JP2006113437A - マイクロミラーデバイス - Google Patents
マイクロミラーデバイス Download PDFInfo
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- JP2006113437A JP2006113437A JP2004302639A JP2004302639A JP2006113437A JP 2006113437 A JP2006113437 A JP 2006113437A JP 2004302639 A JP2004302639 A JP 2004302639A JP 2004302639 A JP2004302639 A JP 2004302639A JP 2006113437 A JP2006113437 A JP 2006113437A
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Abstract
【解決手段】マイクロミラーと、複数の圧電素子が配列された圧電アクチュエータアレイと、を具備するマイクロミラーデバイスの提供による。このマイクロミラーデバイスは、マイクロミラーと圧電アクチュエータアレイとの間に弾性部材が備わっており、圧電アクチュエータアレイを構成する圧電素子の伸縮変位が、弾性部材を介して、マイクロミラーの2軸方向への回転変位に変換されるところに特徴がある。
【選択図】なし
Description
Claims (3)
- マイクロミラーと、そのマイクロミラーの鏡面の法線方向に伸縮変位を発現する複数の圧電素子が配列された圧電アクチュエータアレイと、を具備し、前記圧電アクチュエータアレイが前記マイクロミラーの裏面に配設されるマイクロミラーデバイスであって、
前記マイクロミラーと前記圧電アクチュエータアレイとの間に、前記圧電アクチュエータアレイを構成する複数の圧電素子の頂部の連結をする弾性部材が備わり、
前記マイクロミラーと前記弾性部材とが、前記弾性部材の前記連結をする部分に設けられた狭小支持部を介して接続されてなり、
前記圧電アクチュエータアレイを構成する圧電素子の前記伸縮変位が、前記弾性部材を介して、前記マイクロミラーの2軸方向への回転変位に変換されるマイクロミラーデバイス。 - 前記圧電アクチュエータアレイは、前記複数の圧電素子が、柱体形状を呈し、セラミック基体の一の面にマトリクス状に配列され、前記セラミック基体と焼成一体化して形成されており、圧電横効果による変位を生じる素子であり、
前記弾性部材は、格子状パターンを呈するシート状の部材である請求項1に記載のマイクロミラーデバイス。 - 前記圧電アクチュエータアレイを構成する複数の圧電素子の頂部の連結をする弾性部材が、個々の圧電素子の頂部近傍部分に比較して、前記連結にかかる複数の圧電素子の間の中央近傍部分の強度が小さく、前記狭小支持部が、その弾性部材の前記中央近傍部分に設けられる請求項1又は2に記載のマイクロミラーデバイス。
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JP2004302639A JP4335114B2 (ja) | 2004-10-18 | 2004-10-18 | マイクロミラーデバイス |
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JP2004302639A JP4335114B2 (ja) | 2004-10-18 | 2004-10-18 | マイクロミラーデバイス |
Publications (2)
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JP2006113437A true JP2006113437A (ja) | 2006-04-27 |
JP4335114B2 JP4335114B2 (ja) | 2009-09-30 |
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JP2004302639A Expired - Fee Related JP4335114B2 (ja) | 2004-10-18 | 2004-10-18 | マイクロミラーデバイス |
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