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    • 3. 发明授权
    • Micro machined optical switch
    • 微加工光开关
    • US5923798A
    • 1999-07-13
    • US856569
    • 1997-05-15
    • Vladimir A. AksyukDavid J. BishopPeter L. Gammel
    • Vladimir A. AksyukDavid J. BishopPeter L. Gammel
    • G02B26/08G02B6/35G02B6/26
    • G02B6/357G02B6/3514G02B6/353G02B6/3548G02B6/3552G02B6/3594
    • Optical switches utilizing electrostatically-driven actuators formed from micro machined plates are disclosed. Under an applied voltage, a movable plate moves toward a fixed plate or a conductive region of an underlying support. The switches further include a mechanical linkage from the actuator to an optical device. The displacement of the movable plate generated at the actuator is transferred, via the mechanical linkage, to the optical device. The optical device, which is positioned in close proximity to optically-aligned spaced optical fibers, is movable into and out of an optical path defined by the optical cores of the optical fibers by the action of the actuator. An "in-plane" optical switch includes an actuator having two vertically-oriented electrodes, which generates a substantially horizontally-directed displacement of the movable plate and the linked optical device. An "out-of-plane" optical switch includes an actuator having at least one horizontally-disposed suspended above a conductive region of an underlying support. The actuator generates a substantially vertically-directed displacement of the movable plate and the linked optical device.
    • 公开了利用由微加工板形成的静电致动致动器的光开关。 在施加的电压下,可移动板朝向下方支撑件的固定板或导电区移动。 开关还包括从致动器到光学装置的机械连杆。 在致动器处产生的可动板的位移通过机械连杆传递到光学装置。 位于靠近光学对准间隔开的光纤的光学装置可通过致动器的动作进入和离开由光纤的光纤芯限定的光路。 “平面内”光开关包括具有两个垂直取向的电极的致动器,其产生可移动板和连接的光学装置的大致水平定向的位移。 “平面外”光开关包括具有至少一个水平放置的致动器,该至少一个悬挂在下面的支撑件的导电区域的上方。 致动器产生可移动板和连接的光学装置的基本垂直定向的位移。
    • 5. 发明授权
    • Micro-opto-electromechanical devices and method therefor
    • 微光机电装置及其方法
    • US5995688A
    • 1999-11-30
    • US88182
    • 1998-06-01
    • Vladimir A. AksyukBradley P. BarberDavid J. BishopPeter L. GammelC. Randy Giles
    • Vladimir A. AksyukBradley P. BarberDavid J. BishopPeter L. GammelC. Randy Giles
    • G02B26/02G02B6/12G02B6/35G02B6/36G02B6/42
    • G02B6/353G02B6/3552G02B6/3566G02B6/3572G02B6/423G02B6/4232
    • A micro-opto-electromechanical systems (MOEMS) device comprises a micro-electromechanical systems (MEMS) device and a silicon optical-bench (SiOB) device or system. The MEMS device interacts with the SiOB mechanically or electromagnetically. In one embodiment, the MEMS device is operable to provide a switching function for the SiOB device. The MEMS device comprises an actuator that is mechanically linked to an optical interruptor that prevents at least a portion of an optical signal incident thereon from propagating therethrough. In an actuated state, the actuator causes the optical interrupter to move into an optical path of an optical signal traveling through an SiOB device. The signal is at least partially reflected or absorbed such that only a portion of the signal propagates beyond the point of contact with the optical interrupter. Since SiOB processing is typically incompatible with MEMS device processing, the MEMS and SiOB devices are formed on separate supports and then attached, such as via flip-chip bonding methods.
    • 微光机电系统(MOEMS)装置包括微机电系统(MEMS)装置和硅光学台(SiOB)装置或系统。 MEMS器件机械地或电磁地与SiOB相互作用。 在一个实施例中,MEMS器件可操作以提供用于SiOB器件的切换功能。 MEMS器件包括机械地连接到光学断路器的致动器,其防止入射到其上的光信号的至少一部分传播通过其中。 在致动状态下,致动器使光断续器移动到穿过SiOB器件的光信号的光路中。 信号至少部分地被反射或吸收,使得只有一部分信号传播超过与光学断续器的接触点。 由于SiOB处理通常与MEMS器件处理不兼容,所以MEMS和SiOB器件形成在单独的支撑件上,然后被连接,例如通过倒装芯片接合方法。
    • 6. 发明授权
    • Micromechanical xyz stage for use with optical elements
    • 用于光学元件的微机械xyz平台
    • US5963367A
    • 1999-10-05
    • US935971
    • 1997-09-23
    • Vladimir A. AksyukDavid J. BishopPeter L. Gammel
    • Vladimir A. AksyukDavid J. BishopPeter L. Gammel
    • G12B5/00G01N37/00G01Q10/04G01Q60/18G02B21/26H02N1/00
    • G01Q10/04B82Y35/00H02N1/008H01H2001/0068Y10S977/872
    • A micromachined xyz stage, and microscopes utilizing such a stage, are disclosed. The xyz stage includes co-planar x- and y-drive means linked to a sample stage. Such x- and y- drive means are operable to position the sample stage in an x-y plane. The xyz stage further includes z-drive operable to moves the sample stage out of the x-y plane. The z-drive can be implemented by suspending a flat-plate electrode over the sample stage using hinged plate supports. As a voltage is applied across the plate electrode and the sample stage, an electrostatic force is generated, causing the sample stage to move towards the plate electrode. The hinged plate supports facilitate assembly of the z-drive, in addition to providing support for it in its assembled configuration. By incorporating an optical fiber, the aperture of which has be drawn down to submicron size, a near-field scanning optical microscope can be formed. By forming a micromachined tip on the xyz stage, a scanning tunneling microscope or an atomic force microscope can be formed.
