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    • 7. 发明申请
    • MONOMORPH THIN FILM ACTUATED MIRROR ARRAY
    • 单色薄膜激活反射镜阵​​列
    • WO1996033437A1
    • 1996-10-24
    • PCT/US1996001888
    • 1996-02-13
    • AURA SYSTEMS, INC.
    • AURA SYSTEMS, INC.UM, Gregory
    • G02B26/00
    • B81B3/004B81B2201/042G02B26/0858
    • A thin film actuated mirror is disclosed having a substrate (16), a deformable structure (12) mounted to the substrate (16), and a mirror surface (17) interconnected to the deformable structure such that the mirror surface tilts in response to the deformation of the deformable material layer. The deformation occurs due to the effective strain gradient across the monomorph thickness which is accomplished by varying the electric field across the thickness or the strain parameter across the thickness. The deformable structure (12) includes an active material layer (18) fabricated from a semi-conductive ferroelectric ceramic material and two metal electrodes, each of the electrodes being mounted on opposing surfaces of the active material layer (18), wherein an electrical signal applied across the active material layer (18) between the electrodes causes deformation of the active material layer (18). Alternatively, the active material layer (18) may be fabricated from two layers, an upper layer (36) of an active piezoelectric material and a lower layer (38) of an inactive material.
    • 公开了一种薄膜致动反射镜,其具有基板(16),安装到基板(16)的可变形结构(12)和与可变形结构互连的反射镜表面(17),使得反射镜表面响应于 可变形材料层的变形。 由于通过改变厚度上的电场或整个厚度上的应变参数而实现的单态厚度的有效应变梯度,发生变形。 可变形结构(12)包括由半导体铁电陶瓷材料制成的活性材料层(18)和两个金属电极,每个电极安装在活性材料层(18)的相对表面上,其中电信号 施加在电极之间的活性物质层(18)之间引起活性物质层(18)的变形。 或者,活性物质层(18)可以由两层制成,即活性压电材料的上层(36)和非活性材料的下层(38)。
    • 8. 发明申请
    • THIN FILM ACTUATED MIRROR ARRAY FOR PROVIDING DOUBLE TILT ANGLE
    • 薄膜激光反射镜阵列,提供双斜角
    • WO1996033434A1
    • 1996-10-24
    • PCT/US1996001892
    • 1996-02-13
    • AURA SYSTEMS, INC.
    • AURA SYSTEMS, INC.UM, Gregory
    • G02B07/182
    • B81B3/004B81B2201/042G02B26/0858Y10S359/904
    • A thin film actuated mirror for an actuated mirror array includes a pedestal (14), a piezoelectric structure (12) mounted to the pedestal (14), and a mirror surface (32) interconnected to the piezoelectric structure (12) such that the mirror surface (32) tilts in response to the deformation of the piezoelectric material layer (18). The pedestal (14) includes a first pedestal section (38) and a second pedestal section (40), and the piezoelectric structure (12) is divided into a first portion (42) and a second portion (44). The piezoelectric structure (12) includes a piezoelectric material layer (18) having two opposing surfaces, and two metal electrodes, the electrodes being mounted on opposing surfaces of the piezoelectric material. The piezoelectric structure first portion (42) is mounted to the first pedestal section (38) at a proximal end (28) of the piezoelectric structure (12) and the second portion (44) is mounted to the second pedestal section (40) at a distal end (30) of the piezoelectric structure (12).
    • 用于致动反射镜阵列的薄膜致动反射镜包括基座(14),安装到基座(14)的压电结构(12)和与压电结构(12)互连的镜面(32),使得反射镜 表面(32)响应于压电材料层(18)的变形而倾斜。 基座(14)包括第一基座部分(38)和第二基座部分(40),压电结构(12)被分成第一部分(42)和第二部分(44)。 压电结构(12)包括具有两个相对表面的压电材料层(18)和两个金属电极,电极安装在压电材料的相对表面上。 压电结构第一部分(42)在压电结构(12)的近端(28)处安装到第一基座部分(38),并且第二部分(44)安装到第二基座部分(40) 压电结构(12)的远端(30)。