態の撮像モジュール31と異なる点は、縦断面視において凹部2cの形状が異なっている点である。
次に、本発明の第3の実施形態による撮像モジュール31について、図9Aおよび図9Bを参照しつつ説明する。本実施形態における撮像モジュール31において、第1の実施形態の撮像モジュール31と異なる点は、第1撮像素子10aと第2撮像素子10bとの大きさが異なる点である。
次に、本発明の第4の実施形態による撮像素子実装用基体1、撮像装置21および撮像モジュール31について、図10A、図10B、図11Aおよび図11Bを参照しつつ説明する。本実施形態における撮像素子実装用基体1、撮像装置21および撮像モジュール31において、第1の実施形態の撮像モジュール31と異なる点は、基体2を構成する部材の1つに金属基板が使用されている点である。
次に、本発明の第5の実施形態による撮像素子実装用基体1、撮像装置21および撮像モジュール31について、図12Aおよび図12Bを参照しつつ説明する。本実施形態における撮像素子実装用基体1、撮像装置21および撮像モジュール31において、第4の実施形態の撮像素子実装用基体1、撮像装置21および撮像モジュール31と異なる点は、基体2の下面に金属基板2dが使用されている点である。
次に、本発明の第6の実施形態による撮像素子実装用基体1について、図13Aおよび図13Bを参照しつつ説明する。本実施形態における撮像モジュール31において、第1の実施形態の撮像モジュール31と異なる点は、基体2の一部にフレキシブル基板2eが使用されている点である。
次に、本発明の第7の実施形態による撮像素子実装用基体1、撮像装置21および撮像モジュール31について、図14Aおよび図14Bを参照しつつ説明する。本実施形態における撮像素子実装用基体1、撮像装置21および撮像モジュール31において、第4の実施形態の撮像素子実装用基体1、撮像装置21および撮像モジュール31と異なる点は、基体2は枠部2aと金属基板2dとの間にフレキシブル基板2eが位置している点である。
次に、本発明の第8の実施形態による撮像素子実装用基体1、撮像装置21および撮像モジュール31について、図15Aおよび図15Bを参照しつつ説明する。本実施形態における撮像素子実装用基体1、撮像装置21および撮像モジュール31において、第1の実施形態の撮像素子実装用基体1、撮像装置21および撮像モジュール31と異なる点は、基体2は上面に第2の基体5が位置している点である。
次に、本発明の第9の実施形態による撮像素子実装用基体1、撮像装置21および撮像モジュール31について、図16を参照しつつ説明する。本実施形態における撮像素子実装用基体1、撮像装置21および撮像モジュール31において、第1の実施形態の撮像素子実装用基体1、撮像装置21および撮像モジュール31と異なる点は、基体2の第1実装領域4aと重なる位置に第1実装領域4aよりも小さい第2の凹部2fが位置しており、第2の凹部2fには電子部品11が実装されている点である。
次に、本発明の第10の実施形態による撮像素子実装用基体1および撮像装置21について、図17Aおよび図17Bを参照しつつ説明する。本実施形態における撮像素子実装用基体1および撮像装置21において、第9の実施形態の撮像素子実装用基体1および撮像装置21と異なる点は、基体2の第1実装領域4aと重なる位置に第1実装領域4aよりも大きい第2の凹部2fが位置しており、第2の凹部2fと重なる位置に凹部2cが位置している点である。
2・・・・基体
2a・・・枠部
2b・・・基部
2c・・・凹部
2d・・・金属基板
2e・・・フレキシブル基板
2f・・・第2の凹部
3・・・・電極パッド
3a・・・第1電極パッド
3b・・・第2電極パッド
3c・・・第3電極パッド
3d・・・第4電極パッド
3e・・・補助電極パッド
4・・・・実装領域
4a・・・第1実装領域
4b・・・第2実装領域
5・・・・第2の基体
9・・・・外部回路接続用パッド
10・・・撮像素子
10a・・第1撮像素子
10b・・第2撮像素子
11・・・電子部品
12・・・蓋体
13・・・第1接合材
14・・・第2接合材
15・・・第3接合材
19・・・レンズ鏡筒
19a・・第1レンズ鏡筒
19b・・第2レンズ鏡筒
21・・・撮像装置
31・・・撮像モジュール
Claims (10)
- 上面および該上面に開口した第1の凹部を有し、
前記上面に位置し、第1撮像素子が実装される第1実装領域と、前記第1の凹部の底面に位置し、第2撮像素子が実装される第2実装領域と、上面視で前記第1実装領域と前記第2実装領域との間に位置する第1部と、を有する基体と、
前記上面に位置し、それぞれ第1撮像素子に繋がる第1電極パッドおよび第2電極パッドと、
前記第1の凹部の周囲に位置し、それぞれ第2撮像素子に繋がる第3電極パッドおよび第4電極パッドと、を備え、
前記第1部は、前記基体の下面からの距離が、前記下面から前記第1実装領域までの距離と同等の部分を有することを特徴とする、撮像素子実装用基体。 - 前記基体は、複数の層を含んでおり、前記基体の最下層は金属基板であることを特徴とする請求項1に記載の撮像素子実装用基体。
- 前記基体の前記第1の凹部の端部の角部が丸いことを特徴とする請求項1または請求項2に記載の撮像素子実装用基体。
- 前記基体は複数の層を含んでおり、前記基体の前記第1の凹部の端部は、上面から1層目が、2層目よりも前記第1の凹部の内側に張り出していることを特徴とする請求項1〜3のいずれか1つに記載の撮像素子実装用基体。
- 前記第1の凹部は、側壁が上端から下端にかけて傾斜していることを特徴とする請求項1〜4のいずれか1つに記載の撮像素子実装用基体。
- 前記基体は、前記基体の上面に第3の凹部を更に有するとともに、前記第1の凹部は、前記第3の凹部の底面に位置しており、
前記第1電極パッドおよび前記第2電極パッドは、前記基体の上面に位置し、前記第3電極パッドおよび前記第4電極パッドは、前記第3の凹部の底面に位置することを特徴とする請求項1〜5のいずれか1つに記載の撮像素子実装用基体。 - 前記基体は、前記第1実装領域と重なる位置に第2の凹部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つに記載の撮像素子実装用基体。
- 前記第2の凹部の底面には、電子部品が実装されることを特徴とする請求項7に記載の撮像素子実装用基体。
- 請求項1〜8のいずれか1つに記載の撮像素子実装用基体と、
前記撮像素子実装用基体の前記第1実装領域に実装された第1撮像素子と、
前記撮像素子実装用基体の前記第2実装領域に実装された第2撮像素子と、を備えたことを特徴とする撮像装置。 - 請求項9に記載の撮像装置と、
前記撮像装置の上面に接合された、前記第1実装領域を取り囲む第1レンズ鏡筒と、
前記撮像装置の上面に接合された、前記第2実装領域を取り囲む第2レンズ鏡筒と、を備えたことを特徴とする撮像モジュール。
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