JPWO2017199861A1 - 超音波振動子モジュール、超音波内視鏡および超音波振動子モジュールの製造方法 - Google Patents
超音波振動子モジュール、超音波内視鏡および超音波振動子モジュールの製造方法 Download PDFInfo
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Abstract
Description
図1は、本発明の実施の形態1に係る内視鏡システムを模式的に示す図である。内視鏡システム1は、超音波内視鏡を用いて人等の被検体内の超音波診断を行うシステムである。この内視鏡システム1は、図1に示すように、超音波内視鏡2と、超音波観測装置3と、内視鏡観察装置4と、表示装置5と、光源装置6とを備える。
S1 = ((W1−d1)/2+T1)×L1×4
+{(W1−d1)/2}×T1×2
で表される。
S100 = (W100+T100)×L100×2+W100×T100
で表される。
図6は、本発明の実施の形態1の変形例1に係る超音波振動子モジュールにおける要部の構成を示す模式図であって、配線材の構成を説明する模式図である。図6に示す配線材101Aは、当該配線材101Aの側面から切り欠かれてなる複数の凹部104を有する。各凹部104は、配線材101Aの延伸方向に対して平行または垂直な方向に延びている。本変形例1においても、従来と比して、接合部102による接合面積を大きくすることができる。
図7は、本発明の実施の形態1の変形例2に係る超音波振動子モジュールにおける要部の構成を示す模式図であって、配線材の構成を説明する模式図である。図7に示す配線材101Bは、当該配線材101Bの側面から切り欠かれてなる複数の凹部105を有する。各凹部105は、配線材101Bの延伸方向に対して平行な方向に延びているか、または、延伸方向と直交する方向に対して傾斜した方向に延びている。本変形例2においても、従来と比して、接合部102による接合面積を大きくすることができる。
図8は、本発明の実施の形態1の変形例3に係る超音波振動子モジュールにおける要部の構成を示す模式図であって、配線材の構成を説明する模式図である。図8に示す配線材101Cは、当該配線材101Cの対向する主面のうち一方の主面から他方の主面に貫通する孔形状をなす凹部106を有する。本変形例3においても、凹部106の内周面分表面積が増大するため、従来と比して、接合部102による接合面積を大きくすることができる。
図9は、本発明の実施の形態2に係る超音波振動子モジュールにおける要部の構成を示す模式図であって、配線材の構成を説明する模式図である。上述した実施の形態1では、配線材101が圧電素子71のマッチング層を通過する領域R1の内部に位置しているものとして説明したが、本実施の形態2では、配線材101Dが、圧電素子71、第1音響整合層72および第2音響整合層73の積層方向に延びる領域R2であって、圧電素子71からの超音波が通過しにくいグラウンド用電極72aにより形成されるデマッチング層に応じた領域、かつ圧電素子71を含まない領域R2に配置されている。
2 超音波内視鏡
3 超音波観測装置
4 内視鏡観察装置
5 表示装置
6 光源装置
7 超音波振動子
21 挿入部
22 操作部
23 ユニバーサルコード
24 コネクタ
31 超音波ケーブル
41 ビデオケーブル
61 光ファイバケーブル
71 圧電素子
72 第1音響整合層
73 第2音響整合層
74 バッキング材
75 音響レンズ
100 中継基板
100I 絶縁部材
101,101A〜101D 配線材
102 接合部
103〜106 凹部
211 先端部
212 湾曲部
213 可撓管部
214 超音波振動子モジュール
214a ハウジング
214b 収容穴
215 内視鏡モジュール
221 湾曲ノブ
222 操作部材
223 処置具挿入口
Claims (8)
- 長手方向を揃えて配列されてなる複数の圧電素子と、
前記圧電素子の表面に形成されている電極と、
前記電極と接合する接合部分に形成されている凹部を有する配線材と、
を備えたことを特徴とする超音波振動子モジュール。 - 前記凹部は、前記配線材の一端から切り欠かれてなる溝形状をなしており、
前記凹部の溝幅は、前記配線材の厚さよりも小さい
ことを特徴とする請求項1に記載の超音波振動子モジュール。 - 前記電極と前記配線材とを接合する接合部をさらに備え、
前記接合部は、ニッケルまたは銅を主成分とする金属を用いて形成された電解めっき層である
ことを特徴とする請求項1に記載の超音波振動子モジュール。 - 前記圧電素子における前記接合部分が形成されている側と反対側の面には、デマッチング層が設けられている
ことを特徴とする請求項1に記載の超音波振動子モジュール。 - 前記複数の圧電素子は、曲面に沿って配列されている
ことを特徴とする請求項1に記載の超音波振動子モジュール。 - 請求項1に記載の超音波振動子モジュールを先端に有し、被検体内に挿入される挿入部、
を備えたことを特徴とする超音波内視鏡。 - 長手方向を揃えて配列されてなる複数の圧電素子の表面に形成されている電極と、該電極と接合する接合部分に形成されている凹部を有する配線材と、を接合する接合ステップ、
を含むことを特徴とする超音波振動子モジュールの製造方法。 - 前記接合ステップは、前記電極と前記配線材とを、電解めっき法または溶融半田法により接合する
ことを特徴とする請求項7に記載の超音波振動子モジュールの製造方法。
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CN112680752B (zh) * | 2021-03-11 | 2021-08-20 | 卓外(上海)医疗电子科技有限公司 | 一种适用于内窥镜结构的化学强化接合方法 |
Citations (4)
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JPH06177533A (ja) * | 1992-12-10 | 1994-06-24 | Sharp Corp | 複合プリント基板の接合方法 |
JPH10223822A (ja) * | 1997-02-03 | 1998-08-21 | Matsushita Electric Works Ltd | 半導体装置 |
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EP3459465A1 (en) | 2019-03-27 |
WO2017199861A1 (ja) | 2017-11-23 |
CN109475348A (zh) | 2019-03-15 |
US11160530B2 (en) | 2021-11-02 |
EP3459465A4 (en) | 2020-01-15 |
JP6648267B2 (ja) | 2020-02-14 |
US20190117188A1 (en) | 2019-04-25 |
CN109475348B (zh) | 2022-04-19 |
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