    • 公开了一种微加工xyz级和利用这种级的显微镜。 xyz级包括连接到样品台的共平面x和y驱动装置。 这种x和y驱动装置可操作以将样品台定位在x-y平面中。 xyz平台还包括可操作以将样品台移出x-y平面的z驱动。 z驱动可以通过使用铰接板支撑件将平板电极悬挂在样品台上来实现。 当跨越平板电极和样品台施加电压时,产生静电力,使得样品台朝着平板电极移动。 除了为其组装的构造提供支撑之外,铰链板支撑有助于z驱动装置的组装。 通过并入其孔径被拉伸至亚微米尺寸的光纤,可以形成近场扫描光学显微镜。 通过在xyz平台上形成微加工尖端,可以形成扫描隧道显微镜或原子力显微镜。
    • 7. 发明授权
    • Article comprising a multi-port variable capacitor
    • 文章包括一个多端口可变电容器
    • US06242989B1
    • 2001-06-05
    • US09152185
    • 1998-09-12
    • Bradley Paul BarberDavid J. BishopPeter L. GammelMatthew A. Marcus
    • Bradley Paul BarberDavid J. BishopPeter L. GammelMatthew A. Marcus
    • H03B101
    • H01G5/16
    • An article comprising a multi-port variable capacitor is disclosed. In one embodiment, a movable plate is suspended above at least a first and a second, fixed, electrically-isolated electrode. The first electrode is electrically connected to a bias supply, and the second electrode is electrically connected to an AC signal-carrying line. As bias is applied across the first electrode and the movable plate, an electrostatic attraction is developed therebetween that causes the movable plate to move downwardly towards the first electrode. The capacitance of the variable capacitor increases as the separation distance between the movable plate and the fixed electrodes decreases. Unlike conventional variable capacitors, in the present multi-port variable capacitors, the bias (delivered via the first electrode) and the signal (delivered via the second electrode) are electrically isolated from one another. As such, the bias (DC) and signal (AC) paths are advantageously electrically isolated. In an additional embodiment, the movable plate of the present variable capacitor is operable to tilt. The ability to tilt provides additional “signal processing” (i.e., logic) capabilities to the present multi-port variable capacitors. In additional embodiments, an article in accordance with the present teachings comprises a monolithically-integrable, tunable LC circuit, and a variable-frequency oscillator. In such LC circuits and oscillators, the multi-port variable capacitor described herein is used to tune the resonant frequency of the circuit.
    • 公开了一种包括多端口可变电容器的物品。 在一个实施例中,可移动板悬挂在至少第一和第二固定的电隔离电极上方。 第一电极电连接到偏置电源,并且第二电极电连接到AC信号传输线。 当跨越第一电极和可移动​​板施加偏压时,在其间形成静电吸引力,使得可动板朝向第一电极向下移动。 可变电容器的电容随着可动板和固定电极之间的间隔距离的减小而增加。 与传统的可变电容器不同,在本多端口可变电容器中,通过第一电极传送的偏压和信号(经由第二电极传送)彼此电隔离。 因此,偏置(DC)和信号(AC)路径有利地电隔离。 在另外的实施例中,本可变电容器的可移动板可操作以倾斜。 倾斜的能力为当前的多端口可变电容器提供额外的“信号处理”(即逻辑)能力。 在另外的实施例中,根据本教导的制品包括单片可积分的可调谐LC电路和可变频率振荡器。 在这种LC电路和振荡器中,这里描述的多端口可变电容器用于调谐电路的谐振频率。
    • 10. 发明授权
    • Tuning mechanical resonators for electrical filter
    • 调谐电机滤波器的机械谐振器
    • US06307447B1
    • 2001-10-23
    • US09432040
    • 1999-11-01
    • Bradley Paul BarberYiu-Huen WongPeter L. Gammel
    • Bradley Paul BarberYiu-Huen WongPeter L. Gammel
    • H03H954
    • H03H9/564H03H3/04H03H2003/0428H03H2003/0435Y10T29/42
    • The present invention is a method for adjusting different resonant frequencies of a plurality of mechanical resonators formed on a common substrate, in a case where the resonant frequencies of the resonators are a function of each resonator thickness. According to this method the resonators are each formed with an etchable top electrode layer which includes a material having different etching properties as a topmost layer for each of the resonators having different resonant frequencies. By selectively etching these etchable layers one at a time in the presence of the others, one may adjust the resonant frequencies of each of the resonators without need to mask the resonators during the etching process. Associated with this method there is a resonator structure having a top electrode structure having a topmost layer having different etching characteristics for different resonators.
    • 本发明是在谐振器的谐振频率为每个谐振器厚度的函数的情况下,调整形成在公共基板上的多个机械谐振器的不同谐振频率的方法。 根据该方法,谐振器各自形成有可蚀刻的顶部电极层,其包括具有不同蚀刻性质的材料作为具有不同谐振频率的每个谐振器的最顶层。 通过在其他存在的情况下一次一个地选择性地蚀刻这些可蚀刻层,可以调整每个谐振器的谐振频率,而不需要在蚀刻过程期间掩蔽谐振器。 与该方法相关联的是具有顶部电极结构的谐振器结构,其具有不同谐振器的具有不同蚀刻特性的最顶层。